16th week of 2009 patent applcation highlights part 20 |
Patent application number | Title | Published |
20090096623 | FLEXIBLE LIGHT CONTROL TOPOLOGY - A controls application where distributed wireless devices will be operated through a central processing device if the wireless network is reliably available and where the devices will operate with a local and configurable application during times when the wireless network is not available. | 2009-04-16 |
20090096624 | Vehicle seatbelt usage external indicator system - A seat belt usage indicator having a seat occupied sensor and a seat belt reel sensor with an externally mounted indicator light. The seat belt usage indicator system has a sensor positioned in each seat and a seat belt reel sensor corresponding to each seat such that the external indicator light can only be deactivated when the seat belt corresponding to an occupied seat is engaged. To ensure reliability, a plurality of surge absorbing devices which protect the circuitry from any voltage spikes that may occur due to static electricity or other disturbances in the vehicle's electrical system, are provided. Also provided are a plurality of resistors which prevent damage to the device by limiting current. In this manner, a reliable and tamper-resistant seat belt usage indicator system is provided. | 2009-04-16 |
20090096625 | LOAD DETECTOR FOR A DIMMER - Disclosed is a circuit for detecting the presence of an inductive load. The circuit uses a voltage ringing detector to detect a voltage ringing signal across the inductive load and a signal generator for generating a signal indicating the presence of the inductive load upon detection of the ringing signal. The circuit may be used in a dimmer circuit for controlling the load. The circuit may be used as a load detector for a universal dimmer or may be used in a protection circuit for circuits not designed to control inductive loads. | 2009-04-16 |
20090096626 | CONFIRMING SECURITY OF PERSONAL ITEMS DURING A POINT OF SALE TRANSACTION - Confirming security of personal items belonging to a shopper during a point of sale transaction includes sensing, via a processor responsive to executable code, a signal of a weight sensor indicative of a weight of the personal items belonging to the shopper placed upon an interface of a security monitor of a point of sale checkout device and, in response to sensing a change in the signal of the weight sensor indicative of a removal of the personal items belonging to the shopper during the point of sale transaction, activating an alarm. An alarm is also activated in response to sensing a continued state of the signal of the weight sensor following the point of sale transaction. | 2009-04-16 |
20090096627 | Bearing Monitoring Method - A method for monitoring a bearing is disclosed. The method involves positioning a non-contacting bearing isolator adjacent a bearing on a piece of rotating equipment so that at least one operating parameter of said bearing is communicated to said bearing isolator; and, positioning an energy detector within range of said bearing isolator so that said energy detector is able to monitor said at least one operating parameter of said bearing by detecting at least one operating parameter of said bearing isolator. | 2009-04-16 |
20090096628 | Purchasing System and Method - Described herein is a system and method for purchasing a particular item located within a store. The system includes an interface device having an input device, and an indicator apparatus having at least one indicator, an indicator corresponding to each item in a collection of items in the store. The system further includes a communication apparatus for communication between the interface device and the indicator apparatus. The input device accepts data associated with the particular item and causes the indicator corresponding thereto to emit a signal indicative of the location of the particular item. | 2009-04-16 |
20090096629 | REUSABLE, HERMETIC, MEDICAL GRADE RFID TAG - An RFID tag includes a circuit board assembly having a circuit board, an RFID circuit, an antenna, and a metallic ground plane. The circuit board has a first side and a second side. The circuit board carries the antenna on the first side and the ground plane on the second side. The RFID circuit is coupled with each of the antenna and the ground plane. A backplane is coupled with the ground plane, on a side of the ground plane opposite the circuit board. An overmolded housing surrounds and hermetically seals the circuit board assembly. The housing is comprised of a material which is both autoclavable and has a low dielectric constant of between approximately 1 to 5. | 2009-04-16 |
20090096630 | LASER LIGHTED GUIDANCE EXIT INDICATOR - A lighted exit sign equipped with laser guidance capability is provided. The laser lighted guidance indicator includes at least one printed circuit (PC) board and associated circuitry for controlling the beam pattern of at least one Light Emitting Diode (LED) laser via at least one reflection device associated with the at least one LED laser. The evacuee is directed towards the exit by following the converging LED laser lights. The lighted exit sign may also include includes a display area and display microprocessor for controlling the display area. The display area may display alternate emergency messages such as “EXIT” and “SALIDA” or other language equivalents. The PC board, laser LEDs and reflectors are enclosed within a waterproof, shockproof, vibration tolerant, and theft deterrent enclosure. | 2009-04-16 |
20090096631 | OPERATING DEVICE FOR OPERATING A MACHINE TOOL, PRODUCTION MACHINE AND/OR A ROBOT - An operating device for operating a machine tool, production machine and/or a robot includes a transparent pane and a display arranged behind the pane. The pane has an edge region projecting beyond the display. The control device includes an indicating device which transmits an indication signal through the edge region. This arrangement simplifies the design of the operating device. | 2009-04-16 |
20090096632 | Synchronization of haptic effect data in a media stream - Haptic information in a series of frames of a media file is identified and time stamps corresponding thereto are determined in accordance with information embedded in a tag either preceding or appending the media file. The haptic effect information is automatically synchronized to the media file based on the information in one or more frames of the tag, whereby an actuator outputs the defined haptic effects in the tag in a manner synchronized with corresponding audio and/or video content of the media file. | 2009-04-16 |
20090096633 | UNIVERSAL REMOTE CONTROL APPARATUS AND METHOD BASED ON SERVICE PROFILES - A universal remote control apparatus and method for controlling various types of devices and equipments, the universal remote control apparatus includes a service profile generator which generates a service profile based on first device information and second device information that are recognized from at least one device, a service profile management unit which stores and manages the generated service profile, a service profile-based control unit which universally controls the at least one device based on the service profile, and a user interface unit which receives from a user a first selection on a first device object corresponding to the first device information and a second selection on a second device object corresponding to the second device information. | 2009-04-16 |
20090096634 | METHOD, SYSTEM AND COMPUTER PROGRAM FOR DRIVING ASSISTANCE AND MONITORING - A data processing method for alerting a first vehicle when entering and/or residing in a blind spot of at least one second vehicle and a system and a computer program implementing such a method. A method in accordance with an embodiment includes: determining and dynamically updating the position of second vehicle, the blind spot of the second vehicle, and the time for the first vehicle to enter the blind spot. An alarm signal is generated when the first vehicle is entering or residing in a blind spot of the second vehicle. The method also includes steps to generate direction for the first vehicle to avoid entering in or to leave the blind spot of the second vehicle. | 2009-04-16 |
20090096635 | Emergency warning system for approach of right of way vehicle - A common inexpensive device such as an automotive internal rear view mirror, cell phone, or CHMBL (center high mounted brake light) incorporates an emergency warning system to detect a predefined signal emitted by an right of way vehicle such as an ambulance, police car, fire engine, or train. The right of way vehicle sends out a specific predefined signal to a predefined area. The specific predefined signal is picked up by a receiver of the present emergency warning system, which is preferably housed in a rear view mirror or cell phone, and which is always on, whether the internal rear view mirror, cell phone, or CHMBL is powered on or powered off. Then, after verification of the specific predefined signal, the internal rear view mirror, cell phone or CHMBL emits a warning, preferably an audio warning from a speaker housed in the internal rear view mirror, cell phone, or CHMBL. The emergency warning system can be incorporated into a telematics unit. | 2009-04-16 |
20090096636 | Incursion Collision Avoidance System for Vehicle Traffic Control - A system to identify junctions of restricted areas to approaching vehicles, including at least one warning signal generator adapted to transmit the warning signal into areas traversed by the vehicles approaching the restricted areas, a receiver in each of the vehicles receiving the transmitted warning signals when the vehicle approaches one of the restricted areas, and an alarm responsive to the warning signal, which produces an alarm signal detectable by a vehicle operator. | 2009-04-16 |
20090096637 | Distributed Mine Management System - A distributed mine management system contains a central computer having a first database controlled by a first controller. At least one mobile computer is in communication with a piece of mobile equipment. Each of the mobile computers has a second database controlled by a second controller. The mobile computers store high, medium and low priority data about the status of the mobile equipment in the second database according to the priority of the information. The mine management system includes a remote worksite computer and an intermittent communication path between the remote worksite computer and the central computer. A wireless communication network enables communication between the first controller and the second controller, wherein said mobile computer is operable independent of the first logic unit. | 2009-04-16 |
20090096638 | ENCODER - An encoder includes an encoder scale having an optical pattern of a prescribed cycle, and an encoder head configured to be displaced relative to the encoder scale. The encoder head includes a reference voltage generating circuit and a changing unit. The reference voltage generating circuit is configured to generate a reference voltage set to the center amplitude of an encoder signal when the output of the encoder is an encoder signal having periodicity of at least one phase. The changing unit is configured to change the reference voltage generated in the reference voltage generating circuit. | 2009-04-16 |
20090096639 | INPUT DEVICE AND PORTABLE TERMINAL HAVING THE SAME - An input device comprises: a circuit board having a magnetism sensing portion for sensing changes of magnetism; a magnet disposed above the circuit board by a prescribed height, and configured to move in a plurality of directions; and a shuttle having a magnet mounting portion for fixing the magnet at the center thereof, and having a plurality of elastic connecting portions radially disposed around the magnet mounting portion, the elastic connecting portions formed in curved lines from the center of the magnet so as to elastically support the magnet mounting portion. | 2009-04-16 |
20090096640 | KEYBOARD WITH PLURAL KEY SWITCH MATRICES TO DETECT GHOSTING - Keyboard apparatus and methods for processing keyboard depressions are disclosed. One disclosed keyboard apparatus includes a keyboard having a plurality of keys configured to be depressed in a concurrent depression state, and a plurality of key switch matrices. Each key switch of the plurality of key switch matrices may be configured to be actuated by a corresponding key of the keyboard. The keyboard apparatus may further include a keyboard controller configured to determine whether a sensed key depression in the concurrent depression state is a ghost key depression, based on sensed key switch states of respective key switches in each of the plurality of key switch matrices which correspond to the sensed key depression. | 2009-04-16 |
20090096641 | ROTARY ACTUATOR AND INPUT DEVICE USING THE SAME - A rotary actuator includes a roller having a center shaft protruding along a center axis, a bearing for supporting the center shaft of the roller to allow the roller to rotate about the center axis, a ring magnet fixed to the center shaft of the roller, an elastic member having a ring shape provided between the center shaft of the roller and the bearing, and a fixed magnet facing the ring magnet. The ring magnet is alternately magnetized to an S-pole and an N-pole with predetermined angular intervals. This rotary actuator has a simple structure and operates with a preferable operation feeling. | 2009-04-16 |
20090096642 | Entropy Codec with Variable Divisor - Data values are encoded for transmission to a recipient on a communication channel. Performance information associated with the encoding or the communication channel is obtained and used at least in part to determine quantization factors used in the encoding. The data values can be scaled based on the quantization factors and ordered based on a probability factor. A portion of the data values can be selected based on content. A code table can be selected based on a variation of the data values, where the code table specifies codewords including at least one of bits representative of a divisor, bits representative of a remainder, and a bit representative of a sign. Codewords can be generated for the data values using the code table. The encoded data values can be transmitted to a recipient where the data values are decoded using a decoder. | 2009-04-16 |
20090096643 | System and Method for Context-Based Adaptive Binary Arithematic Encoding and Decoding - A system is disclosed for context-based adaptive binary arithmetic encoding and decoding. The system comprises a calculating device configured to calculate an index value for one of a first bin to be encoded and a second bin to be decoded, a memory device to store context models in cluster, wherein the index value for one of the first bin and the second bin is related to one of the context models, and a binary arithmetic unit configured to serve as one of an encoder for encoding the first bin based on the one context model and a decoder for decoding the second bin based on the one context model. | 2009-04-16 |
20090096644 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE, PATTERN DETECTION METHOD AND SERIAL-PARALLEL CONVERSION METHOD - A shift register SR configured to successively take in and hold input serial data on the basis of a first clock signal, a pattern detection section configured to detect a predetermined pattern contained in the serial data taken in the shift resister and a second clock generation section configured to determine timing of output of the serial data held in the shift register on the basis of a result of this detection are provided to detect the desired pattern contained in the serial data in the course of transferring the serial data for conversion from the serial data to parallel data to the shift resister, and to determine timing of conversion to the parallel data on the basis of a result of this detection, thus reducing the latency and achieving an improvement in communication speed and a reduction in circuit area. | 2009-04-16 |
20090096645 | METHOD AND APPARATUS FOR ENTROPY CODING AND DECODING - This apparatus includes a generator which generates a reference matrix having a correlation with an information matrix to be coded from the information matrix. A classifier classifies matrix components around the ith row component of the reference matrix, and generates a set of matrix components equal in distance from the ith row component. A calculator forms a context tree including a plurality of internal nodes corresponding to the matrix components of the set, and a plurality of branches and a plurality of leaf nodes which have one-to-one correspondence with the symbols of the components, associates a sequence of the symbols with a path extending from the leaf node to the root node of the context tree, and calculates the coding probability of the ith row/jth column component of the information matrix. A coder arithmetically codes the ith row/jth column component of the information matrix in accordance with the coding probability. | 2009-04-16 |
20090096646 | METHOD OF ALGORITHMIC ANALOG-TO-DIGITAL CONVERSION AND ALGORITHMIC ANALOG-TO-DIGITAL CONVERTER - Provided are a method of algorithmic analog-to-digital conversion and an algorithmic Analog-to-Digital Converter (ADC). The algorithmic ADC includes a Multiplying Digital-to-Analog Converter (MDAC). The MDAC includes a Digital-to-Analog Converter (DAC) for converting a first digital signal into an analog signal, a subtractor for calculating a difference between the signal output from the DAC and an analog signal input from a first Sample and Hold Amplifier (SHA), an amplifier for amplifying the difference, a first capacitor unit connected with an output end of the first SHA and an input end of the amplifier through a first switching unit, a second capacitor unit connected with the input end and an output end of the amplifier through a second switching unit, and a third capacitor unit connected with the input end and the output end of the amplifier through a third switching unit. | 2009-04-16 |
20090096647 | Analog-to-digital converter - A lookahead pipelined ADC architecture uses open-loop residue amplifiers with calibration. This approach is able to achieve a high-speed, high-accuracy ADC with reduced power consumption. In one aspect, an ADC pipeline unit includes a plurality of lookahead pipeline stages (i.e., an ADC lookahead pipeline) coupled to a calibration unit. The ADC lookahead pipeline uses open-loop residue amplifiers. The calibration unit compensates for non-linearity in the open-loop amplifiers. | 2009-04-16 |
20090096648 | APPARATUS AND METHOD FOR IMPROVING PERFORMANCE OF SIGMA-DELTA MODULATORS HAVING NON-IDEAL COMPONENTS - In an apparatus and method for improving performance of a third order, double-sampled, sigma-delta modulator (SDM), a first one of three feedback elements included in a feedback loop of the SDM is selected to complete the feedback loop during a first half-cycle of the clock used for the double-sampling. The first one is restricted from being reselected during a subsequent half-cycle of the clock until the first one is reset. A second one of the three feedback elements is selected during a second half-cycle of the clock that is consecutive to the first half-cycle, the second one being different than the first one. A third one of the three feedback elements is selected during a third half-cycle of the clock that is consecutive to the second half-cycle, the third one being different than the second one. | 2009-04-16 |
20090096649 | SIGMA-DELTA MODULATOR FOR PWM APPLICATIONS WITH MINIMUM DYNAMICAL CONTROL AND DITHERING - The circuit includes, upstream from a PWM quantizer, that is between the output of the sigma-delta modulator and the input of the PWM or PWM-like quantizer, a second or ancillary sigma-delta stage of any order and architecture, with the function of controlling the minimum dynamic of the sigma-delta modulator. This second sigma-delta stage is input with the output signal of the sigma-delta modulator summed to a signal corresponding to the difference between the input signal and the output signal of the second sigma-delta stage, delayed by a delay block. | 2009-04-16 |
20090096650 | Methods and systems for continuous-time digital modulation - Methods and systems for modulating ( | 2009-04-16 |
20090096651 | ANALOG-TO-DIGITAL (AD) CONVERTER USING RESONANCE FREQUENCY SHIFTING AND VOLTAGE DETECTING DEVICE THEREOF - An analog-to-digital (AD) converter and a voltage detecting device thereof are provided. The AD converter includes at least one voltage detecting device which outputs a signal of a frequency determined based on a magnitude of an input voltage using a resonance frequency of a resonator. The AD converter determines a digital output value depending on the output signal from the voltage detecting device. Therefore, the AD converter can achieve a high resolution and a high speed with far less power consumption. | 2009-04-16 |
20090096652 | ANALOG-TO-DIGITAL CONVERTER (ADC) USING TUNNELING EFFECT OF PROBES - An analog-to-digital converter (ADC) is provided to determine a digital output value according to whether electric current flows between a plurality of probes, to which an input voltage is applied, and a plurality of electrodes. Therefore, high resolution and high speed operation is possible, but with lower power consumption. | 2009-04-16 |
20090096653 | RF CHIP INCLUDING SHARED CONVERTER AND TRANSCEIVER INCLUDING THE RF CHIP - The invention generally relates to a radio frequency (RF) chip and/or a baseband chip for use in a wireless transmitter and/or receiver. Embodiments of the invention solve a problem caused by a mismatch in amplitude and/or phase between in-phase (I) and quadrature (Q) signals in such communication devices. According to an aspect of the invention, there is provided a communication device including: a baseband signal processing unit configured to output a plurality of analog baseband signals through a corresponding plurality of channels; and a radio frequency (RF) processing unit coupled to the plurality of channels, the RF processing unit configured to convert the plurality of analog baseband signals into a plurality of digital signals using a shared analog-to-digital converter (ADC), the RF processing unit further configured to generate an RF signal based on the plurality of digital signals. | 2009-04-16 |
20090096654 | Intelligent Electronic Device Having Circuitry for Noise Reduction for Analog-to-Digital Converters - An intelligent electronic device (IED), e.g., an electrical power meter, having circuitry for an input structure of an analog-to-digital converter (ADC) that reduces noise of a signal from a sensor in the device, resulting in a highly accurate power measurement, is provided. The circuitry includes a first single-ended analog-to-digital converter with an input from a voltage signal and a second single-ended analog-to-digital converter with an input that is the reference voltage used by the voltage signal. A programmable device subtracts the digital output of the second single-ended analog-to-digital converter from the digital output of the first single-ended analog-to-digital converter to produce a digital result of the voltage signal that is free from common-mode noise. | 2009-04-16 |
20090096655 | ANALOG TO DIGITAL CONVERTER WHICH USES TUNNELING MAGNETO-RESISTIVE DEVICES - An A/D converter is provided. The A/D converter determines a digital output value according to the resistance of the TMR device, resistance of which changes according to the magnetic field generated by at least one electrode into which current flows according to an analog input signal. Accordingly, an A/D converter to implement high resolution and high speed with low power consumption can be provided. | 2009-04-16 |
20090096656 | COLOR-CODING CONNECTORS FOR INFRA-RED REPEATER - An IR controller that provides a single point for communications with a remote and connects with the various components of a video or audio system which are configured to respond to IR signals. The apparatus receives and routes IR signals either serially or in parallel to the system components through uniquely labeled or color coded IR capable cables. The apparatus may be equipped with an RF to IR converter for an RF capable remote controller. | 2009-04-16 |
20090096657 | REMOTE CONTROL UNIT FOR OPERATING AN ELECTRONIC DEVICE - A remote control unit includes a housing, at least one pushbutton, a signal transmitter and a detection circuit. The pushbutton is disposed on the housing. The signal transmitter is mounted rotatably on the housing and capable of being switched between first and second positions. The detection circuit is coupled electrically to the pushbutton and the signal transmitter for generating a control signal upon detecting activation of the pushbutton. The signal transmitter transmits a first function signal when the signal transmitter is disposed at the first position and a second function signal different from the first function signal when the signal transmitter is disposed at the second position. | 2009-04-16 |
20090096658 | CONTROL DEVICE, COMMUNICATION DEVICE FOR CONTROL, RELAY DEVICE, CONTROL SYSTEM, CONTROL METHOD, CONTROL PROGRAM TO REALIZE CONTROL METHOD THEREOF, AND COMPUTER-READABLE RECORDING MEDIUM HAVING PROGRAM THEREOF RECORDED - A gateway device includes a third block communicating information, and a control unit controlling the third block so as to generate second information representing an operation of an air conditioner and to transmit the second information to the air conditioner based on first information representing control contents of the air conditioner received by the third block. Accordingly, an apparatus connected to a network and absent of a high-level circuit can be controlled at high level. | 2009-04-16 |
20090096659 | ELECTROMAGNETIC WAVE ABSORPTION BOARD TO BE USED IN WIRELESS LAN - In a double glazing where a pair of transparent glass sheets are arranged at an interval by having a spacer at the circumferential end portion and where a hollow layer sealed between the pair of glass sheets is formed, there is provided an electromagnetic absorption board used for wireless LAN, which is characterized in that the thickness of the glass sheet is in a range of 2.5-20 mm, that the thickness of the hollow layer is in a range of 2.5-15 mm, that at least one glass sheet of the pair of glass sheets is formed with a resistive film having a surface resistance (surface resistivity) in a range of 20-2K | 2009-04-16 |
20090096660 | SOFTMULTIBAND RADIO FOR ULTRA WIDE BAND - An ultra wide band device may announce a first idle message on a first ultra wide band sub-band associated with a first beacon group, announce a second idle message on a second ultra wide band sub-band associated with a second beacon group, and switch between the first and the second ultra wide band sub-bands to maintain a first connection with the first beacon group and a second connection with the second beacon group. | 2009-04-16 |
20090096661 | Method for detecting interference in radar system and radar using the same - A method for a radar for determining a level of interference of return of a radar wave transmitted by the radar from a target object and radio wave transmitted by some other radar, and a radar, in particular a frequency modulated continuous wave (FMCW) radar, that performs the method for determining the level of interference between the radar and some other radar is provided. In the method according to the present invention, after incident radio wave received by the radar is subjected by a frequency analysis to obtain frequency spectrum characteristic of the incident radio wave, one of frequency components of incident radio wave, the one of the frequency components having larger intensity than a predetermined intensity threshold value is not used to calculate a reference value that indicates the level of interference. | 2009-04-16 |
20090096662 | Moving Target Detector for Radar Systems - Various embodiments are described herein for a moving target detector that processes input data to perform detection for a current range cell. The moving target detector includes a Doppler filter bank module for processing the input data to provide several Doppler outputs for the current range cell, a no-land-clutter path for processing several input data sets related to the several Doppler outputs to provide detection data by performing peak selection on each of the several input data sets and performing detection on the results of the peak selection, a land-clutter path for processing the several input data sets to provide detection data by performing Constant False Alaπn Rate (CFAR) detection on each of the several input data sets and merging the detection results; and a switching logic module for selecting one of the land-clutter path and the no-land-clutter path based on clutter information. | 2009-04-16 |
20090096663 | METHODS AND SYSTEMS FOR REDUCING INTERFERENCE CAUSED BY ANTENNA LEAKAGE SIGNALS - In one aspect, a method of radar altimeter operation including a time dependent gain control is described. The method comprises triggering a Sensitivity Time Control (STC) gain control signal at a pulse repetition frequency (PRF) of a transmit pulse to attenuate interference from at least one of an antenna leakage signal and a signal reflected from equipment. The method also includes shaping the STC gain control signal from no attenuation at a first time, before a transmitter sends the transmit pulse, to a stable maximum attenuation at the time the transmitter sends the transmit pulse, to no attenuation at a second time, after the transmitter sends the transmit pulse. The method also includes matching a bandwidth of an intermediate frequency (IF) amplifier to the pulse width of a transmitted pulse. | 2009-04-16 |
20090096664 | Method, Apparatus and Computer Program Product for Providing Stabilization During a Tracking Operation - An apparatus for providing stabilization during a tracking operation may include a processing element configured to define an inertial pointing vector relative to a point of interest, receive tracking information related to the point of interest, and determine compensation of the inertial pointing vector based on the received tracking information and motion of a platform conducting the tracking operation. | 2009-04-16 |
20090096665 | Method For Locating Cable Impairments - Methods are disclosed for identifying and locating points of impairment in a cable plant, such as that used for cable television (CATV). The methods utilize both known characteristics of signals as well as propagation times in free space and within the cable in conjunction with accurate determination of locations at which measurements are taken. The methods can be applied to both RF cable leaks as well as points of ingress of interference. | 2009-04-16 |
20090096666 | POSITIONING SYSTEM - A positioning system is provided having a first signal source for originating synchronous signals, and a second signal source for originating a signal which is not synchronous with the signal from the first signal source. The system determines, based on a signal propagation time and signal propagation speed from the first or second signal source, the distance to this signal source so as to determine a position of a receiving point. | 2009-04-16 |
20090096667 | Communication System with Assisted GPS and SBAS - A communication system includes a reference station and a mobile station. The reference station is operable to: receive GPS signals; generate GPS assisting data from the received GPS signals; receive SBAS signals; obtain SBAS data from the received SBAS signals; combine the GPS assisting data and the SBAS data to produce combined GPS data; and transmit the combined GPS data via a terrestrial wireless communication. The mobile station is operable to: receive the GPS signals; receive the combined GPS data via the terrestrial wireless communication; and generate positioning data from the mobile received GPS signals and the combined GPS data. | 2009-04-16 |
20090096668 | SIGNAL ACQUISITION/TRACKING METHOD AND CORRELATOR FOR THE SAME - A Doppler frequency searching method and correlator are disclosed. In the present invention, before Doppler frequency removal, a received signal is converted into digital form and the spreading code is removed. Then the signal is down-sampled to have a low sampling rate, which can be determined according to the maximum Doppler frequency to be searched. The Doppler frequency searching is done by stages. Each stage is in charge of a portion of the Doppler frequency to be removed. The sampling rate can be further reduced in each stage. Each stage can have a plurality of Doppler frequency removal units sharing the portion of Doppler frequency that the stage is to remove. Power consumption is reduced since Doppler frequency removal is executed with low sampling rate. | 2009-04-16 |
20090096669 | MULTIPATH MITIGATION USING SENSORS - Systems, methods and devices for multipath mitigation are presented. Specifically, embodiments of the invention can advantageously use sensor input to mitigate the effect of multipath signals received at a receiver. The use of physical sensors in navigation systems is deemed particularly advantageous. | 2009-04-16 |
20090096670 | POSITIONING METHOD, PROGRAM, POSITIONING DEVICE, AND ELECTRONIC APPARATUS - A positioning method includes: capturing a satellite signal from a positioning satellite; predicting a state vector including a position of a positioning device and a velocity of the positioning device based on the satellite signal; predicting a first distance-equivalent value indicating a distance between the positioning satellite and the positioning device; measuring a second distance-equivalent value indicating a distance between the positioning satellite and the positioning device; calculating an observed value indicating a difference between the first distance-equivalent value and the second distance-equivalent value; setting a measurement error for the positioning satellite based on a signal strength of the satellite signal; changing the measurement error based on a capture data indicating a data of capturing of the satellite signal; and correcting the state vector using the observed value, and the changed measurement error. | 2009-04-16 |
20090096671 | POSITIONING METHOD, PROGRAM, POSITIONING DEVICE, AND ELECTRONIC APPARATUS - A positioning method includes: determining a receiving environment of a satellite signal from a positioning satellite; predicting a state vector including a position of a positioning device and a velocity of the positioning device based on the satellite signal; predicting a first distance-equivalent value indicating a distance between the positioning satellite and the positioning device; measuring a second distance-equivalent value indicating a distance between the positioning satellite and the positioning device; calculating an observed value indicating a difference between the first distance-equivalent value and the second distance-equivalent value; setting a first measurement error for the positioning satellite based on a signal strength of the satellite signal; setting a suitability condition of the observed value based on the receiving environment; setting a second measurement error larger than the first measurement error when the observed value is not suitable by the suitability condition; and correcting the state vector using the observed value and the second measurement error. | 2009-04-16 |
20090096672 | POSITION DETERMINATION METHOD, POSITIONING DEVICE, AND ELECTRONIC INSTRUMENT - A position determination method includes: performing a positioning process that calculates a located position by performing positioning calculations using satellite signals; determining whether or not a convergence condition is satisfied based on current and preceding positioning results when the positioning process is performed, the convergence condition being specified as a condition for determining whether or not the positioning results of the repeated positioning processes have converged; and determining the located position calculated by the current positioning process to be an output position when the convergence condition is satisfied. | 2009-04-16 |
20090096673 | Printed wiring board and antenna unit - A printed wiring board is provided with a multidirectional antenna having plural directivities, and an antenna control circuit for selectively setting the multidirectional antenna for one of the directivities. The antenna control circuit is formed in a predetermined area on the printed wiring board, the antenna includes plural flat antenna elements of a predetermined length, and the antenna elements are formed on one of the opposite surfaces of the printed wiring board so as to extend radially outward from the predetermined area and connected to the antenna control circuit. | 2009-04-16 |
20090096674 | TECHNIQUE FOR MITIGATING MULTIPATH IMPACTS ON AZIMUTH ACCURACY IN A MONOPULSE INTERROGATOR - A method for mitigating multipath impacts on azimuth accuracy in a monopulse interrogator is accomplished by calculating samples of monopulse ratio for samples of antenna boresight angles based on data received from an interrogation of a target. Samples of traditional target azimuth from the samples of monopulse ratio are calculated. A mean of the samples of traditional target azimuth is calculated. An alternative target azimuth from the samples of monopulse ratio is calculated. Whether a multipath signal exists is determined from observing a standard deviation of the samples of traditional target azimuth, and using the mean of the traditional target azimuth if a multipath signal does not exist and using the alternative target azimuth if a multipath signal does exist. | 2009-04-16 |
20090096675 | SUPER WIDE BANDWIDTH COUPLING ANTENNA - A super wide bandwidth coupling antenna comprises a first radiation portion made of electric conductor; the first radiation having a body and a feeding frame extending from a body of the first radiation portion; a second radiation portion formed by an electric conductor; a supporting frame extending from a body of the second radiation portion; a ground portion made of electric conductor; one end of the ground portion being connected to the supporting frame of the second radiation portion; a signal feeding wire having a main signal end wire which is electrically connected to the feeding frame of the first radiation portion; a ground end wire of the signal feeding wire being electrically connected to the ground portion; an isolation post for positioning the first radiation portion and second radiation portion with an insulating gap between the first radiation portion and second radiation portion. | 2009-04-16 |
20090096676 | DURABLE WIDEBAND ANTENNA FABRICATED ON LOW RESISTIVITY SILICON SUBSTRATE - An antenna that is easily fabricated on a low resistivity CMOS-grade silicon substrate is herein described. The antenna has a reasonable radiation efficiency. One generalized non-limiting embodiment includes employing an antenna that resonates at about 5.8 GHz. Another generalized non-limiting embodiment includes a differential feed operationally coupled to a first and a second half-antenna portion. Each of the herein described antennas have an efficiency of greater than approximately 20%. | 2009-04-16 |
20090096677 | DUAL BAND ANTENNA - A dual band antenna covering both DTV and ISM bands is provided in the present invention. The antenna includes a signal line, a coupling block, a ground part and at least a floating metal strip, wherein the signal line and the coupling block are etched on upside of a substrate and connected with each other with an inset feeding structure, and the ground part and the floating metal strip are etched on backside of the substrate. | 2009-04-16 |
20090096678 | ANTENNA FOR RADIO FREQUENCY IDENTIFICATION TAG - An antenna for an RFID tag having an RFID tag chip includes a dielectric material, a radiating patch radiating a signal from the RFID tag chip, and a feed line supplying power to the RIFD tag chip through magnetic-coupling with the radiating patch. Accordingly, a small antenna that can be attached to metal can be realized. | 2009-04-16 |
20090096679 | Patch Antenna - According to one embodiment, a patch antenna includes a radiating layer coupled to a feed line. The radiating layer has at least one radiating element disposed on an opposite side from the feed line. The radiating layer has a moat around its perimeter forming an inner perimeter sidewall and an outer perimeter sidewall. A conductive coating may be disposed on the inner perimeter sidewall or the outer perimeter sidewall. | 2009-04-16 |
20090096680 | Antennas Incorporated in a Fitted Accessory of a Mobile Unit - A fitted accessory comprises two antennas incorporated within the fitted accessory. The fitted accessory also comprises an electrical contact coupling to a corresponding electrical contact disposed on the housing so that an electrical connection is established between the components of the fitted accessory and components in the housing. The fitted accessory couples to the housing. | 2009-04-16 |
20090096681 | DONGLE DEVICE WITH INTEGRATED ANTENNA ASSEMBLY - An electronic device includes a main body having electronic circuitry therein, and further includes an exposed interface that enables the electronic circuitry to transfer information. In addition, the electronic device includes a pivoting member attached to the main body such that the pivoting member may rotate about the main body between at least a first position and a second position, the pivoting member including at least one antenna element. The pivoting member covers the exposed interface when in the first position, and when the pivoting member is in the second position, the antenna element serves as an antenna for transmitting and/or receiving information wirelessly in conjunction with the electronic circuitry. | 2009-04-16 |
20090096682 | PORTABLE WIRELESS APPARATUS - A portable wireless apparatus has an antenna capable of resonating in frequency bands of various communication systems. The portable wireless apparatus comprises an upper case | 2009-04-16 |
20090096683 | Handheld electronic devices with antenna power monitoring - Handheld electronic devices are provided that contain wireless communications circuitry. The wireless communications circuitry may include an antenna. A radio-frequency coupler may be coupled to the antenna. Transceiver circuitry may be used to transmit and receive radio-frequency signals through the coupler and the antenna. A reflected power detection circuit may be connected to the coupler. When the transceiver circuitry transmits radio-frequency signals, some of the signals are reflected back from the antenna into the coupler. The coupler directs the reflected antenna signals into the reflected power detection circuit. Processing circuitry may analyze a reflected power signal from the reflected power detection circuit to determine whether operation of the antenna is being disrupted by the placement of a user's hand over the antenna or other proximity effects. If antenna operation is being disrupted, the user may be alerted or other suitable actions may be taken. | 2009-04-16 |
20090096684 | ANTENNA DEVICE FOR PORTABLE TERMINALS AND RADIO UNIT FOR RECEIVING BROADCAST WAVES - There is provided an antenna device for use with a portable terminal, which can be used in different frequency bands by combining antenna characteristics. | 2009-04-16 |
20090096685 | ANTENNA DEVICE FOR PORTABLE TERMINALS AND RADIO UNIT FOR RECEIVING BROADCAST WAVES - There is provided an antenna device for use with a portable terminal, which can be used in different frequency bands by combining antenna characteristics. | 2009-04-16 |
20090096686 | AUTONOMOUS MOBILE WIRELESS ANTENNA SYSTEMS - Systems and methods are disclosed for deploying one or more antennas by: mounting one or more antennas on a moving platform; searching a physical space and a signal space to locate a predetermined position for the one or more antennas to optimize data transmission; and actuating the moving platform to the predetermined position. | 2009-04-16 |
20090096687 | METHODS AND APPARATUS FOR HIGH PERFORMANCE STRUCTURES - Methods and apparatus for components according to various aspects of the present invention operate in conjunction with reaction bonded silicon nitride (RBSN). In one embodiment, a missile radome comprises a wall defining the radome body, including a base and a tip. The wall may comprise a core and one or more skins adjacent the core, such as in a sandwich configuration. The core and the skins may have different densities. The radome wall may be configured to transmit wideband RF signals. The RBSN may be extruded to form the radome. | 2009-04-16 |
20090096688 | Antenna system and an in-vehicle communication apparatus - An antenna system for use in a wide frequency band has a reflection board that has a board shape with an outer edge and an inner edge. The antenna system connects the reflection board and an antenna module in a manner that does not allow a flow of a direct current. Further, a dimension of the reflection board along a polarization direction of the antenna module has a value that is equal to or greater than a product of a maximum wavelength of a usable frequency band multiplied by a wavelength reduction rate of a dielectric material. | 2009-04-16 |
20090096689 | Means for mounting a portable satellite antenna on a vehicle - Several different embodiments are illustrated for attaching, supporting or mounting a portable satellite antenna on a vehicle or supported by the vehicle. In two of the embodiments, the satellite antenna is secured to the roof rack of the vehicle. In a third embodiment, the satellite antenna is secured to the upper ends of the sides of a pickup truck. Alternative methods for mounting or supporting the portable satellite antenna are also disclosed. | 2009-04-16 |
20090096690 | GLASS ANTENNA FOR AN AUTOMOBILE - A glass antenna for an automobile improving antenna gain is provided. | 2009-04-16 |
20090096691 | Orientation-independent antenna (ORIAN) with shorts - An orientation-independent antenna that presents a circular polarization characteristic to incoming waves such that these waves are detected regardless or polarization and angle of arrival is provided with shorts across elements thereof that provide for crossed vertical loops and a horizontal loop to lower the VSWR at the lower frequencies of the antenna. The antenna includes crossed vertical loops and a horizontal loop, with the loops being phased to provide the circular polarization characteristic. In one embodiment, the antenna includes a number of elements on the faces of a cube, or the elements are positioned on the surface of a sphere. In another embodiment, the antenna is given both a right hand circular polarization characteristic and a left hand circular polarization characteristic in two different channels to provide for double the data throughput. | 2009-04-16 |
20090096692 | Flat Antenna System With a Direct Waveguide Access - The invention relates to a flat antenna system ( | 2009-04-16 |
20090096693 | LOW FREQUENCY ANTENNA - An antenna includes a core formed of a high-permeability material and a coil wire wrapped around at least a part of the core. In one embodiment, the high-permeability material includes ferrite material. | 2009-04-16 |
20090096694 | ANTENNA DEVICE - An antenna device having a magnetic core to be surface-mounted on a circuit substrate includes a pair of coil portions spaced apart from each other at a predetermined interval. The coil portions are connected by a connecting conductor. An end of the magnetic core includes a curved or bent portion curved toward the circuit substrate. This structure defines an RFID antenna device having an improved receiving sensitivity that can be surface-mounted without increasing the thickness of a casing of a mobile electronic device. | 2009-04-16 |
20090096695 | Active Photonic Forbidden Band Antennae - The present invention relates to an active photonic band gap antenna. In this case, the photonic band gap structure is constituted by metal rods, some of which are discontinuous, namely composed of sections of rods connected by a switching element such as a PIN diode. According to the invention, only one rod in a row of rods seen from the radiating source is discontinuous. The antenna pattern can be controlled at a low cost. | 2009-04-16 |
20090096696 | RFID TAG WITH A MODIFIED DIPOLE ANTENNA - In general, the disclosure describes an RFID tag designed such that the tag is both covert and not easily blocked from the interrogation signal by the hand or other body part of a person. In particular, the RFID tag is designed to have a long, narrow aspect that allows placement of the tag in locations on or in a book that are inconspicuous to the casual observer while extending beyond a hand of a person holding the book by the spine on or near a geometry centerline. The RFID tag includes a dipole segment and a loop segment coupled to the dipole segment. The loop segment of the modified dipole antenna provides the antenna with larger signal strength than conventional dipole antennas. Moreover, the conductive loop segment also provides improved impedance matching capabilities to allow the modified dipole antenna to match the impedance of an integrated circuit (IC) chip of the RFID tag. | 2009-04-16 |
20090096697 | Compact Portable Antenna for Terrestrial Digital Television - The present invention relates to a portable compact antenna formed from a first dipole type element operating in a first frequency band and comprising a first and at least one second conductive arm, differentially supplied, the first arm or cold arm forming at least one cover for an electronic card and the second arm or hot arm being constituted by a U-shaped conductive element realized on an insulating substrate. Further, a radiating element with bends is realized between the branches of the U-shaped element and is dimensioned to operate in a second frequency band. | 2009-04-16 |
20090096698 | Omni directional broadband coplanar antenna element - The present invention provides an omni-directional antenna element configuration having a compensated radiation pattern. Broadband antenna elements are coplanarly disposed on a suitable planar dielectric material. A single element omni-directional antenna comprises a pair of balanced fed radiating microstrip elements symmetrically disposed about the centerline of a balanced signal feed network. Additionally, a pair of pattern augmentation rods are positioned on each side of and proximate to the planar dielectric material running longitudinally to the centerline axis of a balanced feed network. Disposed proximate to each radiating element are partially coplanar, frequency bandwidth expanding microstrip lines. The combination of radiating elements together with pattern augmentation rods provides a broad bandwidth omni-directional radiating element suitable for use in multi-element antenna arrays. | 2009-04-16 |
20090096699 | COMPACT 3-PORT ORTHOGONALLY POLARIZED MIMO ANTENNAS - Generalized non-limiting embodiments include employing a dipole antenna and/or a half slot antenna. Each of the antennas constitutes three mutually perpendicular radiating elements to achieve good isolation and low antenna signal correlation between the three ports. In one generalized non-limiting embodiment the antennas are fabricated on FR-4 epoxy boards. Experimental results show that the antennas resonate a reasonable frequency and have a desired mutual coupling. In addition experimental results for the diversity performance and the MIMO channel capacity are also provided for these antennas and these results show that the herein described antennas offer good diversity gain and the channel capacity can be increased by as much as three times by using these antennas over conventional antennas. | 2009-04-16 |
20090096700 | BASE STATION ANTENNA WITH BEAM SHAPING STRUCTURES - A dual polarization base station antenna producing a beam having 3 dB azimuth beamwidth of E(theta) within 5° of the 3 dB azimuth beamwidth of E(phi). The antenna also maintains E(theta) and E(phi) within 3 dB of each other over a wide beamwidth up to 120°, and over a wide bandwidth of 30% of the center frequency. The antenna achieves these performance characteristics through beam shaping structures connected to or located near the ground plane supporting the dipole antenna elements. By adjusting the locations and shapes of the beam shaping structures, specific antennas are designed to meet these design characteristics for different desired beamwidths, including 45°, 60°, 90° and 120°. | 2009-04-16 |
20090096701 | TAG-USE ANTENNA AND TAG USING THE SAME - The present invention relates to a tag-use antenna allowing a miniaturization while maintaining a constant minimal change of a communication distance. The tag-use antenna has a feed part of a folded dipole antenna of a size of 53 mm long and 7 mm wide being connected to, and equipped with, an LSI chip of Rc=500 ohms and Cc=1.4 pF and is covered with plastic resin | 2009-04-16 |
20090096702 | DUAL BEAM SECTOR ANTENNA ARRAY WITH LOW LOSS BEAM FORMING NETWORK - A low loss beam forming method and antenna structure are disclosed. The method and structure may preferably be used in forming two narrow beams within a cellular sector. This method allows an increase in the overall network capacity by using a three-column non-planar array and a compact, low-cost, low-loss 3-to-2 Beam-Forming Network (BFN). This structure produces two symmetrical beams with respect to the azimuth boresight. Radiation patterns of the two beams are designed to cover the entire azimuth coverage angle of a cellular sector with minimum beam-split loss and cross-over losses. | 2009-04-16 |
20090096703 | PAPER/BIODEGRADABLE PLASTIC LAMINATE AND ELECTROMAGNETIC SHIELDING MATERIAL - A paper/plastic laminate suitable for use in laser and digital copiers and printers etc. that use heat set fuser toner adhesion as the method for fusing/bonding an ink to a paper. The laminate includes a paper web laminated to a polymeric film using 100% solids, or solventless, adhesives. The polymeric film is made from a biodegradable polymeric material such as a polylactide or a biodegradable polyolefin. An electromagnetic shielding material includes a paper web, a biodegradable polymeric material; and a conductive layer in a laminate structure that, when interposed between a receiving antenna of an RFID smart chip and a transmitting antenna of a signal generator, prevents the reading of the chip. | 2009-04-16 |
20090096704 | Non-Cutoff Frequency Selective Surface Ground Plane Antenna Assembly - Described is an apparatus and method for reducing noise in an information bearing signal is provided. A feeding element receives dual-polarized wideband electromagnetic signals. The feeding element is coupled to a Non-Cutoff Frequency Selective Surface ground plane. The Non-Cutoff Frequency Selective Surface ground plane allows for a line-of-sight signal and a surface wave to cancel. The Non-Cutoff Frequency Selective Surface ground plane can be a metal plate with a plurality of corrugations. The corrugations can be concentric rings, each corrugation having a predetermined height and a predetermined spacing from adjacent corrugations. | 2009-04-16 |
20090096705 | Antenna Device - An antenna device includes: a winding component having an approximately cylindrical shaped winding shaft portion and a flange portion disposed to project outside the winding shaft portion in at least one end portion of both end portions in an axial direction of the winding shaft portion; a pair of binding terminals disposed to project outside the flange portion in at least one of the flange portions; and a winding both ends of which are bound to the pair of binding terminals. The flange portion on which the binding terminals are disposed has an approximate disk shape. At least one binding terminal is disposed to be oriented along a direction approximately perpendicular to an outer periphery of the flange portion on which the binding terminal is disposed. | 2009-04-16 |
20090096706 | IC Tag - According to the present invention, there is disclosed an antenna circuit characterized by comprising:
| 2009-04-16 |
20090096707 | ANTENNA ELEMENT AND FREQUENCY RECONFIGURATION ARRAY ANTENNA USING THE ANTENNA ELEMENT - A frequency reconfiguration array antenna includes a metal plate and a plurality of antenna elements. The antenna element includes a plurality of radiators and at least one switch for connecting the radiators, and a gain of at least one frequency bandwidth from among the plurality of frequency bandwidths reconfigured by the antenna elements is higher than gains of other frequency bandwidths. | 2009-04-16 |
20090096708 | ANTENNA DEVICE FOR PORTABLE TERMINAL - An antenna device for a portable terminal, in which a first radiator is installed within the portable terminal, a second radiator is elongated lengthwise and installed to be retractable into and extendable from the portable terminal, and a switch portion has at least one plate spring and connects a communication circuit portion of the portable terminal selectively to the first radiator or the second radiator. When the second radiator is retracted into the portable terminal, the communication circuit portion is connected to the first radiator through the at least one plate spring, and when the second radiator is extended from the portable terminal, the communication circuit portion is connected to the second radiator through the at least one plate spring. | 2009-04-16 |
20090096709 | COLLAPSIBLE ANTENNA EQUIPPED WITH AN EXTERNAL ADAPTER - A collapsible antenna extends round the circumference, further equipped with an external adapter comprising an antenna base ( | 2009-04-16 |
20090096710 | DUAL DISPLAY DEVICE - The invention relates to a dual display device (DD | 2009-04-16 |
20090096711 | Display device and driving method thereof - A display device including: a plurality of display panels being adjacent to each other, each display panel having a display region including a plurality of pixels and a non-display region formed in a circumference of the display region. The display device includes a panel driver which drives the plurality of display panels and a controller which converts an image signal inputted from the outside to correspond to the plurality of display regions and the non-display region disposed between the plurality of display regions, extracts an image signal from the converted image signal corresponding to the respective display regions and supplies the extracted image signal to the panel driver to be displayed on the respective display regions. | 2009-04-16 |
20090096712 | DISPLAY APPARATUS AND CONTROL METHOD THEREOF - A display apparatus and a control method thereof are provided. The display apparatus displays first image data, received from a computer through a first interface, and second image data, received from the computer through a second interface, together. Accordingly, a single monitor can display image data from two or more interfaces together when the monitor receives image data from a single computer through the two or more interfaces. | 2009-04-16 |
20090096713 | APPARATUS, SYSTEM, AND METHOD FOR DISPLAYING - A display device, system, and method are provided. A host device of the display system controls to scale an area of a screen on a first display device, and to display the area on a second display device. The resolution of a part of the screen on the first display device can be changed and the part of the screen is displayed on the second display device with the changed resolution. Therefore, a plurality of display devices are efficiently used using one host device. | 2009-04-16 |
20090096714 | Image display device - A see-through type image display device is provided to easily designate a displayed virtual image or to easily, quickly and precisely select the same. The image display device projects light of an image to the retina of a viewer while external light is transmitted through the image display device in order for the viewer to recognize a real image due to the external light and a virtual image caused by the light of the image. The image display device includes an indicator rod that is variable in position and direction, an indicator detecting part for detecting the position and direction of the indicator rod, and an image display part for generating image information disposing an auxiliary virtual image in response to the position and the direction of the indicator rod along with a display subject of a main virtual image disposed on display coordinates, so that an image light based on the image information is provided to the retina of the viewer. | 2009-04-16 |
20090096715 | Discharge Lamp for Dielectrically Impeded Discharge with Rib-Like Supporting Elements Between The Bottom Plate and the Top Plate - The present invention relates to a discharge lamp with a floor plate and a roof plate, which is designed for dielectrically impeded discharge, with at least two electrodes of different polarity being allocated to the sections of the discharge space, which is divided by rib-like support elements, with the electrodes located at a distance from the longitudinal support elements. | 2009-04-16 |
20090096716 | DISPLAY DEVICE - A display device is disclosed. The display device includes a first substrate,
| 2009-04-16 |
20090096717 | Plasma Display Device - A technique which enables improvement of luminance and reduction of consumption power in a sustain discharge driving of a four-electrode structure PDP, particularly, by devising driving method to Z electrodes. In this plasma display device, a sustain discharge by a method to apply a narrow pulse to the Z electrode and a method to apply a fixed potential to the Z electrode are switched according to a judgment of range of display load ratio in driving sustain discharge from a controller and driver to the PDP and used. | 2009-04-16 |
20090096718 | PLASMA DISPLAY DEVICE - The plasma display device has the following structure: a panel having a plurality of discharge cells; an electrode-dedicated power supply for generating voltage to be applied to any one of the electrodes disposed on the panel; a driving-waveform generator that has a switching element for outputting voltage of the electrode-dedicated power supply so as to generate a waveform of driving voltage for driving the electrodes; a switch controller for controlling the switching element; a controller-dedicated power supply for supplying the switch controller with electric power; and an auxiliary power supply that generates a voltage lower than that of the controller-dedicated power supply by reducing voltage of the electrode-dedicated power supply so as to supply the switch controller with electric power. | 2009-04-16 |
20090096719 | METHOD OF DRIVING PLASMA DISPLAY PANEL, AND PLASMA DISPLAY DEVICE - A method and device for driving a plasma display panel are provided that do not cause false lighting even if the all-cell initializing operation becomes unstable. In an initializing period of a subfield, an all-cell initializing operation of causing initializing discharge in all discharge cells or a selective initializing operation of causing initializing discharge in the discharge cell that has caused sustain discharge in the last sustain period is performed. In a field corresponding to an image signal for displaying black on the whole screen, an abnormal charge erasing period for applying rectangular waveform voltage to the scan electrode is disposed after the initializing period in the subfield where the all-cell initializing operation is firstly performed. In a field corresponding to an image signal other than the image signal for displaying black on the whole screen, an abnormal charge erasing period for applying rectangular waveform voltage to the scan electrode is disposed after the initializing period in any subfield after the subfield where the all-cell initializing operation is firstly performed. | 2009-04-16 |
20090096720 | PLASMA DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A plasma display apparatus and a method of driving the same are disclosed. The plasma display apparatus driven in a frame comprised of a plurality of subfields includes a plasma display panel including a scan electrode and a sustain electrode, and a driver. The driver supplies a first signal, that rises from a first voltage to a second voltage, is maintained at the second voltage during a predetermined period of time, and falls from the second voltage to a third voltage smaller than the first voltage with a slope, to the scan electrode. The predetermined period of time is set at different values in at least two subfields. | 2009-04-16 |
20090096721 | PIXEL CIRCUIT - A pixel circuit has a light emitting diode, a driving transistor, a capacitor, a first switch, a second switch, a third switch, and a forth switch. The driving transistor has a drain, coupled to a second end of the light emitting diode. The capacitor is coupled between a gate of the driving transistor and the ground terminal. The third switch is coupled between the source and the gate of the driving transistor. The fourth switch is coupled between the second end of the light emitting diode and a data line. The first switch is off, the second is on, and the third is on during the reset period; the first switch is off, the second is off, and the third is on during the programming period; and the first switch is on, the second is on, and the third is off during the display period. | 2009-04-16 |
20090096722 | ELECTROPHORETIC DISPLAY DEVICE, ELECTRONIC APPARATUS, AND METHOD OF DRIVING ELECTROPHORETIC DISPLAY DEVICE - An electrophoretic display device includes a common electrode and a plurality of pixel electrodes, and a disperse system containing electrophoretic particles, that is held between the common electrode and the plurality of pixel electrodes,. The electrophoretic display device includes a switching transistor and a control portion. The switching transistor supplies a corresponding one of the pixel electrodes with a low electric potential signal or a high electric potential signal supplied from a signal line. The control portion controls electric potential signals supplied to the pixel electrode and the common electrode to cause the electrophoretic particles to move. The switching transistor enters an on state when a gate electrode of the switching transistor is supplied with a first electric potential, and enters an off state when the gate electrode is supplied with a second electric potential. The control portion is provided with a first period during which control for causing the electrophoretic particles to move is performed and a second period during which, after the first period, the switching transistor is made to enter an off state. During the second period, when the first electric potential is smaller than the second electric potential, the control portion supplies a low electric potential signal from the signal line to the switching transistor and supplies a low electric potential signal to the common electrode, and when the first electric potential is larger than the second electric potential, the control portion supplies a high electric potential signal from the signal line to the switching transistor and supplies a high electric potential signal to the common electrode. | 2009-04-16 |