36th week of 2011 patent applcation highlights part 27 |
Patent application number | Title | Published |
20110216813 | Method and Arrangement in a Communication System - Method and arrangement in a relay node, for cancelling self-interference. The relay node is connected to one or more reception antennas, which reception antennas are configured to receive wireless signals. The method comprises receiving an analogue input signal, converting each received analogue input signal into a digital signal, processing the digital signal, extracting a cancellation signal from each respective digitally processed digital signal, combining and filtering the extracted cancellation signals into a number of combined cancellation signals, converting each combined cancellation signal into an analogue cancellation signal, and subtracting each analogue cancellation signal from the analogue input signal. | 2011-09-08 |
20110216814 | SYSTEMS AND ASSOCIATED METHODS TO REDUCE SIGNAL FIELD SYMBOL PEAK-TO-AVERAGE POWER RATIO (PAPR) - The device, system and method reduce the peak-to-average power ratio (PAPR) of a signal field symbol in a multi-carrier modulation communication signal. The device includes an antenna, a transceiver coupled to the antenna, and a controller to cooperate with the transceiver and being configured to reduce the PAPR of the signal field symbol in the multi-carrier modulation communication signal. The controller is configured to transmit information using a frame format including a header and a data field, the header having a signal field and a service field each having a plurality of bits, the plurality of bits of the signal field defining the signal field symbol. The controller selectively changes at least the header bits to generate the signal field symbol with a reduced or lowest PAPR. | 2011-09-08 |
20110216815 | METHOD AND APPARATUS FOR DETECTING OFFSET SIGNAL OF TRANSMISSION LEAKAGE SIGNAL IN RF TRANSCEIVER - Disclosed is an RF transceiver in which transmission and reception are simultaneously performed, wherein a magnitude of a transmission leakage signal mixed into a receiving signal is measured, the maximum and minimum scopes on I/Q vector phase-plane in which an offset vector exists is set using the measured magnitude of the transmission leakage signal, the offset vector offsetting the transmission leakage signal as much as possible, a detection area in which the offset vector exists is determined in the set scope, and the offset vector is detected. | 2011-09-08 |
20110216816 | MULTI-CARRIER CLOCK TRANSPORT AND SYNCHRONIZATION - At least one implementation generates at least one time-domain sample in a multicarrier apparatus, and links a first timestamp to the at least one time-domain sample. The at least one time-domain sample may be associated with a Discrete Multi-Tone (DMT) symbol and transmitted to a receiving multicarrier apparatus. The receiving multicarrier apparatus may generate a second timestamp upon receiving the at least one time-domain sample. | 2011-09-08 |
20110216817 | COMMUNICATION SYSTEM AND METHOD FOR COMMUNICATING THEREOF - The present invention relates to a communications system and a telecommunication method thereof. In the communications system of the present invention, a communications terminal decides a precoding matrix index, in the reception of a pilot signal through a specific downlink channel, examining a channel quality information of the downlink channel according to the decided precoding matrix index, and transmitting a feedback information including the decided precoding matrix index and the examined channel quality information to a serving base station. In the communications system of the present invention, the serving base station decides a priority factor by using the examined channel quality information, in the reception of the feedback information, compares the decided priority factor with other priority factor, when receiving a backhaul information including the other priority factor from the neighboring base station. As a result of the comparison, a priority is given to a higher priority factor such that a base station having the priority suggests the use of precoding matrix to the neighboring base station. | 2011-09-08 |
20110216818 | VARIABLE DUTY CYCLE GENERATION FOR OUT-PHASING AND PWM POWER AMPLIFIERS - Power reduction in transmitters is very important. One method to realize reduction is to make use of switching power amplifiers (PA) that have a better efficiency. Switching PA concepts are only possible in combination with suitable modulation methods like pulse width modulation (PWM) and out-phasing concepts. However, PWM and out-phasing concepts rely on accurate phase control and duty cycle of the signals. Digitally generation of signals of variable duty cycles and phase is proposed without sacrificing their accuracy. Accordingly, a out-phasing power amplifier arrangement is disclosed, where the generation of the out-phasing angle (θ) and duty cycles (d | 2011-09-08 |
20110216819 | Local flextream over internet protocol - The invention relates to the field of digital television. More exactly, the invention deals with video compression equipments inside television head-ends, which comprise encoders grouped in encoding pools for statistical multiplexing. The invention also concerns of a method for driving individual output bitrates for encoders gathered in such encoding pool. | 2011-09-08 |
20110216820 | Method and apparatus for rate control for multi-view video coding - A method and apparatus are disclosed and described for providing rate control for multi-view video coding. The apparatus includes an encoder ( | 2011-09-08 |
20110216821 | METHOD AND APPARATUS FOR ADAPTIVE STREAMING USING SCALABLE VIDEO CODING SCHEME - A method which provides a video streaming service, and the method includes: generating layer data for a corresponding video in accordance with a layer coding scheme using residual data; receiving bit rate information including a bit rate decodable in a terminal from the terminal; selecting a layer necessary for a decoding of a video corresponding to the decodable bit rate from among the generated layer data; and transmitting layer information and layer data corresponding to the selected layer to the terminal. | 2011-09-08 |
20110216822 | VIDEO-INFORMATION ENCODING METHOD AND VIDEO-INFORMATION DECODING METHOD - A video-information encoding apparatus and decoding apparatus with a guarantee of a fixed processing time. By limiting the amount of data to be input into/output from a CABAC encoding unit and decoding unit on a unit-of-encoding basis, such as one picture, slice, macroblock or block, and by encoding uncompressed video data, it is possible to provide a video-information encoding apparatus and decoding apparatus with a guarantee of a fixed processing time. Thereby, an apparatus with a guarantee of the processing time can be mounted. | 2011-09-08 |
20110216823 | VIDEO-INFORMATION ENCODING METHOD AND VIDEO-INFORMATION DECODING METHOD - A video-information encoding apparatus and decoding apparatus with a guarantee of a fixed processing time. By limiting the amount of data to be input into/output from a CABAC encoding unit and decoding unit on a unit-of-encoding basis, such as one picture, slice, macroblock or block, and by encoding uncompressed video data, it is possible to provide a video-information encoding apparatus and decoding apparatus with a guarantee of a fixed processing time. Thereby, an apparatus with a guarantee of the processing time can be mounted. | 2011-09-08 |
20110216824 | VIDEO-INFORMATION ENCODING METHOD AND VIDEO-INFORMATION DECODING METHOD - A video-information encoding apparatus and decoding apparatus with a guarantee of a fixed processing time. By limiting the amount of data to be input into/output from a CABAC encoding unit and decoding unit on a unit-of-encoding basis, such as one picture, slice, macroblock or block, and by encoding uncompressed video data, it is possible to provide a video-information encoding apparatus and decoding apparatus with a guarantee of a fixed processing time. Thereby, an apparatus with a guarantee of the processing time can be mounted. | 2011-09-08 |
20110216825 | VIDEO-INFORMATION ENCODING METHOD AND VIDEO-INFORMATION DECODING METHOD - A video-information encoding apparatus and decoding apparatus with a guarantee of a fixed processing time. By limiting the amount of data to be input into/output from a CABAC encoding unit and decoding unit on a unit-of-encoding basis, such as one picture, slice, macroblock or block, and by encoding uncompressed video data, it is possible to provide a video-information encoding apparatus and decoding apparatus with a guarantee of a fixed processing time. Thereby, an apparatus with a guarantee of the processing time can be mounted. | 2011-09-08 |
20110216826 | Apparatus and Method for Motion Estimation-Based Image Encoding/Decoding - The present invention relates to an apparatus and to a method for motion estimation-based encoding/decoding, which estimate a motion and perform an encoding operation based on a photo core transform and a photo overlap transform in a motion picture encoding process, and perform a motion compensation and a decoding operation in a motion picture decoding process, thereby removing the temporal and spatial redundancy of the motion picture. The video processing system according to the present invention comprises: a video encoding apparatus which transforms the received video based on a motion estimation through a photo core transform and a photo overlap transform, encodes the video by a variable length coding technique, and outputs a bit stream; and a video decoding apparatus which performs a motion compensation and a decoding operation on the bit stream received from the video encoding apparatus. The present invention enables a video reproduction or compression through a video codec of a low complexity even in a low performance mobile device, and prolongs the useful life of a battery. | 2011-09-08 |
20110216827 | Method and apparatus for efficient encoding of multi-view coded video data - A method and apparatus for efficient encoding of multi-view coded video data is provided. The apparatus includes one or more encoders ( | 2011-09-08 |
20110216828 | I-FRAME DE-FLICKERING FOR GOP-PARALLEL MULTI-THREAD VICEO ENCODING - A method of encoding video is presented in which multiple groups of pictures (GOPs) are formed and encoded in parallel threads. Each encoded GOP has an initial I-frame followed by a series of P-frames. Each I-frame is deflicker coded with a first derived no flicker reference from the nearest coded frame of a preceding GOP and, the last P-frame in the series of the preceding GOP is deflicker coded with a second derived no flicker reference from the deflicker coded I-frame. | 2011-09-08 |
20110216829 | ENABLING DELTA COMPRESSION AND MODIFICATION OF MOTION ESTIMATION AND METADATA FOR RENDERING IMAGES TO A REMOTE DISPLAY - Delta compression may be achieved by processing video data for wireless transmission in a manner which reduces or avoids motion estimation by a compression process. Video data and corresponding metadata may be captured at a composition engine. Frame buffer updates may be created from the data and metadata. The frame buffer updates may include data relating to video macroblocks including pixel data and header information. The frame buffer updates may include pixel reference data, motion vectors, macroblock type, and other data to recreate a video image. The macroblock data and header information may be translated into a format recognizable to a compression algorithm (such as MPEG-2) then encoded and wirelessly transmitted. | 2011-09-08 |
20110216830 | MOVING IMAGE ENCODER AND MOVING IMAGE DECODER - A moving image encoder has an image separating unit ( | 2011-09-08 |
20110216831 | APPARATUS AND METHOD FOR MOTION VECTOR FILTERING BASED ON LOCAL IMAGE SEGMENTATION AND LATTICE MAPS - A method and an apparatus for filtering motion vector fields provided by a motion estimator apparatus are disclosed. The method includes receiving an input image, determining a motion vector field associated with the input image, determining a local segmentation image, forming a lattice map to identify periodic structures, using the local segmentation image and the lattice map to obtain an image segment pixel count and an image/motion segment pixel count, and using the segment pixel count and the image/motion segment pixel count to provide a filtered motion vector field. Some embodiments further include a motion estimation apparatus including an image delay apparatus, a lattice detector to find lattice structures in the input and delayed images, a histogram generator and a histogram analyzer to provide a set of horizontal and vertical search masks, a motion vector estimator to provide a motion vector field, and a motion vector filter as provided herein. | 2011-09-08 |
20110216832 | STATISTICAL CONTENT OF BLOCK MATCHING SCHEME FOR PRE-PROCESSING IN ENCODING AND TRANSCODING - Statistical content block matching for video pre-processing, for example in fast motion estimation, uses a second-order distortion criterion for processing steps such as identifying a best reference image portion for comparison with a current image portion. The second-order distortion criterion is a Lagrange-optimized combination of a mean squared error criterion with an entropy criterion. Then a fast motion estimation search advantageously includes performing a diamond search using the second-order distortion criterion to identify a candidate best reference image portion, and performing a nearest neighbor search starting using said second-order distortion criterion to identify the best reference image portion within a search range limited by an adaptive search range cap. A better motion vector can then be calculated. | 2011-09-08 |
20110216833 | SHARING OF MOTION VECTOR IN 3D VIDEO CODING - Joint coding of depth map video and texture video is provided, where a motion vector for a texture video is predicted from a respective motion vector of a depth map video or vice versa. For scalable video coding, depth map video is coded as a base layer and texture video is coded as an enhancement layer(s). Inter-layer motion prediction predicts motion in texture video from motion in depth map video. With more than one view in a bit stream (for multi view coding), depth map videos are considered monochromatic camera views and are predicted from each other. If joint multi-view video model coding tools are allowed, inter-view motion skip issued to predict motion vectors of texture images from depth map images. Furthermore, scalable multi-view coding is utilized, where interview prediction is applied between views in the same dependency layer, and inter-layer (motion) prediction is applied between layers in the same view. | 2011-09-08 |
20110216834 | Fixed Length Coding Based Image Data Compression - A method of compressing an image data block is provided that includes computing a pixel residual for each pixel in the image data block except a non-residual pixel, computing a compression level for the image data block based on a minimum pixel residual value and a maximum pixel residual value of the pixel residuals, encoding a compression flag for the image data block, wherein the compression flag includes an indicator identifying the compression level and a first portion of bits from the non-residual pixel, and generating a compressed block comprising a second portion of bits from the non-residual pixel and the pixel residuals encoded using fixed length coding based on the compression level. | 2011-09-08 |
20110216835 | EDGE FILTER WITH A SHARING ARCHITECTURE AND RELATED METHOD FOR SHARING THE EDGE FILTER UNDER A PLURALITY OF VIDEO STANDARDS - An edge filter includes an input unit and a shared edge filter module. The input unit receives first original pixels of a first decoded block and second original pixels of a second decoded block. The shared edge filter module includes a shared intermediate value generator and a filtering unit. The shared intermediate value generator generates shared intermediate values by making use of original pixels selected from the first original pixels and the second original pixels according to a coefficient rule of coefficients of the first and second original pixels under a designated video standard. The filtering unit filters the first original pixels and the second original pixels to generate a plurality of first filtered pixels and a plurality of second filtered pixels by reference to the coefficient rule. At least two of the first filtered pixels and the second filtered pixels are derived from the shared intermediate value. | 2011-09-08 |
20110216836 | Method and apparatus for hypothetical reference decoder conformance error detection - A method and apparatus are disclosed and described for providing hypothetical reference decoder conformance error detection. The apparatus includes a multi-pass encoder ( | 2011-09-08 |
20110216837 | Method and apparatus for video encoding with hypothetical reference decoder compliant bit allocation - A method and apparatus are provided for encoding with hypothetical reference decoder compliant bit allocation. The apparatus includes an encoder ( | 2011-09-08 |
20110216838 | Method and apparatus for efficient decoding of multi-view coded video data - A method and apparatus are provided for efficient decoding of multi-view coded video data. The apparatus includes one or more decoders ( | 2011-09-08 |
20110216839 | METHOD, DEVICE AND SYSTEM FOR SIGNAL ENCODING AND DECODING - A method, device and system for signal encoding and decoding are disclosed. The method includes: encoding a core layer signal to obtain a core layer signal code; selecting an enhancement sample point that requires enhancement layer signal encoding according to the core layer signal code and the number of bits that can be used by an enhancement layer; obtaining an enhancement layer signal code of the enhancement sample point; and outputting a bit stream, where the bit stream includes the core layer signal code and the enhancement layer signal code. In embodiments of the present invention, according to the number of bits that can be used by the enhancement layer, the enhancement sample point that requires enhancement layer signal encoding is selected; the enhancement layer signal of the selected enhancement sample point is encoded and decoded; when no sufficient bits are available for the enhancement layer, the enhancement quality of the core layer can be improved. | 2011-09-08 |
20110216840 | SIGNAL TRANSMISSION METHOD AND SIGNAL RECEIVING METHOD IN A MULTI-INPUT MULTI-OUTPUT SYSTEM - Disclosed is a signal transmission method comprising a feedback information receiving step of receiving a transmission rate and channel state information for transmission from a receiving end, a step of generating a signal to be transmitted by using a multi-antenna in accordance with the transmission rate, a step of performing a precoding on the generated signal by using the precoding matrix of the nested structure selected from a predetermined codebook in accordance with the transmission rate, and a step of transmitting the precoded signal. Said codebook includes a precoding matrix set in which a pre-coding matrix according to a first number of streams is not included in a precoding matrix according to a second number of streams greater than the first number of streams. | 2011-09-08 |
20110216841 | BLOCK AGGREGATION OF OBJECTS IN A COMMUNICATION SYSTEM - A method of mapping m individual objects to source symbols for delivering data from a transmitter to a receiver in a communication system, the m individual objects ordered from object | 2011-09-08 |
20110216842 | TRANSMISSION OF UE-SPECIFIC REFERENCE SIGNAL FOR WIRELESS COMMUNICATION - Techniques for transmitting UE-specific reference signals (UE-RSs) in a wireless network are described. In an aspect, a UE-RS may be transmitted in different manners depending on the number of layers used for data transmission. In one design, a cell may determine subcarriers for a UE-RS based on a frequency shift if data is transmitted on one layer and based on a predetermined set of subcarriers (with no frequency shift) if data is transmitted on multiple layers. In another aspect, a UE-RS may be transmitted on subcarriers determined based on a frequency shift for data transmission on multiple layers. In yet another aspect, a UE-RS may be transmitted from a plurality of cells to a UE for coordinated multi-point (CoMP). In yet another aspect, a UE-RS may be transmitted in a data section of a subframe including only the data section. | 2011-09-08 |
20110216843 | TECHNIQUES TO REDUCE FALSE DETECTION OF CONTROL CHANNEL MESSAGES IN A WIRELESS NETWORK - A method and system of reducing false detection of control channel messages in a wireless communication system. This facilitates blind detection of control channel messages in the wireless communication network. In one embodiment of the invention, the control messages in the wireless communication system are randomized or scrambled to minimize or lower the probability of false detection of the control channel messages. The control channel message includes, but is not limited to, an Assignment Advanced Media Access Protocol (A-A-MAP) Information Element (IE) and the like. In one embodiment of the invention, the contents of the A-A-MAP IE are randomized or scrambled before encoding into A-A-MAP symbols. | 2011-09-08 |
20110216844 | BASE STATION, MOBILE STATION AND METHOD - A base station performs communication of an orthogonal frequency division multiplexing (OFDM) scheme with a mobile station by using any one of equal to or greater than two frequency bands. The base station includes means that transmits a synchronization channel and a control channel using a band that includes a center frequency f | 2011-09-08 |
20110216845 | RADIO COMMUNICATION DEVICE AND RADIO COMMUNICATION METHOD - Provided is a radio communication device which can separate propagation paths of antenna ports and improve a channel estimation accuracy even when using virtual antennas. The device includes: a mapping unit ( | 2011-09-08 |
20110216846 | METHOD AND USER EQUIPMENT FOR TRANSMITTING PRECODING MATRIX INFORMATION, AND METHOD AND BASE STATION FOR CONFIGURING PRECODING MATRIX - An apparatus and method for a precoding matrix are disclosed. A codebook used for selecting a precoding matrix is comprised of m subgroups each including n precoding matrices. A user equipment indicates a specific precoding matrix selected from the codebook by transmitting to a base station a first codebook index indicating one of the m subgroups and a second codebook index indicating one of n precoding matrices in a subgroup. The base station configures the specific precoding matrix from the codebook based on the first and second codebook indexes. | 2011-09-08 |
20110216847 | SIGNAL PROCESSING ARRANGEMENT AND METHOD WITH ADAPTABLE SIGNAL REPRODUCTION RATE - A signal data source, such as a video or audio decoder ( | 2011-09-08 |
20110216848 | WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD - A wireless communication apparatus and a wireless communication method wherein even when the permissible delay amount of data is small, the permissible delay thereof can be satisfied. A data type determining part ( | 2011-09-08 |
20110216849 | TRANSMISSION APPARATUS AND TRANSMISSION METHOD - A transmitter transmits data to a communicating opponent with a better channel condition with use of one or more frequency blocks including one or more carrier frequencies. The transmitter includes a communicating opponent selection unit evaluating the channel condition for each frequency block for each of plural communicating opponents and selecting one or more communicating opponents from the plurality of communicating opponents, a modulation scheme determination unit determining at least a modulation scheme depending on the evaluated channel condition, a control channel generation unit generating a control channel indicative of the determined modulation scheme and one or more frequency blocks available for the selected communicating opponents to receive a data channel, and a channel transmission unit providing the selected communicating opponents with the control channel and the data channel modulated in accordance with the modulation scheme. | 2011-09-08 |
20110216850 | MOBILE STATION - A mobile station configured to perform MIMO communication is disclosed, where the mobile station includes a control unit configured to determine a radio access scheme to be applied, based on at least one of a transmission frequency bandwidth to be used and a transmission stream number used in the MIMO communication. | 2011-09-08 |
20110216851 | ROBUST TRANSMIT/FEEDBACK ALIGNMENT - Performing digital predistortion (DPD) for widely spaced narrowband signals, such as the signal used in multi-carrier GSM, can be very difficult. Here, a system is provided the performs DPD for widely spaced narrowband signals. In particular, this system uses a polynomial curve for values of a cross-correlation function (above a predetermined threshold) to determine a delay estimate, which allows for a more robust and accurate system. | 2011-09-08 |
20110216852 | Architectures and methods for code combiners - Various embodiments are directed to systems and methods for combining a plurality of codes. The plurality of codes may be binary codes having possible logical values of −1 and +1 and may comprise an even number of codes. An output of the combining v | 2011-09-08 |
20110216853 | SYSTEMS AND METHODS FOR SLIDING CONVOLUTION INTERPOLATING FILTERS - Certain embodiments of the invention may include systems and methods for implementing a multirate digital interpolating filter. According to an example embodiment of the invention, the method includes sampling symbol data from one sample per symbol to N samples per symbol, wherein sampling includes: convolving the symbol data with a decimated finite impulse response (FIR) aperture impulse response coefficient set, convolving the symbol data with one or more shifted decimated FIR aperture impulse response coefficient sets, and summing the convolution results to produce interpolated bandlimited data. | 2011-09-08 |
20110216854 | RECEIVING DEVICE AND METHOD - A receiving device includes a FFT unit performing FFT on an input signal of a time domain to transform the input signal into a plurality of signals of frequency domains and outputting the plurality of signals of the frequency domains, a signal extracting unit extracting a signal with a power that is greater than a threshold value from among the plurality of signals of the frequency domains output from the first FFT unit and outputting the extracted signal, an IFFT unit performing IFFT on the extracted signal output from the signal extracting unit, a subtracting unit subtracting the extracted signal output from the IFFT unit from the input signal and outputs a subtracted signal, and a second FFT unit transforming the subtracted signal output from the subtracting unit into a signal of the frequency domain by performing the FFT on the subtracted signal output from the subtracting unit. | 2011-09-08 |
20110216855 | RECEIVER ARCHITECTURES FOR DIGITAL RADIO BROADCASTS AND ASSOCIATED METHODS - Receiver architectures and related methods are disclosed for high definition (HD) and digital radio FM broadcast receivers. The radio receiver architectures are configured to utilize multiple analog-to-digital converters (ADCs) to handle the digital radio spectrum and can be configured to modify a target IF frequencies depending upon the mode of operation of the receiver. For example, the receiver can include an analog FM reception mode and a digital FM reception mode for which different down-conversions are used for the same analog-plus-digital audio broadcast channel. If desired, the radio broadcast receivers disclosed can be configured so that they only receive digital FM radio content, for example, if the analog FM broadcast was of no interest and/or if the broadcast was all digital. | 2011-09-08 |
20110216856 | SYSTEMS AND METHODS FOR PRE-AVERAGED STAGGERED CONVOLUTION DECIMATING FILTERS - Certain embodiments of the invention may include systems and methods for implementing a multirate digital decimating filter for filtering received symbol data. The method may include sampling the received symbol data at a selected sample rate, pre-averaging the sampled received data to provide two samples per symbol; convolving the pre-averaged samples with decimated finite impulse response (FIR) aperture impulse response coefficients to produce detected output samples, convolving the pre-averaged samples with shifted decimated FIR aperture impulse response coefficients to produce zero-crossing transition samples, and adjusting the sample rate based at least in part on averaging the zero-crossing transition samples. | 2011-09-08 |
20110216857 | RECEIVER FOR A WIRELESS TELECOMMUNICATION SYSTEM WITH A CHANNEL DEINTERLEAVER - A receiver for wireless broadband telecommunication transmissions, the receiver including a demodulator for receiving transmitted modulated symbols, a channel deinterleaver memory coupled to the demodulator for receiving interleaved soft symbols and outputting deinterleaved soft symbols, an LLR calculator coupled to the channel deinterleaver memory for receiving the deinterleaved soft symbols and calculating LLRs therefore, a descrambler coupled to the LLR calculator for descrambling the LLRs, and an interleaved scrambling sequence generator coupled to the descrambler for generating an interleaved scrambling sequence and providing it to the descrambler. | 2011-09-08 |
20110216858 | METHOD AND DEVICE FOR CORRECTING IQ IMBALANCE OF BASEBAND SIGNALS IN WIRELESS COMMUNICATION RECEIVER - A method and a device for correcting In-phase/Quadrature (IQ) imbalance in baseband signals of a wireless communication receiver are disclosed. The method includes the following: the receiver receives Radio Frequency (RF) signals, and processes the signals to generate In-phase (I) signals and Quadrature (Q) signals; the receiver calculates to obtain an autocorrelation value E(|I| | 2011-09-08 |
20110216859 | High-Frequency Signal Receiver Simultaneously Receiving Several Such Signals - The present invention relates to a high-frequency signal receiver simultaneously receiving several such signals received by at least one antenna and comprising analog/digital conversion circuits converting these signals into digital form, and this receiver is characterized in that it comprises individual filtering digital circuits respectively filtering each of the carrier frequencies of these signals and digital processing circuits. | 2011-09-08 |
20110216860 | COMMUNICATION METHOD - A communication method is provided to reduce an overhead of inter-processor synchronization for a communication phase in collective communication and to speed up the collective communication. Each of processors in a parallel computer start a previous process before a collective communication phase in which communications are performed at a same time among the processors through a inter-processor network. Each processor executes a synchronization command in advance at a time when a portion of the previous process for a predetermined time t is left. The inter-processor synchronization control section transmits a synchronization completion notice to each processor, if a synchronization condition is met. For the period, each processor executes the previous process in parallel. Then, the plurality of processors enter the collective communication phase. | 2011-09-08 |
20110216861 | CIRCUITRY SYSTEM AND METHOD FOR CONNECTING SYNCHRONOUS CLOCK DOMAINS OF THE CIRCUITRY SYSTEM - A clock domain separation device and a method for operating the device is provided for separating two clock domains of a bus system in a system-on-chip (SoC). The clock domain separation device is a hardware module that acts as a guarding between the two clock domains that contain either bus end, and is generally applicable with handshake-type bus protocols. The clock domain separation module allows for each clock domain to switch its clock on and off independently from the state of the other clock domains, without risking data loss or protocol violation. | 2011-09-08 |
20110216862 | Synchronous Sequential Processing of Multi-Sampled Phase - The synchronous sequential processing of multi-sampled phase (SSP MSP) includes a method, a system and an apparatus for implementing programmable algorithms for analyzing a very wide range of low and high frequency wave-forms. | 2011-09-08 |
20110216863 | RECEIVING APPARATUS AND METHOD FOR SETTING GAIN - A receiving apparatus includes: a clock-data recovery circuit to generate a clock based on receive data and a setting circuit to set a gain of a filtering process to filter a phase difference between the receive data and the clock. | 2011-09-08 |
20110216864 | VARIABLE DELAY CIRCUIT AND DELAY-LOCKED LOOP INCLUDING THE SAME - The present disclosure provides a variable delay circuit comprising a delay circuit that includes a first delay unit and a second delay unit and delays an input signal to generate an output signal; a selection signal generation unit that detects a delay value of the delay circuit and generates a selection signal to select a delay unit for delaying the input signal from the first delay unit and the second delay unit; a first control unit that controls a delay value of the delay unit selected by the selection signal in response to a delay increase/decrease signal; and a second control unit that controls a delay value of the delay unit which is not selected by the selection signal. | 2011-09-08 |
20110216865 | SYSTEM, APPARATUS, AND METHOD OF FREQUENCY OFFSET ESTIMATION AND CORRECTION FOR MOBILE REMOTES IN A COMMUNICATION NETWORK - A frequency offset estimation and correction apparatus including a frame averaging unit to average a plurality of frequency offset values to obtain a frame offset average for each of a plurality of frames, a re-sampling unit to produce a plurality of interpolated frequency offset values uniformly distributed over a time period of a frame of the plurality of frames based on the frame offset average of the frame and a frame offset average of at least one frame that precedes the frame, and an exponential averaging unit to calculate the estimated frequency offset based on the plurality of interpolated frequency offset values weighted by an exponential averaging coefficient. | 2011-09-08 |
20110216866 | Method and apparatus for the production of nuclear fusion - By firing ionized reactant particles into a solid block of reactant, fusion reactions occur. As these particles are fired longitudinally into a thin sheet of reactant, fusion products are ejected laterally into a series of charged collectors. Unfused reactant ions that prematurely exit the solid reactant are recirculated by electric fields within the invention, boosting efficiency. Through the use of several collectors, charged particles of many energies are efficiently collected and converted to electric potential. The use of a solid sheet of reactant greatly increases the probability of fusion events taking place. The shape of the sheet acts to isolate the incoming reactant ions from the outgoing fusion products. Fusion products are not generally converted to heat by virtue of the small amount of material present in a typical product trajectory. Singly and together, these improvements act to greatly increase the efficiency of the reactor over prior art. | 2011-09-08 |
20110216867 | PROCESS AND TARGETS FOR PRODUCTION OF NO-CARRIER-ADDED RADIOTIN - One embodiment of the present invention includes a process for production and recovery of no-carrier-added radioactive tin (NCA radiotin). An antimony target can be irradiated with a beam of accelerated particles forming NCA radiotin, followed by separation of the NCA radiotin from the irradiated target. The target is metallic Sb in a hermetically sealed shell. The shell can be graphite, molybdenum, or stainless steel. The irradiated target can be removed from the shell by chemical or mechanical means, and dissolved in an acidic solution. Sb can be removed from the dissolved irradiated target by extraction. NCA radiotin can be separated from the remaining Sb and other impurities using chromatography on silica gel sorbent. NCA tin-117m can be obtained from this process. NCA tin-117m can be used for labeling organic compounds and biological objects to be applied in medicine for imaging and therapy of various diseases. | 2011-09-08 |
20110216868 | IRRADIATION TARGET POSITIONING DEVICES AND METHODS OF USING THE SAME - Example embodiments and methods are directed to irradiation target positioning devices and systems that are configurable to permit accurate irradiation of irradiation targets and accurate production of daughter products, including isotopes and radioisotopes, therefrom. These include irradiation target plates having precise loading positions for irradiation targets, where the targets may be maintained in a radiation field. These further include a target plate holder for retaining and positioning the target plates and irradiation targets therein in the radiation field. Example embodiments include materials with known absorption cross-sections for the radiation field to further permit precise, desired levels of exposure in the irradiation targets. Example methods configure irradiation target retention systems to provide for desired amounts of irradiation and daughter product production. | 2011-09-08 |
20110216869 | METHOD OF IMPROVING THE SPENT NUCLEAR FUEL BURNUP CREDIT - A dimensional reactivity management system that takes into account the axial burnup shape data of a nuclear fuel assembly to determine the acceptability of placement of the assembly relative to other assemblies in a storage container. | 2011-09-08 |
20110216870 | METHOD AND APPARATUS FOR PERMISSIVE CONTROL OF A MAST AND GRAPPLE - A method and apparatus for the permissive control of a mast and fuel grapple to be used in the movement of reactor fuel components, including fuel assemblies, single blade and double blade guides, to be used in a Boiling Water Reactor (BWR) nuclear reactor. The Permissive Control System reduces the chance of human error associated with the movement of reactor components by assisting in controlling the location (plant coordinate) of the mast for picking-up and dropping-off reactor components, the sequence of reactor component movements, the orientation (angular rotation) of the mast and fuel grapple, the raising and lowering of the grapple, and the opening and closing of the fuel grapple. | 2011-09-08 |
20110216871 | Channel-Lifting Tool and Method - A lifting tool is used for lifting a channel on and off of a nuclear fuel bundle. The lifting tool includes a lifting bail and a leg assembly secured to the lifting bail. The leg assembly has an adjustable width, adjustable between a narrower pre-lifting position and a wider lifting position. The lifting legs are engageable with the channel clips in the lifting position. | 2011-09-08 |
20110216872 | Boiling Water Nuclear Plant and Steam Dryer - In the boiling water nuclear plant of the present invention, a steam dryer is disposed in a reactor pressure vessel. Materials that have capability of capturing nitrogen compounds containing N-16 are supported on porous member. The porous members are placed in a region where steam goes through in the steam dryer. For example, both or either of perforated plates installed in the steam dryer is constituted of the porous member on which N-16 capture material is supported. When steam containing N-16 goes through the perforated plates, the N-16 is captured by the porous member, whereby the N-16 transfer amount into the turbine system is reduced. | 2011-09-08 |
20110216873 | PROTECTIVE GRID ATTACHMENT - A fuel assembly for a pressurized water reactor that has a protective grid attached to the bottom nozzle through a spacer insert captured between a control rod guide thimble end plug and the bottom nozzle. A thimble screw attaches the bottom nozzle to the control rod guide thimble end plug through a central opening in the spacer insert. The control rod guide thimble end plug is provided with a raised annular boss that encircles the thimble screw shank and rests against the upper surface of the bottom nozzle through the opening in the spacer insert. The opening in the spacer insert is large enough to provide both an axial and radial clearance between the spacer insert and the end plug to accommodate differences in thermal expansion. | 2011-09-08 |
20110216874 | PULSE SIGNAL OUTPUT CIRCUIT AND SHIFT REGISTER - An object of the present invention is to provide a pulse signal output circuit capable of operating stably and a shift register including the pulse signal output circuit. In an embodiment of the pulse signal output circuit, a transistor has a source terminal or a drain terminal connected to a gate electrode of another transistor having a source terminal or a drain terminal forming an output terminal of the pulse signal output circuit, the channel length of the transistor being longer than the channel length of the other transistor. Thereby, the amount of a leakage current modifying the gate potential of the other transistor can be reduced, and a malfunction of the pulse signal output circuit can be prevented. | 2011-09-08 |
20110216875 | PULSE SIGNAL OUTPUT CIRCUIT AND SHIFT REGISTER - A pulse signal output circuit capable of operating stably and a shift register including the pulse signal output circuit are provided. A clock signal is supplied to one of transistors connected to a first output terminal. A power supply potential is applied to one of transistors connected to a second output terminal. Thus, power consumed by discharge and charge of the transistor included in the second output terminal can be reduced. Further, since a potential is supplied from a power source to the second output terminal, sufficient charge capability can be obtained. | 2011-09-08 |
20110216876 | PULSE SIGNAL OUTPUT CIRCUIT AND SHIFT REGISTER - An object is to provide a pulse signal output circuit capable of operating stably and a shift register including the pulse signal output circuit. A pulse signal output circuit according to one embodiment of the disclosed invention includes first to tenth transistors. The ratio W/L of the channel width W to the channel length L of the first transistor and W/L of the third transistor are each larger than W/L of the sixth transistor. W/L of the fifth transistor is larger than W/L of the sixth transistor. W/L of the fifth transistor is equal to W/L of the seventh transistor. W/L of the third transistor is larger than W/L of the fourth transistor. With such a structure, a pulse signal output circuit capable of operating stably and a shift register including the pulse signal output circuit can be provided. | 2011-09-08 |
20110216877 | SHIFT REGISTER CIRCUIT - A shift register circuit with waveform-shaping function includes plural shift register stages. Each shift register stage includes a first input unit, a pull-up unit, a pull-down circuit, a second input unit, a control unit and a waveform-shaping unit. The first input unit is utilized for outputting a first driving control voltage in response to a first gate signal. The pull-up unit pulls up a second gate signal in response to the first driving control voltage. The pull-down circuit is employed to pull down the first driving control voltage and the second gate signal. The second input unit is utilized for outputting a second driving control voltage in response to the first gate signal. The control unit provides a control signal in response to the second driving control voltage and an auxiliary signal. The waveform-shaping unit performs a waveform-shaping operation on the second gate signal in response to the control signal. | 2011-09-08 |
20110216878 | SPECTRAL IMAGING - A spectral processor ( | 2011-09-08 |
20110216879 | Full Field Mammography With Tissue Exposure Control, Tomosynthesis, And Dynamic Field Of View Processing - A mammography system using a tissue exposure control relying on estimates of the thickness of the compressed and immobilized breast and of breast density to automatically derive one or more technic factors. The system further uses a tomosynthesis arrangement that maintains the focus of an anti-scatter grid on the x-ray source and also maintains the field of view of the x-ray receptor. Finally, the system finds an outline that forms a reduced field of view that still encompasses the breast in the image, and uses for further processing, transmission or archival storage the data within said reduced field of view. | 2011-09-08 |
20110216880 | SYSTEM AND METHOD FOR MOLECULAR BREAST IMAGING - A system and method for a molecular breast imaging (MBI) are provided. One MBI system includes at least one cadmium zinc telluride (CZT) detector having a plurality of pixels and a registered parallel hole collimator coupled to a face of the CZT detector. The registered parallel hole collimator includes a plurality of collimator holes, wherein the plurality of collimator holes are aligned with the plurality of pixels, and the spatial dimensions of the plurality of holes are configured based on characteristics of the CZT detector and the registered parallel hole collimator. | 2011-09-08 |
20110216881 | Method and System for Certifying Operators of X-Ray Inspection Systems - A method and system for using Threat Imaging Projection (TIP) technology, and the operator testing data that it generates, in order to certify x-ray inspection system operators and thereby assure an acceptable and uniform level of operator performance. In a preferred configuration, the operator views x-ray images of objects on a screening system equipped with TIP technology. When the operator believes that a threat item image appears on the screening system, the operator indicates such via an indicating means. The system is capable of recording, storing and transmitting individual operator performance data relating to proper detections, missed detections, and false alarms, i.e., when an operator indicates that a threat item image appears when no such image actually appears on the screening system. The system preferably contains a library of various threat item images, e.g., guns, bombs, knives, etc., which are classified according to type of threat and difficulty of detection. | 2011-09-08 |
20110216882 | Radiographic image capturing method and apparatus, and radiographic image generating method and apparatus - The grid is disposed between a subject to be imaged and a solid-state detector while a radiation source and radiation-impermeable members of a grid are in such a positional relationship that the orbital plane of the radiation source which is angularly movable and the direction in which the radiation-impermeable members extend are perpendicular to each other. The radiation source is moved to an angular position through an turning angle which is up to 5° excluding 0°, from a line normal to the solid-state detector. The radiation source moved to the angular position applies a radiation obliquely to the subject. | 2011-09-08 |
20110216883 | ENERGY SUBTRACTION IMAGING SYSTEM, X-RAY IMAGING APPARATUS, AND COMPUTER READABLE RECORDING MEDIUM - An energy subtraction radiographic imaging system for providing energy subtraction images of an object includes an X-ray radiation source configured to generate X-rays having various energy levels transmitting through the object, a radiation imaging apparatus configured to operate in association with operation of the X-ray radiation source for receiving X-rays transmitted through the object, the radiation imaging apparatus including a first imaging device, a second imaging device and an attenuating element disposed between said first imaging device and the second imaging device, the attenuating element configured to substantially absorb the X-rays at lower energy levels and substantially allowing transmission of the X-rays at higher energy levels so that said second imaging device substantially receives the X-rays at higher energy levels. | 2011-09-08 |
20110216884 | X-RAY IMAGING APPARATUS - An X-ray imaging apparatus is provided with a multi X-ray source and a collimator in which a plurality of slits for X-rays to pass through are two-dimensionally formed, the size and position of the slits being adjustable. A control unit, as a first control mode, controls the size and position of the slits to move an examination region in parallel, when an X-ray source is changed to a different X-ray source, such that the examination directions are parallel before and after the change. Also, the control unit, as a second control mode, controls the size and position of the slits to rotate the examination direction, when an X-ray source is changed to a different X-ray source, such that the center of the examination regions is the same before and after the change. | 2011-09-08 |
20110216885 | Applicator means for x-ray radiation therapy, fastening means as well as radiation therapy device - Among other things, an applicator means ( | 2011-09-08 |
20110216886 | Interleaving Multi-Energy X-Ray Energy Operation Of A Standing Wave Linear Accelerator - The disclosure relates to systems and methods for interleaving operation of a standing wave linear accelerator (LINAC) for use in providing electrons of at least two different energy ranges, which can be contacted with x-ray targets to generate x-rays of at least two different energy ranges. The LINAC can be operated to output electrons at different energies by varying the power of the electromagnetic wave input to the LINAC, or by using a detunable side cavity which includes an activatable window. | 2011-09-08 |
20110216887 | FACSIMILE APPARATUS, FAILURE DETECTION METHOD, AND COMPUTER READABLE MEDIUM - A facsimile apparatus includes a first detecting unit and a second detecting unit. The a first detecting unit detects whether a facsimile communication is established or not with a communication destination in a prescribed time after a selection signal is sent to the communication destination with a communication line held. The second detecting unit detects a state of the communication line with the communication line held when the first detecting unit detects that a facsimile communication is not established. | 2011-09-08 |
20110216888 | AUTOMATED ANSWERING PARTY IDENTIFICATION BY A VOICE OVER INTERNET PROTOCOL NETWORK - A server device transmits a call to a user device; receives a signal in response to the call; receives speech when the call is answered; performs an operation to determine a signal factor and another signal factor based on a signal duration; performs another operation to determine a speech factor and another speech factor based on a speech duration; determines whether the speech contains key words; performs an action to determine a confidence factor and another confidence factor based on the speech; computes a factor based on the signal factor, the speech factor, and the confidence factor; computes another factor based on the other signal factor, the other speech factor, and the other confidence factor; determines that the party is the user device when the total factor is less than the other total factor; and outputs a non-interactive message based on the determination that the party is the user device. | 2011-09-08 |
20110216889 | Selectable State Machine User Interface System - A system that concurrently provides multiple user interface (UI) mechanisms that facilitate control of an application state machine (e.g., unified message system). More particularly, the invention can create two relatively distinct user experiences, one via dual tone multi-frequency (DTMF) navigation and another through speech recognition navigation of a unified message system. In accordance therewith, one single underlying state machine can be used. Navigation and flow control (e.g., state transitions) in the state machine can be leveraged by multiple UI mechanisms that actively co-exist. The invention introduces speech recognition features together with other input mechanisms to drive the UI of an application state machine (e.g., unified messaging system). The speech recognition UI can be designed to provide a natural navigation through the application independent of a DTMF UI. | 2011-09-08 |
20110216890 | METHOD AND SYSTEM FOR PROVIDING INFORMATION AND ADVERTISING CONTENT IN A TELEPHONE SYSTEM - A method for operating a directory assistance process adapted to provide a targeted message to incoming callers totally or substantially free of one or more 411-type directory assistance calling charges. The method includes receiving a phone call from an incoming caller and receiving a voice based request for information associated with directory assistance from the caller. The method also includes determining phone number information in response to the request through one or more first databases and identifying a phone number associated with the incoming caller using a caller identification process. The method further includes querying at least one database to ascertain a match between the phone number associated with the incoming caller and at least one of a plurality of identifiers in the at least one database, determining at least one message, transmitting the determined message to the incoming caller, and transmitting the phone number information to the incoming caller. | 2011-09-08 |
20110216891 | METHOD AND EQUIPMENT FOR IMPLEMENTING INFORMATION EXCHANGE - A method for implementing information exchange is disclosed in the present invention, and the method comprises: a calling user terminal sending information to be sent to a called user terminal by carrying the information in a user-to-user signaling (UUS) field of a call message; the called user terminal sorting out the information carried in the UUS field from the call message after receiving the call message, and feeding back a message other than an acknowledge message to the calling user terminal; the calling user terminal terminating this call after receiving the message fed back by the called user terminal. The simplicity and the easy transformation of the software update of user terminals are fully utilized in the present invention; therefore the present invention can enable a user terminal to have the information exchange function only by properly modifying the software of the user terminal. | 2011-09-08 |
20110216892 | SG3-TO-G3 FAX SPOOF - In one embodiment, an originating gateway receives a call menu (CM) signal from an originating fax machine. The CM signal may have been generated in response to an ANSam signal from a terminating fax machine. The originating gateway suppresses the CM signal after a preamble of the CM signal and generates a modified JM signal in response to receiving the CM signal. The modified JM signal indicates that V.34 half-duplex modulation is not an option. The originating gateway transmits the modified JM signal to the originating fax machine, which allows the transmission to continue across an unenhanced T.38 fax relay. | 2011-09-08 |
20110216893 | IMAGE FORMING APPARATUS AND NOTIFICATION METHOD OF RECEIVING DATA BY FAX - An image forming apparatus is provided that includes a fax unit which receives fax data; a communication interface which searches for connectable control points; an address management unit which selects a control point to be notified of fax reception information from among the searched control points; and a DLNA stack unit which notifies the selected control point of the fax reception information through the communication interface. | 2011-09-08 |
20110216894 | Tool for Assessing Early Termination Penalty - A computer-implemented method and tool for assessing an early termination penalty on telecommunications service subscribers. In response to a subscriber's request for termination, a customer service representative engages the computerized assessment tool to answer a series of questions about that subscriber. The tool assigns a predetermined weight to each answer and calculates a final score when all questions have been answered. Based on this final score, the tool determines whether an early termination penalty should be levied and provides notice to the customer service representative. | 2011-09-08 |
20110216895 | TECHNIQUE FOR SELECTIVE PRESENTATION OF INFORMATION IN RESPONSE TO A REQUEST FOR INFORMATION ASSISTANCE SERVICE - In accordance with the present invention, when a user makes an information assistance call to an information/call center requesting a listing, the user can make arrangements for various services relating to the requested listing in the same call. These services may be presented to an operator as options, and in turn presented to the user for selection. However, the options undesired by the user, based on personal preferences stored in a personal profile, or unsupported by the telephone service to which the user subscribes are not presented to the operator and thus not made available to the user. If the user is interested in any of the available options, the operator accesses the selected option and makes an appropriate arrangement for the underlying service for the user. | 2011-09-08 |
20110216896 | DESKTOP RECORDING ARCHITECTURE FOR RECORDING CALL SESSIONS OVER A TELEPHONY NETWORK - Systems and methods for recording call sessions over a telephony network using a desktop recording architecture are disclosed. An illustrative system for recording call sessions over a telephony network includes one or more user telephone stations equipped with a telephone and computer desktop, and one or more additional record services or record servers. A desktop recording service associated with the computer desktop is configured to operate as either a primary or secondary recording service for recording inbound or outbound calls conducted over the user telephone station. | 2011-09-08 |
20110216897 | Providing Information by a Contact Center - A method for a contact center to provide information to one or more users in response to one or more inquiries from the one or more users is presented. For example, the method includes accessing, using at least one client adaptor, at least one agent group that includes at least one agent having knowledge regarding the one or more inquiries. The method further includes the at least one agent responding to the one or more inquiries using the at least one client adaptor. The at least one agent group has pre-existing communications infrastructure that is accessed by a computing platform of the contact center using the at least one client adaptor. | 2011-09-08 |
20110216898 | TELEPHONE HAVING ROTATABLE HOOK TO SUPPORT HANDSET - A telephone includes a handset, a base and a hook. The handset includes a earpiece defining a slot. The base defines a first recess and an opening. The first recess is configured for receiving the earpiece. The opening includes a second recess and a through hole defined in a bottom of the second recess. The hook includes a head and an elastic rod protruding from the head. The rod is rotatably received in the through hole. The head is received in the second recess and able to rotate and insert into the slot for supporting the handset. | 2011-09-08 |
20110216899 | ARITHMETIC OPERATION METHOD AND ARITHMETIC OPERATION DEVICE - In an arithmetic operation method and an arithmetic operation device arithmetic operations such as exponentiation or scalar multiplication can be performed at high speed. In the case where there exists a plurality of different elements Y and each element Y is represented by tuples in which a plurality of different elements X are combined with an operator, an arithmetic operation method for calculating each element Y by using an electronic computer, associates each element Y with the element X by setting each element X, sets temporary data having an index indicating whether or not each element Y has an identical element X for each element X, and represents each element Y by the temporary data combined with the operator. When there is a combination of temporary data which is common in plurality of elements Y in temporary data contained in each element Y, new temporary data is set by combining the common temporary data and each element Y consisting of each tuple is calculated using the new temporary data. | 2011-09-08 |
20110216900 | METHODS OF ENCRYPTION AND DECRYPTION AND ENCRYPTION SYSTEMS USING THE SAME - Provided is a decryption method of an encryption algorithm. In the decryption method, a secret key can be received. A plurality of Montgomery multiplications can be repeated on a cipher text until a modular exponentiation of the secret key. When the repeated Montgomery multiplications are performed, an order of the plurality of Montgomery multiplications or an order of operands can be arbitrarily changed. | 2011-09-08 |
20110216901 | Keystream encryption device, method, and program - A stream encryption device generates a first pseudo random number sequence from key information, generates a second pseudo random number sequence according to clock control performed according to the first pseudo random number sequence, and subjects it to a nonlinear function calculation, thereby generating a key stream. The stream encryption device performs XOR operation with a plain text so as to create an encrypted text. | 2011-09-08 |
20110216902 | Computation of garbled tables in garbled circuit - An efficient encryption system for improving the computation speed of a garbled circuit is set forth. The garbled circuit includes a number of garbled Boolean gates having first and second garbled Boolean gate input wires. The system includes a first key ki on a first garbled gate input wire. A second key kj is also provided on a second garbled gate input wire. A programmable function is provided for combining the first key ki and the second key kj to obtain an encrypted output key. A method for expediting encryption and decryption of a garbled circuit having a number of encryptions for a garbled table of a garbled gate is also set forth. The method includes the steps of: forming the garbled table with a number of secret keys by applying a function to the secret keys to produce less than twice the number of secret keys as the number of encryptions for the garbled table, and evaluating the garbled table to decrypt an output key of the garbled table. | 2011-09-08 |
20110216903 | METHOD AND DEVICE FOR EMITTING MESSAGES FOR GUARANTEEING THE AUTHENTICITY OF A SYSTEM AND METHOD AND DEVICE FOR VERIFYING THE AUTHENTICITY OF SUCH A SYSTEM - The invention relates to a method for emitting messages in order to guarantee the authenticity of the system that emitted said messages. The method includes the following steps, namely: a step comprising the selection of a threshold value used in a threshold-based cryptographic scheme, which value is greater than or equal to 1;—a step comprising the generation of a set of partial information items, such that knowledge of a number i, greater than or equal to the threshold value K, of partial information items can be used to verify a signature of at least part of the messages; and a fourth step comprising the sending of each partial information item separately in a distinct message. The invention also relates to a device for emitting messages for guaranteeing the authenticity of the system that emitted the messages, as well as to a method and a device for verifying the authenticity of such a system. In particular, the invention is suitable for global satellite-based radiocommunication and radionavigation systems. | 2011-09-08 |
20110216904 | METHOD AND APPARATUS FOR IMPROVED SECURE TRANSMISSION BETWEEN WIRELESS COMMUNICATION COMPONENTS - A method for transmitting secured data over a wireless communication network. The method includes transmitting a subframe. The subframe has a preamble, an initialization vector comprising an encrypting key and a burst wherein the burst is encrypted based on the initialization vector and wherein the burst further has a payload and a cyclic redundancy check. The method further includes providing a decrypting key wherein the decrypting key allows the burst to be decrypted. | 2011-09-08 |
20110216905 | CHANNEL COMPRESSION - Techniques implemented as systems, methods, and apparatuses, including computer program products, for logging multi-channel audio signals. The techniques include receiving a first audio input signal over a first audio channel and a second audio input signal over a second audio channel, the first audio channel and the second audio channel forming portions of a multi-channel call; generating supplemental information representative of characteristics of the first audio input signal, the second audio input signal, or both; after generating the supplemental information, combining the first audio input signal and the second audio input signal to form an audio output signal of a single-channel format; and storing the generated supplemental information in association with an identifier of the audio output signal, wherein at least a portion of the generated supplemental information is sufficient to enable information associated with the first audio input signal, the second audio input signal, or both to be derived from the audio output signal of the single-channel format. | 2011-09-08 |
20110216906 | ENABLING 3D SOUND REPRODUCTION USING A 2D SPEAKER ARRANGEMENT - The perception of 3D sound positioning can be achieved using a 2D arrangement of speakers positioned around the listener. The disclosed techniques can enable listeners to perceive sounds as coming from above and/or below them, without the need for positioning speakers above and/or below the listener. In some embodiments, elevation information can be included in the X and Y horizontal components of the 2D ambisonics encoding. The X and Y components can be decoded using 2D ambisonics decoding. Suitable filtering may be performed on the decoded sound information to enhance the listener's perception of the elevation information encoded in the X and Y components. | 2011-09-08 |
20110216907 | MULTI-ELEMENT DIRECTIONAL ACOUSTIC ARRAYS - An audio system including a left input channel signal, a right input channel signal, and a discrete center input channel. Circuitry removes correlated content from the left input channel signal and the right input channel signal and inserts the correlated content into the center input channel signal to provide a modified left input channel signal, a modified right input channel signal, and a modified center input channel signal. The modified left input channel signal is radiated by a directional loudspeaker so that radiation in a direction toward a listening area is less than radiation in other directions. The modified right channel input channel signal is radiated by a directional loudspeaker so that radiation in a direction toward a listening area is less than radiation in other directions. | 2011-09-08 |
20110216908 | APPARATUS FOR MERGING SPATIAL AUDIO STREAMS - An apparatus for merging a first spatial audio stream with a second spatial audio stream to obtain a merged audio stream comprising an estimator for estimating a first wave representation comprising a first wave direction measure and a first wave field measure for the first spatial audio stream, the first spatial audio stream having a first audio representation and a first direction of arrival. The estimator being adapted for estimating a second wave representation comprising a second wave direction measure and a second wave field measure for the second spatial audio stream, the second spatial audio stream having a second audio representation and a second direction of arrival. The apparatus further comprising a processor for processing the first wave representation and the second wave representation to obtain a merged wave representation comprising a merged wave field measure and a merged direction of arrival measure, and for processing the first audio representation and the second audio representation to obtain a merged audio representation, and for providing the merged audio stream comprising the merged audio representation and the merged direction of arrival measure. | 2011-09-08 |
20110216909 | High Transmission Loss Cushion - A headset including an earcup having a front opening adapted to be adjacent to the ear of a user, the earcup extending in a radial direction and an axial direction and defining an earcup volume; and a bellows cushion extending around the periphery of the front opening of the earcup and sized to engage the ear of the user, the bellows cushion comprising a plurality of folded segments located at an outer radial portion of the bellows cushion, and configured to be substantially compliant along an axial direction. | 2011-09-08 |
20110216910 | ADAPTIVE NOTCH FILTER WITH VARIABLE BANDWIDTH, AND METHOD AND APPARATUS FOR CANCELING HOWLING BY USING THE ADAPTIVE NOTCH FILTER WITH VARIABLE BANDWIDTH - A variable-bandwidth adaptive notch filter which cancels howling from an input signal with a bandwidth varying according to a howling frequency to generate an output signal. | 2011-09-08 |
20110216911 | EAR-MICROPHONE HAVING ESD ENHANCING FUNCTION - An ear-microphone for connection to a portable apparatus and use as a Frequency Modulation (FM) radio broadcast receiving antenna is provided. The ear-microphone includes an ear plug, a cable, a microphone, and a filtering unit. The ear plug is for connection to an earjack. The cable has a predefined length, has an earphone line whose one end is electrically connected to the ear plug and whose other end is electrically connected to at least one earphone. The microphone intervenes in an intermediate portion of the cable and is connected to the ear plug via a microphone line inside the cable. The filtering unit intervenes in the cable and is installed to have an Electro Static Discharge (ESD) protection function. | 2011-09-08 |
20110216912 | CIRCUIT APPARATUS AND METHOD FOR DETECTING EARPHONE IN PORTABLE TERMINAL - A circuit apparatus and a method for detecting an earphone in a portable terminal are provided. The apparatus includes an earjack, a first switch, a second switch, a comparator, and a main chip. The earjack outputs a signal informing whether an earphone is inserted, provides a signal input from a third pole of the inserted earphone to the first switch, and provides a signal input from a fourth pole to the second switch. The first switch outputs a signal provided from the earjack to one of a comparator and a ground depending on an input control signal. The second switch outputs a signal provided from the earjack to one of the comparator and the ground depending on the input control signal. The comparator compares a voltage of a signal provided from one of the first switch and the second switch with a reference voltage to output a signal representing a comparison result. The main chip outputs the control signal depending on the signal informing whether the earphone is inserted, and one of changes and maintains the control signal depending on an output signal of the comparator. | 2011-09-08 |