24th week of 2013 patent applcation highlights part 33 |
Patent application number | Title | Published |
20130148717 | VIDEO PROCESSING SYSTEM AND METHOD FOR PARALLEL PROCESSING OF VIDEO DATA - The invention pertains to a video processing system for video processing, the video processing system being arranged to assign tasks to least two parallel processing units capable of parallel processing of tasks. The video processing system is further arranged to control at least one storage device to store input video data to be processed, processed video data and a task list of video processing tasks. The video processing system is arranged to provide and/or process video data having a hierarchical enhancement structure comprising at least one basic layer and one or more enhancement layers dependent on the basic layer and/or at least one of the other enhancement layers. It is further arranged to assign at least one task of the task list to one of the parallel processing units; and to update, after the parallel processing unit has processed a task, the task list with information regarding tasks related to at least one enhancement layer dependent on the processed task. The invention also pertains to a corresponding method for parallel processing of video data. | 2013-06-13 |
20130148718 | 8-POINT TRANSFORM FOR MEDIA DATA CODING - In general, techniques are described for implementing an 8-point inverse discrete cosine transform (IDCT). An apparatus comprising an 8-point inverse discrete cosine transform (IDCT) hardware unit may implement these techniques to transform media data from a frequency domain to a spatial domain. The 8-point IDCT hardware unit includes an even portion comprising factors A, B that are related to a first scaled factor (μ) in accordance with a first relationship. The 8-point IDCT hardware unit also includes an odd portion comprising third, fourth, fifth and sixth internal factors (G, D, E, Z) that are related to a second scaled factor (η) in accordance with a second relationship. The first relationship relates the first scaled factor to the first and second internal factors. The second relationship relates the second scaled factor to the third, fourth, fifth and sixth internal factors. | 2013-06-13 |
20130148719 | High Precision Encoding and Decoding of Video Images - Methods, systems, and computer programs for improved quality video compression. Image quality from MPEG-style video coding may be improved by preserving a higher number of bits during intermediate encoding and decoding processing steps. Problems of inverse discrete cosine transform (IDCT) mismatch can be eliminated by exactly matching the IDCT function numerical algorithm of the decoder to the IDCT function numerical algorithm used for the decoding portion of the encoder. Also included is an application of high precision compression to wide dynamic range images by extending the range of the “quantization parameter” or “QP”. The extension of QP may be accomplished either by increasing the range of QP directly, or indirectly through a non-linear transformation. Also included is an application of extended intermediate processing precision and an extended QP range to reduced contrast regions of an image to extend the precision with which the low-contrast portions are compression coded. | 2013-06-13 |
20130148720 | SELECTIVE MIRRORING OF MEDIA OUTPUT - According to some aspects, this disclosure describes techniques for mirroring native media output of a source device via a different destination device. According to the techniques described herein, the source device may control the destination device to the media via an output interface associated with the destination device. The source device may receive a media element of the native media. In response to receiving the native media element, the source device may determine whether to output (mirror) the native media including the media element based on at least one parameter associated with the media element. According to other aspects, this disclosure describes techniques for preventing at least one media element from being mirrored via a destination device operating to mirror other native media. As one example, the source device may change how the source device encodes at least one region associated with the media element, in order to freeze media output associated with the at least one region. | 2013-06-13 |
20130148721 | Reference Frame Management for Screen Content Video Coding Using Hash or Checksum Functions - Techniques are provided for reference frame management for screen content video coding using hash or checksum functions. A video data stream including a plurality of frames is received, each frame including a plurality of pixels that define content within the frame. A plurality of hash code values associated with partitioned portions of a current frame are determined, where each hash code value is determined as an output value from a hash or checksum function based upon an input value comprising pixel values for a corresponding partition within the current frame. The current frame is compared with a plurality of reference frames based upon a comparison of the hash code values of the current frame with hash code values of the reference frames. A reference frame is selected as a candidate reference frame for coding the current frame. | 2013-06-13 |
20130148722 | REFERENCE PICTURE LIST MODIFICATION FOR VIEW SYNTHESIS REFERENCE PICTURES - A video encoder generates a bitstream that includes a reference picture list modification (RPLM) command. The RPLM command belongs to a type of RPLM commands for inserting short-term reference pictures into reference picture lists. The RPLM command instructs a video decoder to insert a synthetic reference picture into the reference picture list. The video decoder decodes, based at least in part on syntax elements parsed from the bitstream, one or more view components and generates, based at least in part on the one or more view components, the synthetic reference picture. The video decoder modifies, in response to the RPLM commands, a reference picture list to include the synthetic reference picture. The video decoder may use one or more pictures in the reference picture list as reference pictures to perform inter prediction on one or more video blocks of a picture. | 2013-06-13 |
20130148723 | Block Error Compensating Apparatus Of Image Frame And Method Thereof - An apparatus and method are provided for compensating a block error in an image frame. This may include a video codec decoder for decoding an inputted image frame, and outputting a decoded image frame. An error concealment block may detect an error-generated block in the decoded image frame and compensate the detected error block through a median filter, and output the compensated image frame. | 2013-06-13 |
20130148724 | Block Error Compensating Apparatus Of Image Frame And Method Thereof - An apparatus and method are provided for compensating a block error in an image frame. This may include a video codec decoder for decoding an inputted image frame, and outputting a decoded image frame. An error concealment block may detect an error-generated block in the decoded image frame and compensate the detected error block through a median filter, and output the compensated image frame. | 2013-06-13 |
20130148725 | Block Error Compensating Apparatus Of Image Frame And Method Thereof - An apparatus and method are provided for compensating a block error in an image frame. This may include a video codec decoder for decoding an inputted image frame, and outputting a decoded image frame. An error concealment block may detect an error-generated block in the decoded image frame and compensate the detected error block through a median filter, and output the compensated image frame. | 2013-06-13 |
20130148726 | METHOD AND APPARATUS FOR ENCODING AND DECODING BASED ON INTRA PREDICTION - Methods and apparatuses for encoding and decoding based on intra prediction. The method of encoding an image based on intra prediction comprises dividing a current block into a plurality of sub blocks so that a plurality of unit blocks adjacent to each other are included in one of the sub blocks based on an intra prediction direction of each of the unit blocks included in the current block, and performing intra prediction encoding on each of the sub blocks so that only information about one intra prediction direction is encoded in each of the sub blocks. | 2013-06-13 |
20130148727 | METHOD AND APPARATUS FOR ENCODING VIDEO, AND METHOD AND APPARATUS FOR DECODING VIDEO - Disclosed is a method of encoding a video, the method including: splitting a current picture into at least one maximum coding unit; determining a coded depth to output a final encoding result according to at least one split region obtained by splitting a region of the maximum coding unit according to depths, by encoding the at least one split region, based on a depth that deepens in proportion to the number of times the region of the maximum coding unit is split; and outputting image data constituting the final encoding result according to the at least one split region, and encoding information about the coded depth and a prediction mode, according to the at least one maximum coding unit. | 2013-06-13 |
20130148728 | METHOD AND APPARATUS FOR ENCODING VIDEO, AND METHOD AND APPARATUS FOR DECODING VIDEO - Disclosed is a method of encoding a video, the method including: splitting a current picture into at least one maximum coding unit; determining a coded depth to output a final encoding result according to at least one split region obtained by splitting a region of the maximum coding unit according to depths, by encoding the at least one split region, based on a depth that deepens in proportion to the number of times the region of the maximum coding unit is split; and outputting image data constituting the final encoding result according to the at least one split region, and encoding information about the coded depth and a prediction mode, according to the at least one maximum coding unit. | 2013-06-13 |
20130148729 | IMAGE CODING METHOD, IMAGE DECODING METHOD, IMAGE CODING DEVICE, AND IMAGE DECODING DEVICE - An image coding method according to the present invention partitions an input image signal into processing units, and codes the partitioned image to generate a code sequence, the image coding method including: determining a partitioning pattern for hierarchically partitioning the input image signal in order starting from a largest unit of the processing units; generating partition information indicative of the partitioning pattern; and coding partition information, wherein the partition information includes maximum used hierarchy depth information indicative of a maximum used hierarchy depth which is a hierarchy depth of a deepest processing unit of the processing units included in the partitioning pattern. | 2013-06-13 |
20130148730 | METHOD AND APPARATUS FOR PROCESSING OCCLUSIONS IN MOTION ESTIMATION - A method and an apparatus for processing occlusions in motion estimation are described. For processing an occlusion in a forward motion field of a second frame relative to a first frame the forward motion field of the second frame relative to the first frame is determined with a motion estimator. Then an area in the second frame that is occluded in the first frame is identified with an occlusion identifier. Finally, a motion corrector determines a corrected forward motion field by filling the forward motion field in the identified area in the second frame using motion vectors of a previous backward motion field of the second frame relative to a previous third frame. | 2013-06-13 |
20130148731 | ENCODING AND DECODING USING PERCEPTUAL REPRESENTATIONS - Encoding a video signal including pictures includes generating perceptual representations based on the pictures. Reference pictures are selected and motion vectors are generated based on the perceptual representations and the reference pictures. The motion vectors and pointers for the reference pictures are provided in an encoded video signal. Decoding may include receiving pointers for reference pictures and motion vectors based on perceptual representations of the reference pictures. The decoding of the pictures in the encoded video signal may include selecting reference pictures using the pointers and determining predicted pictures, based on the motion vectors and the selected reference pictures. The decoding may include generating reconstructed pictures from the predicted pictures and the residual pictures. | 2013-06-13 |
20130148732 | VARIABLE BLOCK SIZED HIERARCHICAL MOTION ESTIMATION - Systems, devices and methods are described for performing hierarchical motion estimation by downsampling a current frame to generate a downsampled current frame, specifying a downsampled block in the downsampled current frame, where the downsampled block corresponds to a block of the current frame, and specifying a source block associated with the downsampled block, where the source block is larger than the downsampled block. Motion estimation may then be performed in a downsampled reference frame using the source block. | 2013-06-13 |
20130148733 | MOTION ESTIMATION APPARATUS AND METHOD - Disclosed are motion estimation apparatus and method. The present invention can reduce an external memory access in an area in which a macroblock is large while preventing image quality from deteriorating due to motion estimation according to coding units, by obtaining a minimum motion vector using a prediction method in 64×64 and 32×32 modes for the coding units meeting a high efficiency video coding (HEVC) standard and obtaining a motion vector using a full search method in other modes. | 2013-06-13 |
20130148734 | IMAGE CODING APPARATUS, IMAGE CODING METHOD AND IMAGE CODING PROGRAM, AND IMAGE DECODING APPARATUS, IMAGE DECODING METHOD AND IMAGE DECODING PROGRAM - A geometric-transformation motion compensation prediction unit calculates, for each of a plurality of prediction modes, a motion vector and a prediction signal between a target block in a target image and a reference block in a reference image obtained by performing geometric transformation on the target block, selects pixels located at vertices constituting the target block, pixels located near the vertices, or interpolation pixels located near the vertices as representative pixels corresponding to the vertices in each prediction mode, calculates the respective motion vectors of these representative pixels, and calculates the respective motion vectors of pixels other than the representative pixels by interpolation using the motion vectors of the representative pixels so as to calculate the prediction signal. | 2013-06-13 |
20130148735 | APPARATUS FOR DECODING MOTION INFORMATION IN MERGE MODE - Disclosed is an apparatus for decoding motion information in merge mode for reconstructing a moving picture signal coded at a low data rate while maintaining a high quality of an image. The apparatus for decoding motion information in merge mode discloses the position of a merge mode candidate and the configuration of a candidate in order to predict motion information in merge mode efficiently. Furthermore, a merge candidate indicated by the merge index of a current block can be efficiently reconstructed irrespective of a network environment by adaptively generating a merge candidate based on the number of valid merge candidate. | 2013-06-13 |
20130148736 | METHOD AND APPARATUS FOR ESTIMATING MOTION VECTOR USING PLURALITY OF MOTION VECTOR PREDICTORS, ENCODER, DECODER, AND DECODING METHOD - Provided are a method and apparatus for estimating a motion vector using a plurality of motion vector predictors, an encoder, a decoder, and a decoding method. The method includes calculating spatial similarities between the current block and the plurality of neighboring partitions around the current block, selecting at least one of the neighboring partitions based on the calculated spatial similarities, and estimating a motion vector of the selected partition as the motion vector of the current block. | 2013-06-13 |
20130148737 | SPATIOTEMPORAL PREDICTION FOR BIDIRECTIONALLY PREDICTIVE (B) PICTURES AND MOTION VECTOR PREDICTION FOR MULTI-PICTURE REFERENCE MOTION COMPENSATION - Several improvements for use with Bidirectionally Predictive (B) pictures within a video sequence are provided. In certain improvements Direct Mode encoding and/or Motion Vector Prediction are enhanced using spatial prediction techniques. In other improvements Motion Vector prediction includes temporal distance and subblock information, for example, for more accurate prediction. Such improvements and other presented herein significantly improve the performance of any applicable video coding system/logic. | 2013-06-13 |
20130148738 | Global Motion Vector Estimation - An image sequence comprises at least a first image and a second image. A motion vector (MV(1)) is associated to these first and second images and is defined in a coordinate system having at least a first direction and a second direction, the second direction being different from said first direction. This motion vector has a first previous component value (MV | 2013-06-13 |
20130148739 | VIDEO ENCODING METHOD AND APPARATUS USING TRANSFORMATION UNIT OF VARIABLE TREE STRUCTURE, AND VIDEO DECODING METHOD AND APPARATUS - A video encoding method is provided, the method includes: encoding a current region of a video by performing a transformation on the current region by using transformation units in a variable tree-structure which are determined from among transformation units that are hierarchically split from a base transformation unit with respect to the current region and which are generated based on a maximum split level of a transformation unit; and outputting encoded data of the current region, information about an encoding mode, and transformation-unit hierarchical-structure information comprising maximum size information and minimum size information of the transformation unit with respect to the video. | 2013-06-13 |
20130148740 | METHOD AND APPARATUS FOR PROCESSING PARTIAL VIDEO FRAME DATA - Methods and apparatus for processing a partial video frame are provided. In an exemplary method, first pixel data for a first video frame is received. Second pixel data for a second video frame that is subsequent to the first video frame is also received. Macro-blocks of pixels from the first and second pixel data that have changed between the first and second video frames are identified. Only the changed macro-blocks of pixels along with sufficient meta-data are transmitted to a video receiver. At least one of cursor pointer video data, mouse pointer video data, and overlay video data can be composited with the changed macro-blocks of pixels. | 2013-06-13 |
20130148741 | Method, System and Apparatus for Enhanced Video Transcoding - A system to perform automated conversion of video data includes a transcoder with a decoder processing video data for automatic video format detection and conversion of video data into uncompressed format; and an image scaler coupled to the setting controller to perform automatic video image size conversion based on horizontal and/or vertical scaling factors. The system also includes a video data pre-processor for compression of video data; a compression encoder to convert video data into compressed format; and a degradations and distortions meter (video quality analyzer) to process video data and data generated by said transcoder. | 2013-06-13 |
20130148742 | IMAGE CODING METHOD, IMAGE CODING APPARATUS, IMAGE DECODING METHOD AND IMAGE DECODING APPARATUS - An image coding method including: binarizing last position information to generate (i) a binary signal which includes a first signal having a length smaller than or equal to a predetermined maximum length and does not include a second signal or (ii) a binary signal which includes the first signal having the predetermined maximum length and the second signal; first coding for arithmetically coding each of binary symbols included in the first signal using a context switched among a plurality of contexts according to a bit position of the binary symbol; and second coding for arithmetically coding the second signal using a fixed probability when the binary signal includes the second signal, wherein in the first coding, a binary symbol at a last bit position of the first signal is arithmetically coded using a context exclusive to the last bit position, when the first signal has the predetermined maximum length. | 2013-06-13 |
20130148743 | METHOD AND SYSTEM TO IMPROVE THE TRANSPORT OF COMPRESSED VIDEO DATA - A method comprises determining a plurality of time intervals Tp and Tn within a variable bit rate (VBR) representation of an image sequence. The time intervals Tp are those in which a number of blocks of information per unit time is greater than a baseline value. The time intervals Tn are those in which a number of blocks of information per unit time is less than the baseline value. A second representation of the image sequence is created in which some blocks of information Bp are removed from the time intervals Tp and interlaced with blocks of information Bn in the time intervals Tn to reduce a variation in a number of blocks of information per unit time between the time intervals Tp and Tn. | 2013-06-13 |
20130148744 | Block Error Compensating Apparatus Of Image Frame And Method Thereof - An apparatus and method are provided for compensating a block error in an image frame. This may include a video codec decoder for decoding an inputted image frame, and outputting a decoded image frame. An error concealment block may detect an error-generated block in the decoded image frame and compensate the detected error block through a median filter, and output the compensated image frame. | 2013-06-13 |
20130148745 | High Bandwidth Decompression of Variable Length Encoded Data Streams - Mechanisms are provided for decoding a variable length encoded data stream. A decoder of a data processing system receives an input line of data. The input line of data is a portion of the variable length encoded data stream. The decoder determines an amount of bit spill over of the input line of data onto a next input line of data. The decoder aligns the input line of data to begin at a symbol boundary based on the determined amount of bit spill over. The decoder tokenizes the aligned input line of data to generate a set of tokens. Each token corresponds to an encoded symbol in the aligned next input line of data. The decoder generates an output word of data based on the set of tokens. The output word of data corresponds to a word of data in the original set of data. | 2013-06-13 |
20130148746 | Scheduling for Charger and Electric Vehicle Communication in Power Line Communication System - Systems and methods for establishing scheduling for charger and electric vehicle communication in a PLC system are described. In an illustrative embodiment, a method performed by a PLC device. In a further embodiment, the PLC device may be configured to operate according to a narrow-band PLC communication protocol. In a further embodiment, the narrow-band PLC communications between PLC devices in the charger and the electric vehicle are conducted over a pilot wire coupling the charger to the electric vehicle. In still a further embodiment, the pilot wire may be one of a standard set of existing wires in a standard cable used for connecting the charger to the electric vehicle. | 2013-06-13 |
20130148747 | TRANSMITTING ELECTRICAL POWER AND COMMUNICATION SIGNALS - A system for transmitting electrical power and communication signals is provided. The system comprises a transmission line, a source of electrical power for supplying electrical power to the transmission line, a first communication unit configured to supply communication signals to the transmission line, a power extraction unit configured to extract and use electrical power from the transmission line, a second communication unit configured to receive communication signals from the transmission line; and a control unit configured to control operation of the system. The source supplies electrical power to the transmission line for respective periods of time which are different from respective periods of time in which the first communication unit supplies communication signals to the transmission line. | 2013-06-13 |
20130148748 | METHOD TO IDENTIFY TRACTOR AND TRAILERS AND THE ORDER OF HOOK UP - Methods for connected tractor and trailer identifications and the order of hook-up of multiple trailers to a tractor enable the tractor and trailer identification and the order of trailer hook-up to be remotely broadcast from the tractor or trailers. In one aspect, the detection of vehicle identification and the order of trailer hook-up are determined by PLC tags mounted in the trailers or by a PLC Gateway mounted in the tractor or one of the trailers utilizing the PLC system on the tractor/trailers. In another aspect, the vehicle identifications are extracted from electronic modules existing on the tractor and trailers and sent to the PLC Gateway for broadcast from tractor/trailer.op | 2013-06-13 |
20130148749 | APPARATUS AND METHOD FOR COMBINATORIAL CODING OF SIGNALS - A method and apparatus are for performing one of encoding and decoding a code word that is used to communicate a portion of a signal. For encoding, at least a portion of a code word is encoded from a signal based value using an approximation of a combinatorial function, wherein the signal based value represents one or more aspects of a signal. For decoding, at least a portion of a code word is decoded to a signal based value using an approximation of a combinatorial function, wherein the signal based value represents one or more aspects of a signal. The approximation of the combinatorial function is based on a linear combination of a set of basis functions. | 2013-06-13 |
20130148750 | MANAGING DIGITAL RADIO COMMUNICATIONS - A method, system or computer usable program product for managing digital radio transmissions including automatically selecting a group of radio receiving units for receiving a set of digital radio transmissions based on a set of factors previously stored about users associated with the group of radio receiving units, displaying a proposed group of radio receiving units as the group of selected radio receiving units, accepting user input to confirm the proposed group of radio receiving units as the group of selected radio receiving units, and transmitting the set of digital radio transmissions by a radio transmitting unit only to the group of selected radio receiving units. | 2013-06-13 |
20130148751 | MANAGING DIGITAL RADIO COMMUNICATIONS - A method for managing digital radio transmissions including determining a group of selected radio receiving units for a set of digital radio transmissions according to a policy, and transmitting the set of digital radio transmissions by a radio transmitting unit only to the group of selected radio receiving units. | 2013-06-13 |
20130148752 | MANAGING DIGITAL RADIO COMMUNICATIONS - A method for managing digital radio transmissions including automatically selecting a group of radio receiving units for receiving a set of digital radio transmissions based on a set of factors previously stored about users associated with the group of radio receiving units, displaying a proposed group of radio receiving units as the group of selected radio receiving units, accepting user input to confirm the proposed group of radio receiving units as the group of selected radio receiving units, and transmitting the set of digital radio transmissions by a radio transmitting unit only to the group of selected radio receiving units. | 2013-06-13 |
20130148753 | METHOD FOR DIGITAL COMMUNICATION BETWEEN A PLURALITY OF NODES CONNECTED BY A SERIAL FIELD BUS AND CORRESPONDING SYSTEM, IN PARTICULAR A FIELD CONTROL SYSTEM OR FIELD SURVEYANCE SYSTEM - The present invention provides, inter alia, a method for digital communication between at least one first node and a plurality of second nodes which are connected with the first node by a field bus. According to one aspect a highly effective presence detection scheme for checking the operational status of the second nodes by the first node is integratively combined with a message query for providing an effective first mode of digital communication between said nodes, which may be used very effectively to provide a communication channel which is independent of message priorities. According to another aspect the first mode of digital communication is combined with a second mode of digital communication which is based on message priorities of digital messages to be send by a respective second node to the first node. To advantage, a bitwise bus access arbitration mechanism may be used for implementing those modes of communication. | 2013-06-13 |
20130148754 | Performance for a multiple antenna beamforming cellular network - The present disclosure provides for an improved application of signal strength weightings in an SDMA sectored cellular network. The improved signal strength weightings application is conducted through the improved selection of weightings from a new codebook subset or by the selection of weightings from a larger codebook subset. In a further embodiment, an antenna beam index or bit map can be used to select the best beam(s) in an SDMA sectored cellular network. In another embodiment, a field or factor in an uplink or downlink transmission packet can designate which directional transmission beam is best suited for the transmission or when the directional transmission beam should be activated. | 2013-06-13 |
20130148755 | PRECODING CODEBOOKS FOR MIMO COMMUNICATION SYSTEMS - A method for communication includes configuring a communication system that includes a transmitter and a receiver with first precoding matrices for mapping up to N data streams onto N transmit antenna ports of the transmitter. Each of at least some of the first precoding matrices are derived from respective second and third precoding matrices. The second and third precoding matrices are configured for mapping data onto respective numbers of transmit antenna ports that are less than N. The data streams are mapped onto the N transmit antenna ports using a precoding scheme based on one of the first precoding matrices. The mapped data streams are transmitted over the N transmit antenna ports from the transmitter to the receiver. | 2013-06-13 |
20130148756 | DATA TRANSMISSION METHOD, TRANSMITTER AND RECEIVER IN COORDINATED COMMUNICATION SYSTEM - The present invention provides a data transmission method, a transmitter, and a receiver in a coordinated communication system, including: precoding, by a first transmitter, its payload data by using a first precoding matrix to obtain first precoded data; precoding, by the first transmitter, coordinated data by using a second precoding matrix to obtain second precoded data to cancel interference with the first precoded data at a receiver caused by data transmitted by another transmitter; and transmitting the first precoded data and the second precoded data after the precoding to the receiver. According to the method, the first transmitter codes its payload data by using the first precoding matrix; and codes the coordinated data by using the second precoding matrix to cancel, by using different precoding matrices, the interference with the first precoded data at the receiver caused by the data transmitted by another transmitter. | 2013-06-13 |
20130148757 | WIRELESS TRANSMISSION METHOD, AND WIRELESS TRANSMITTER AND WIRELESS RECEIVER - A wireless transmitter capable of transmitting a data stream to a wireless receiver, the wireless transmitter includes a plurality of transmitting antennas; and a scheduler controls to increase the number of candidate beams selectable for transmitting said data stream depending on the number of data streams to be transmitted from said transmitting antennas becoming small, wherein said beams are formed by predetermined number of the plurality of transmitting antennas. | 2013-06-13 |
20130148758 | FILTER CIRCUIT, SEMICONDUCTOR INTEGRATED CIRCUIT, COMMUNICATION APPARATUS, SEMICONDUCTOR DEVICE, AND SYSTEM - A filter circuit includes two parallel digital filters, a DAC, and an LPF. The DAC includes two parallel decoders, a parallel-to-serial converter, a switch driver, and a switch. A PLL circuit supplies a reference clock to the DAC. A frequency divider provided in the DAC divides the frequency of the reference clock by two, and supplies the half frequency clock to a parallel processing section (the two decoders and the parallel-to-serial converter) of the DAC and the two digital filters. This makes it easy to secure a timing margin, permitting use in high-speed communication on the order of several GHz. | 2013-06-13 |
20130148759 | Weighting Matrix Selection Based on Information Aquired from Remote Station - The present disclosure provides for an improved application of signal strength weightings in an SDMA sectored cellular network. The improved signal strength weightings application is conducted through the improved selection of weightings from a new codebook subset or by the selection of weightings from a larger codebook subset. In a further embodiment, an antenna beam index or bit map can be used to select the best beam(s) in an SDMA sectored cellular network. In another embodiment, a field or factor in an uplink or downlink transmission packet can designate which directional transmission beam is best suited for the transmission or when the directional transmission beam should be activated. | 2013-06-13 |
20130148760 | TRANSFORMER POWER COMBINER WITH FILTER RESPONSE - A method for generating an amplified radio frequency (RF) signal is provided. In-phase (I) and quadrature (Q) signals are received and interleaved so as to generate a time-interleaved signal. Delayed time-interleaved signals are then generated from the time interleaved signal, and each of the delayed time-interleaved signals is amplified so as to generate a plurality of amplified signals. The amplified signals are then combined with a transformer, where the delayed time-interleaved signals are arranged to generate a filter response with the transformer. | 2013-06-13 |
20130148761 | METHOD FOR CORRECTING IMBALANCE ERRORS IN A DIRECT CONVERSION RECEIVER - A communication system comprises a direct conversion receiver for correcting imbalance errors. The direct conversion receiver receives a radio frequency (RF) signal and converts the RF signal to baseband signals. The direct conversion receiver further translates the baseband signals to digital signals having a direct current (DC) offset and applies a DC offset correction to the digital signals having the DC offset to generate first DC offset corrected signals. An imbalance correction unit of the direct conversion receiver applies an imbalance correction to the first DC offset corrected signals by estimating an error between an average envelope of the first DC offset corrected signals and an average envelope of second DC offset corrected signals. The imbalance correction unit is fixed at initial imbalance parameter values. The direct conversion receiver further updates the initial imbalance parameter values of the imbalance correction unit based on the estimated error for correcting imbalance errors. | 2013-06-13 |
20130148762 | CIRCUIT AND METHOD FOR REMOVING FREQUENCY OFFSET, AND COMMUNICATION APPARATUS - A circuit and a method for removing a frequency offset and a communication apparatus including the circuit, capable of removing the frequency offset by tracking rapidly and accurately in a payload section. A sequence of sample levels is obtained by sampling a frequency level of the baseband signal at every 0.5 symbol interval. Absolute values of differences between the frequency levels adjacent to each other at every 1 symbol are calculated as first difference absolute values. Absolute values of differences between the frequency levels adjacent to each other at every 1 symbol are calculated as second difference absolute values. When the first difference absolute values are greater than a predetermined first determination value or the second difference absolute values are less than a predetermined second determination value, the average value calculated is set as the frequency offset. | 2013-06-13 |
20130148763 | SYSTEMS AND METHODS FOR ADAPTIVE SAMPLE QUANTIZATION - One embodiment includes an adaptive sample quantization system. The adaptive sample quantization system includes an antenna to receive a radio frequency (RF) signal having data encoded therein, and analog antenna electronics configured to convert the RF signal to an analog electrical signal. The system also includes an analog-to-digital converter (ADC) directly coupled to the antenna and configured to generate a plurality of consecutive digital samples of the RF signal. The system further includes a quantizer to determine a mode based on the plurality of consecutive digital samples and to select at least one threshold based on the determined mode. The quantizer can further compare each digital sample with the at least one threshold to generate a corresponding one of a plurality of output samples having a reduced number of bits relative to the respective digital sample to substantially mitigate potential interference and facilitate extraction of the data. | 2013-06-13 |
20130148764 | SYSTEM AND METHOD FOR ASK OFDM TRANSMISSION AND RECEPTION - An OFDM system and method using amplitude shift keying (ASK) for subcarrier modulation is provided. Because ASK is used, the signal of each symbol in time domain is conjugate-symmetric. In addition, among the discrete numbers of each symbol, two of them are always real. These properties are utilized such that only half of the numbers of each symbol sequence are transmitted. The generated baseband signal can be a complex or a real signal. As a result, the bandwidth efficiency of the derived ASK-OFDM is the same as that of QAM-OFDM. | 2013-06-13 |
20130148765 | COARSE TIMING ACQUISITION - A coarse timing acquisition technique includes generating a sequence detection indicator. The sequence detection indicator indicates detection of a sequence of repeated symbols in a received signal. The sequence detection indicator is based on a first energy threshold and a normalized moving sum of an autocorrelation signal. The autocorrelation signal is based on the received signal. | 2013-06-13 |
20130148766 | SIGNAL DETECTION DEVICE AND SIGNAL DETECTION METHOD - In this signal detection device ( | 2013-06-13 |
20130148767 | CYCLIC PREFIX AND PRECURSOR JOINT ESTIMATION - A method of operating a communications system includes generating a channel impulse response estimate based on a first received signal. The method includes selecting a precursor and a cyclic prefix length for a second received signal based on the channel impulse response estimate, a target cyclic prefix energy level, and a predetermined range of cyclic prefix lengths. | 2013-06-13 |
20130148768 | PREDICTABLE CODING DELAY OVER COMMUNICATIONS NETWORKS - A decoder includes a buffer configured to incrementally transport a synchronous data stream through a path of the decoder. A control circuit is configured to control a depth parameter associated with the buffer and to provide a substantially predictable delay of the synchronous data stream through the path of the decoder. | 2013-06-13 |
20130148769 | WIRELESS APPARATUS - A wireless apparatus includes a clock generation PLL circuit of a digital baseband section. A variable output regulator receives as an input a VCO control voltage for controlling an oscillation frequency of a VCO in the PLL circuit, varies an output voltage in accordance with the VCO control voltage, and supplies, as a supply voltage, the output voltage to a power terminal of a high frequency circuit, such as an amplifier. The VCO control voltage changes in accordance with temperature or process variations, and the supply voltage of the high frequency circuit is controlled in accordance with the VCO control voltage. For this reason, performance deterioration ascribable to the temperature or process variations can be compensated for. | 2013-06-13 |
20130148770 | METHOD FOR GENERATING NEUTRONS - The present invention relates, in particular, to a method for generating neutrons comprising at least the series of steps that consists of: a) placing at least one beam of electrons and at least one beam of nuclei selected from among protons, deuterons and tritons into a predefined spin state and/or an interference state; and b) causing said at least one beam of nuclei and said at least one beam of electrons to collide. | 2013-06-13 |
20130148771 | MIXING SYSTEM - A mixing system including: a backup heater which increases an internal pressure of a pressurizer; a spray valve which decreases the internal pressure of the pressurizer; a pressure sensor which detects the pressure inside the pressurizer; and a pressure control unit which performs a feedback control on a spray valve so that the pressure becomes a target pressure based on a detection pressure value detected by the pressure sensor, wherein the pressure control unit includes a PID control unit which performs a feedback control when heating the coolant by the backup heater and outputs a pressure controller signal and a bias setting unit which sets a bias toward the operation side of the spray valve with respect to the pressure controller signal, and wherein the spray valve is operated based on the pressure controller signal subjected to the setting of the bias. | 2013-06-13 |
20130148772 | SYSTEMS AND METHODS OF MONITORING CONTROL RODS OF A NUCLEAR POWER PLANT - A diagnostic system to monitor digital rod position indication (DRPI) signals of a DRPI system of a nuclear power plant, including a digital diagnostic unit connected between a DRPI display cabinet and a DRPI data cabinet of the DRPI system to monitor digital rod position signals of the DRPI data cabinet. The digital rod position signals include digital rod address signals and digital rod position data signals such that the digital diagnostic unit detects signal level variation and signal timing variation of the digital rod address signals and the digital rod position data signals to determine rod position errors of the DRPI system. | 2013-06-13 |
20130148773 | CONTROL ROD WITH OUTER HAFNIUM SKIN - A control rod is used to control the reaction of a nuclear reactor. The control rod comprises one or more internal rodlet(s) and a hafnium skin that serves as the outermost layer, rather than a stainless steel cladding. Several variations on rodlets are contemplated. The rodlets are made of hafnium or Ag—In—Cd. The resulting control rod, due to the lack of a stainless steel cladding, has a greater rod reactivity worth, increased weight, and high flexibility. | 2013-06-13 |
20130148774 | POROUS UO2 SINTERED PELLETS AND METHOD FOR FABRICATING POROUS UO2 SINTERED PELLETS AND ELECTROLYTIC REDUCTION USING SAME - A method for fabricating porous UO | 2013-06-13 |
20130148775 | Gate Shift Register - Disclosed is a gate shift register, which can perform a bi-directional shift operation with a reduced number of switching devices. The gate shift register includes a plurality of stages to receive a plurality of gate shift clocks and sequentially output a scan pulse. A k | 2013-06-13 |
20130148776 | METHOD AND APPARATUS FOR X-RAY SCATTERING ESTIMATION AND RECONSTRUCTION IN DIGITAL TOMOSYNTHESIS SYSTEM - A method and apparatus for X-ray scattering estimation and reconstruction in a digital tomosynthesis system are provided. The apparatus includes a receiver which receives, through a wired or wireless network, X-ray penetration data generated by measuring an object, and a graphics processing unit (GPU) which acquires, from the received X-ray penetration data, a reconstructed image in which scattering is corrected. | 2013-06-13 |
20130148777 | VARIABLE PITCH COLLIMATOR AND METHOD OF MAKING SAME - An x-ray detector assembly includes a curved rail and a first plurality of x-ray attenuation plates attached to the curved rail, wherein the plates of the first plurality of x-ray attenuation plates are spaced apart from one another by a first pitch. A second plurality of x-ray attenuation plates are attached to the curved rail, wherein the plates of the second plurality of x-ray attenuation plates are spaced apart from the plates of the first plurality of x-ray attenuation plates by a second pitch greater than the first pitch. A first plurality of x-ray detector cells is also positioned adjacently to the first and second pluralities of x-ray attenuation plates and positioned in a linear arrangement with respect to each other. | 2013-06-13 |
20130148778 | SCAN START AND/OR END POSITION IDENTIFIER - A subject support ( | 2013-06-13 |
20130148779 | RADIATION TOMOGRAPHY APPARATUS - Provided is a radiation tomography apparatus that performs radiography for a series of fluoroscopic images while moving a radiation source and a radiation detecting device synchronously in opposite directions to each other and obtains a tomographic image of a subject based on the fluoroscopic images. The radiation tomography apparatus allows to preview the tomographic image obtained through the radiography immediately after completion of the radiography. A preview image for previewing a sectional image of a subject is generated besides a tomographic image for diagnosis. The preview image can be obtained through simpler computing processing. Consequently, an operator sees once the preview image displayed on a display unit prior to the tomographic image for diagnosis, thereby determining to conduct radiography again quickly. | 2013-06-13 |
20130148780 | INCLINED PHASE GRATING STRUCTURES - Grating interferometer comprising inclined phase grating structures, method for increasing the definition of phase contrast images of interferometers or in applications which are based on the Talbot effect, using inclined phase grating structures, phase gratings wherein the grating structures are positioned at angles on the substrate of the phase grating, method for producing grating structures which are positioned at angles on the substrate of the phase grating, and corresponding uses. | 2013-06-13 |
20130148781 | RADIATION GENERATING APPARATUS - In a radiation generating apparatus of the present invention, a radiation tube in which a tubular side wall is arranged between a cathode and an anode is enclosed in an envelope filled with an insulating liquid. A thermally-conductive fin projecting to a side of a barrel portion of the radiation tube is provided on at least a part of an inner surface of the envelope, and the fin is provided on an area except for an area facing a position of the barrel portion at which potential of the barrel portion is higher than potential of the fin. Since a proper-shape cooling structure is provided on a proper position in the envelope, it is possible to secure withstand voltage and also made the entire apparatus compact in size. | 2013-06-13 |
20130148782 | RADIATION IMAGING APPARATUS AND OPERATION METHOD THEREOF - An X-ray imaging system performs pre-exposure and main exposure to take a single X-ray image. In the pre-exposure, an AEC circuit reads out a dose detection signal outputted from a detection pixel, and compares an integral value of the dose detection signal with a threshold value. When the integral value has reached the threshold value, the AEC circuit stops X-ray emission. A main exposure condition determination unit determines main irradiation time, being one item of a main exposure condition, based on irradiation time in the pre-exposure, an integral dose in the pre-exposure, and a necessary dose required for production of the X-ray image. After that, the main exposure is performed immediately with the determined main irradiation time. Normal pixels perform a charge accumulation operation continuously from the start of the pre-exposure to the end of the main exposure, and the X-ray image is produced from accumulated electric charge. | 2013-06-13 |
20130148783 | HOLDING APPARATUS AND X-RAY DIAGNOSTIC APPARATUS - According to one embodiment, a holding apparatus includes an arcuated arm, a first roller, and a second roller. The arcuated arm is provided with a guide groove along the outer surface, has a hollow portion inside, and holds the X-ray generator and X-ray detector while making them squarely face each other. The first roller runs in the hollow portion in contact with the inner wall of the hollow portion on the outer surface side. The second roller runs in the guide groove while being fitted in the guide groove, and holds the arm together with the first roller so as to allow the arm to slide along the arcuated direction. | 2013-06-13 |
20130148784 | RADIOGRAPHIC DEVICE, RADIOGRAPHIC SYSTEM, CONTROL METHOD AND RECORDING MEDIUM FOR RADIOGRAPHIC DEVICE - An AEC unit of an electronic cassette sets a dose target value and a short-circuited pixel used for AEC based on a radiographing condition. When a control unit of the electronic cassette detects start of irradiation of X rays, the AEC unit starts integration of a cumulative dose of X rays which are incident to a target region based on a dose detection signal output by the short-circuited pixel. The AEC unit predicts a stop timing at the time point t1, waits until the time point t2 which is a predetermined time earlier than a scheduled stop time, and sends a stop timing notification to an X-ray generation device at the time point t2. When the stop timing notification is received, a X-ray source control device immediately inputs an irradiation stop command so as to stop an operation of an X-ray source. | 2013-06-13 |
20130148785 | X-RAY IMAGING APPARATUS - An X-ray imaging apparatus that performs X-ray radiographing by detecting X-rays that have transmitted through an object with an X-ray sensor includes an acquisition unit configured to acquire a first predetermined time based on operational information of the X-ray sensor, and a control unit configured to alter a drive of the X-ray sensor based on whether the first predetermined time has elapsed after bias voltage is applied on the X-ray sensor after X-ray radiographing is performed by the X-ray sensor. | 2013-06-13 |
20130148786 | METHOD FOR CORRECTING IMAGE ARTIFACTS OCCURING AS A RESULT OF AN ANTI SCATTER GRID - A method for correcting image artifacts is proposed. The artifacts occur as a result of an anti scatter grid connected rigidly to an x-ray detector in recording three-dimensional image datasets. Two-dimensional projection images of an object are recorded from different recording geometries for reconstruction the three-dimensional image dataset. A calibration image is recorded for each recording geometry. An average image from all recorded calibration images is established. Subtraction images are established by subtracting the average image from the corresponding calibration images. Noise is removed from the subtraction images. The subtraction images and the average image are stored. A correction image is established for each recording geometry by addition of the subtraction image assigned to the recording geometry and of the average image and is used for correcting the projection image. | 2013-06-13 |
20130148787 | MULTI-RESOLUTION X-RAY IMAGE CAPTURE - Various methods and systems are provided for multi-resolution x-ray image capture. In one embodiment, a method includes repositioning an image capture assembly of an x-ray image capture apparatus from a first position to a second position, the first position corresponding to a first pixel density resolution and the second position corresponding to a second pixel density resolution; activating an x-ray source; and obtaining a digital x-ray image of a subject from an imaging sensor of the image capture assembly, the digital x-ray image having the second pixel density resolution. | 2013-06-13 |
20130148788 | GRATINGS FOR X-RAY IMAGING, CONSISTING OF AT LEAST TWO MATERIALS - Gratings for analyzing the interference image in interferometers for phase contrast X-ray tomography, comprising a carrier and grating webs produced from at least two different materials, method for producing the same and use thereof. | 2013-06-13 |
20130148789 | System facilitating meeting device interactions and methods thereof - The present disclosure relates to unified communications, and more particularly, to a system facilitating meeting device interactions and methods thereof. In an illustrative embodiment, the system can include a calendar booking tool and private branch exchange (PBX) to provide meeting information and telephony capabilities to an open device. Basic meeting information can be provided through the PBX to the device. This information can include a time, date, host and guests of the meeting. The PBX can reuse existing functionality and features for the meeting and provide them to the open device. These features can include, but are not limited to, displaying updates, populating keys and dynamically creating groups. The system can offer intuitive meeting functions on telephony devices having a display with self-labeling keys. Touch screen devices including soft phones can provide these features. The concepts can be extended to touch screen application capable phones. | 2013-06-13 |
20130148790 | SYSTEM AND METHOD FOR PROVIDING EMERGENCY NOTIFICATION SERVICES VIA ENHANCED DIRECTORY ASSISTANCE - An enhanced directory assistance system includes a database for storing at least one subscriber emergency profile. The subscriber emergency profile has one or more instructions to be carried out in the case of an emergency and also has an identifier for identifying a mobile device of a corresponding subscriber. An operator terminal receives an incoming communication from one or more callers from the mobile device of the subscriber, such that when the communication is received, the operator terminal recalls the subscriber emergency profile and carries out the one or more instructions. | 2013-06-13 |
20130148791 | METHODS AND DEVICES TO RETRIEVE VOICE MESSAGES - Methods and devices to retrieve voice messages are disclosed. An example device includes a network interface to access a voicemail server via a network, a message parser to remove a non-message portion of a voicemail access session from a voicemail access session, and a storage device to store the message portion of the voicemail access session. | 2013-06-13 |
20130148792 | IVR COMMUNICATION SESSION ROUTING AND RECORDING - A method may include receiving, by a computing device, a communication session invitation from a user device and determining, by the computing device, whether a communication session, corresponding to the communication session invitation, is to be recorded. The method may also include, when the communication session is to be recorded, identifying, by the computing device, a record mode, corresponding to the communication session, from a group of record modes. The method may further include establishing, by the computing device, recording services corresponding to the record mode, and establishing, by the computing device, the communication session with the user device. The method may also include, when the communication session is not to be recorded, establishing, by the computing device, the communication session with the user device. | 2013-06-13 |
20130148793 | IVR RECORDING CONTINUITY CONTROL - A computing device may establish a communication session with a user equipment device (UE). The computing device may interact with the UE via interactive voice response (IVR) services and enable a first portion of the communication session to be recorded using a first recording mode. The computing device may out-dial a second portion of the communication session and enable a second portion of the communication session to be recorded using a second recording mode. A recording mode may include recording a portion of a communication session locally, streaming a portion of the communication session to a recording system, or out-dialing a portion of the communication session to enable a communication session tap to be placed on the out-dialed portion of the communication session. | 2013-06-13 |
20130148794 | IVR RECORDING MANAGEMENT AND CONTROL - A computing device may receive a record order from a client device. The record order may include recording instructions for a communication session involving an interactive voice response recording system. The computing device may provide the record order to the interactive voice response recording system and, in response to providing the record order to the interactive voice response recording system, receive record metadata corresponding to the communication session and store the record metadata locally. The record metadata may include a storage location of record data corresponding to the communication session, and the record data may include a recording of the communication session. | 2013-06-13 |
20130148795 | AUTOMATIC INTEGRATED ESCALATION IN A UNIFIED MESSAGING SYSTEM - A user is identified based at least in part on a user identification designation associated with an incoming communication. A message recipient is then determined based at least in part on the identified user and one or more address books associated with message recipients by comparing the user identification designation to one or more entries in the one or more recipient databases. The incoming communication is routed to the determined message recipient. Escalation procedures are implemented up to a configured level in the recipient organization based on various criteria. As messages are escalated and deposited in mailboxes associated with the determined message recipients, the determined message recipients are notified of the deposited messages. | 2013-06-13 |
20130148796 | Method and Apparatus for DSL Back-Channel Communication - DSL backchannel data and/or information is transported upstream in a vectored, bonded line DSL system. Backchannel data (e.g., error samples or the like from downstream-end DSL equipment) is encapsulated/packetized using Layer 2 encapsulation. Upstream user data is packetized into Ethernet packets or the like. The backchannel data and upstream user data are combined and the combined data transmitted to an upstream-end DSL apparatus, such as an access node. The combined data are separated in the upstream-end DSL apparatus so that the upstream user data can be processed further. The Layer 2 encapsulated backchannel data is decapsulated and then routed to a vectoring control entity or the like for use in operating the DSL system, for example in mitigating FEXT crosstalk in the DSL system's operation. | 2013-06-13 |
20130148797 | Systems and Methods for Communicating Documents - A system includes telephone and packet-switched network interfaces and a translator. The translator receives messages. Outgoing messages originate from a multiple-function peripheral (MFP) and are received via a transfer agent (TA). Outgoing e-mail messages include an attached file in an image file format. The translator removes and delivers the attachment in facsimile format. Incoming fax messages are attached to an e-mail message. The TA receives and relays the e-mail message to an identified MFP, which discards the e-mail message and prints the attachment. A method for processing fax messages includes associating an identifier with a MFP, receiving a fax intended for the MFP, generating an e-mail message with an attachment representing the fax and communicating the e-mail message to a transfer agent that relays the e-mail to the MFP, which discards the e-mail body and prints the attachment. | 2013-06-13 |
20130148798 | INTELLIGENT CALL LOG AND SCHEDULE INTEGRATION - Described are embodiments that provide for an intelligent call log. Specifically, in embodiments, a call log module can be provided on a user's phone (or as a sequenced application) that analyzes the actual communications between a calling party and a called party. The call log module is configured, in embodiments, to do analysis of the calling party's interaction with the called party, changes in routing, and/or failure to connect. The call log module is linked to the calling party's schedule information, in some embodiments, for situations with multiple failures to connect and/or multiple short discussions have inadequately dealt with the need to talk, and therefore scheduling a meeting is likely to be more effective. | 2013-06-13 |
20130148799 | COMMUNICATION APPARATUS - An apparatus includes a direct-current direction detection unit configured to detect a change of direct-current direction on a telephone line through which the apparatus and an exchanger are coupled; a voltage change detection unit configured to detect a change of voltage on the line; a first control unit configured to transmit a reception completion signal to the exchanger when receiving telephone number; a first determination unit configured to determine whether polarity reversal of the line occurs in a period from reception of the telephone number to transmission of the reception completion signal; a second determination unit configured to determine whether the polarity reversal occurs in a period from transmission of the reception completion signal to reception of a calling signal; and a second control unit configured not to display the received telephone number on a display unit when the polarity reversal occurs in at least one of the periods. | 2013-06-13 |
20130148800 | Universal Queuing for Inbound Communications - Exemplary systems and methods for queuing an inbound communication are provided. In exemplary embodiments, the inbound communication is received by a communication server associated with a communication type of the inbound communication. Communication statuses of one or more agents over a plurality of communication types are reviewed to determine available agents. One or more profiles are reviewed to assess applicability of one or more agents to receive the inbound communication, whereby an agent may be applicable to handle more than one inbound communication concurrently as determined by their profile. An appropriate agent is then selected based on the availability and applicability of the one or more agents to which the inbound communication is forwarded. | 2013-06-13 |
20130148801 | VOICE SWITCHING FOR VOICE COMMUNICATION ON COMPUTERS - A voice communication end device performs quality checks to determine whether acoustic echo cancellation would be ineffective, such as due to noise or clock drift or discontinuities between incoming and outgoing voice channels. In the case where echo cancellation would prove ineffective, the device falls back on a tri-state voice switching operation that includes a bi-direction state in which both channels are on in full duplex operation, which provides a smoother transition switching between active channels. The tri-state voice switching supports both voluntary transitions where the active user voluntarily stops to yield the active channel, and forced transitions where the active user is forcedly interrupted by the other user speaking more loudly. | 2013-06-13 |
20130148802 | Method and System for High Throughput Blockwise Independent Encryption/Decryption - An encryption technique is disclosed for encrypting a plurality of data blocks of a data segment where the encryption selectively switches between a blockwise independent randomized (BIR) encryption mode and a cipher block chaining (CBC) encryption mode based on a configurable feedback stride. A corresponding decryption technique is also disclosed. | 2013-06-13 |
20130148803 | MULTI-USER SEARCHABLE ENCRYPTION SYSTEM AND METHOD WITH INDEX VALIDATION AND TRACING - A multi-user searchable encryption system includes a key generation center to issue a private secret key to a user and trace information regarding a user who has generated an index, and a user terminal device to generate an index for searching for a database using the private secret key. The multi-user searchable encryption system includes a database (DB) server that verifies the index generated by the user terminal device and searches for corresponding data to the verified index. | 2013-06-13 |
20130148804 | ANTI-PRYING ENCRYPTED KEYBOARD - An pry-proof encrypted keyboard. The encrypted keyboard comprises a keyboard panel ( | 2013-06-13 |
20130148805 | METHOD AND APPARATUS FOR IMPLEMENTING KEY STREAM HIERARCHY - Various methods for implementing keystream hierarchy in a distributed memory environment are provided. One example method may comprise causing a generated keystream to be accessed on a memory device, wherein the keystream was generated in an instance in which the memory device was in radio communications range. One example method may further comprise determining a session key based on the generated keystream and a modified keystream. In some example embodiments, the modified keystream is created by the memory device based on the generated keystream and a keystream received by the memory device from a second device. One example method may further comprise causing communications data to be transmitted to the memory device or to the second device. In some example embodiments, the communications data is protected using at least a portion of the session key and is intended for the second device. | 2013-06-13 |
20130148806 | System and Method for Second Factor Authentication - As individuals increasingly engage in different types of transactions they face a growing threat from, possibly among other things, identity theft, financial fraud, information misuse, etc. and the serious consequences or repercussions of same. Leveraging the ubiquitous nature of wireless devices and the popularity of (Short Message Service, Multimedia Message Service, etc.) messaging, an infrastructure that enhances the security of the different types of transactions within which a wireless device user may participate through a Second Factor Authentication facility. The infrastructure may optionally leverage the capabilities of a centrally-located Messaging Inter-Carrier Vendor. | 2013-06-13 |
20130148807 | SYSTEM FOR TRANSMITTING A DATA SIGNAL IN A NETWORK, METHOD, MOBILE TRANSMITTING DEVICE AND NETWORK DEVICE - A system for transmitting a data signal is provided, comprising a plurality of network devices; a network connecting the plurality of network devices based on at least a first communication carrier, wherein the first communication carrier is a wired communication carrier; a network key generator configured to generate a network key; a mobile transmitting device configured to transmit the network key to at least one of the plurality of network devices on a second communication carrier, wherein the second communication carrier is a wireless carrier, and wherein the network devices are configured to communicate with the other network devices based on a link encryption key based on the network key. A corresponding method, a mobile transmitting device and a network device are provided as well. | 2013-06-13 |
20130148808 | Wireless Network Having Multiple Communication Allowances - Multiple levels of wireless network resource granting. A user who has an authorized key, e.g., an encryption key or a key indicating that they have paid for service, gets a first, better level of access to the network resources. One without the key is granted lesser access, e.g., less total bandwidth, less bandwidth speed, no access to files or the like. | 2013-06-13 |
20130148809 | COMPUTING THE ETH ROOT OF A NUMBER USING A VARIANT OF THE RSA ALGORITHM (FOR EVEN E'S) | 2013-06-13 |
20130148810 | SINGLE USE RECOVERY KEY - Aspects of the subject matter described herein relate to disclosing recovery keys. In aspects, when a recovery key is disclosed, data is updated to indicate that the recovery key has been disclosed. A machine that has locked data may determine whether a recovery key for the locked data has been disclosed and whether a new key needs to be generated for the locked data. If a new key needs to be generated for the locked data, the machine may generate the new key and send it to a recovery store for storage. In addition, old keys that protect the locked data may be deleted after the new key has been generated and stored. | 2013-06-13 |
20130148811 | Electronic Devices, Methods, and Computer Program Products for Determining Position Deviations in an Electronic Device and Generating a Binaural Audio Signal Based on the Position Deviations - An electronic device includes an audio input module that is configured to determine a baseline audio position for the electronic device, receive at least one position offset input signal, and determine a position offset of the electronic device relative to the baseline audio position based on the at least one position offset input signal and an audio three-dimensional (3D) engine that is configured to generate a binaural audio signal based on the position offset of the electronic device. | 2013-06-13 |
20130148812 | METHOD AND DEVICE FOR ENHANCED SOUND FIELD REPRODUCTION OF SPATIALLY ENCODED AUDIO INPUT SIGNALS - A method for sound field reproduction into a listening area of spatially encoded first audio input signals according to sound field description data using an ensemble of physical loudspeakers. The method includes computing reproduction subspace description data from loudspeaker positioning data describing the subspace in which virtual sources can be reproduced with the physically available setup. Then, second and third audio input signals with associated sound field description data, in which second audio input signals include spatial components of the first audio input signals located within the reproducible subspace and third audio input signals include spatial components of the first audio input signals located outside of the reproducible subspace. A spatial analysis is performed on second audio input signals to extract fourth audio input signals corresponding to localizable sources within the reproducible subspace with associated source positioning data. Components of second audio input signals after spatial analysis are merged with third audio input signals into fifth audio input signals with associated sound field description data for reproduction within the reproducible subspace. Loudspeaker alimentation signals are computed from fourth and fifth audio input signals. | 2013-06-13 |
20130148813 | COMPRESSION OF SPACED SOURCES FOR HEARING ASSISTANCE DEVICES - This application relates to a system for compression and mixing for hearing assistance devices by application of compression to individual sound sources before applying a head-related transfer function (HRTF) to prevent compression and cross modulation of interaural-level-difference (ILD) cues for localization, according to one example. Variations of the present system use coordinated compression to left and right individual source signals after application of HRTFs. | 2013-06-13 |
20130148814 | AUDIO ACQUISITION SYSTEMS AND METHODS - Audio acquisition systems and methods to determine a direction of arrival of an audio signal are disclosed. In an embodiment, an apparatus includes a continuous sampling stage configured to receive audio information and to generate one or more correlations from the received audio information, and a processing stage configured to receive the one or more correlations and to generate direction of arrival information for the audio information. In another embodiment, a method includes generating audio signals from an ambient acoustic environment, and performing beamforming on the generated audio signals. The method further includes calculating signal-to-interference ratios from the beamformed signals, forming correlations between the signal-to-interference ratios and audio sampling angles, selecting at least one correlation based upon predetermined selection criteria, and determining a direction of arrival for the audio signals. | 2013-06-13 |
20130148815 | NOISE TESTING SYSTEM AND METHOD - A noise testing system includes an electronic device, a noise meter and a testing desk. The electronic device includes a plurality of separated electronic components. The noise meter is used to test a noise generated by the electronic device. The testing desk includes a surface. A plurality of scale markings is defined in the surface, and a plurality of scale value is labeled on the surface and correspond to the plurality of scale marking. A first distance between every two of the plurality of separated electronic components and a second distance between the noise meter and each of the plurality of separated electronic components is adjusted to be in a fixed range according to the plurality of scale marking. A noise testing method based upon the above noise testing system is further disclosed. | 2013-06-13 |
20130148816 | Method for Determining a Transmission Quality when Receiving Audio Signals and Receiving Unit - There is provided a method of determining a transmission quality when receiving audio signals which are transmitted over a frequency-modulated path in analog form. For that purpose a frequency-modulated audio signal is received and IQ demodulation of the input signal is implemented. The I- and the Q-path of the demodulated baseband signal are subjected to analog/digital conversion. Alternatively the input signal can first be digitized and then subjected to IQ demodulation. A multiplicity of N samples is detected. The amount of the N samples is formed. A reference value is determined from the amount of the N samples. Each of the N samples is standardized to the reference value. A measurement in respect of the fluctuations in the standardized amounts is determined. The measurement in respect of the fluctuations indicates the quality of the transmission path. | 2013-06-13 |