39th week of 2012 patent applcation highlights part 34 |
Patent application number | Title | Published |
20120243605 | Compression Using Range Coding With Virtual Sliding Window - Information to be transmitted may be compressed using range coding for adaptive arithmetic coding with a virtual sliding window. Cost and complexity of coding may be reduced in some cases. | 2012-09-27 |
20120243606 | METHODS, APPARATUSES AND COMPUTER PROGRAMS FOR VIDEO CODING - There is disclosed apparatuses, methods and computer programs for video coding. One or more subsets of a set of operations is determined; an operation among the operations within said subset of operations is selected; and an indication on the subset and on the selected operation is provided at the encoding. The decoding comprises determining one or more subsets of a set of operations; receiving a subset indication indicative of a selected subset among said one or more subsets and for receiving an operation indication indicative of an operation selected among operations within said selected subset; and selecting an operation on the basis of said operation indication. | 2012-09-27 |
20120243607 | METHOD FOR IMAGE CODING AND DECODING - A method for coding an image divided into sub-regions is described. The coding method comprises the following steps:
| 2012-09-27 |
20120243608 | VIDEO CODING AND DECODING METHOD, AND CODING AND DECODING APPARATUS - The present invention relates to a video coding and decoding method, and coding and decoding apparatus. The coding method includes: generating a second order prediction flag for a coding block; when the coding block needs second order prediction, generating a second order prediction flag for at least one sub-block of the coding block, where the second order prediction flag of the sub-block is used to indicate whether second order prediction is performed on the sub-block; performing prediction according to the second order prediction flag of the coding block and the second order prediction flag of the at least one sub-block of the coding block to obtain a prediction image; and obtaining a prediction residual according to the prediction image, and coding the prediction residual. | 2012-09-27 |
20120243609 | BI-PREDICTIVE MERGE MODE BASED ON UNI-PREDICTIVE NEIGHBORS IN VIDEO CODING - This disclosure describes a bi-predictive merge mode in which a bi-predictive video block inherits motion information from two different neighboring blocks, wherein the two different neighboring blocks were each encoded in a uni-predictive mode. Bi-predictive coding may improve the ability to achieve compression in video coding. The described bi-predictive merge mode may increase the number of bi-predictive candidates that can be used in the context of merge mode coding by allowing two separate uni-predicted neighbors to be used to define bi-predictive motion information for a video block. | 2012-09-27 |
20120243610 | DYNAMICALLY CONFIGURING A VIDEO DECODER CACHE FOR MOTION COMPENSATION - A video decoder cache used for motion compensation data may be dynamically reconfigured. In some embodiments, it may be reconfigured on picture or frame boundaries and in other embodiments it can be reconfigured on sequence boundaries. The cache may be flushed on each boundary to enable such reconfiguration. | 2012-09-27 |
20120243611 | IMAGE PROCESSING APPARATUS AND METHOD AS WELL AS PROGRAM - The present invention relates to an image processing apparatus and method, and a program capable of suppressing loss of high-frequency components and achieving a clear sense of the picture quality. A selector | 2012-09-27 |
20120243612 | APPARATUS AND METHOD FOR CODING AN INFORMATION SIGNAL INTO A DATA STREAM, CONVERTING THE DATA STREAM AND DECODING THE DATA STREAM - More customization and adaptation of coded data streams may be achieved by processing the information signal such that the various syntax structures obtained by pre-coding the information signal are placed into logical data packets, each of which being associated with a specific data packet type, and by defining a predetermined order of data packet types within one access unit. The consecutive access units may correspond to different time portions of the information signal. By defining the predetermined order it is possible, at decoder's side, to detect the borders between successive access units even when removable data packets are removed from the data stream between data stream source and decoder without incorporating any hints into the datastream. Therefore, decoders surely detect the access unit beginnings and endings and are not liable to buffer overflow. | 2012-09-27 |
20120243613 | Systems, methods, and apparatus for real-time video encoding - Presented herein are systems, methods, and apparatus for real-time high definition television encoding. In one embodiment, there is presented a method for encoding video data. The method comprises receiving an estimates of amounts of data for encoding earlier pictures; providing target rates based on the estimates of data for encoding the earlier pictures; receiving measures indicative of the actual data for encoding the earlier pictures; and providing at least one target rate for encoding at least one later picture based on the target rates for encoding the earlier pictures and the measures indicative of the actual data for encoding the earlier pictures. | 2012-09-27 |
20120243614 | ALTERNATIVE BLOCK CODING ORDER IN VIDEO CODING - Systems and methods for video decoding include receiving at least one syntax element indicative of a block coding order (BCO); and decoding at least one block in accordance with the BCO. Systems and methods for video encoding include determining for at least one region of a picture a block coding order (BCO) different than scan order; encoding at least one syntax element indicative of the determined BCO; and encoding at least one block; wherein the availability of at least one sample for prediction in the encoding process is determined by the BCO. | 2012-09-27 |
20120243615 | MULTI-LEVEL REPRESENTATION OF REORDERED TRANSFORM COEFFICIENTS - Techniques and tools for encoding and decoding a block of frequency coefficients are presented. An encoder selects a scan order from multiple available scan orders and then applies the selected scan order to a two-dimensional matrix of transform coefficients, grouping non-zero values of the frequency coefficients together in a one-dimensional string. The encoder entropy encodes the one-dimensional string of coefficient values according to a multi-level nested set representation. In decoding, a decoder entropy decodes the one-dimensional string of coefficient values from the multi-level nested set representation. The decoder selects the scan order from among multiple available scan orders and then reorders the coefficients back into a two-dimensional matrix using the selected scan order. | 2012-09-27 |
20120243616 | System and Method for Adaptively Allocating Resources in a Transcoder - An adaptive transcoder is provided that includes a shared memory containing a plurality of decoder buffers to store incoming data packets, a plurality of decoder instances to control a decoding process to generate image raw data based on the incoming data packets, and a plurality of encoder instances configured to control an encoding process to generate outgoing packets based on the image raw data; and a data processing element containing a plurality of processing cores, and a core controller. Each decoder instance is paired with an encoder instance; and each decoder buffer is associated with a decoder instance. Each decoder buffer includes a monitoring element to monitor a respective decoder buffer, and provide buffer data corresponding to the status of the decoder buffer. Each encoder instance is associated with a processing core; and the core controller uses the buffer data to associate each decoder instance with a processing core. | 2012-09-27 |
20120243617 | IMAGE INFORMATION ENCODING METHOD AND ENCODER, AND IMAGE INFORMATION DECODING METHOD AND DECODER - An image decoding method includes decoding encoded image data to generate a decoded image signal including a luma signal and a chroma signal. The method further includes scaling, when a reference field is a bottom field while a current field is a top field for motion estimation and when the decoded image signal is in a format in which the number of chroma pixels is vertically different from the number of luma pixels, a chroma motion vector of the chroma signal by mv/2¼, where mv is a vertical component in a luma motion vector of the luma signal. The method also includes performing motion compensation of the decoded image signal using the scaled chroma motion vector. | 2012-09-27 |
20120243618 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A method of transmitting a broadcast signal includes encoding mobile service data to build a Reed-Solomon (RS) frame according to an RS frame mode, wherein the mobile service data is either a mobile service data of a base layer or a mobile service data of the base layer and at least one enhancement layer, wherein each layer is specified by a layer identifier, wherein a layer identifier value of the base layer is set to 0 and a layer identifier value of the at least one enhancement layer starts from 1; and encoding signaling data, wherein the signaling data includes fast information channel (FIC) data and transmission parameter channel (TPC) data, and the FIC data includes information for rapid mobile service acquisition. | 2012-09-27 |
20120243619 | APPARATUS PROCESSING VIDEO STREAM - An apparatus processing a video stream includes a CPU, a memory access controller reading stream data from an external memory, a buffer storing the stream data, and a hardware accelerator decoding the stream data. The hardware accelerator includes a plurality of decoders decoding the stream data in accordance with one of a plurality of different video coding standards. | 2012-09-27 |
20120243620 | METHOD AND APPARATUS FOR DIGITAL DATA TRANSMISSION - An expansion of known serial data links, for example ETHERNET, published in IEEE802.3, for directly transmitting random events without having to carry out synchronization with a clock signal or having to wait for a cyclical transmission time. Two different, random events are represented using two differently coded individual pulses and are transmitted in an event-controlled manner. A jitter-free latency of 45 ns between the event and its reception is possible over a line length of 8 m, for example. The expansion is particularly suitable for the short, digital data links between a node and a plurality of modules, as are required in modern electrical discharge machines, machine tools and similar electronic systems. | 2012-09-27 |
20120243621 | Multi-Wideband Communications over Multiple Mediums within a Network - A multi-network interface device comprises a powerline communications interface and at least one other non-power line communications interface configured to communicate over a network. The network may comprise mediums including powerlines, telephone lines, and/or coaxial cables. The multi-network interface device may receive a communications signal via a first medium and transmit the message via a second medium based on a quality of service (QoS) metric. | 2012-09-27 |
20120243622 | METHOD AND APPARATUS FOR IMPROVING THE ERROR RATE OF A SERIAL/DE-SERIAL BACKPLANE CONNECTION - Methods and apparatus that reduce the error rate of a Serial-De-Serial (SerDes) backplane connection are shown. The apparatus may include a receiver verifying a received block of data at the PHY layer. When the received block of data is received correctly, that block can be acknowledged by the receiver to the transmitter, which is also located at the PHY later. Upon detection of an error in a block of data, the receiver may send a negative acknowledge along with the block number, or some other suitable block identifier, of the faulty block to the transmitter. The transmitter may buffer blocks of data, and remove each block from the buffer upon receiving an acknowledgement. Use of the retransmission protocol may be triggered by speed of the connection, the bandwidth of the connection, the detection of too many errors in the connection or any suitable combination of these, or other, parameters. | 2012-09-27 |
20120243623 | ELECTRONIC ASSEMBLY AND OPERATING METHOD - An electronic assembly has a plurality of functional units each including a board element populated with electronic modules. The board elements are connected to one another in terms of signaling via a contact board. An assembly having a high degree of communication flexibility in conjunction with favorable production costs can be provided if it contains a communication unit connected to the contact board directly by data lines. The communication unit is populated with electronic components in such a way that it serves as a communication interface for modules of the board elements. | 2012-09-27 |
20120243624 | TRANSMISSION CONTROLLING METHOD, SENDER APPARATUS AND RECEIVER APPARATUS FOR WIRELESS COMMUNICATION SYSTEM - A transmission controlling method for a wireless communication system wherein a plurality of data blocks can be transmitted from a sender apparatus having a plurality of sending antennas to a receiver apparatus, the transmission controlling method includes on the sender apparatus, sending process information which is not competitive between data blocks to the receiver apparatus with a control channel; and sending the data block to the receiver apparatus; and on the receiver apparatus, receiving the data block and the process information from the sender apparatus. | 2012-09-27 |
20120243625 | TREATMENT PROCESS OF A MULTICARRIER SIGNAL WITH FILTER BANKS FOR SYNCHRONISATION BY PREAMBLE - The invention relates to a treatment process of a signal received from a multi-carrier transmitter ( | 2012-09-27 |
20120243626 | SYSTEM ACCESS AND SYNCHRONIZATION METHODS FOR MIMO OFDM COMMUNICATIONS SYSTEMS AND PHYSICAL LAYER PACKET AND PREAMBLE DESIGN - A method and apparatus are provided for performing acquisition, synchronization and cell selection within an MIMO-OFDM communication system. A coarse synchronization is performed to determine a searching window. A fine synchronization is then performed by measuring correlations between subsets of signal samples, whose first signal sample lies within the searching window, and known values. The correlations are performed in the frequency domain of the received signal. In a multiple-output OFDM system, each antenna of the OFDM transmitter has a unique known value. The known value is transmitted as pairs of consecutive pilot symbols, each pair of pilot symbols being transmitted at the same subset of sub-carrier frequencies within the OFDM frame. | 2012-09-27 |
20120243627 | ADAPTIVE POWER CONTROL DATA TRANSMISSION SYSTEM AND METHODS - Systems and methods of performing power control in combination with AMC are provided. AMC is performed on the basis of an AMC parameter such as CINR. Once the AMC is set to a highest available AMC for transmission to a given receiver, if the CINR indicates that the highest AMC could be transmitted with less transmit power, the power is reduced. For receivers that are not receiving the highest available AMC for that receiver, they may have their transmit power increased. | 2012-09-27 |
20120243628 | RECEPTION DEVICE, RECEPTION METHOD, AND RECEPTION PROGRAM - A channel estimator estimates a channel estimation value. A symbol replica generator generates a symbol replica that is a modulation symbol of the information demodulated. A signal extractor extracts, in a plurality of time durations, each of subcarrier elements of the reception signal from which an interference is cancelled, based on the channel estimation and the symbol replica. A demodulator demodulates signals on the subcarrier elements of the reception signal, based on signals in the plurality of time durations which are extracted by the signal extractor. | 2012-09-27 |
20120243629 | Digital Communications Receiver - A method for a digital Communications receiver. The method comprises receiving a signal transmitted from a transmitter. The transmitted signal includes a first modulated carrier representing one or more data bits and a second modulated modulated carrier optionally representing one or more padding bits only. The padding bits are inserted at the transmitter and have predefined values known to both the transmitter and receiver. The method further comprises determining whether the one or more padding bits were inserted at the transmitter; if so, analysing the second modulated carrier in the received signal, using knowledge of the predetermined values of the one or more padding bits; and, using information determined from the analysis, estimating the values of the one or more data bits from the first modulated carrier. | 2012-09-27 |
20120243630 | METHOD FOR IMPROVING CHANNEL ESTIMATION PERFORMANCE IN DYNAMIC SPECTRUM ACCESS MULTICARRIER SYSTEMS - A method for improving channel estimation performance in dynamic spectrum access multicarrier systems is disclosed. The method includes determining a pattern of pilot symbols to be included in transmitted signals sent from a sender to a receiver through an interference-affected propagation environment by deriving a covariance matrix of interference and white Gaussian noise (R | 2012-09-27 |
20120243631 | SYSTEMS AND METHODS FOR CREATING A DOWNLINK PRECODE FOR COMMUNICATION SYSTEM WITH PER-ANTENNA POWER CONSTRAINTS - Systems and methods for a downlink precode filter directed towards both wired and wireless MIMO communication systems. Systems and methods of the invention can provide close to optimal capacity (similar to the water-filling solution) while requiring power amplifiers associated with transmit antennas to operate at a fixed power level. In particular, systems and methods of this invention can improve the performance of MIMO wireless devices such as 802.11n, WiMax, LTE, LTE-Advanced etc. | 2012-09-27 |
20120243632 | PARTIAL-RATE TRANSFER MODE FOR FIXED-CLOCK-RATE INTERFACE - Systems and methods are provided for a partial-rate transfer mode using fixed-clock-rate interfaces. In the partial-rate mode, each data bit is transmitted consecutively two or more times. The receiver uses a global clock without phase adjustment to detect the replicated incoming bits. As a result, the receiver system can receive data at a partial data rate when the system is locking into the phase of data received from the transmitter. | 2012-09-27 |
20120243633 | Data Encoding Based on Notch Filtering to Prevent Desense - In one embodiment, a data encoder for a component (such as an integrated circuit) may encode data to be transmitted from the component to another component in a system. The encoder may avoid one or more data patterns that, if transmitted by the component, may cause noise to occur at one or more specified frequencies (or frequency bands). The specified frequencies may be frequencies that are in use for wireless communication by the device. By avoiding noise at the specified frequencies, the desense that might otherwise occur may be reduced or eliminated. Quality and speed of the wireless communication may be increased. | 2012-09-27 |
20120243634 | Dual Carrier Modulation - An encoder arranged to encode a data symbol for transmission by means of two carrier signals in accordance with an encoding scheme having the properties that: for a first carrier signal, a plurality of data symbols are mapped to a single modulation point in a constellation of modulation points; and for a second carrier signal, said plurality of data symbols are each mapped to a different modulation point in the constellation of modulation points. | 2012-09-27 |
20120243635 | METHOD OF TRANSMITTING DATA IN A MOBILE COMMUNICATION SYSTEM - Provided is a method for a device to receive a signal for synchronization. The method may include receiving the signal for synchronization as defined by a sequence corresponding to an interleaved concatenation of a first sequence and a second sequence. Components of the first sequence may correspond to odd-th components of the sequence corresponding to the interleaved concatenation. Components of the second sequence may correspond to even-th components corresponding to the interleaved concatenation. The method may also include detecting group identification (ID) that is defined based on a combination of a first ID of the first sequence and a second ID of the second sequence. | 2012-09-27 |
20120243636 | SEMICONDUCTOR DEVICE AND MEMORY SYSTEM - A semiconductor device capable of communicating with a host apparatus includes a symbol generation unit, a coding unit, and a transmission unit. The symbol generation unit includes a random number generation circuit and generates a symbol according to a random number generated by the random number generation circuit. The coding unit performs | 2012-09-27 |
20120243637 | Power Amplification Based on Phase Angle Controlled Frequency Reference Signal and Amplitude Control Signal - Methods and systems for vector combining power amplification are disclosed herein. In one embodiment, a plurality of signals are individually amplified, then summed to form a desired time-varying complex envelope signal. Phase and/or frequency characteristics of one or more of the signals are controlled to provide the desired phase, frequency, and/or amplitude characteristics of the desired time-varying complex envelope signal. In another embodiment, a time-varying complex envelope signal is decomposed into a plurality of constant envelope constituent signals. The constituent signals are amplified equally or substantially equally, and then summed to construct an amplified version of the original time-varying envelope signal. Embodiments also perform frequency up-conversion. | 2012-09-27 |
20120243638 | SYSTEMS FOR COMMUNICATING USING MULTIPLE FREQUENCY BANDS IN A WIRELESS NETWORK - Communication signals using a first and a second frequency band in a wireless network is described herein. The first frequency band may be associated with a first beamwidth while the second frequency band may be associated with a second beamwidth. An apparatus may include receiver circuitry arranged to receive first signals in a first frequency band associated with a first beamwidth and second signals in a second frequency band associated with a second beamwidth, the first signals comprising a frame synchronization parameter and the second signals comprising frame alignment signals. The apparatus may further include processor circuitry coupled to the receiver circuitry, the processor circuitry arranged to activate or deactivate the receiver circuitry to receive the frame alignment signals based on the frame synchronization parameter. Other embodiments may be described and/or claimed. | 2012-09-27 |
20120243639 | DATA COMMUNICATION DEVICE, AIR PRESSURE MONITORING SYSTEM USING THEREOF, AND DATA COMMUNICATION METHOD - A data communication device includes: an antenna resonance circuit; a detection circuit; an arithmetic processing device; and a first switch. The antenna resonance circuit receives a signal in the ASK (Amplitude Shift Keying) format. The detection circuit demodulates a digital baseband signal based on the reception signal. The arithmetic processing device detects an appearance time of an edge in the demodulated digital baseband signal based on a preamble part of the reception signal. The first switch short-circuits both end of the antenna resonance circuit at first timing in synchronization with the appearance time of the edge. | 2012-09-27 |
20120243640 | RECEIVER - A receiver including: an antenna for receiving signals in a plurality of frequency ranges; a plurality of amplifiers, each of the plurality of amplifiers being configured to amplify signals in one of the plurality of frequency ranges; a plurality of receive paths, each of the plurality of receive paths connecting an output of the antenna to an input of one of the plurality of amplifiers, wherein each of the plurality of receive paths includes a power detector for monitoring signal power in the receive path and a switch which can be operated to activate or deactivate the receive path, wherein the switch of each receive path is operable to deactivate the receive path if an overload condition is detected by the power detector of that receive path. | 2012-09-27 |
20120243641 | QUADRATURE SIGNAL PHASE CONTROLLER FOR CONTROLLING PHASE - A quadrature signal phase controller includes a first phase shifter and a second phase shifter. The first phase shifter generates phase shifted first in-phase differential output signals and phase shifted first quadrature-phase differential output signals. The second phase shifter generates phase shifted second in-phase differential output signals and phase shifted second quadrature-phase differential output signals. Each of the first and second phase shifters increases or decreases the phase difference between the first in-phase differential output signals and the second quadrature-phase differential output signals, and the phase difference between the second in-phase differential output signals and the first quadrature-phase differential output signals, in response to a change in a level of the first control signal and a change in a level of the second control signal. | 2012-09-27 |
20120243642 | APPARATUS FOR DECODING GLOBAL NAVIGATION SATELLITE SYSTEMS NAVIGATION DATA AND ASSOCIATED METHOD - An apparatus for decoding GNSS navigation data to generate at least a target string or subframe includes a demodulator and a processing unit. The demodulator is utilized for demodulating a received signal to generate at least a plurality of strings or subframes having a same string index or subframe index. The processing unit is coupled to the demodulator, and is utilized for determining the target string or subframe according to the plurality of strings or subframes. | 2012-09-27 |
20120243643 | APPARATUS AND METHOD OF DIFFERENTIAL IQ FREQUENCY UP-CONVERSION - A balanced transmitter up-converts I and Q baseband signals directly from baseband-to-RF. The up-conversion process is sufficiently linear that no IF processing is required, even in communications applications that have stringent requirements on spectral growth. In operation, the balanced modulator sub-harmonically samples the I and Q baseband signals in a balanced and differential manner, resulting in harmonically rich signal. The harmonically rich signal contains multiple harmonic images that repeat at multiples of the sampling frequency, where each harmonic contains necessary information to reconstruct the I and Q baseband signals. The differential sampling is performed according to control signals that are phase shifted with respect to each other. The control signals may have pulse widths (or apertures) that operate to improve energy transfer to a desired harmonic in the harmonically rich signal. A bandpass filter can then be utilized to select the desired harmonic of interest from the harmonically rich signal. | 2012-09-27 |
20120243644 | RECEPTION APPARATUS AND RECEPTION METHOD - The present invention provides a reception apparatus and reception method that reduce the amount of operation processing, reduce the processing delay and allow high signal separation performance. The reception method of the present invention is characterized by receiving signals including a plurality of codewords transmitted by a plurality of streams and performing maximum likelihood detection-based signal separation in the same codeword in the received signals while performing continuous interference canceller-based signal separation between different codewords. | 2012-09-27 |
20120243645 | DIGITAL RECEIVER FOR REACTIVE RADIO - A digital receiver is disclosed. In one aspect, the receiver includes a receiving module for receiving packetized data. The receive may further include a first processing module for packet detection having a first programmable processor. The receiver may further include a second processing module for demodulation and packet decoding having a second programmable processor. The receiver may further include a first digital receive controller having a third processor arranged for being notified of detection of data by the first processing module and for activating the second processing module. | 2012-09-27 |
20120243646 | FREQUENCY OFFSET COMPENSATION APPARATUS - According to one embodiment, a frequency offset compensation apparatus includes a first estimation unit, a second estimation unit, a setting unit, a synthesis unit and a compensation unit. The first estimation unit estimates a first rotation. The second estimation unit estimates a second rotation. The setting unit sets a weighting factor for the second rotation to a first value if a received power is less than a threshold value, and sets the weighting factor for the rotation to a second value being smaller than the first value if the received power is not less than the threshold value. The synthesis unit calculates a compensation value. The compensation unit compensates for a frequency offset. | 2012-09-27 |
20120243647 | SYNCHRONOUS DETECTION METHOD AND DEVICE - In a synchronous detection of an OFDM signal as an input signal composed of carrier waves, a clock generation part generates clock signals CK | 2012-09-27 |
20120243648 | Characterization and assessment of communication channel average group delay variation - Characterization and assessment of communication channel average group delay variation. A signal having repeated signal components therein is received by a communication device, and that signal undergoes appropriate processing to determine respective amplitude and phase of a number of frequency bins. The phase difference from bin to bin (including respecting unwrapping, and proper normalization) is used to determine the group delay of a communication channel, or portion thereof, as a function of frequency. Multiple respective group delay measurements may be averaged to generate a wideband group delay of the communication channel as a function of frequency. Overlap between different respective band-edge portions of the communication channel may assist in generating a seamless continuous wideband spectrum estimation for use in determining the wideband group delay of the communication channel. | 2012-09-27 |
20120243649 | IN-REACTOR WORK SYSTEM AND IN-REACTOR WORK METHOD - According to an embodiment, an in-reactor operation system which is provided with a crack detection vehicle that moves in a circumferential direction along an outer surface of a shroud disposed in a reactor pressure vessel with the axis vertical, an inspection/check sensor that is mounted on the crack detection vehicle and performs an operation with respect to the shroud, a vehicle positioning mast for setting an initial position of the crack detection vehicle on the shroud, a vehicle fixation mechanism for attaching and detaching the crack detection vehicle to and from the vehicle positioning mast, and a conveyance vehicle for conveying the vehicle positioning mast on which the crack detection vehicle is mounted into the reactor pressure vessel. | 2012-09-27 |
20120243650 | NUCLEAR INSTALLATION - A nuclear installation | 2012-09-27 |
20120243651 | EMERGENCY CORE COOLING SYSTEM FOR PRESSURIZED WATER REACTOR - A pressurized water nuclear reactor (PWR) has an internal pressurizer volume containing a steam bubble and is surrounded by a containment structure. A condenser is disposed inside the containment structure and is operatively connected with an external heat sink disposed outside of the containment structure. A valve assembly operatively connects the PWR with the condenser responsive to an abnormal operation signal such that the condenser condenses steam from the steam bubble while rejecting heat to the external heat sink and returns the condensed water to the PWR. A quench tank contains water with dissolved neutron poison. A valved tank pressurizing path selectively connects the steam bubble to the quench tank to pressurize the quench tank, and a valved soluble poison delivery path selectively connects the quench tank to the PWR such that the quench tank under pressure from the steam bubble discharges water with dissolved neutron poison into the PWR. | 2012-09-27 |
20120243652 | BWR NUCLEAR FUEL ASSEMBLY WITH NON-RETAINED PARTIAL LENGTH FUEL RODS - A nuclear fuel assembly for a boiling water reactor is provided. The nuclear fuel assembly includes a base, a head and a bundle of full length fuel rods and partial length fuel rods. The bundle extends longitudinally between the base and the head, at least one partial length fuel rod having a lower end received in a housing provided in the base and delimited by a closed bottom larger than the lower end. The housing is further delimited by a peripheral wall surrounding the lower end and the partial length fuel rod rests freely on the bottom. | 2012-09-27 |
20120243653 | CONTROL ROD FOR BOILING WATER REACTOR AND METHOD OF MANUFACTURING CONTROL ROD - A control rod has four blades, each of which has a rectangular cross section in a plane perpendicular to an axis of the control rod, disposed so as to form a cross-shaped cross section in the plane perpendicular to the axis. The blades include a plurality of aligned square tubes having a square cross section in a plane perpendicular to the axis and including a neutron absorber filling hole filled with neutron absorber, frame plates disposed parallel to the aligned square tubes in a direction perpendicular to a width direction of the blade, and on one side end and another side end of the blade in the width direction, respectively, and cover plates disposed along the width direction and sandwiching the aligned square tubes. Each blade has the aligned square tubes, the frame plates and the cover plates joined together as a single-piece construction by Hot Isostatic Pressing diffusion bonding. | 2012-09-27 |
20120243654 | Methods for Interrupted Counting of Particles in Cells - A method executed by a circuit for counting electrons in storage cells in an array of at least two storage cells is provided. The method includes providing a storage array of at least two storage cells, and each of said at least two storage cells containing an unknown amount of electrons. A receiving array of at least two receiving cells is provided, where said at least two receiving cells initially contain no electrons. Then, extracting a layer of said electrons from said storage array of cells and inserting said layer into corresponding locations in said receiving array. The method then repeats said steps of extracting and inserting while at least one of said at least two storage cells is not empty. The method counts, for each said storage cell in said storage array, a productive-extraction amount. | 2012-09-27 |
20120243655 | X-RAY CT APPARATUS - There is provided an X-ray CT apparatus that allows easy and correct confirmation of to which position a bed can be moved and which region can be imaged. | 2012-09-27 |
20120243656 | COMPUTED TOMOGRAPHY APPARATUS FOR GEOLOGICAL RESOURCE CORE ANALYSIS - A computed tomography apparatus for geological resource core analysis, more particularly to a computed tomography apparatus for geological resource core analysis in that it can conveniently utilize a computed tomography apparatus for industrial use, the movement between the CT beam transmitter and the detector is decreased, thereby performing an accurate measurement and breaking down infrequently, and especially, it can easily perform a CT scan on a cylinder type (or rod shape) sample having a very long major axis such as a geological resource core sample. | 2012-09-27 |
20120243657 | Fixed Anterior Gantry CT Shielding - A radiation shield is fixed to scanning equipment at a location that attenuates a moving beam of radiation only while the beam passes over a relatively vulnerable portion, especially anterior portion, of the patient's body. Such an in-plane shield can be selective as to radiation wavelength attenuation. As an example, for scanners that use X-rays, the low energy portion of the spectrum can be selectively blocked while the high energy portion of the spectrum passes through to the patient and detector. When embodied in a CT X-ray scanner, the selective attenuation can be achieved with a thin slice bismuth shield/filter permanently installed on at least the anterior quadrant of the gantry, preferably on a span of approximately about 140 deg. in registry with the circular path of the source. | 2012-09-27 |
20120243658 | PHASE CONTRAST IMAGING - X-ray devices for Phase Contrast Imaging (PCI) are often built up with the help of gratings. For large field-of-views (FOV), production cost and complexity of these gratings could increase significantly as they need to have a focused geometry. Instead of a pure PCI with a large FOV, this invention suggests to combine a traditional absorption X-ray-imaging system with large-FOV with an insertable low-cost PCI system with small-FOV, The invention supports the user to direct the PCI system with reduced FOV to a region that he regards as most interesting for performing a PCI scan thus eliminating X-ray dose exposure for scanning regions not interesting for a radiologist. The PCI scan may be generated on the basis of local tomography. | 2012-09-27 |
20120243659 | ARC-SHAPED MEDICAL IMAGING EQUIPMENT - Medical imaging equipment is provided. The medical imaging equipment comprises a support assembly, an arc-shaped member slidably mounted on the support assembly, a radiation source mounted on the arc-shaped member in the vicinity of a first distal end of the arc-shaped member and being oriented to radiate along the direction of an imaging axis, and a detector mounted on the arc-shaped member in the vicinity of the second distal end of the arc-shaped member and being oriented to face the source along the imaging axis, wherein the radiation source and the detector are respectively mounted on one side and the other of the mid plane of the arc-shaped member. | 2012-09-27 |
20120243660 | Method For Correcting Detector Data Of An X-Ray Detector And X-Ray Recording System - In a method, with a current measurement, the history of the radiation exposure of the X-ray detector is taken into account with respect to the overall X-ray detector or subareas of the X-ray detector, in respect of a reduction in the measurement sensitivity produced as a result and a recovery of the reduction in the measurement sensitivity, and the determined measuring signal is corrected with a correction factor which is dependent on the history of the radiation exposure. Furthermore, an X-ray recording system includes a detector which includes a plurality of detector elements, which are read out in groups channel by channel and a read-out apparatus with computer-assisted device for correcting read-out detector data prior to a further processing of the detector data to form projective or tomographic images. | 2012-09-27 |
20120243661 | DATA ACQUIRED SYSTEM AND CT APPARATUS USING THE SAME - A data acquired system is provided. The data acquired system includes a main structure with a cavity formed therein, the cavity having a bottom for mounting a circuit board with electrical components thereto, a fan assembly disposed on the main structure, and an airflow guide disposed within the cavity and configured to guide airflow from the fan assembly for heat dissipation of the electrical components, the airflow guide positioned at a distance above the electrical components to form a gap between the airflow guide and the electrical components, wherein a sidewall of the cavity is provided with an air vent corresponding to the gap such that the airflow passes through the gap and is discharged from the air vent. | 2012-09-27 |
20120243662 | APPARATUS FOR PROVIDING DENTAL RADIOLOGY IMAGE AND METHOD CEPHALOMETRIC - A dental x-ray unit comprising: an X-ray generator adapted to generate an X-ray beam in the direction of a patient's head, means of collimation adapted to confer given dimensions to the generated X-ray beam; a sensor placed facing the generator, receiving the radiologic projection of the collimated beam having irradiated the patient's head and supplying a cephalometric image of the patient's head, characterized in that the device includes: the means to acquire at least one photographic image of the patient's head, the means of automatic control for the means of collimation according to the at least one photographic image so that the dimensions of the collimated X-ray beam are adjusted to the dimensions of the patient's head. | 2012-09-27 |
20120243663 | X-RAY IMAGING SYSTEM, METHOD OF CONTROLLING X-RAY IMAGING SYSTEM, INFORMATION PROCESSING APPARATUS, AND X-RAY IMAGING APPARATUS - An X-ray imaging system comprising an X-ray imaging apparatus which captures an X-ray image and an information processing apparatus which receives and composes the X-ray image, the X-ray imaging apparatus comprising a transmission unit configured to segment a X-ray image into images and sequentially transmit the images, and the information processing apparatus comprising a reception/composition unit configured to sequentially receive and compose the X-ray images, a determination unit configured to determine, every time the X-ray images are sequentially composed, whether a resolution of the composed X-ray image is not less than a predetermined value, and a display control unit configured to perform control to display the composed X-ray image on a display unit, when the determination unit determines that the resolution is not less than the predetermined value. | 2012-09-27 |
20120243664 | X-RAY IMAGING APPARATUS, METHOD FOR X-RAY IMAGING APPARATUS AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM - An X-ray imaging apparatus comprises: an obtaining unit configured to obtain an operational state of a connected apparatus; and a display control unit configured to control a transition to a hide display state in accordance with the obtained operational state, wherein the hide display state comprises performing display while hiding at least part of information displayed on a display device. | 2012-09-27 |
20120243665 | DIGITAL X-RAY IMAGE CAPTURING DEVICE - Disclosed is a digital X-ray image capturing device for easy mobility, including: a cassette having a built-in image plate; an image plate transfer device for taking the image plate out of the cassette and transferring the same to a scanning point; an image scanning device for scanning an X-ray latent image of the image plate by irradiating laser beams to the scanning point; an internal body including the image plate transfer device and the image scanning device; and an external housing surrounding the internal body. The image plate transfer device includes: a scan drum having a fastening means on a surface thereof, the fastening means being combined with an end of the image plate; at least one roller installed near the scan drum to closely wind the image plate on the surface of the scan drum; and an electric power means for applying torque to the scan drum. The slide mounting type or up-mounting type of cassette can be attached to the image plate transfer device. | 2012-09-27 |
20120243666 | LIGHTING APPARATUS FOR A C-ARM X-RAY MACHINE - A lighting apparatus for a C-arm X-ray apparatus is disclosed. The lighting apparatus comprises a housing that surrounds an X-ray receiving element of the X-ray fluoroscope and does not cover a receiving face of the X-ray receiving element. The lighting apparatus further comprises at least one light-emitting element positioned within the housing so as to surround the X-ray receiving element, the at least one light-emitting element being configured for emitting visible light downwards towards an X-ray emitting element of the X-ray fluoroscope. The lighting apparatus further comprises a focusing mechanism that allows for focusing of the light emitted, a fastener for coupling the housing to the X-ray receiving element and a power supply unit for providing an electrical current to the at least one light-emitting element. | 2012-09-27 |
20120243667 | LIGHT FOR X-RAY IMAGING SYSTEM - Systems and methods for making and using a light with an X-ray imaging arm are described. The light can be configured to have a light source that is disposed around at least a portion of a perimeter of an X-ray imaging arm's X-ray source and/or X-ray detector. The light source can be positioned to direct its light to a field of view that is located between the X-ray source and the X-ray detector. The light can comprise a light source, a switching mechanism, and wiring to connect the light source and switching mechanism to a power source, such as a battery. The light can be electrically connected into the imaging arm or can be part of an accessory that can be retrofitted to the imaging arm. Other embodiments are described. | 2012-09-27 |
20120243668 | System and Method for Evaluating and Troubleshooting a Digital Subscriber Line System - Disclosed is a method and system for evaluating and troubleshooting a DSL system in a plurality of DSL systems having a common static characteristic. The plurality of DSL systems are ranked based on a ranking characteristic different than the common static characteristic. | 2012-09-27 |
20120243669 | SYSTEM AND METHOD FOR AUTOMATICALLY TRANSCRIBING VOICEMAIL - Disclosed herein are systems, computer-implemented methods, and tangible computer-readable media for automatically transcribing voicemail. The method includes receiving a plurality of voicemail messages from callers, identifying for each voicemail message in the plurality of voicemail messages a first frequency with which the respective caller leaves voicemails, identifying for each voicemail message in the plurality of voicemail messages a second frequency with which a user requests transcription of each voicemail, assigning a priority ranking to each voicemail message in the plurality of voicemail messages based on the respective first frequency and the respective second frequency, and transcribing untranscribed voicemail messages with a highest priority ranking. The method can include establishing a priority ranking threshold and repeatedly transcribing a next highest ranking untranscribed voicemail message until no further untranscribed voicemail messages remain above the priority ranking threshold. | 2012-09-27 |
20120243670 | Automatically Updating Meeting Information - Techniques for automatically providing updated meeting information are provided. The techniques include facilitating receipt of a message pertaining to a meeting, automatically interpreting the message to determine if the message requires that meeting information be changed, automatically updating the meeting information if a change is required from the message, and automatically sending a message to each meeting participant informing each participant of the updated meeting information. | 2012-09-27 |
20120243671 | ENHANCED DIRECTORY ASSISTANCE SYSTEM WITH VOICE OVER IP CALL HANDLING - A method for operating a directory assistance system responsive to Voice over IP device requests including receiving a first directory assistance request from at least one Voice over IP device and identifying the requested information on a database. The requested information is formatted in the database in accordance with a format required by the Voice over IP device and is then a notification message is transmitted to indicating its availability. A second request is received from the Voice over IP device for retrieval of the formatted requested information, which is in turn transmitted to the Voice over IP device via the web server. | 2012-09-27 |
20120243672 | System and Method for Delivering Advertising to Packet-Based Telephones - A system and method of delivering targeted advertising to packet-based network telecommunications devices may include accessing a database configured to store telephone services information of telecommunications devices. The telecommunications services information may indicate whether a telecommunications device has packet-based network access. Telecommunications devices that have telephone number information including NPA-NXX of a certain NPA-NXX code and packet-based network access may be identified. Advertising content may be communicated to the identified telecommunications devices for display on the telecommunications device. | 2012-09-27 |
20120243673 | AUTOMATIC REJOINING OF CONFERENCES - Users are enabled to re-join a conference after an intentional or unintentional disconnect based on detecting the user's identifier. An identifier associated with a user such as a caller id number is determined or a cookie installed in the user's computing device facilitating communications when the user first joins a conference. If the user's connection to the conference is severed intentionally or unintentionally, and the user attempts to connect again, the system may prompt the user whether they want to join the same conference or another conference. If the user confirms their desire to join the same conference, the system may connect them without the user having to enter conference identifier, password, or similar information. | 2012-09-27 |
20120243674 | LOCATION SYSTEM AND METHOD FOR ASSISTING EMERGENCY SERVICES IN IDENTIFYING THE PHYSICAL LOCATION OF AN IP TELEPHONY USER - A location device for associating a physical location with a communications device. The communications device has assigned device identification and uses an assigned network address for use in routing call data over a communications network. The location device comprises a memory for storing location information related to the physical location and a device port for coupling to the communications device and a network port for coupling to the communications network. The ports are configured for communicating the call data between the ports. The device also has a monitoring module configured for monitoring operation of at least one of the ports in order to detect an initialization process of the communications device, as well as to identify the assigned device identification. The device also has a location registration module configured for communicating a location update message over the communications network via the network port in response to the detected initialization process, such that the location update message including the location information and the identified device identification. | 2012-09-27 |
20120243675 | Method for Announcing a Calling Party From a Communication Device - A system and method are disclosed for announcing a calling party from a communication device. A system that incorporates teachings of the present disclosure may include, for example, a call processing system can have a controller for processing calls in a communication system. The controller can be programmed to detect an incoming call initiated by a third party communication device over a first voice channel, transmit to a communication device over a control channel a notification signal associated with the incoming call, detect a connection made by the communication device to a second voice channel, transmit to the communication device over the second voice channel audio signals that identify a calling party, and link the first and second voice channels upon detecting over the control channel a call acceptance action by the communication device. Additional embodiments are disclosed. | 2012-09-27 |
20120243676 | Method and System for Echo Cancellation in Presence of Streamed Audio - During playing of a streamed audio while engaging in a voice communication session, a communication device may be operable to generate a background audio during an echo cancellation operation for the voice communication session, using known information associated with the streamed audio. The streamed audio may comprise audio content that is received from one or more external sources and/or locally generated within the communication device. The known information associated with the streamed audio may comprise an echo replica corresponding to an echo associated with the streamed audio and/or a modified version of the streamed audio. In instances when a residual echo suppression is operational during the echo cancellation operation, the communication device may be operable to suppress a residual echo based on a signal level of the echo replica corresponding to the echo associated with the streamed audio and/or a signal level of the modified version of the streamed audio. | 2012-09-27 |
20120243677 | HANDSET UNIT AND TELEPHONE DEVICE - A telephone device having barcode scanning capability includes: a control module, a display unit, and a handset. The control module has a database and a processor electrically connected to the database. The display unit is electrically connected to the processor of the control module. The handset unit has a housing, a telephone module, a scanner, a switch, and a transmitter module, wherein the telephone module, the scanner, the switch and the transmitter module are disposed in the housing. The housing has a scanning port formed thereof. The telephone module has a listening component and a speaking component. The scanner has an optical reading unit corresponding to the scanning port of the housing. The switch is selectivity conducting to the telephone module or the scanner. The transmitter module is electrically connecting to the processor of the control module and the switch. Thus, the telephone device has scanning and communicating functions. | 2012-09-27 |
20120243678 | DATA PROTECTION USING DISTRIBUTED SECURITY KEY - For protecting data stored in an electronic device, an inner security key encrypting and decrypting data stored in the electronic device is encrypted with an outer security key. The outer security key is stored on an external memory to be coupled to the electronic device. The outer security key is generated from at least a unique identifier of the electronic device, a unique identifier of the external memory device, and a personal identification number. Additional constituents of the outer security key may be provided, e.g., an identifier of an auxiliary device to be coupled to the electronic device. | 2012-09-27 |
20120243679 | VERIFICATION DEVICE, SECRET INFORMATION RESTORATION DEVICE, VERIFICATION METHOD, PROGRAM, AND SECRET SHARING SYSTEM - A verification device, upon the input of any k items of shared information among n items of shared information and “t”: generates as subsets all combinations that select r items of shared information among the k items of shared information received as input where r satisfies r≧t+2; for each of the subsets, uses the cheater-identification information belonging to the subset to judge whether dishonest shared information is included in the subset; and based on the judgment results, generates and supplies as output a cheater set indicating dishonest shared information among the k items of shared information. | 2012-09-27 |
20120243680 | INCORPORATING DATA INTO AN ECDSA SIGNATURE COMPONENT - During generation of a signature on a message to create a signed message, a signer determines one of the signature components such that particular information can be extracted from the signature component. The particular information may be related to one or more of the signer and the message to be signed. After receiving a signed message purported to be signed by the signer, a verifier can extract the particular information from the signature component. | 2012-09-27 |
20120243681 | SECURE COMMUNICATION SYSTEM - A method of encrypting data to be accessed only by a group of users comprises a user in the group receiving a user secret s | 2012-09-27 |
20120243682 | METHOD AND SYSTEM FOR TRANSMITTING DATA FROM A FIRST DATA PROCESSING DEVICE TO A SECOND DATA PROCESSING DEVICE - A method and a system for transmitting data from a first data processing device to a second data processing device, wherein the first data processing device has a display device. The second data processing device generates an encrypted input mask and transmits it to the first data processing device which displays it. The encrypted input mask is decrypted by being viewed through an optical filter having a decryption pattern, and the data to be transmitted are input to the first data processing device using the input mask that has been decrypted by the optical filter and are transmitted to the second data processing device. | 2012-09-27 |
20120243683 | NODE AND GROUP KEY UPDATING METHOD - According to one embodiment, a node that is a root node of a network forming a directed acyclic graph topology, which is composed of plural nodes including the node serving as the root node and having a parent-child relationship among nodes of adjacent hierarchies, includes a generating unit, an encrypting unit, and a transmitting unit. The generating unit generates a group key, and a list indicating a first node to which a distribution of the group key is inhibited. The encrypting unit encrypts the group key so as to be capable of being decrypted by a first child node other than the first node out of the child nodes of the root node. The transmitting unit transmits a first message, including an encrypted group key, which is the group key that is encrypted with respect to the first child node, and the list. | 2012-09-27 |
20120243684 | CONTENT DATA REPRODUCTION SYSTEM AND COLLECTION SYSTEM OF USE HISTORY THEREOF - According to one embodiment, a content data reproduction system includes a host device which uses content data, and a storage device configured such that content data, which is obtained by decrypting encrypted content data that is created by encrypting the content data by content key data, is made usable in the host device. The host device includes a device ID which is uniquely allocated to each of host devices. The storage device includes a memory and a controller configured to control the memory. | 2012-09-27 |
20120243685 | ROOT NODE AND A COMPUTER READABLE MEDIUM - A wireless mesh network includes a plurality of nodes to which a device key is assigned. The device key belongs to one of a plurality of groups. In a root node, a correspondence relationship between the nodes and the device key thereof, and a correspondence relationship between past join nodes and a device key thereof, are stored. When a new node in the wireless mesh network is detected as a past join node, the device key assigned to the past join node is assigned to the new node again. When the new node is not the past join node, a new device key is assigned to the new node. A cipher text is generated by encrypting a message using device keys assigned to the nodes and the new node. If the number of groups to which the device keys belong is fewer, a size of the cipher text is smaller. | 2012-09-27 |
20120243686 | System and Method for Remote Asset Managment - A remote asset management system comprising a network of programmable wireless modules, each having an antenna and an identification module and configured to communicate via a radio communication protocol. The system further includes a plurality of assets each linked to one of the wireless modules and configured to be managed by the linked wireless module. A remote system server service platform is configured to receive remote asset data from the wireless modules, pass the remote asset data to and from the wireless modules, send messages to at least one of the wireless modules, monitor the wireless modules by requesting and receiving current mode information, and remotely program the wireless modules. A data processing module located within the wireless module(s) and configured to process messages received by the wireless module, authenticate said message, analyze authenticated messages, and carry out asset management instructions included in the message. | 2012-09-27 |
20120243687 | ENCRYPTION KEY FRAGMENT DISTRIBUTION - An encryption key may be fragmented into n encryption key fragments such that k2012-09-27 | |
20120243688 | METHOD AND SYSTEM FOR DELETING DATA - A computer system having at least first and second documents, a plurality of decryption keys, and a plurality of data segments stored therein is provided. Each of the plurality of data segments is decryptable by a selected one of the decryption keys. The decryption keys include a first set of decryption keys associated with the first document and not associated with the second document, a second set of decryption keys associated with the second document and not associated with the first document, and a third set of decryption keys associated with the first document and the second document. The first document is deleted, and in response, the first set of decryption keys is rendered unusable, and the second set of decryption keys and the third set of decryption keys are not rendered unusable. | 2012-09-27 |
20120243689 | APPARATUS FOR CONTROLLING DEPTH/DISTANCE OF SOUND AND METHOD THEREOF - An apparatus for controlling depth/distance of sound and method thereof are disclosed, by which an audio signal can be outputted to correspond to a depth of an image, i.e., a disparity in displaying a stereoscopic image. The present invention includes extracting at least one object from an image, measuring a depth change value in accordance with a motion of the object within the image, and changing a depth/distance level of the sound based on the depth change value of the object. | 2012-09-27 |
20120243690 | APPARATUS FOR PROVIDING AN UPMIX SIGNAL REPRESENTATION ON THE BASIS OF A DOWNMIX SIGNAL REPRESENTATION, APPARATUS FOR PROVIDING A BITSTREAM REPRESENTING A MULTI-CHANNEL AUDIO SIGNAL, METHODS, COMPUTER PROGRAM AND BITSTREAM USING A DISTORTION CONTROL SIGNALING - An apparatus for providing an upmix signal representation on the basis of a downmix signal representation and an object-related parametric information, which are included in a bitstream representation of an audio content, and in dependence on a rendering information, has a distortion limiter configured to adjust upmix parameters using a distortion control scheme to avoid or limit audible distortions which are caused by an inappropriate choice of rendering parameters. The distortion limiter is configured to obtain a distortion limitation control parameter, which is included in the bitstream representation of the audio content, and to adjust a distortion control scheme in dependence on the distortion limitation control parameter. | 2012-09-27 |
20120243691 | WIRELESS HEADSET DEVICE CAPABLE OF PROVIDING BALANCED STEREO AND METHOD THEREOF - A wireless earphone device capable of providing balanced stereo. The wireless headset includes a Bluetooth earphone device, an audio adaptor, and a stereo earphone device for giving balanced sounds on both left and right channels. When the Bluetooth earphone device and the stereo earphone device are connected with the audio adaptor respectively, an audio switching module of the Bluetooth earphone device determines to transmit stereo audio signal with first channel signal and second channel signal to the stereo earphone device through the audio adaptor. Otherwise, only one channel of the stereo audio signal is transmitted from the audio switching module to a mono speaker unit on the Bluetooth earphone device. | 2012-09-27 |
20120243692 | Decoding of Multichannel Audio Encoded Bit Streams Using Adaptive Hybrid Transformation - The processing efficiency of a process used to decode frames of an enhanced AC-3 bit stream is improved by processing each audio block in a frame only once. Audio blocks of encoded data are decoded in block order rather than in channel order. Exemplary decoding processes for enhanced bit stream coding features such as adaptive hybrid transform processing and spectral extension are disclosed. | 2012-09-27 |
20120243693 | METHOD OF PROCESSING A SIGNAL IN A HEARING AID, A METHOD OF FITTING A HEARING AID AND A HEARING AID - A method comprises deriving a control signal ( | 2012-09-27 |
20120243694 | SYSTEMS AND METHODS FOR SEGMENTING AND/OR CLASSIFYING AN AUDIO SIGNAL FROM TRANSFORMED AUDIO INFORMATION - A system and method may be provided to segment and/or classify an audio signal from transformed audio information. Transformed audio information representing a sound may be obtained. The transformed audio information may specify magnitude of a coefficient related to energy amplitude as a function of frequency for the audio signal and time. Features associated with the audio signal may be obtained from the transformed audio information. Individual ones of the features may be associated with a feature score relative to a predetermined speaker model. An aggregate score may be obtained based on the feature scores according to a weighting scheme. The weighting scheme may be associated with a noise and/or SNR estimation. The aggregate score may be used for segmentation to identify portions of the audio signal containing speech of one or more different speakers. For classification, the aggregate score may be used to determine a likely speaker model to identify a source of the sound in the audio signal. | 2012-09-27 |
20120243695 | METHOD AND APPARATUS FOR ESTIMATING SPECTRUM DENSITY OF DIFFUSED NOISE - Provided are a method for estimating a spectrum density of diffused noises. Also provided is a processor for implementing the method. The processor includes at least two sound receiving units and a spectrum density estimating unit for estimating spectrum density. | 2012-09-27 |
20120243696 | Supervisory Method and Apparatus for Audio Input Path - A supervisory apparatus and method are useable with personal, or micro-computers. A passive module can be coupled to a computer sound card. The module can be coupled to a speaker and a microphone. The speaker can emit a supervisory audio signal generated by the sound card. The microphone can sense and feedback the supervisory signal. Where no supervisory audio has been detected during a pre-set time interval, an audio path failure can be reported. | 2012-09-27 |
20120243697 | MULTIPLE SUPERIMPOSED AUDIO FREQUENCY TEST SYSTEM AND SOUND CHAMBER WITH ATTENUATED ECHO PROPERTIES - A composite sound dampening structure includes a first base layer of sound dampening material extending around and against an inside surface of a container and a second wedge layer of sound dampening material attached to an inside surface of the first base layer. The composite sound dampening structure provides improved acoustic dampening in relative small sound chambers. An audio test system generates a composite audio signal of multiple different audio signals that are combined together using linear superposition. The composite audio signal allows a device to be simultaneously tested with multiple different audio frequencies. | 2012-09-27 |
20120243698 | Dynamic Beamformer Processing for Acoustic Echo Cancellation in Systems with High Acoustic Coupling - Near-end equipment for a communication channel with far-end equipment. The near-end equipment includes at least one loudspeaker, at least two microphones, a beamformer, and an echo canceller. The communication channel may be in one of a number of communication states including Near-End Only state, Far-End Only state, and Double-Talk state. In one embodiment, when the echo canceller determines that the communication channel is in either the Far-End Only state or the Double-Talk state, the beamformer is configured to generate a nearfield beampattern signal that directs a null towards a loudspeaker. When the echo canceller detects the Near-End Only state, the beamformer is configured to generate a farfield beampattern signal that optimizes reception of acoustic signals from the near-end audio source. Using different beamformer processing for different communication states allows echo cancellation processing to be more successful at reducing echo in the signal transmitted to the far-end equipment. | 2012-09-27 |
20120243699 | EAR CANAL TRANSDUCER MOUNTING SYSTEM - An ear-canal mounted sound transducer system comprises a miniature sound transducer mounted in a soft, acoustically transparent material, and is suitable for shallow, semi-deep or deep placement inside the ear canal of a user, and for use with or without a personal hearing protective device. The sound transducer may be a microphone or a speaker, and is optionally attached to a flat flexible cable, connected to an analyzer or a signal source. Also provided is an improved method for measuring level of noise attenuation using the ear-canal mounted sound microphone. | 2012-09-27 |
20120243700 | EARMUFF ENCLOSURE - Embodiments relate to earmuffs with speakers, and attempt to improve speaker acoustic quality without negatively impacting sound attenuation of the earmuffs. Embodiments may comprise a speaker plate located behind a speaker unit, and typically the speaker plate comprises a recessed portion with a plurality of holes. When the speaker plate is in place behind the speaker unit, it may cause the speaker to be more accurate across a broad range of frequencies without negatively impacting sound attenuation. | 2012-09-27 |
20120243701 | Concha-Fitting Custom Earplug with Flexible Skin and Filler Material - An earplug which conforms to the concha of the ear and extends into the ear canal. The construction consists of a flexible outer skin with at least one filler material, preferably two or more materials of varying hardness, to form an essentially solid structure except for sound channels, or electronics packages, or other devices, parts and cavities that may be located within the flexible skin. The flexible skin can be fabricated using a rapid-prototyping printing process. | 2012-09-27 |
20120243702 | METHOD AND ARRANGEMENT FOR PROCESSING OF AUDIO SIGNALS - Method and arrangement in an audio handling entity, for damping of dominant frequencies in a time segment of an audio signal. A time segment of an audio signal is obtained, and an estimate of the spectral density or “spectrum” of the time segment is derived. An approximation of the estimate is derived by smoothing the estimate, and a frequency mask is derived by inverting the approximation. An emphasized damping is assigned to the frequency mask in a predefined frequency range, as compared to the damping outside the predefined frequency range. Frequencies comprised in the audio time segment are then damped based on the frequency mask. The method and arrangement involves no multi-band filtering or selection of attack and release times. | 2012-09-27 |
20120243703 | Headphone structure - A headphone structure includes a first earpiece, a second earpiece, a pair of conductive head strips, a signal input cable, and an electrical plug. The conductive head strips are each electrically connected between the first and the second earpieces, and are each coated externally with an insulation layer. The signal input cable includes a first end electrically connected to the first earpiece, and a second end electrically connected to the electrical plug. Thereby, the headphone structure not only has merits on being as a one-side cable-out headphone so as to avoid time-consuming cable embedment and wiring, but also on eliminating use of a plastic headband by instead using directly the conductive head strips as a headset. | 2012-09-27 |
20120243704 | Headset With Turnable Ear Hook With Two Off Positions - A headset ( | 2012-09-27 |