24th week of 2011 patent applcation highlights part 37 |
Patent application number | Title | Published |
20110142116 | METHOD AND APPARATUS FOR ESTIMATING CHANNEL PARAMETER - A method and apparatus for estimating a channel parameter in a multi-antenna system is provided. The method of estimating a channel parameter includes selecting at least a part of received data as an effective segment based on power of the received data, and estimating a channel parameter by applying a channel estimation algorithm to received data within the selected effective segment. Accordingly, it is possible to reduce the amount of calculation by removing noise signals from received data and measuring channels using signals within an effective signal segment when the channel parameters are estimated. | 2011-06-16 |
20110142117 | SIGNAL DETECTING METHOD AND DEVICE FOR MULTI-CODEWORD MIMO SYSTEM - A signal detecting method and device for a multi-codeword multi-input multi-output (MIMO) system are provided, which are used in the field of communication and solve the problem that it is complex to implement a signal detecting method in the multi-codeword MIMO system and the error between the signal obtained through detection and the signal actually transmitted from the transmitting end is large. The method includes: converting a received complex number signal into a real number signal; performing channel estimation to obtain a channel matrix; correcting the channel matrix to obtain an equivalent corrected matrix; generating an equivalent detecting signal according to the equivalent corrected matrix and the real number signal obtained through conversion; quantizing the equivalent detecting signal to obtain an equivalent quantized detecting signal; and generating a signal transmitted from a transmitting end according to the equivalent quantized detecting signal. The method and device can be applied in a receiving device of a multi-codeword MIMO system. | 2011-06-16 |
20110142118 | APPARATUS AND METHOD FOR EQUALIZING CHANNEL BASED ON CHANNEL ESTIMATION - Provided is a channel equalizing apparatus and method for improving channel equalization performance in an Orthogonal Frequency Division Multiplexing (OFDM) reception system applied to digital broadcasting or a communication system. The apparatus, includes: a channel estimating unit for performing channel estimation by using a pilot signal of a frequency domain; a digital filtering unit for changing a characteristic of a channel in a time domain based on an estimated channel estimation result; and a channel equalizing unit for performing channel equalization of a frequency domain on the signal after changing the channel characteristic. | 2011-06-16 |
20110142119 | Receiver circuit - A receiver circuit includes an equalizer circuit that adjusts reception intensity of an input signal based on an intensity adjustment value to generate a correction input signal; a first holding unit that holds a plurality of data items sampled based on a sampling clock for sampling values of the data items transmitted by the correction input signal in a receiving order; a second holding unit that holds a plurality of values of the correction input signal sampled based on a complementary sampling clock for sampling a boundary value of the data items in a receiving order; and an equalizer control circuit that judges the strength of reception intensity of the correction input signal based on a plurality of output signals of the first holding unit and a plurality of output signals of the second holding unit to update the intensity adjustment value based on the judgment result. | 2011-06-16 |
20110142120 | FLOATING-TAP DECISION FEEDBACK EQUALIZER FOR COMMUNICATION CHANNELS WITH SEVERE REFLECTION - An apparatus including a first circuit and a second circuit. The first circuit may be configured to determine values for a predefined metric for a plurality of tap positions within a range covered by a decision feedback equalizer (DFE). The values for a number of taps may be determined in parallel. The second circuit may be configured to set one or more floating taps of the DFE to tap positions based upon the values of the predefined metric. The floating taps in the decision feedback equalizer may be selected adaptively. | 2011-06-16 |
20110142121 | REUSABLE AND EXTENSIBLE FRAMEWORK FOR MULTIMEDIA APPLICATION DEVELOPMENT - Systems and methods of developing and/or implementing multimedia applications. The system provides an extensible framework including an application layer, a framework utility layer, and a core engine layer. The framework utility layer includes an application programming interface, a video codec sub-framework (XCF), a video packetization sub-framework (XPF), and a video/text overlay sub-framework (XOF). The core engine layer includes one or more core codec engines and one or more core rendering engines. The XCF, XPF, and XOF sub-frameworks are effectively decoupled from the multimedia applications executing on the application layer, and the core codec and rendering engines of the core engine layer, allowing the XCF, XPF, and XOF sub-frameworks and core codec/rendering engines to be independently extensible. The system also fosters enhanced reuse of existing multimedia applications across a plurality of multimedia systems. | 2011-06-16 |
20110142122 | METHOD AND APPARATUS FOR TRANSMITTING VIDEO CONTENTS COMPRESSED BY CODEC - A method and apparatus for transmitting compressed video content are provided. The method includes transmitting a codec selection request frame, the codec selection request frame including an identifier of one or more codecs to be used to compress video content and requesting approval of the use of the codec, receiving a codec selection response frame, the codec selection response frame including result information indicating whether the use of the codec is approved, and transmitting video content frames for the video content compressed by the approved codec based on the codec selection response frame. Each video content frame includes frame type information indicating a type of compression applied to the video content included in the video content frame. | 2011-06-16 |
20110142123 | PICTURE CODING METHOD, PICTURE DECODING METHOD, PICTURE CODING APPARATUS, PICTURE DECODING APPARATUS, AND PROGRAM THEREOF - A picture coding method of the present invention codes a picture signal and a ratio of a number of luminance pixels and a number of chrominance pixels for the picture signal, and then one coding method out of at least two coding methods is selected depending on the ratio. Next, data related to a picture size is coded in accordance with the selected coding method. The data related to the picture size indicates a size of the picture corresponding to the picture signal or an output area, which is a pixel area to be outputted in decoding in a whole pixel area coded in the picture signal coding. | 2011-06-16 |
20110142124 | PERCEPTUAL-BASED VIDEO CODING METHOD - A perceptual-based video coding method provides a perceptual-based rate-distortion (R-D) curve as a predictive R-D curve. The Lagrange multiplier for a current frame is then determined by deciding a slope, with sign reversed, of a tangent to the predictive R-D curve at a current point that is on the predictive R-D curve and closest to a previous R-D point of a previous encoded frame. The current frame is then encoded according to the determined Lagrange multiplier. | 2011-06-16 |
20110142125 | GOP-INDEPENDENT DYNAMIC BIT-RATE CONTROLLER - A GOP-independent dynamic bit-rate controller system includes a user interface to receive one or more input parameters, a bit-rate controller and an encoder. The bit-rate controller regulates a bit-rate of an output bit-stream. The bit-rate controller includes multiple bit-rate modules to determine a bit-estimate and a quantization parameter, and a control module to calculate a convergence period based on the received input parameters and a frame rate. The control module selects a bit rate module based on the convergence period and the encoder generates the output bit-stream using the quantization parameter determined by the bit rate module. | 2011-06-16 |
20110142126 | LOW BIT RATE CODEC - The present invention relates to improvements of predictive encoding/decoding operations performed on a signal which is transmitted over a packet switched network. The signal is encoded on a block by block basis in such way that a block A-B is predictive encoded independently of any preceding blocks. A start state | 2011-06-16 |
20110142127 | Image Processing Device - Disclosed is an image processing technique which more suitably reduces flicker noise. An image display device is comprised of an input unit which inputs encoded image data containing images encoded by intraframe prediction and interframe prediction, an image decoder which decodes the encoded image data, a filter unit which filters the decoded images output from the image decoder, and a display unit which displays the image after filtering. The filter unit performs at least a process to correct the pixel values in a decoded image decoded by interframe prediction immediately preceding in time a decoded image decoded by intraframe prediction of the decoded images output from the image decoder. | 2011-06-16 |
20110142128 | METHOD AND APPARATUS INTERLEAVING PIXEL OF REFERENCE IMAGE WITHIN SINGLE BANK OF FRAME MEMORY, AND VIDEO CODEC SYSTEM HAVING THE SAME - A method and apparatus for interleaving pixels of a reference frame within a single bank of a frame memory in a video codec, and a video codec system including the same are provided. The method for interleaving pixels of a reference image within a single bank of a frame memory includes: interleaving pixel data of a reference image as a filter output of a restoration image required for video processing by column of a macro block; and storing the interleaved pixel data within a single bank of a frame memory by page. | 2011-06-16 |
20110142129 | MPEG VIDEO RESOLUTION REDUCTION SYSTEM - An MPEG video resolution reduction system includes an MPEG decoder, a down-sampler, and a partial MPEG re-encoder. The MPEG decoder decodes an input resolution MPEG stream to an input resolution baseband, and determines coding information from decoding the input resolution MPEG stream. The down-sampler down-samples the input resolution baseband to a reduced resolution baseband. The partial MPEG re-encoder uses the coding information to encode the reduced resolution baseband to a reduced resolution MPEG stream. | 2011-06-16 |
20110142130 | PICTURE DECODER - A picture decoder having a stream buffer, an H.264/AVC decoder, and a processor is provided. The stream buffer stores stream data. The H.264/AVC decoder decodes the stream data and performs an operation on a slice layer specified in the H.264/AVC standard to reorder reference pictures recorded in a reference picture list according to the stream data and generate a plurality of decoded pictures. The processor executes a program to perform an operation on a sequence layer specified in the H.264/AVC standard and mark the decoded pictures. | 2011-06-16 |
20110142131 | CAPTURE, EDITING AND ENCODING OF MOTION PICTURES ENCODED WITH REPEATING FIELDS OR FRAMES - An image sequence captured at a first image rate is encoded as an encoded image sequence at a second image rate with information in the encoded image sequence indicative of images that are repeated when decoded. To assist in editing a video program using the encoded image sequence, the information in the encoded image sequence indicative of repeated images may be cleared and image index information for the encoded image sequence generated to map a temporal position of an image in a decoded image sequence to a position of corresponding data in the encoded image sequence. Temporal positions used with the image index information correspond to the first image rate. Editing video involves defining a sequence of clips that reference source encoded image sequences using edit points. Each clip has a start and end point in its corresponding source and a position in the edited video program. The temporal resolution of these edit points corresponds to the first image rate. An edited video program may be output as an encoded image sequence, using the source encoded image sequences referenced by the sequence of clips. The encoded image sequence is constructed according to the edited sequence of clips, using the source encoded image sequences. | 2011-06-16 |
20110142132 | Overlapped Block Disparity Estimation and Compensation Architecture - Overlapped block disparity estimation and compensation is described. Compensating for images with overlapped block disparity compensation (OBDC) involves determining if OBDC is enabled in a video bit stream, and determining if OBDC is enabled for one or more macroblocks that neighbor a first macroblock within the video bit stream. The neighboring macroblocks may be transform coded. If OBDC is enabled in the video bit stream and for the one or more neighboring macroblocks, predictions may be made for a region of the first macroblock that has an edge adjacent with the neighboring macroblocks. OBDC can be causally applied. Disparity compensation parameters or modes may be shared amongst views or layers. A variety of predictions may be used with causally-applied OBDC. | 2011-06-16 |
20110142133 | VIDEO ENCODING METHOD AND VIDEO DECODING METHOD - Provided is a video encoding/decoding technique for improving the compression efficiency by reducing the motion vector code amount. In a video decoding process, the prediction vector calculation method is switched from one to another in accordance with a difference between predetermined motion vectors among a plurality of motion vectors of a peripheral block of a block to be decoded and already decoded. The calculated prediction vector is added to a difference vector decoded from an encoded stream so as to calculate a motion vector. By using the calculated motion vector, the inter-image prediction process is executed. | 2011-06-16 |
20110142134 | IMAGE CODING METHOD AND IMAGE CODING APPARATUS - A method of coding an original image, including: partitioning (S | 2011-06-16 |
20110142135 | Adaptive Use of Quarter-Pel Motion Compensation - A method of encoding a digital video sequence is provided that includes disabling quarter-pel motion compensation for a first sequence of blocks in the digital video sequence, computing an average half-pel cost for the first sequence of blocks, computing an average quarter-pel cost for the first sequence of blocks, and enabling quarter-pel motion compensation for a second sequence of blocks in the digital video sequence based on a comparison of the average half-pel cost and the average quarter-pel cost. | 2011-06-16 |
20110142136 | METHOD AND APPARATUS FOR IMPROVING VIDEO QUALITY - The present invention relates to method and apparatus for improving video quality. The present invention provides a unified loop filter including: a pixel determining unit which determines the type of a pixel based on boundary strength; a similarity transforming unit which transforms a nonlinear filter into a nonlinear similarity-ordered statistics filter; and an integrating unit which integrates the nonlinear similarity-ordered statistics filter with a linear image filtering portion. The unified loop filter is applicable to filter reconstructed frames when an encoder or a decoder is processing a video signal. | 2011-06-16 |
20110142137 | VIDEO PROCESSING - A video stream comprising a plurality of sequential frames of pixels is processed. For each pixel in a frame, a pixel data stream comprising the color components of the specific pixel is extracted from each frame with a processor. For each pixel data stream, a transformation of the pixel data stream into a plurality of detail components is performed with the processor. From each transformed pixel data stream, a detail component defining a lowest level of detail for the respective pixel data stream is collected with the processor. The collected lowest level of detail components is stored, sequentially in a primary block. At least one additional block containing remaining detail components is generated. | 2011-06-16 |
20110142138 | REFINED DEPTH MAP - Various implementations are described. Several implementations relate to a refined depth map. According to one aspect, depth information for a picture in a set of pictures is accessed. Modified depth information for the picture is accessed. A refinement is determined that characterizes a difference between the depth information and the modified depth information. The refinement, and the depth information, is provided for use in processing one or more pictures in the set of pictures. | 2011-06-16 |
20110142139 | DEVICE FOR DECODING AUDIO AND VIDEO DATA - A device for decoding AV data is provided. The device includes a plurality of sub-buffers to store video data, audio data and subtitle data, so that a data-decoding procedure can be efficiently performed. Besides, a method for providing each picture's information in video data is disclosed. According to the compression standard of the AV data, the method applies a corresponding procedure to provide each picture's information in video data. The picture information is useful to help a decoding unit to correctly decode the video data, so as to generate pictures. | 2011-06-16 |
20110142140 | TRANSMITTING APPARATUS AND METHOD, AND RECEIVING APPARATUS AND METHOD - Image data is encoded to generate encoded data. An encoding-time buffer period that is a minimum buffer period necessary to prevent synchronous reproduction in which the encoded data is decoded and reproduced in synchronization with a timestamp added to the encoded data from failing due to a delay caused by encoding of the image data is added to the encoded data as encoding header information. A transmission-time buffer period that is a minimum buffer period necessary to prevent the synchronous reproduction from failing due to a delay caused by encoding of the image data and transmission of the encoded data is added to the encoded data as transmission header information different from the encoding header information. The encoded data having the encoding-time buffer period and the transmission-time buffer period added thereto is transmitted to another apparatus that performs the synchronous reproduction via a network. | 2011-06-16 |
20110142141 | METHOD, APPARATUS AND SYSTEM FOR RANDOM LINEAR NETWORK CODING - The present invention relates to network coding and discloses a method, an apparatus, and a system for random linear network coding to prevent the complicated and time-consuming process of network coding. The coding method for random linear network includes: splitting original data into at least two data blocks sequentially; determining at least two coefficient groups, wherein a length of each coefficient group is the same as the number of the data blocks, and the coefficient group comprises two elements; performing a bitwise-AND operation on the data blocks and coefficients corresponding to the data blocks to obtain code blocks; and performing a bitwise-XOR operation between the code blocks to obtain a code packet. The present invention is applicable to the network coding which requires a high efficiency of coding. | 2011-06-16 |
20110142142 | APPARATUS AND METHOD FOR ESTIMATING CHANNEL IN CHANNEL DOMAIN - A method and apparatus for estimating a channel in a frequency domain are provided. The apparatus acquires frequency selectivity information using a cell-specific reference signal, selects a channel estimation scheme using a user specific reference signal according to the acquired frequency selectivity information, and estimates a frequency channel using the selected channel estimation scheme. Accordingly, more accurate channel estimation with respect to a region to which a physical downstream shared channel is allocated can be performed. | 2011-06-16 |
20110142143 | Sending Apparatus, Receiving Apparatus, Sending Method, And Receiving Method - In a sending apparatus, a storage section stores information which associates a first communication quality and a second communication quality with hierarchical modulation methods each using a plurality of channels. On the basis of the information stored in the storage section, a control section selects a hierarchical modulation method corresponding to the first communication quality which is a communication quality for a receiving apparatus and the second communication quality which is a communication quality for a receiving apparatus. A sending section maps data a destination of which is the receiving apparatus and data a destination of which is the receiving apparatus to the plurality of channels according to the hierarchical modulation method selected, and transmits the data. | 2011-06-16 |
20110142144 | FEEDBACK IN A WIRELESS COMMUNICATION SYSTEM - The invention relates to a method of feeding back information from a receiver to a transmitter, and also a corresponding receiver, transmitter, system comprising a receiver and transmitter, and computer program products for performing the steps of the receiver and transmitter respectively. The method comprises: receiving signals at the receiver from the transmitter over a wireless multiple-input-multiple-output channel; and, based on the received signals, transmitting back reports from the receiver to the transmitter including a report indicating a pre-coding matrix and a report indicating a rank of the pre-coding matrix. In the event that the report indicating the rank is not transmitted, the receiver instead uses a default rank to determine the report. | 2011-06-16 |
20110142145 | METHOD FOR ESTIMATING FREQUENCY OFFSET IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM - Provided is a method for estimating a frequency offset. The method for estimating the frequency offset may include calculating autocorrelation values associated with a Cyclic Prefix (CP) for a reception signal, dividing the calculated autocorrelation values into first autocorrelation values associated with an interval where a signal exists and second autocorrelation values associated with an interval where a signal does not exist, determining whether to use the divided second autocorrelation values; and estimating the frequency offset using the second autocorrelation values determined to be used and the first autocorrelation values. | 2011-06-16 |
20110142146 | MULTI CARRIER SYSTEM AND METHOD FOR RECEIVING MULTI CARRIER - Provided are a multi-carrier system and a method for receiving a multi-carrier. The multi-carrier system may include a transformation unit to transform an input signal from a time domain to a frequency domain, a signal accumulation unit to accumulate a magnitude of the input signal in a predetermined accumulation interval unit, and to count a number of overflows based on the accumulated magnitude of the input signal, a signal level determination unit to generate bit shift information for adjusting a level of the transformed input signal based on the counted number of overflows, and a signal level adjustment unit to adjust the level of the transformed input signal based on the generated bit shift information. | 2011-06-16 |
20110142147 | MULTI-RANK PRECODING MATRIX INDICATOR (PMI) FEEDBACK IN A MULTIPLE-INPUT MULTIPLE-OUTPUT (MIMO) SYSTEM - In at least some embodiments, a system includes a multiple-input multiple-output (MIMO) base station and a plurality of MIMO user equipment (UE) devices in communication with the MIMO base station. The MIMO base station is configured to switch between a single-user (SU)-MIMO mode and a multiple-user (MU)-MIMO mode during communications with the plurality of MIMO UE devices based on multi-rank precoding matrix indicator (PMI) feedback received from at least one of the MIMO UE devices. | 2011-06-16 |
20110142148 | Orthogonal Frequency Division Multiplex Transmission Method - A communications system includes a first reception device and a transmission device. The transmission device includes a modulator operable to modulate a plurality of subcarriers using a signal series obtained by multiplexing a first signal series to be transmitted to the first reception device and a second signal series to be transmitted to a plurality of reception devices including the first reception device in a communications area of the transmission device and a transmitter operable to transmit the modulation signals. The first reception device includes a demodulator operable to regenerate the first signal series and the second signal series. | 2011-06-16 |
20110142149 | METHOD AND APPARATUS OF CODEBOOK TRANSFORMATION FOR INTERFERENCE MITIGATION IN CODEBOOK-BASED PRECODING - When a transmitter communicating with a first receiver interferes with an adjacent second receiver, the transmitter receives a reference signal from the second receiver in order to transform a codebook to mitigate interference in the second receiver. A channel with the second receiver is estimated through the received reference signal, and a receiving correlation matrix is calculated based on the estimated channel. The inverse of the receiving correlation matrix is calculated from the calculated receiving correlation matrix, and the codebook is transformed using the calculated inverse of the receiving correlation matrix. | 2011-06-16 |
20110142150 | USER SPECIFIC DOWNLINK POWER CONTROL CHANNEL Q-BIT - Systems and methodologies are described that facilitate controlling transmission power of a wireless terminal. A downlink power control channel segment may include an Orthogonal Frequency Division Multiplexing (OFDM) tone-symbol that may comprise a first component and a second component. The first component may be an in-phase (I) component and the second component may be a quadrature (Q) component, for example. A power command may be transmitted in the first component. Further, information associated with a wireless terminal may be transmitted in the second component. The information associated with the wireless terminal may be, for instance, a portion of a scrambling mask associated with the wireless terminal. | 2011-06-16 |
20110142151 | AN ADAPTIVE SCHEME TO DETERMINE THE SUB-CARRIER SPACING FOR MULTI-CARRIER SYSTEMS - Orthogonal Frequency Division Multiplexing (OFDM) is a typical multi-carrier technique that has been applied by many advanced wireless communication systems, e.g., 3GPP Long Term Evolution (LTE) and WiMAX. In order to support high mobility transmission, the sub-carrier spacing of multi-carrier systems is made large enough to overcome the Doppler frequency offset. However, this large sub-carrier spacing results in lower transmission efficiency since the CP (Cyclic Prefix) consumes a considerable of radio resources. The present invention provides an adaptive scheme to determine the sub-carrier spacing in which the default sub-carrier spacing is set to support lower mobility, while the adaptively adjusted sub-carrier spacing based on User Equipment (UE) mobile velocities is set to support higher mobility. | 2011-06-16 |
20110142152 | MULTICARRIER DIGITAL SIGNAL TRANSMISSION SYSTEM USING FILTER BANKS AND MEMORY PRELOADING FOR INITIALIZATION - A transmission system includes an emitter ( | 2011-06-16 |
20110142153 | MULTIPLE-INPUT MULTIPLE-OUTPUT SYSTEM, RECEIVING APPARATUS AND METHOD OF RECEIVING SIGNALS - A multi-input multi-output system, receiving apparatus and method of receiving signals are provided. The multi-input multi-output system includes a transmitting apparatus configured to send signals coded through a double space time transmit diversity scheme while changing a phase and an antenna, and a receiving apparatus configured to, if a signal is received from the transmitting apparatus, estimate predetermined symbols by use of a maximum likelihood estimation scheme, estimate remaining symbols by use of a decision feedback equalization scheme, and to calculate a Log Likelihood Ratio (LLR) of each of the predetermined symbols and the remaining symbols, in which the LLR of the remaining symbol is calculated by switching a channel matrix vector (H) of the receiving signal. | 2011-06-16 |
20110142154 | SEQUENTIAL TRANSMISSION MULTI-BEAMFORMING METHOD WITH LOW COMPLEXITY USING HADAMARD MATRIX - Provided is a sequential transmission multi-beamforming apparatus and method with a low complexity based on a Hadamard matrix. A simple codebook may be generated based on the Hadamard matrix and thus, a number of weighted-vectors is reduced and a complexity of hardware is decreased. A diversity gain may be maximized based on a spatial diversity processing apparatus and a beamforming weighted vector may be systematically generated. | 2011-06-16 |
20110142155 | QUADRATURE SIGNAL DECODING USING A DRIVER - A system and method for decoding quadrature signals includes a quadrature signal generator, a quadrature signal decoder, a key matrix and a driver. The quadrature signal generator generates quadrature signals on rotation. The quadrature signal decoder is configured to convert the quadrature signals into non-overlapping signals. The key matrix is configured to receive the non-overlapping signals. The driver is configured to scan the key matrix to decode the non-overlapping signals to generate an event update corresponding to a direction of rotation of the quadrature signal generator. | 2011-06-16 |
20110142156 | MULTI-CHANNEL SIGNALING - A system includes a transmitter device that includes a transmitter baseband controller to segment a bit stream into a first segment, a second segment, and a third segment, and generate a first baseband signal that includes the first segment, a second baseband signal that includes the second segment, and a third baseband signal that includes the third segment; and a radio frequency (RF) transmitter to generate a multi-frequency signal based on the first baseband signal, the second baseband signal, and the third baseband signal; and a receiver device that includes an RF receiver to receive the multi-frequency signal, and retrieve the first baseband signal, the second baseband signal, and the third baseband signal from the received multi-frequency signal; and a receiver baseband control to reassemble the bit stream from the received first baseband signal, the received second baseband signal, and the received third baseband signal. | 2011-06-16 |
20110142157 | INTERLEAVING APPARATUS FOR IMPROVING TRANSMISSION PERFORMANCE AND INTERLEAVING METHOD USED BY THE INTERLEAVING APPARATUS - Provided are an interleaving apparatus for improving transmission performance and an interleaving method used by the interleaving apparatus. The interleaving apparatus determines the type of data at each element position of an interleaving matrix, reads encoded data, which corresponds to the determined type of data at each element position, from an encoder, rearranges the read data in an order determined by the interleaving matrix, and outputs the rearranged data. Since the interleaving apparatus does not include a memory, it can prevent delay in signal processing, thereby improving transmission performance. | 2011-06-16 |
20110142158 | OFDM modem for transmission of continuous complex numbers - The invention enables the transmission of continuous complex numbers using a symbol based transmission scheme such as OFDM. Accordingly, complex numbers are mapped to the constellation map, enabling a fine granularity of constellation points. This scheme may be used, for example, in the transmission of video where the coefficients representing the higher frequency of each of the video components, as well as the quantization error values of the DC and near DC components, or some, possibly non-linear transformation thereof, are sent as pairs of real and imaginary portions of a complex number that comprises a symbol. | 2011-06-16 |
20110142159 | METHOD AND APPARATUS FOR HYBRID VIRTUAL MIMO TRANSMISSION IN WIRELESS AD-HOC NETWORK - A hybrid virtual multiple-input multiple-output (V-MIMO) transmission method of a management node in a wireless ad-hoc network in which a transmission path from a source node to a destination node is divided into one or more sections is provided. The hybrid V-MIMO transmission method includes obtaining one or more pieces of node information of one or more nodes by transmitting an information request message to the nodes in response to a transmission request message for data transmission from the source node to the destination node; setting a shortest path (SP) from the source node to the destination node based on the obtained node information; determining transmission schemes individually for nodes present on the SP; issuing a transmission preparation request by transmitting the determined transmission schemes to the respective corresponding nodes; and transmitting a transmission start message to the source node in response to transmission ready responses from the respective nodes. | 2011-06-16 |
20110142160 | METHOD AND APPARATUS FOR TRANSMITTING URGENT DATA - A method and apparatus for transmitting urgent data by embedding the urgent data in normal data is provided. An urgent data signal is embedded in a normal data signal in such a way that the normal data signal is not affected, and then the urgent data signal is transmitted together with the normal data signal thereby stably transmitting urgent data without using a separate urgent data line. | 2011-06-16 |
20110142161 | TRANSMITTING SYSTEM AND METHOD OF PROCESSING DIGITAL BROADCAST SIGNAL IN TRANSMITTING SYSTEM, RECEIVING SYSTEM AND METHOD OF RECEIVING DIGITAL BROADCAST SIGNAL IN RECEIVING SYSTEM - A transmitting system and a method of transmitting digital broadcast signal are disclosed. The method of transmitting digital broadcasting signal in a transmitter includes forming a data group including mobile data, known data sequences, trellis initialization data bytes, wherein the known data sequences are sequentially concatenated with the trellis initialization bytes, interleaving data in the data group, wherein the data group includes a plurality of data blocks and scalable data blocks, wherein the known data sequences inserted in a predetermined area of the data group, trellis encoding on the interleaved data and initializing memories for the trellis encoding using initial bits of the trellis initialization data bytes in the interleaved data, wherein the initial bits of the trellis initialization data bytes are calculated using exclusive or operation with predetermined memory values of the memories for the trellis encoding, transmitting a broadcast signal including the trellis encoded data during a slot. | 2011-06-16 |
20110142162 | DATA TRANSMITTING METHOD AND DATA TRANSMITTING STRUCTURE - A data transmitting structure and a data transmitting method are disclosed. The data transmitting structure includes an input buffer layer and an output buffer layer. The input buffer layer includes N input latches connected sequentially in series. The 1st input latch of the input buffer layer is coupled to a data module. The output buffer layer includes N output latches connected sequentially in series. The 1st output latch of the output buffer layer is coupled to the Nth input latch of the input buffer layer. When the input buffer layer is turned on, the data in the data module are sequentially loaded into the input buffer layer, and then the data in the input latches are sequentially transmitted to the output latches of the output buffer layer. Finally, the data are sequentially transmitted to the Nth output latch of the output buffer layer and outputted from the Nth output latch. | 2011-06-16 |
20110142163 | APPARATUS AND METHOD FOR MAPPING SYMBOL - In a symbol mapping method, transmission data is encoded to output information bits and redundancy bits. The information bits and the redundancy bits are mapped to a symbol according to a first mapping scheme at a first transmission, and the information bits and the redundancy bits are mapped to a symbol according to a second mapping scheme at a second transmission. | 2011-06-16 |
20110142164 | METHOD AND DEVICE FOR REALIZING GROUPING IN MULTI-INPUT MULTI-OUTPUT TRANSMISSION WITH MULTIPLE-SECTOR COORDINATION - A method and device for performing Multi-Input Multi-Output transmission to a mobile terminal in the base station devices of a wireless communication system is provided. Each base station device determines the sector coordination group used at a certain frequency band according to system settings. Each base station device only performs multiple-sector (-cell) collaborative MIMO transmission in the sector coordination group which includes the sectors governed by the base station device. A simple and effective method is provided for realizing the multiple-sector (-cell) MIMO technology, its advantages including but not limited to there being a reduced amount of information exchanged between sectors (cells), which facilitates implementation and management, and good performance in controlling interface between sectors (cells). | 2011-06-16 |
20110142165 | Flexible self-adaptive differential system to improve transmission efficiency - A system and method for transmitting data. The system and method is configured to dynamically implement one of a differential signaling method or a single-ended signaling method during a transmission of data. The signaling method is selected based on a measured interference level during the transmission of data. The implementation of the signaling method is performed without interrupting the data transmission. | 2011-06-16 |
20110142166 | METHOD OF FEEDBACK INFORMATION TRANSMISSION, METHOD AND APPARATUS OF DATA TRANSMISSION IN A WIRELESS COMMUNICATION SYSTEM HAVING MULTIPLE ANTENNAS - A method of data transmission in a wireless communication system having multiple antennas is disclosed. A method of data transmission from a transmitter of a wireless communication system which uses multiple antennas comprises receiving identification information of a precoding matrix from a receiver, the precoding matrix being selected from a codebook generated using a plurality of first matrixes generated by multiplying a discrete fourier transform (DFT) matrix by each of a plurality of phase shift matrixes; precoding data to be transmitted, by using a precoding matrix indicated by the identification information; and transmitting the precoded data to the receiver by using the multiple antennas. | 2011-06-16 |
20110142167 | TRANSMITTING APPARATUS WITH BIT ARRANGEMENT METHOD - A transmitting apparatus, that includes a means for generating bit sequences to adjust an occupation rate occupied with predetermined bits included in a first data block, which is obtained by encoding first data in a first encoding process, to be equal or closer to an occupation rate occupied with predetermined bits included in a second data block, which is obtained by encoding second data in a second encoding process, in regard to first bit positions of the bit sequences generated using bits included in the first and second data blocks and a modulator for performing multi-level modulation for transmission based on the generated bit sequences. | 2011-06-16 |
20110142168 | TRANSMITTING APPARATUS WITH BIT ARRANGEMENT METHOD - A method of transmitting data that includes controlling generation of bit sequences to adjust an occupation rate occupied with predetermined bits included in a first data block, which is obtained by encoding first data in a first encoding process, to be equal or closer to an occupation rate occupied with predetermined bits included in a second data block, which is obtained by encoding second data in a second encoding process, in regard to first bit positions of the bit sequences generated using bits included in the first and second data blocks; and performing multi-level modulation for transmission based on the generated bit sequences. | 2011-06-16 |
20110142169 | ELECTRONIC DEVICE, INTEGRATED CIRCUIT AND METHOD FOR SELECTING OF AN OPTIMAL SAMPLING CLOCK PHASE - An electronic device comprises a number of sub-systems coupled via an interface. One of the number of sub-systems comprises logic for receiving a frame of input data having a plurality of phases on respective data paths. The electronic device further comprises logic for performing cross correlation on the received input data with a pre-determined bit pattern, operably coupled to selection logic, for selecting a single phase from the plurality of phases sent to the interface to sample the received input data in a middle region of a data bit period in response to the cross correlation. | 2011-06-16 |
20110142170 | Signal Receiver and Method for Estimating Residual Doppler Frequencies of Signals Thereof - The invention provides a signal receiver. The signal receiver comprises a carrier removal module, a Fast Fourier Transformation (FFT) module, and a signal processor. The carrier removal module generates a carrier signal with a frequency of an estimated carrier frequency, generates at least one delta carrier signal with a frequency of the carrier frequency plus a delta frequency, removes the carrier signal from a first signal to obtain a second signal, and removes the delta carrier signal from the first signal to obtain a third signal. The FFT module derives a series of first FFT values from the second signal, and derives a series of second FFT values from the third signal. The signal processor estimates the carrier frequency of the second signal to obtain the estimated carrier frequency, determines the delta frequency for the carrier removal module, estimates a residual Doppler frequency of the second signal according to both the first FFT values and the second FFT values, and adjusts the estimated carrier frequency according to the residual Doppler frequency. | 2011-06-16 |
20110142171 | BROADCASTING SYSTEM AND RECEPTION APPARATUS - A broadcasting system | 2011-06-16 |
20110142172 | A DEVICE FOR AND A METHOD OF PROCESSING DATA SIGNALS - A method of data signal processing is provided, wherein the method comprises filtering a pre-filtered quadrature data signal by using an m×n filtering matrix, wherein m≠n. In particular, the filtering may be performed by using a rectangular matrix, i.e. a non-quadratic matrix. That is, the filtering may be performed by a matrix multiply in an image cancellation filtering unit. In general m relates to the 5 number of rows of the matrix while n relates to the number of columns of the matrix. In particular, the processing may form or may be a part of an image cancellation process. | 2011-06-16 |
20110142173 | RECEIVERS AND SYMBOL DECODERS THEREOF - A receiver capable of decoding a symbol based on information on a previous symbol, the symbol and a next symbol in a Gaussian frequency shift keying (GFSK) communication system is provided. The receiver includes a discriminator to generate a symbol for each bit in a bit sequence, a first lookup table (LUT) to store a number of bit patterns and mapping patterns, wherein each of the bit patterns is in the form of a set of consecutive bits in the bit sequence and corresponds to a respective one of the mapping patterns, and wherein each of the mapping patterns includes a set of entries and each of the entries results from an operation of attribute values at a sample time in the waveform of a symbol, a calculator to receive a set of consecutive symbols from the discriminator and calculate a distance value between the set of consecutive symbols and each of the mapping patterns, and a comparator to identify one of the mapping patterns with a minimum distance value by comparing among the distance values from the calculator. | 2011-06-16 |
20110142174 | APPARATUS AND METHOD FOR DETECTING IMPULSE SIGNAL AND IMPULSE SEQUENCE - Disclosed herein is an apparatus and method for detecting an impulse signal or impulse sequence to realize wireless real-time location system application in a multipath fading environment. The apparatus includes a band-pass filter, an RF analog unit, and a signal processing base-band unit. The band-pass filter removes unnecessary frequency bands from impulse signals received through a receiving antenna. The RF analog unit detects the envelope of the impulse sequence deprived of the unnecessary frequency bands and based on a multipath, and outputs a digital signal regarding the envelope based on a leading edge of the envelope. The signal processing base-band unit performs low-speed 1-bit sampling and then output data, and, if frame synchronization has been found or a ranging command has been detected, performs high-speed 1-bit sampling and then calculates and outputs the propagation time of the impulse signals. | 2011-06-16 |
20110142175 | System and method for television signal demodulation and decoding - A modem for use with a computer having a demodulator and a decoder, the modem comprises a hardware interface; a demodulator front-end having a first input and a first output, the first output of the demodulator front-end being configured to interface with the demodulator of the computer and to provide a demodulated front-end signal to the demodulator over the hardware interface; and a forward error correction (FEC) unit having a second input and a second output, the second input of the FEC unit being configured to interface with the demodulator of the computer and to receive a demodulated signal from the demodulator over the hardware interface, the demodulated signal being a demodulation of the demodulated front-end signal, and the second output of the FEC unit being configured to interface with the decoder of the computer and to provide an FEC signal to the decoder over the hardware interface. | 2011-06-16 |
20110142176 | RECIEVING APPARATUS AND METHOD, PROGRAM, AND RECIEVING SYSTEM - Disclosed herein is a receiving apparatus for receiving an orthogonal frequency division multiplexing signal, namely, OFDM signal having a frame having one frame length of a plurality of patterns, including: an acquiring section configured to acquire information on a preamble signal from the OFDM signal transmitted from a transmitting apparatus in accordance with an OFDM system; a frame determining section configured to determine whether or not the one frame length is short in the frame based on the information on the preamble signal acquired from the acquiring section; and a time interpolating section configured to obtain transmission path characteristics by comparing a pilot contained in the preamble signal and a known pilot corresponding to the pilot in a phase of transmission with each other when the frame determining section determines that the one frame length is short in the frame, and interpolate a data portion in a time direction based on the transmission path characteristics thus obtained. | 2011-06-16 |
20110142177 | APPARATUS AND METHOD FOR COMPENSATING FOR DELAY MISMATCH BETWEEN AMPLITUDE COMPONENT SIGNAL AND PHASE COMPONENT SIGNAL - Provided are an apparatus and method for compensating for a delay mismatch between an amplitude component signal and a phase component signal. The apparatus includes an amplitude path delay obtainer configured to obtain amplitude-delay information on a delay occurring in a propagation path of an amplitude component signal, a phase path delay obtainer configured to obtain phase-delay information on a delay occurring in a propagation path of a phase component signal, a delay controller configured to calculate and output a difference between the obtained amplitude path delay and the obtained phase path delay, and a variable delayer configured to compensate for a delay by changing a delay value on the basis of the delay difference output from the delay controller. Using an asynchronous method, in which a signal obtained before and after a delay is used as the clock signal of a memory device and the clock signal of a register to find the delay, it is possible to reduce the complexity of the constitution and increase power efficiency. | 2011-06-16 |
20110142178 | DEVICE AND METHOD FOR CONTROLLING FREQUENCY RESONANCE POINT OF AN ANTENNA - The present invention disclosed an apparatus and method for receiving a plurality of broadcasting signals. The apparatus comprises: a control circuit for generating an analog control voltage signal according to a frequency-voltage look-up table and a desired frequency; an antenna module comprising an antenna and an antenna resonant control circuit comprising a voltage-controlled capacitor being controlled by the analog control voltage signal, wherein the antenna resonant control circuit comprises a voltage-controlled capacitor to control the bandwidth received by the antenna according to the analog control voltage signal; a tuner for tuning a broadcasting signal received by the antenna to generate an output signal; and a demodulator for demodulating the output signal of the tuner. | 2011-06-16 |
20110142179 | METHOD AND APPARATUS FOR GENERATING SOFT-DECISION INFORMATION BASED ON NON-GAUSSIAN CHANNEL IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for generating soft-decision information based on non-Gaussian channel in a wireless communication system is provided. A receiver receives a decision variable, models an interference or noise distribution in the decision variable as a non-Gaussian probability density function and estimates a number of parameters of the non-Gaussian probability density function, and determines a log likelihood ratio (LLR) of the decision variable using the results of the estimation, wherein the parameters of the non-Gaussian probability density function comprise a shape parameter for determining the shape of the non-Gaussian probability density function. | 2011-06-16 |
20110142180 | APPARATUS FOR RECEIVING SIGNALS IN A COMMUNICATION SYSTEM BASED ON MULTICARRIER TRANSMISSION AND METHOD FOR INTERFERENCE CANCELLATION - Provided are an apparatus and method of receiving signals in a communication system based on multicarrier transmission. The receiving apparatus cancels Inter-Symbol Interference (ISI) in a time domain from a received signal having a delay time above a guard interval, and cancels Inter-Carrier Interference (ICI) in a frequency domain from the received signal. | 2011-06-16 |
20110142181 | COMMUNICATION SYSTEM - A communication system having a program of machine-readable instructions for solving an ILS problem, tangibly embodied on a computer readable memory and executable by a digital data processor, to perform actions directed toward outputting a set of a-posteriori probability vectors. | 2011-06-16 |
20110142182 | MATCHED FILTER CIRCUIT APPARATUS IN THE BASE BAND PROCESS SYSTEM OF THE TERMINAL DEVICE AND METHOD THEREOF - The present invention discloses a matched filtering circuit apparatus in the baseband processing system of the terminal device and method thereof. The circuit apparatus comprises a control unit for controlling the processing procedures of de-scrambling, de-spreading, de-rotating and maximal ratio combining data, the output ports of the control unit connects with a V vector buffer unit, a shift integral selection unit and a coherent integral unit for implementing the matched filtering and data buffer. Due to the application of entirely pipeline design structure, the processes of data buffer and matched filtering can be carried out simultaneously, thus shortening time consumption of the terminal hardware accelerator and effectively improving the operation efficiency of the mobile communication terminal hardware system. | 2011-06-16 |
20110142183 | Multiring apparatus and method to measure heat released by a sample loaded with hydrogen - The present invention relates to methods and systems used to examine the activity of a sample of a material involved in a reaction with an isotopic fuel. The system includes a novel holding apparatus for said sample of material with a surrounding structure means to examine and load said sample. Said apparatus also includes means to irradiate said sample of material during loading and means to assess the activity of said sample. In one configuration said means of examining the activity of said sample consists of a multiring calorimeter with a series of concentric chambers surrounding the centrally placed sample of material. Said means to examine said sample also includes means to detect changes in the volume of said sample during electrolysis or gas loading with said fuel, means to compare the activity of said sample of said material with other substances, means to semiquantitatively determine the activity of said sample of said material by determining the generated power and energy secondary to said loading, and comparing that to the input power and energy to obtain the ratios of the instantaneous power (P | 2011-06-16 |
20110142184 | Process and technical arrangement to study nuclear fission by using single atomic layers of nuclear materials with a single crystal structure grown onto undamaged, miniature single crystal hollow body surfaces, which serve as a seeding platform - A new process and arrangement (as shown in | 2011-06-16 |
20110142185 | DEVICE FOR COMPRESSING A COMPACT TOROIDAL PLASMA FOR USE AS A NEUTRON SOURCE AND FUSION REACTOR - Provided are methods and devices for compression of a spheromak plasma (e.g., deuterium-trirtium (D-T)-derived) in a magnetic well configured within a plasma combustion chamber using an induction coil axially adjacent to the plasma, wherein a moveable member (e.g., piston, cam and follower) drives the induction coil toward the plasma, pushing the plasma via magnetic pressure into the magnetic well and compressing the plasma substantially adiabatically (e.g., coil motion is well below the plasma sound speed). The compression quickly increases both plasma density and temperature past the point of ignition, and after plasma burn, the coil is backed-off to allow the plasma to re-expand, providing for refueling and repetition of the compression cycle. Additionally provided are spaced annular plasma formation electrodes, suitably configured for generating and injecting magnetized plasma into a plasma combustion chamber. Preferably, spaced annular plasma formation electrodes are used in combination with moveable compression members as disclosed herein. | 2011-06-16 |
20110142186 | METHOD AND DEVICE FOR DETECTING DEPOSITS COMPRISING AT LEAST ONE FERROMAGNETIC MATERIAL ON OR NEAR THE EXTERNAL WALL OF A TUBE - The present invention relates to a method of detecting deposits comprising at least one ferromagnetic material, such as nickel, magnetite or the like, on or near the external wall of a tube, notable in that it comprises at least the following steps of: moving a magnetized source inside the tube in the lengthwise direction using an electric motor, measuring the strength of the current in the electric motor, and determining the position and/or the thickness and/or the volume of the said deposit as a function of the variations in the strength of the current measured in the electric motor. Another subject of the invention is a device implementing the said method. | 2011-06-16 |
20110142187 | METHOD FOR REMOVING THERMAL SLEEVE FROM COLD LEG OF REACTOR COOLANT SYSTEM - Disclosed is a method for removing a thermal sleeve from a cold leg of a reactor coolant system, which enables removal of an unintentionally separated thermal sleeve without implementation of a pipe cutting operation, preventing invasion of impurities into pipes and securing reliability in repetitious welding of the pipes. In particular, the method enables a remote operation and an underwater operation using wire ropes, thus being capable of minimizing a negative effect on workers due to radiation exposure. | 2011-06-16 |
20110142188 | APPARATUS FOR REMOVING THERMAL SLEEVE FROM COLD LEG OF REACTOR COOLANT SYSTEM - Disclosed is an apparatus for removing a thermal sleeve from a cold leg of a reactor coolant system, which removes an unintentionally separated thermal sleeve without pipe cutting, preventing invasion of impurities into pipes and achieving reliable pipe re-welding. The apparatus includes a sleeve removal tool including a corn head formed at a shaft, a pressure plate below the corn head to maximize hydraulic pressure inside a safety injection pipe, a spring connected to the pressure plate to keep the pressure plate unfolded, and a guide wheel to guide the sleeve removal tool into the safety injection pipe, a horizontal movement carrier including bodies connected to each other by a link, a seating rod for seating of the sleeve removal tool, and moving wheels for movement of the horizontal movement carrier, and a vertical movement carrier including first and second anti-separation bars to prevent separation of the horizontal movement carrier. | 2011-06-16 |
20110142189 | STORAGE RACK FOR FRESH OR SPENT NUCLEAR FUEL ASSEMBLIES - A storage rack for nuclear fuel assemblies, comprising a rigid structure defining a plurality of adjacent cells, and comprising in each cell a sleeve defining a cavity intended to receive a nuclear fuel assembly, the sleeve having, in cross-sectional orthogonal to the longitudinal direction, a generally polygonal shape whereof the sides are produced using plates made from a neutron-absorbing material. According to the invention, the sleeve also includes: profiles each forming a corner piece, arranged on at least several angles of said generally polygonal cross-section, these profiles serving as a mounting bracket for the plates made of a neutron-absorbing material; and a means for maintaining the profiles therebetween. | 2011-06-16 |
20110142190 | NUCLEAR REACTOR - A nuclear reactor includes a reflector and a flow path. The reflector reflects neutrons, contains graphite and a moderator having a smaller moderating power than the graphite, and is sectioned into plural parts along a direction of flow of fuel pebbles. The flow path is surrounded by the reflector, and the fuel pebbles flow through the flow path and undergo nuclear reaction to generate power. Volume ratio of the graphite to the moderator having a smaller moderating power than the graphite in each part of the reflector is determined based on a power distribution in the reactor core in the direction of flow of the fuel pebbles. | 2011-06-16 |
20110142191 | SHIFT REGISTER CIRCUIT - A shift register circuit comprises a first transistor connected between a clock terminal and an output terminal, a second transistor for charging a control electrode of the first transistor in response to activation of an output signal of the preceding stage, a third transistor for discharging the control electrode of the first transistor, an inverter using a control electrode of the third transistor as an output end, and a fourth transistor which discharges an input end of the inverter at power-off and is turned off after power-on. A fifth transistor which is a load element of the inverter charges the control electrode of the third transistor at power-on. It is thereby possible to initialize the respective levels of the nodes without any external initialization signal and prevent a decrease in the level change rate of the output signal in the shift register circuit. | 2011-06-16 |
20110142192 | SHIFT REGISTER CIRCUIT - A shift register circuit includes plural shift register stages for providing plural gate signals. Each shift register stage includes a pull-up unit, a pull-up control unit, an input unit, a first pull-down unit, a second pull-down unit, and a pull-down control unit. The pull-up control unit generates a first control signal according to a driving control voltage and a first clock. The pull-up unit pulls up a corresponding gate signal according to the first control signal. The input unit is utilized for inputting the gate signal of a preceding shift register stage to become the driving control voltage according to a second clock having a phase opposite to the first clock. The pull-down control unit generates a second control signal according to the driving control voltage. The first and second pull-down units pull down the corresponding gate signal and the first control signal respectively according to the second control signal. | 2011-06-16 |
20110142193 | X-RAY TUBE FOR MICROSECOND X-RAY INTENSITY SWITCHING - An injector for an X-ray tube is presented. The injector includes an emitter to emit an electron beam, at least one focusing electrode disposed around the emitter, wherein the at least one focusing electrode focuses the electron beam and at least one extraction electrode maintained at a positive bias voltage with respect to the emitter, wherein the at least one extraction electrode controls an intensity of the electron beam. | 2011-06-16 |
20110142194 | SYSTEM AND METHOD OF ACQUIRING MULTI-ENERGY CT IMAGING DATA - A CT system includes a rotatable gantry having an opening for receiving an object to be scanned, and a controller configured to apply a first kVp for a first time period, apply a second kVp for a second time period, wherein the second time period is different from the first time period, acquire a first asymmetric view dataset during at least a portion of the first time period, acquire a second asymmetric view dataset during at least a portion of the second time period, and generate an image using the acquired first and second asymmetric view datasets. | 2011-06-16 |
20110142195 | Curtain Assembly, Scanning System, and Method for Assembling Scanning System - A curtain assembly includes at least one curtain including at least one slat. The at least one curtain is configured to be rotatably coupled to a housing of a scanning system having a radiation source and a detector. The at least one curtain is further configured to facilitate drawing an object into the scanning system housing while substantially preventing radiation emitted from the radiation source from exiting the housing through the at least one curtain. | 2011-06-16 |
20110142196 | X-RAY CT APPARATUS AND CONTROL METHOD OF X-RAY CT APPARATUS - An X-ray CT apparatus has a plurality of projectors, a reception unit, a setting unit, a supporter, and a scan execution unit. The projectors each have a light source on a circumference having a same radius as a rotation radius of an X-ray focal point of an X-ray irradiator and each irradiate laser light having an irradiation range simulating an irradiation range of the X-ray. The reception unit receives an instruction for three-dimensionally sliding the projectors as one body. The setting unit sets a position of the projectors. The supporter supports a table and three-dimensionally slides the table by a difference between a position of a center of the circumference of the set projectors and a position of a rotation center of the X-ray focal point of the X-ray irradiator. The scan execution unit executes a scan with the table after the sliding as a scan position. | 2011-06-16 |
20110142197 | PATIENT POSITIONING SYSTEM FOR PANORAMIC DENTAL RADIATION IMAGING SYSTEM - A patient positioning system for a panoramic dental radiation imaging system, including an upright support, and a patient positioning arm with chin rest mounted thereto. Wands are each rotatably connected to the patient positioning arm and connected together so as to move at identical angles of rotation, but in the opposite direction. Lasers, including a mid-sagittal, a Frankfort Plane, two cuspid, and one toe laser, each providing a line of visible laser light directed at a respective area of a patient's face, or at the floor, assist a technician in properly positioning the patient. A mirror is mounted to the upright support by a mechanism that permits the mirror to be pivoted outward from the support, in either of two directions, so as to enable the technician to see the lasers on the patient's face from the technician's position on either side of the positioning arm. | 2011-06-16 |
20110142198 | REMOVABLE RADIATION SENSOR FOR DENTAL IMAGING SYSTEMS - A removable radiation sensor for connecting to a panoramic dental radiation imaging system. The sensor includes a radiation sensor unit mounted in a housing. Connector bearings are positioned within the housing so as to engage with a pair of connector pins provided as part of the upright support of the imaging system. A lock pin within the housing is selectively slidable between Locked and Unlocked, and biased toward Locked. The lock includes a locking pin with a groove, and when the groove is aligned with the respective connector pin, the lock is unlocked, and that connector pin is slidable axially within the bearings. When the groove is not aligned with the connector pin, the lock is locked, the locking pin engaging with a groove formed for that purpose in the connector pin. The sensor has a field-replaceable electrical connector, to reduce maintenance cost. | 2011-06-16 |
20110142199 | MOTION SYSTEM FOR PANORAMIC DENTAL RADIATION IMAGING SYSTEM - A motion system for use in a panoramic dental radiation imaging system, including apparatus for rotating an overhead arm with respect to a support column, apparatus for rotating a C-arm with respect to the overhead arm, and apparatus for moving the C-arm axially with respect to the overhead arm. The overhead arm is rotatably mounted to the support column at a rotation point. The apparatus for rotating the overhead arm is a linear actuator, one end of which is connected to the support column at a first point spaced apart from the rotation point, while the other end is connected to the overhead arm at a second point spaced apart from the rotation point and from the first point. The C-arm rotating apparatus includes a C-arm rotation motor driving a wheel, which is engaged with the C-arm in such a way that the rotation of the wheel causes rotation of the C-arm. | 2011-06-16 |
20110142200 | Small Spot X-Ray Fluorescence (XRF) Analyzer - A hand-held, self-contained x-ray fluorescence (XRF) analyzer produces a small x-ray spot on a sample to interrogate the elemental composition of a sample region of millimeter-size characteristic dimension. The analyzer includes a collimator for aiming an x-ray beam toward a desired location on the sample and for determining the size of the spot produced on the sample. The analyzer may include a digital camera oriented toward the portion of the sample that is, or would be, interrogated by the x-ray spot to facilitate aiming the analyzer. The analyzer may generate a reticule in a displayed image to indicate the portion of the sample that is, or would be, illuminated by the x-ray beam. The analyzer may automatically annotate the image of the sample with text or graphics that contain information about the analyzed sample. The image may be stored in the hand-held analyzer or provided for external storage or display. | 2011-06-16 |
20110142201 | MULTI-VIEW IMAGING SYSTEM AND METHOD - A multi-view imaging system and method is disclosed. The system comprises: multiple X-ray sources emitting X-rays in a fan-shaped beam each having a first and a second beam edge defining a fan beam angle located in a predetermined configuration around an imaging volume; a system controller configured to operate the X-ray sources; detectors, to detect X-rays and configured to generate signals in response to the detected X-rays, wherein each of the plurality of X-ray sources are configured to emit X-rays to one or more detectors, further wherein the X-ray source and two end points of a corresponding detector define a fan beam plane, further wherein a line extending from the X-ray source within the fan beam plane and through the imaging volume defines a projection direction, wherein adjacent projection directions define an angular spacing; an object conveyance device configured for transporting an object along a path of travel through the imaging volume between the X-ray sources and the detectors; and a detector interface configured to acquire the signals from the detectors, wherein the predetermined configuration is defined wherein either: the projection directions when viewed along a longitudinal axis of the image system surround the imaging volume by an angular range of about 180 degrees; or the projection directions when viewed along a longitudinal axis of the image system surround the imaging volume by an angular range of about 180°−180/Q, wherein Q is a quantity of the projection directions. | 2011-06-16 |
20110142202 | Radiotherapy Apparatus - It is desirable to achieve a co-incident investigative kV source for a therapeutic MV source—a so-called “beams-eye-view” source. It has been suggested that bremsstrahlung radiation from an electron window be employed; we propose a practical structure for achieving this which can switch easily between a therapeutic beam and a beam-eye-view diagnostic beam capable of offering good image resolution. Such a radiation source comprises an electron gun, a pair of targets locatable in the path of a beam produced by the electron gun, one target of the pair being of a material with a lower atomic number than the other, and an electron absorber insertable into and withdrawable from the path of the beam. In a preferred form, the electron gun is within a vacuum chamber, and the pair of targets are located at a boundary of the vacuum chamber. The lower atomic number target can be Nickel and the higher atomic number target Copper and/or Tungsten. The electron absorber can be Carbon, and can be located within the primary collimator, or within one of a plurality of primary collimators interchangeably locatable in the path of the beam. Such a radiation source can be included within a radiotherapy apparatus, to which the present invention further relates. A flat panel imaging device for this source can be optimised for low energy x-rays rather than high energy; Caesium Iodide-based panels are therefore suitable. | 2011-06-16 |
20110142203 | Gantry Scanner Systems - A gantry scanner system includes a radiation source, a plurality of detectors and a support frame supporting the detectors. The support frame includes an elongate support member arranged to support the detectors, cable support means arranged to support power cables or signal cables connected to the detectors, and cover means arranged to cover the support member, the cable support means and the detectors. | 2011-06-16 |
20110142204 | APPARATUS FOR MODIFYING ELECTRON BEAM ASPECT RATIO FOR X-RAY GENERATION - An apparatus for modifying an aspect ratio of an electron beam to form a focal spot having a desired size and aspect ratio on a target anode is disclosed. The apparatus includes an emitter element configured to generate an electron beam having a first aspect ratio shape and an extraction electrode positioned adjacent to the emitter element to extract the electron beam out therefrom, the extraction electrode including an opening therethrough. The apparatus also includes at least one shaping electrode positioned to receive the electron beam after passing through the extraction electrode, the shaping electrode defining a non-circular aperture therein and being configured to provide at least one of shaping and focusing of the electron beam to have a second aspect ratio shape different from the first aspect ratio shape so as to form a focal spot having a desired size and aspect ratio on a target anode. | 2011-06-16 |
20110142205 | Methods and Systems for Testing a Gateway Device - An exemplary method includes generating a digit map in response to user input received by way of a graphical user interface, the digit map defining a digit sequence and a plurality of dual-tone multi-frequency (“DTMF”) properties associated with each digit included in the digit sequence, generating DTMF tones representing the digit sequence in accordance with the DTMF properties, transmitting the DTMF tones to a gateway device communicatively coupled to the testing subsystem, the gateway device configured to translate the DTMF tones into a packet-based representation of the digit sequence and the DTMF properties, receiving the packet-based representation of the digit sequence and the DTMF properties from the gateway device, and determining whether the digit sequence and the DTMF properties included in the packet-based representation substantially match the digit sequence and the DTMF properties defined by the digit map. Corresponding methods and systems are also disclosed. | 2011-06-16 |
20110142206 | Automated DSL Performance Adjustment - A method includes selecting a first set of digital subscriber lines (DSLs) supported by a digital subscriber line access multiplexor (DSLAM). The DSLs of the first set exhibit reduced performance based on historical performance data. The method includes sending a request to the DSLAM for a first performance parameter for each of the DSLs of the first set. The method includes receiving the first performance parameters. The method includes removing DSLs from the first set that have suitable performance based on the first performance parameters to create a second set of DSLs. The method includes selecting a line profile to apply to the second set of DSLs. The method also includes sending a second request to the DSLAM to apply the line profile to the DSLs of the second set and then to determine a second performance parameter for each of the DSLs of the second set. | 2011-06-16 |
20110142207 | METHOD AND APPARATUS FOR NOTIFYING EMERGENCY RESPONSE ORGANIZATION OF EMERGENCY MESSAGE CLUSTER - A method for notifying an emergency response organization of an emergency message cluster may include: a) detecting emergency messages directed to a first emergency response organization during a time window; b) detecting an emergency message cluster to the first emergency response organization at least in part by determining a quantity of emergency messages detected during the first time window exceeds a threshold value; and c) sending a notification message to a second emergency response organization in response to detecting the emergency message cluster. A network node associated with the method may include a switching module for handling the emergency messages in normal fashion, a message detecting logic for detecting emergency messages to the first emergency response organization, a cluster detecting logic for detecting the emergency message cluster, and an output module for sending the notification message. | 2011-06-16 |
20110142208 | INTERACTIVE ANSWERING SYSTEM AND METHOD - An answering system and method comprising a caller ID input; an outgoing message output; a memory for storage of a plurality of messages; a processor for selecting outgoing message; whereby the processor selects a message from memory dependent upon the caller ID input. | 2011-06-16 |
20110142209 | PRESENCE-BASED MESSAGE WAITING INDICATOR AND MISSED CALLS - Embodiments of the invention provide systems and methods for using a presence-based network to provide call notification information. According to one embodiment, a method of providing information related to a communication can comprise receiving a publication of one or more presence attributes. The one or more presence attributes can comprise at least one attribute indicating call notification information. A presence profile can be associated with an entity. For example, the entity can comprises a recipient of the communication. The presence profile can be updated based on the received presence attributes. The attribute indicating call notification information can be provided to one or more subscribers to the presence information such as the entity associated with the presence profile, another party to the communication, another authorized principal, etc. | 2011-06-16 |
20110142210 | METHOD AND APPARATUS FOR PROVIDING AN ENHANCED TEXT MESSAGING SERVICE - A method and apparatus for providing a text messaging service are disclosed. For example, the method receives a text message destined to a customer, and determines a preference of the customer for forwarding the text message, wherein the preference comprises a plurality of customer endpoint devices for receiving the text message. The method forwards the text message in accordance with a sender input, if the preference of the customer allows for processing of the text message in accordance with the sender input, and forwards the text message in accordance with the preference of the customer; if the preference of the customer does not allow sender input. | 2011-06-16 |
20110142211 | MESSAGE FORWARDING - Embodiments of the invention provide systems and methods for handling a communication, for example to provide a forwarding service. According to one embodiment, handling a communication can comprise receiving and storing one or more forwarding instructions, intercepting a message from a first user to a second user at a first address, applying one or more stored forwarding instructions to the message to determine at least one second address, and forwarding the message to the second user at the second address. In some cases, the at least one second address can comprise a plurality of addresses. Additionally or alternatively, the first address can be on a first communication channel and the second address can be on a second communication channel. The message can comprise a voice call, an email, a Short Message Service (SMS) message, a Multimedia Messaging Service (MMS) message, an Instant Message (IM), or another type of message. | 2011-06-16 |
20110142212 | METHOD AND APPARATUS FOR PROVIDING SERVICE ORIENTED COMMON ACCESS NETWORK SERVICE - Provided is an access node including: a receiver to receive subscriber information associated with a subscriber from a residential gateway of the subscriber and a service request from the subscriber; a storage unit to store registration information comprising the subscriber information and service information received from a plurality of service providers; and a processor to provide, to the residential gateway, a service corresponding to the service request based on the subscriber information. | 2011-06-16 |
20110142213 | PROFILE MANAGEMENT SYSTEM INCLUDING USER INTERFACE FOR ACCESSING AND MAINTAINING PROFILE DATA OF USER SUBSCRIBED TELEPHONY SERVICES - Subscriber profile data is managed. The subscriber profile data is associated with a communications service subscribed to by a subscriber. A request to retrieve the subscriber profile data is received based upon a client sending a request for the subscriber profile data. The client hosts a user interface configured to allow the subscriber to obtain and update the subscriber profile data. The subscriber profile data is retrieved from the communications network in response to the request to retrieve the subscriber profile data. A request to update the subscriber profile data is received based upon the client sending a request to update the subscriber profile data. An update for the subscriber profile data is forwarded to the communications network based upon receiving the request to update the subscriber profile data. | 2011-06-16 |
20110142214 | Methods and Apparatuses for Configuration Automation - Methods and apparatuses for automated configuring of user preferences. In one aspect of the present invention, a method to operate a data processing system, includes: detecting whether or not a portable device is connected to the data processing system; and automatically configuring one or more user preferences of the data processing system according to an identity of the portable device in response to a change in whether or not the portable device is connected to the data processing system. In one aspect of the present invention, call forwarding of at least one of a land line phone and a mobile phone is automatically configured when the mobile phone is brought close to the land line phone or when the mobile phone is taken away from the land line phone. | 2011-06-16 |
20110142215 | APPARATUS AND METHOD FOR MANAGING VOICE COMMUNICATIONS - A system that incorporates teachings of the present disclosure may include, for example, a server having a controller to receive a call request from a set top box that is remote from the server where the call request identifies a telephone number that is displayed in video content presented by the set top box where the telephone number was detected based on at least one of image pattern recognition and voice recognition and where the telephone number is associated with a marketing entity of the video content, establish a voice communication with a first telephone device associated with the set top box, and establish the voice communication with a second telephone device associated with the telephone number and the marketing entity if the first telephone device accepts the voice communication. Other embodiments are disclosed. | 2011-06-16 |