38th week of 2012 patent applcation highlights part 33 |
Patent application number | Title | Published |
20120236934 | SIGNALING OF MULTIVIEW VIDEO PLUS DEPTH CONTENT WITH A BLOCK-LEVEL 4-COMPONENT STRUCTURE - This disclosure describes techniques for coding 3D video block units. In one example, a video encoder is configured to receive one or more texture components from at least a portion of an image representing a view of three dimensional video data, receive a depth map component for at least the portion of the image, code a block unit indicative of pixels of the one or more texture components for a portion of the image and the depth map component. The coding comprises coding the depth map component relative to at least one of the texture components, and signalling an attribute of the depth map component relative to the one or more texture components. | 2012-09-20 |
20120236935 | Methods and Systems for Masking Multimedia Data - Several methods and systems for masking multimedia data are disclosed. In an embodiment, a method for masking includes performing a prediction for at least one multimedia data block based on a prediction mode of a plurality of prediction modes. The at least one multimedia data block is associated with a region of interest (ROI). A residual multimedia data associated with the at least one multimedia data block is generated based on the prediction. A quantization of the residual multimedia data is performed based on a quantization parameter (QP) value. The QP value is variable such that varying the QP value controls a degree of masking of the ROI. | 2012-09-20 |
20120236936 | Video coding based on edge determination - A system encoding and decoding video using intra prediction that uses an edge based determination technique together with smoothing filters. | 2012-09-20 |
20120236937 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD AND COMPUTER READABLE MEDIUM - An image processing apparatus includes an encoding manner storing section that stores encoding manners in association with quantities of characteristics of objects, a characteristic region detecting section that detects a plurality of characteristic regions from an image, and a compressing section that compresses the images of the plurality of characteristic regions by encoding manners stored in the encoding manner storing section in association with the quantities of characteristics of objects included in the plurality of characteristic regions respectively. | 2012-09-20 |
20120236938 | METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE BY USING LARGE TRANSFORMATION UNIT - Disclosed are an image encoding method and apparatus for encoding an image by grouping a plurality of adjacent prediction units into a transformation unit and transforming the plurality of adjacent prediction into a frequency domain, and an image decoding method and apparatus for decoding an image encoded by using the image encoding method and apparatus. | 2012-09-20 |
20120236939 | Sub-band video coding architecture for packet based transmission - Sub-band video coding architecture for packet based transmission. Video processing includes converting of a frame or picture of a video signal into a number of respective sub-bands or sub-frames (e.g., such that each respective one is a respective subsampled version of an original frame or picture) and subsequent assembly thereof into a reconstructed frame or picture. The reconstructed frame or picture then undergoes video encoding to generate an output bitstream that may subsequently undergo appropriate processing (e.g., packetization, continuous time signal generation, etc.) to generate a signal for transmission via one or more communication the links. Characteristics associated with each respective sub-band or sub-frame may be similar (e.g., similar characteristics) or different (e.g., two or more sub-bands or sub-frames have different characteristics, such as different respective number of pixels, aspect ratios, etc.). Respective sub-frames may undergo video encoding and transmission. | 2012-09-20 |
20120236940 | Method for Efficient Parallel Processing for Real-Time Video Coding - Embodiments of the invention include a parallel method for real-time video encoding in a multicore processor system. A first frame of video data is divided into groups. Each group has one or more rows of a plurality of macroblocks. Motion estimation is performed on a second group following a first group by a first core of said multicore system. While said motion estimation is being performed by said first core, compression-and-reconstruction is performed on said first group by a second core. | 2012-09-20 |
20120236941 | Method and Apparatus for Derivation of Spatial Motion Vector Candidate and Motion Vector Prediction Candidate - An apparatus and method for deriving a motion vector predictor are disclosed. In video coding systems, the spatial and temporal redundancy is exploited using spatial and temporal prediction to reduce the information to be transmitted or stored. Motion vector prediction has been used to further conserve the bitrate associated with motion vector coding. In a conventional coding system, a motion vector predictor (MVP) is selected from the spatial MVPs and temporal MVP. The spatial MVP according to a conventional approach is based on motion vectors (MVs) of neighboring blocking pointing to a target reference picture in a given reference list. Embodiments according to the present invention perform the MVP search among an extended search set including MVs pointing to other reference pictures in the given reference list or the other reference list and MVs pointing to the target reference picture in the given reference list or the other reference list. Other aspects of the present invention address the search order of the search set and configuration of neighboring blocks. | 2012-09-20 |
20120236942 | Method and Apparatus for Deriving Temporal Motion Vector Prediction - A method and apparatus for deriving a temporal motion vector predictor (MVP) are disclosed. The MVP is derived for a current block of a current picture in Inter, or Merge, or Skip mode based on co-located reference blocks of a co-located block and a flag is used to indicate the co-located picture. More than one co-located reference blocks can be used to derive the temporal MVP and the co-located reference blocks can be selected from the co-located block as well as neighboring blocks of the co-located block. A search set comprises search motion vectors associated with the co-located reference block(s) is formed. The search motion vector (MV) corresponding to the co-located reference block in the same reference list is searched before the search MV in a different reference list. Various schemes to accommodate implicit method of deriving co-located picture are also disclosed. | 2012-09-20 |
20120236943 | VIDEO ENCODING AND DECODING METHOD AND APPARATUS USING WEIGHTED PREDICTION - Provided is a video encoding and decoding method and apparatus. The video encoding method includes selecting a plurality of reference blocks based on a plurality of motion vectors and setting weights assigned to the plurality of reference blocks independently for each of a plurality of regions of a current block in order to predict and encode the current block, thereby providing a new encoding mode allowing accurate prediction of the current block and thus improving the compression rate of video encoding. | 2012-09-20 |
20120236944 | METHOD AND APPARATUS FOR ENCODING VIDEO BY MOTION PREDICTION USING ARBITRARY PARTITION, AND METHOD AND APPARATUS FOR DECODING VIDEO BY MOTION PREDICTION USING ARBITRARY PARTITION - Disclosed is a method and apparatus of encoding a video, the method including: splitting video data into a maximum coding unit; encoding the video data of the maximum coding unit based on deeper coding units of hierarchical structures in which a coding unit of an upper depth is split as a depth deepens, according to at least one split region of the maximum coding unit, and determining a coding depth at which an encoding result is to be output, including inter prediction using partitions obtained by splitting the coding unit according to arbitrary ratios; and outputting a bitstream including the encoded video data corresponding to a coding depth for the at least one split region according to maximum coding units and information regarding the coding depth and encoding modes. | 2012-09-20 |
20120236945 | WAVELET TRANSFORMATION USING MULTICORE PROCESSORS - A method for wavelet based data compression comprising: receiving data associated, with a set of pixels, computing wavelet coefficients by applying a series of Discrete Wavelet Transform (DWT) low-pass and high-pass filtering operations, wherein a number of filtering operations is reduced by: identifying common partial products for at least one of the lowpass filtering operations and the high-pass filtering operations, classifying a first portion of the wavelet coefficients as low magnitude coefficients and a second portion of the wavelet coefficients as high magnitude coefficients, eliminating the common partial products for the high magnitude wavelet coefficients, replacing multiplication operations for the low magnitude wavelet coefficients with shift-and-add operations, and eliminating the common partial products, and applying the DWT based on remaining filtering operations. | 2012-09-20 |
20120236946 | MULTIMEDIA STREAM DISPLAYING SYSTEM AND METHOD THEREOF - A multimedia stream displaying method is disclosed. The method includes the following steps: firstly, a portable decoder unit is embedded between an application layer and a hardware layer. Then, a specific stream format of the hardware layer is inquired. A plurality of multimedia streams from the application layer are received and decoded, and the decoded multimedia streams are encapsulated in the specific stream format. Finally, the encapsulated multimedia streams are transmitted to the hardware layer to be displayed. | 2012-09-20 |
20120236947 | Method and System for Processing B Pictures with Missing or Invalid Forward Reference Pictures - Methods and systems for processing B pictures with missing or invalid forward reference pictures are disclosed. Aspects of one method may include decoding of a contiguous sequence of B pictures that immediately follow a first I picture after a sequence header. The decoding of the B pictures may handle video edit codes in the AVS1-P2 format and/or random access points. Some embodiments of the invention may discard B pictures that refer to invalid or missing forward reference pictures, while other embodiments of the invention may interpolate B pictures. For an invalid forward reference picture, the interpolation algorithm for generating pictures may use the invalid forward reference picture and the backward reference picture. For a missing decoded forward reference picture, as in a random access, the interpolation algorithm for generating pictures may use the backward reference picture. | 2012-09-20 |
20120236948 | FILTERING METHOD FOR REMOVING BLOCK ARTIFACTS AND/OR RINGING NOISE AND APPARATUS THEREFOR - Provided are a filtering method and apparatus for removing blocking artifacts and ringing noise. The filtering method includes transforming video data on a block-by-block basis, and detecting the presence of an edge region in the video data by checking the distribution of values obtained by the transformation. Accordingly, it is possible to completely remove blocking artifacts and/or ringing noise by more effectively detecting the presence of an edge region in video data. | 2012-09-20 |
20120236949 | CONVERSION OF MULTIMEDIA DATA STREAMS FOR USE BY CONNECTED DEVICES - Embodiments of the invention are generally directed to conversion of multimedia data streams for use by connected devices. An embodiment of a method for processing data includes receiving a data stream in a first multimedia data format at a first device, and inserting a replacement video portion into the received data stream to generate a modified multimedia data stream in a second multimedia data format. The modified data stream is provided to a second device coupled to the first device. | 2012-09-20 |
20120236950 | INFORMATION DISTRIBUTION SYSTEM, INFORMATION DISTRIBUTION APPARATUS, INFORMATION COMMUNICATION TERMINAL, AND INFORMATION DISTRIBUTION METHOD - According to one embodiment, an information distribution apparatus stores a characteristic information extracted arbitrary time-series data and relevant information in association of an information providing site on a communication line with each other, fetches characteristic information presented with a request for distribution through the line from a terminal, collates the fetched characteristic information with each characteristic information item of the stored associated information, determines the closest characteristic information, fetches relevant information associated with the characteristic information, and distributes the fetched relevant information to the terminal through the line. | 2012-09-20 |
20120236951 | TRANSMITTER DEVICE, RECEIVER DEVICE, AND COMMUNICATION SYSTEM - A transmitter device that repeatedly transmits an identical frame includes a circuitry that generates the frame and transmits the frame a plurality of times. The frame includes marking areas that divide the frame into a plurality of frame segments having different lengths. The marking area is formed in the frame by part of the frame and is distinguishable from other parts of the frame. The marking area does not change data content transmitted by the frame. The frame segments obtained from the identical frame that is repeatedly transmitted by the circuitry are combined to reconstruct a complete frame identical to the frame transmitted by the transmitter device. | 2012-09-20 |
20120236952 | POLYPHASE SEQUENCES FOR WIRELESS COMMUNICATIONS - Polyphase sequence generation is provided for sequences having good aperiodic correlation properties. The sequences can allow lengths not attainable by other types of sequences (such as Frank sequences) and can yield increase merit factors and more desirable peak-to-side-peak ratios (and therefore decreased sidelobe energy) than other sequences (such as Chu sequences). Perfect root-of-unity sequences of lengths up to 32, achieving the minimum phase alphabets and the maximum merit factors and/or peak-to-side-peak ratios, are searched, and the results are tabulated. Comparing the merit factors and peak-to-side-peak ratios of the best search results to other sequences, a common construction pattern of the improved sequences of length 2m | 2012-09-20 |
20120236953 | Base Station - A base station of a mobile communication network is described comprising a first receiver configured to receive data transmitted by a communication terminal wherein the received data is to be processed according to a data reception processing for extracting, from the received data, data to be transmitted from the communication terminal; a forwarding circuit configured to forward the received data to a data processing device external to the base station of the mobile communication network for carrying out at least a part of the data reception processing of the received data; and a second receiver configured to receive the processed data from the data processing device. | 2012-09-20 |
20120236954 | WIRELESS COMMUNICATION SYSTEM AND METHOD WITH ELLIPTICALLY POLARIZED RADIO FREQUENCY SIGNALS - In one embodiment, a UWB transmission system includes a pair of crossed linearly polarized antennas, one of which is fed with a UWB signal current, while the second is fed with a temporally orthogonal UWB signal such as the time-derivative of the UWB signal current. The resultant elliptically polarized radiated fields are simultaneously orthogonal in space and orthogonal in time. In another transmission system, a loop and a co-located dipole are fed with the same current to generate signal exhibiting elliptical polarization. When the energies of the transmissions from each antenna are equal, the polarization is circular. Thus a UWB transmitting and receiving system is shown that utilizes signals that are simultaneously spatially orthogonal and temporally orthogonal, and the several combinations of those signal and polarization states encode data for transmission. | 2012-09-20 |
20120236955 | WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION METHOD - A wireless communication system | 2012-09-20 |
20120236956 | TRANSMISSION METHODS FOR DOWNLINK ACK/NACK CHANNELS - A method from transmitting data via multiple antennas. In this method, four information bits to be transmitted are multiplexed by using either one of a code division multiplexing scheme or a second code division multiplexing scheme combined with a real and imaginary multiplexing scheme, to generate a code division multiplexed symbol including four vectors. Then, the code division multiplexed symbol is repeatedly transmitted by alternatively applying two transmit diversity schemes via four transmission antennas. | 2012-09-20 |
20120236957 | TRANSMITTING DEVICE AND TRANSMITTING METHOD - A transmitting device that transmits a FSK-modulated wireless signal to a receiving device includes a controller that determines a transmitting content transmitted to the receiving device and a value of a maximum frequency shift in the FSK modulation, and outputs output information including the transmitting content, the value of the maximum frequency shift, and a value of a center frequency in the FSK modulation; a generator that generates a FSK modulation signal based on the transmitting content, the value of the maximum frequency shift, and the value of the center frequency, which are output from the controller; and a transmitting antenna that transmits the FSK modulation signal, which is generated by the generator, in a form of a wireless signal. | 2012-09-20 |
20120236958 | REDUCED POWER-CONSUMPTION TRANSMITTERS - An exemplary embodiment discloses a digital control block for dynamically regulating power consumption of the transmitter; and a first driver amplifier circuit comprising a plurality of bias-modes each corresponding to a power consumption level in the transmitter, the digital control block to instruct the first driver amplifier circuit to operate in a selected bias-mode to regulate power consumption of the transmitter. | 2012-09-20 |
20120236959 | QUADRATURE COMMUNICATIONS DEVICE WITH I ANTENNAS AND Q ANTENNAS AND MODULATED POWER SUPPLY AND RELATED METHODS - A communications device may include an In-phase (I) power amplifier configured to generate an I amplified signal, a Quadrature (Q) power amplifier configured to generate a Q amplified signal, an I digital-to-analog converter (DAC) configured to generate an I signal, and a Q DAC configured to generate a Q signal. The communications device may also include an I power supply circuit coupled to the I power amplifier and to the I DAC and configured to cause the I power amplifier to modulate an I carrier signal into the I amplified signal based upon the I signal, a Q power supply circuit coupled to the Q power amplifier and to the Q DAC and configured to cause the Q power amplifier to modulate a Q carrier signal into the Q amplified signal based upon the Q signal, and at least one antenna coupled to the I and Q power amplifiers. | 2012-09-20 |
20120236960 | QUADRATURE COMMUNICATIONS DEVICE WITH I ANTENNAS AND Q ANTENNAS AND RELATED METHODS - A communications device may include In-phase (I) power amplifiers configured to respectively generate I amplified signals, Quadrature (Q) power amplifiers configured to respectively generate Q amplified signals, I antennas respectively coupled to the I power amplifiers, and Q antennas respectively coupled to the Q power amplifiers. The communications device may also include an I controller coupled to the I power amplifiers and configured to selectively enable some of the I power amplifiers, and a Q controller coupled to the Q power amplifiers and configured to selectively enable some of the Q power amplifiers. | 2012-09-20 |
20120236961 | APPARATUS AND METHOD FOR CYCLIC DELAY DIVERSITY IN MULTIPLE-ANTENNA WIRELESS COMMUNICATION SYSTEM - A cyclic delay diversity (CDD) technique in a multiple-antenna broadband wireless communication system is provided. An apparatus in the multiple-antenna broadband wireless communication system includes: a controller for selecting at least one sub-carrier to which CDD is applied; at least one shifter for shifting a phase of a signal mapped to the at least one selected sub-carrier; and an operator for converting the signal, which is mapped to the at least one selected sub-carrier and whose phase is shifted, and other signals mapped to the remaining sub-carriers into time-domain signals. | 2012-09-20 |
20120236962 | RADIO COMMUNICATION APPARATUS CAPABLE OF SWITCHING MODULATION SCHEMES - A transmitting apparatus, includes a signal generator that generates a modulation signal by modulating transmission data using one of a plurality of modulation schemes, a first modulation scheme having a higher m-ary modulation value than other modulation schemes and a pilot signal generator generates a pilot signal. An orthogonal frequency division multiplexing (OFDM) signal generator generates an OFDM signal by selecting the modulation signal and the pilot signal according to the frame timing signal. The OFDM signal is converted to a radio signal, is amplified and is transmitted to an antenna. The pilot signal is inserted in the OFDM signal per a predetermined OFDM symbol and per a predetermined subcarrier and has a lower amplitude than a maximum amplitude of the first modulation scheme in an in-phase-quadrature (IQ) plane. | 2012-09-20 |
20120236963 | AMPLIFYING UNIT, POWER AMPLIFIER AND TRANSMITTER - A power amplifier, which includes n+1 amplifying units coupled in parallel, where n is an integer greater than or equal to 0, third input ends VR(i) of the n+1 amplifying units are coupled to a power input V | 2012-09-20 |
20120236964 | SYSTEM AND METHOD FOR REDUCING BIT-ERROR-RATE IN ORTHOGONAL FREQUENCY-DIVISION MULTIPLEXING - System and method for reducing BER in OFDM based communication system. A cost function relating the power partition coefficients and the average power emitted by the linear power amplifier at the transmitter during quasistatic periods of the channel may be minimized, solved or estimated, based on the received channel partial CSI, and on knowledge of the linear power amplifier gain and linear dynamic range, to get power partition coefficients. The total available power may be divided among the subcarriers according to the resultant power partition coefficients. Additionally, the OFDM signal may amplified by a variable gain calculated based on the resultant power partition coefficients. | 2012-09-20 |
20120236965 | QUADRATURE COMMUNICATIONS DEVICE WITH POWER COMBINER AND RELATED METHODS - A communications device may include In-phase (I) power amplifiers configured to generate I amplified signals, Quadrature (Q) power amplifiers configured to generate Q amplified signals, an I controller coupled to the I power amplifiers and configured to selectively enable some of the I power amplifiers, and a Q controller coupled to the Q power amplifiers and configured to selectively enable some of the Q power amplifiers. The communications device may also include a power combiner configured to combine the I amplified signals and the Q amplified signals in a combined amplified signal, and an antenna coupled to the power combiner. | 2012-09-20 |
20120236966 | MODULATION METHOD AND RADIO COMMUNICATION SYSTEM - An input digital signal is periodically and alternately subjected to first modulation and second modulation, being thereby converted into a pair of a baseband I signal and a baseband Q signal. The first modulation and the second modulation are different from each other. The pair of the baseband I signal and the baseband Q signal are outputted. The first modulation may be at least 8-signal-point modulation while the second modulation may be phase shift keying. | 2012-09-20 |
20120236967 | DATA MODULATION - A modulator includes a symbol mapper that is configured to map respective bits sets of a bit sequence corresponding to a burst and including data, training, tail, and guard bits into respective symbols to form a symbol sequence of data, training, tail, and guard symbols. A vector precoder is configured to apply a vector precoding transformation to the data and training symbols to form precoded symbols. These precoded symbols are combined with the tail and guard symbols in a symbol processor to form a sequence of transmit symbols. The record precoding conducted by the modulator of a transmitter enables improved link performance without the cost of increased processing complexity of the receiver algorithm. | 2012-09-20 |
20120236968 | ENHANCED LATTICE REDUCTION SYSTEMS AND METHODS - An exemplary embodiment of the present invention provides a lattice reduction method comprising obtaining a preliminary estimate of a transformation matrix, generating a covariance matrix based on the preliminary estimate of the transformation matrix, reducing diagonal elements of the covariance matrix to generate a unimodular transformation matrix, and using the unimodular transformation matrix to obtain an estimate of an input. | 2012-09-20 |
20120236969 | MIMO RECEIVER AND METHOD FOR RECEIVING SPATIALLY-MULTIPLEXED OFDM SIGNALS - In a multiple-input multiple-output (MIMO) system, multiple receive antennas produce a received signal vector, Y, which includes an element for each of the receive antennas. In an embodiment of a de-mapping method performed within a MIMO receiver, a quadrature phase shift keying (QPSK) search is performed within a search space that includes the full constellation of symbol points. Based on the results of the QPSK search, the search space is reduced to fewer than all of the quadrants, and the received signal vector data is scaled and transformed to the reduced search space. A lower-level QPSK search is performed, and the process is repeated until the modulation order is reduced to a QPSK constellation. Hard or soft decisions corresponding to the search results may then be passed to a decoder. | 2012-09-20 |
20120236970 | System and Method for Signaling and Detecting in Wireless Communications Systems - A system and method for signaling and detecting in wireless communications systems are provided. A method for processing information includes operating in a first phase, operating in a second phase, and processing the detected information. The first phase includes iteratively inverting a first filtering operation on received signals, and the second phase includes iteratively inverting a second filtering operation on received signals with consideration given to a first estimation error of symbols of the first user and a second estimation error of symbols of the second user. | 2012-09-20 |
20120236971 | SYSTEMS AND METHODS FOR WIRELESS COMMUNICATION IN SUB GIGAHERTZ BANDS - Systems, methods, and devices for wireless communication. In one aspect, an apparatus for wireless communication is provided. The apparatus includes a receiver configured to receive a wireless signal comprising a packet. At least a portion of the wireless signal is configured to be received over a bandwidth lower than or equal to 1.25 MHz. The packet is formed from at least one orthogonal frequency-division multiplexing (OFDM) symbol comprising thirty-two tones. The thirty-two tones correspond to frequency subcarriers within the bandwidth. The thirty-two tones of the at least one OFDM symbol are allocated as: twenty-four data tones, two pilot tones, five guard tones, and one direct current (DC) tone. The apparatus includes a processor configured to evaluate the wireless signal. The processor includes a transform module configured to convert the at least one OFDM symbol into a frequency domain signal using a thirty-two point mode. | 2012-09-20 |
20120236972 | SIGNAL SEPARATING DEVICE AND SIGNAL SEPARATING METHOD - A signal demultiplexing method and apparatus are provided, for determining a likelihood of each bit included in a second signal, which is spatially multiplexed with and received with a first signal, based on a maximum likelihood detection (MLD) method using QR decomposition, wherein the first signal excludes the second signal to be calculated only in a final stage of the MLD method. | 2012-09-20 |
20120236973 | SYSTEM AND METHOD FOR SYNCHRONIZING DIGITAL BITS IN A DATA STREAM - A system for synchronizing a receiver of a bit stream to the bit stream include a correlator to remove the PN code modulation and to generate a stream of time sequence values (samples) from the received bits. Multiple accumulators are included, each accumulator corresponding to a different offset from a first time period. The accumulators add a number of values equal to a number of samples in a bit period. Multiple magnitude calculators receive sums from the corresponding accumulators and calculates respective magnitudes. Multiple non-coherent summers are then used to add the magnitudes for each offset in each bit period for all of the received bits. The outputs of the non-coherent summers are analyzed to find the highest value, to identify the location of the bit transition in the bit period. | 2012-09-20 |
20120236974 | RECEIVER - According to one embodiment, a receiver includes an EVM calculating unit which calculates an EVM (Error Vector Magnitude) value of an input signal. Further, a receiver includes a control unit which determines whether the frequency of EVM calculation is reduced or not, according to a comparison between the EVM value and a predetermined range including a threshold for switching processing by the EVM value. Further, a receiver includes a data reducing unit which controls the calculation interval of the EVM value in the EVM calculating unit, according to the determination result by the control unit. | 2012-09-20 |
20120236975 | RADIO RECEIVER AND METHOD FOR CONTROLLING RADIO RECEIVER - According to one embodiment, a radio receiver includes an antenna, a low-noise amplifier (LNA), a quadrature demodulator, an analog-to-digital converter (ADC), first and second power calculators, a correlation value calculator, a correction parameter generator, a corrector, a demodulator, and a controller. The antenna receives a signal. The LNA amplifies the received signal. The quadrature demodulator demodulates the amplified signal. The ADC converts analog IQ into digital IQ. The first and second power calculators calculate the first and second powers, respectively. The correlation value calculator calculates a correlation value between the digital IQ. The correction parameter generator generates a correction parameter based on the first and second power expected values, and the correlation value between the digital IQ. The corrector performs a linear transform operation. The demodulator demodulates the corrected IQ. The controller generates a gain control signal. The LNA is operated on the basis of the gain control signal. | 2012-09-20 |
20120236976 | RADIO RECEIVER - Various apparatuses and methods are described to reduce interference in signals subject to intermodulation products and high power narrow band interfering signals on lower power wideband signals. Apparatuses and methods described herein also provide the capability for supporting multi-standards, multi-modes and multi-bands in wireless and wired applications with a single receiver or a receiver with minor variations. The receiver described herein samples the entire band in which there can be signals of interest or signals that can generate interference. All of these signals are sampled in one bit stream and the bit stream is processed to isolate signals of interest and interfering signals. The isolated interfering signals are then cancelled out of the signals of interest. | 2012-09-20 |
20120236977 | Methods For Synchronizing Macro Cell And Small Cell Systems - Example embodiments are directed to a method including transmitting, by a small cell, a pilot signal to a user equipment (UE) based on a first training signal received from the UE, and receiving, by the small cell, a second training signal from the UE. The second training signal is offset by a time based on the pilot signal transmitted by the small cell. The time offset represents a difference in time between the UE receiving a reference signal transmitted by a macro cell and the UE receiving the pilot signal transmitted by the small cell. The small cell adjusts a local reference timing based on the second training signal. | 2012-09-20 |
20120236978 | TOOL FOR DELIVERY OF TESTING ELEMENT TO A LIMITED ACCESS LOCATION WITHIN A NUCLEAR CONTAINMENT - An improved tool for delivery of a testing element to a limited access location within a nuclear containment includes a rotation apparatus having a connection element that is configured to have an aperture that is formed generally centrally therein. The aperture is structured to receive therein a cable that extends from a testing element, which that avoids the need to use slip rings or similar devices to permit the testing element to carried on a pivotable and rotatable structure. Moreover, an improved submersible machine is structured to carry the tool to a limited access location within a nuclear containment. | 2012-09-20 |
20120236979 | NUCLEAR REACTOR MODULE - A part-built nuclear reactor module | 2012-09-20 |
20120236980 | NUCLEAR POWER STATION - A nuclear power station has a containment in which a reactor core is accommodated. According to the invention, an external cooling system for cooling the containment in the event of an accident is associated with the containment. The cooling system in particular has a coolant reservoir that is configured as a lake or is lake-like, and in which the containment is in contact with a coolant or may be brought into contact with a coolant, in particular a liquid coolant, in the event of an accident. | 2012-09-20 |
20120236981 | UNIVERSAL COUNTER/TIMER CIRCUIT - A counter/timer circuit and method of generating timed output signals using the counter/timer circuit, uses multiple counters that are configurable to operate as one or more counters. The counters are controlled by control signals from a control logic circuitry of the counter/timer circuit, where at least some of the control signals are dependent on event signals generated by an event generation module of the counter/timer circuit. The generated event signals are based on at least one of: an input signal, an output signal, and a counter match, qualified by a state value associated with the counters. | 2012-09-20 |
20120236982 | METHODS OF SCATTER CORRECTION OF X-RAY PROJECTION DATA 1 - Embodiments of the disclosure generally set forth techniques for adjusting an estimate of scattered radiation of a target object. One example method includes generating a plurality of radiographic projections, selecting a first radiographic projection and a second radiographic projection of the target object from the plurality of radiographic projections, forming first estimates of scattered radiation in the first and second radiographic projections, applying the first estimates of scattered radiation to the first and second radiographic projections to generate a modified first radiographic projection and a modified second radiographic projection, comparing the modified first and second radiographic projections to generate correction modules, and applying one of the correction modules to a first subset of the plurality of radiographic projections and another of the correction modules to a second subset of the plurality of radiographic projections. | 2012-09-20 |
20120236983 | METHODS OF SCATTER CORRECTION OF X-RAY PROJECTION DATA 2 - A system and method for forming an adjusted estimate of scattered radiation in a radiographic projection of a target object, which incorporates scattered radiation from objects adjacent to the target object, such as a patient table. A piercing point equalization method is disclosed, and a refinement of analytical kernel methods which utilizes hybrid kernels is also disclosed. | 2012-09-20 |
20120236984 | SYSTEM AND METHOD OF ACQUIRING MULTI-ENERGY CT IMAGING DATA - A CT system includes a rotatable gantry having an opening for receiving an object to be scanned, and a controller. The controller is configured to apply a first kVp for a first time period, apply a second kVp for a second time period, integrate two or more view datasets during the first time period, integrate one or more view datasets during the second time period, and generate an image using the datasets integrated during the first time period and during the second time period. | 2012-09-20 |
20120236985 | NON-PARALLEL GRATING ARRANGEMENT WITH ON-THE-FLY PHASE STEPPING, X-RAY SYSTEM - The present invention relates to X-rayimage acquisition technology in general. Employing phase-contrast imaging for X-rayimage acquisition may significantly enhance the visibility of structures in images acquired. However, phase-contrast information may only be obtainable in a small detector region with subsequent image acquisitions requiring individual phase stepping states to allow reconstruction of an X-ray image. Accordingly, a grating arrangement for phase-contrast imaging is provided which may allow on the fly phase stepping during a field of view scan. According to the present invention a grating arrangement ( | 2012-09-20 |
20120236986 | Circuit Arrangement For A Directly Converting Detector And Likewise The UseThereof And A Method For Reading A Directly Converting Detector - A circuit arrangement is disclosed for a detector. In at least one embodiment, the circuit arrangement includes a directly-converting semi-conductor material and pulse-shaper in the signal readout electronics assembly. A method is disclosed for a readout of count impulses generated in the semi-conductor material, wherein part of the pulse-shaper is equipped with a relatively longer shaping time constant and a different part of the pulse-shaper is equipped with a relatively shorter shaping time constant. | 2012-09-20 |
20120236987 | MULTIPLE ENERGY CT SCANNER - A CT scanner for multiple energy CT scanning of a subject having an X-Ray source adapted to rotate about the subject; and a detector array, having a plurality of detector elements, adapted to acquire attenuation data for X-Rays that have been attenuated by a subject disposed between said X-Ray source and said detector array, said detector array comprising at least two types of detector element, which are differ by their spectral response. The scanner is adapted to generate images associated with the different X-Ray energy spectra. | 2012-09-20 |
20120236988 | X-RAY IMAGING APPARATUS - An X-ray imaging apparatus comprises a grating configured to form an interference pattern by diffracting X-rays from an X-ray source, a amplitude grating configured to partly shield X-rays forming the interference pattern, and an X-ray detector configured to detect an intensity distribution of X-rays from the amplitude grating. The amplitude grating is comprised of a central area and a peripheral area and the peripheral area shows an X-ray transmittance higher than the central area relative to X-rays perpendicularly entering the amplitude grating. | 2012-09-20 |
20120236989 | Portable XRF analyzer for low atomic number elements - A portable XRF analyzer includes a pressure measurement device disposed to measure the ambient air pressure and a processing subsystem responsive to a detector subsystem and the pressure measurement device. The processing subsystem is configured to calculate the concentration of at least one low atomic number element in the sample based on the intensity of the x-rays detected by the detector subsystem at an energy level corresponding to the element. The intensity value is corrected based on the ambient air pressure. An XRF method is also disclosed wherein the concentration of an element is determined automatically by taking into account the barometric pressure. | 2012-09-20 |
20120236990 | X-Ray Inspection Based on Concealed Transmission Detection - Systems and methods for inspecting an object with a scanned beam of penetrating radiation. Scattered radiation from the beam is detected, in either a backward or forward direction, as is radiation transmitted through the inspected object. The source of penetrating radiation is concealed within an enclosure of a road-worthy vehicle, while a transmission detector is concealed within a separate enclosure. | 2012-09-20 |
20120236991 | APPARATUS AND METHOD FOR IMAGE PROCESSING AND STORAGE MEDIUM - An image processing apparatus and method including executing high-pass filtering in a column direction on the pixel values of original image data read from a flat panel detector to obtain first image data, and subtracting a value obtained by converting each of the pixel values of the first image data in accordance with an absolute value of a statistic calculated from pixel values in the same pixel row of the first image data from the value of a corresponding pixel of the original image data to obtain processed image data. | 2012-09-20 |
20120236992 | SCANNING SYSTEM FOR DIFFERENTIAL PHASE CONTRAST IMAGING - The invention relates to the field of X-ray differential phase contrast imaging. For scanning large objects and for an improved contrast to noise ration, an X-ray device ( | 2012-09-20 |
20120236993 | METHOD FOR CORRECTLY GEOMETRICALLY ASSIGNING X-RAY IMAGES - In a method for correctly geometrically assigning x-ray images of a patient an optically operating recording device is attached to an x-ray device generating the x-ray images. A dimensionally stable marker surface which can be optically detected by the recording device and defines a reference system is fixed to the patient in a fixed relative position. The x-ray device is brought into a first and second recording position such that the recording device is directed toward the marker surface. In a recording position the x-ray device produces a first and second x-ray image of the patient and the recording device produces a first and second recording of the marker surface. The respective geometric position of the first and second x-ray image is determined in the reference system from the recordings. The first and second x-ray images are correctly geometrically assigned to one another in accordance with their position. | 2012-09-20 |
20120236994 | Method of characterizing integrated memory structures - A method of determining the deviation of measured pattern vs. computed pattern is disclosed. Other methods are also disclosed herein. | 2012-09-20 |
20120236995 | Automated Imaging Contrast Agent Determination System - A system automatically adaptively determines contrast agent administration parameters for use in a CT scan imaging system. The system includes a repository, input processor, imaging processor and output processor. The repository includes predetermined information associating, a contrast agent type, contrast agent administration parameters, an imaging system X-ray tube voltage and at least one of, (a) a type of imaging procedure and (b) an anatomical region to be imaged. The input processor receives data identifying a type of imaging procedure or an anatomical region to be imaged. The imaging processor uses the information in automatically identifying contrast agent parameters and X-ray tube voltage in response to the received data. The output processor provides output data to a destination device indicating contrast agent parameters for use in administering contrast agent to a patient. | 2012-09-20 |
20120236996 | RADIATION CONTROL AND MINIMIZATION SYSTEM AND METHOD - A radiation control system and method are provided in which radiation delivered to a patient and/or the operator of the equipment is minimized. The radiation control system may be used in a large variety of applications including applications in which radiation source is used to inspect an object, such as, for example, medical imaging, diagnosis and therapy, in manufacturing operation using radiation, in airports scanning systems, in different security setups, and in nuclear reactors automation and process control. The radiation control system and method may also be used with 3D imaging. | 2012-09-20 |
20120236997 | ALLOY COMPRISING TWO REFRACTORY METALS, PARTICULARLY W AND TA AND X-RAY ANODE COMPRISING SUCH ALLOY AND METHOD FOR PRODUCING SAME - An alloy comprising at least two refractory metals and a method for forming such alloy are proposed. In the alloy, a first refractory metal such as tantalum forming a minor portion of the alloy is completely dissolved in a second refractory metal such as tungsten forming a major portion of the alloy. The alloy may be formed by providing the two refractory metals in a common crucible (step S | 2012-09-20 |
20120236998 | COMPUTED RADIOGRAPHY SCANNER AND ENVELOPE FOR IMAGING PLATES - A scanner for processing intra-oral flexible information carrier plate exposed to X-rays and an envelope for the plate. The scanner comprises housing with an opening for entering an enveloped plate. The envelope is provided with a protrusion and the opening of the scanner is provided with a shoulder. When the enveloped plate is entered in the opening the protrusion abuts the shoulder such that the plate is allowed to exit from the envelope and pass inside the housing while the envelope is retained outside the housing. | 2012-09-20 |
20120236999 | X-RAY APPARATUS AND METHOD FOR CONTROLLING THE MOVEMENT OF AN X-RAY APPARATUS - An X-ray apparatus is provided. The Xpray apparatus has a C-arm on which an X-ray source and an X-ray detector can be mounted opposite one another, at least one actuator for positioning the C-arm relative to a patient table, and a control device for controlling the actuator. The X-ray apparatus includes at least one sensor which detects a deformation of the C-arm at a first position of the C-arm and converts it into an output signal, the deformation of the C-arm being influenceable by a force exerted by an operator and applied directly or indirectly at a second position on the C-arm. The control device influences the actuator as a function of the output signal of the sensor. A method for controlling the movement of an X-ray apparatus is also described. | 2012-09-20 |
20120237000 | COVERLET - A coverlet ( | 2012-09-20 |
20120237001 | PHONE TEST SET TDR - A phone test set provides TDR capability in a hand held device, enabling measurements on phone lines including, distance to opens, distance to shorts, and distance to bridge taps. | 2012-09-20 |
20120237002 | TRIGGERING A 911 VOICE CALL FROM A NON-VOICE MESSAGE - A voice based emergency call, such as a call to 911, is provided to a public safety answering point (PSAP) triggered from a non-voice based emergency call. When a non-voice based call is sent to a PSAP that does not accept non-voice based calls, upon determining that the PSAP can not handle non-voice based calls, the communication network is utilized to establish a voice based call with the PSAP. | 2012-09-20 |
20120237003 | EMERGENCY NUMBER INTEGRATED INFORMATION ASSIMILATION DEVICE - An information transponding device in communication with an emergency number answering point, an ALI database and a remote storage device. The information transponding device receives ANI information from the emergency number answering point and accesses corresponding information in the ALI database and the remote storage device and assimilates the information into a readable format utilized at the emergency number answering point and transmits to the readable format to the emergency number answering point. The detailed information is updated and modified by authorized users via a secure Web portal on the World Wide Web. An automatic notification device automatically informs predetermined contacts that an emergency number was dialed from a particular line. | 2012-09-20 |
20120237004 | Wireless Communications Interface - A wireless communications interface couples wireless service to conventional wireline phone appliances. In one embodiment, the wireless communications interface is connected to the phone appliances through existing phone jacks. This allows a user to place and receive calls over a wireless network using the existing wireline infrastructure in a building. By using the invention, users can consolidate their portable and fixed phone service with one of the multiple wireless service providers and bypass the wireline service provider entirely, if so desired. In a second embodiment, the wireless communications interface is directly connected to the phone appliances, bypassing the installed wireline infrastructure. In a third embodiment, both wireline and wireless service are operative, and the wireless communications interface may include logic arbitration to route multiple calls to multiple phone appliances. | 2012-09-20 |
20120237005 | System and Method of Adjusting the Sound of Multiple Audio Objects Directed Toward an Audio Output Device - Embodiments of the present invention include methods and apparatuses for adjusting audio content when more multiple audio objects are directed toward a single audio output device. The amplitude, white noise content, and frequencies can be adjusted to enhance overall sound quality or make content of certain audio objects more intelligible. Audio objects are classified by a class category, by which they are can be assigned class specific processing. Audio objects classes can also have a rank. The rank of an audio objects class is used to give priority to or apply specific processing to audio objects sin the presence of other audio objects of different classes. | 2012-09-20 |
20120237006 | APPARATUS AND METHOD FOR PROVIDING CALLER INFORMATION - Provided are an apparatus and method for providing caller information, capable of automatically collecting identification information of a caller during a call with a caller not stored in an address book, and providing the identification information of the caller that is collected during the call to a user if the caller transmits a call again, thereby enabling the terminal user to select whether to answer the call. Accordingly, the identification information of the caller not stored in the address book is able to be collected without an additional operation performed by the terminal user, thereby enabling the terminal user to easily select whether to answer the call with the corresponding caller. | 2012-09-20 |
20120237007 | METHOD FOR SETTING VOICE TAG - A method for setting a voice tag is provided, which comprises the following steps. First, counting a number of phone calls performed between a user and a contact person. If the number of phone calls exceeds a predetermined times or a voice dialing performed by the user is failed before calling to the contact person within a predetermined duration, the user is inquired whether or not to set a voice tag corresponding to the contact person after the phone call is complete. If the user decides to set the voice tag, a voice training procedure is executed for setting the voice tag corresponding to the contact person. | 2012-09-20 |
20120237008 | Message Routing and Determining a Message Recipient in a Unified Messaging System - A sender is identified based at least in part on originator identification information associated with an incoming communication. A message recipient is then determined based at least in part on the identified sender and one or more databases associated with message recipients by comparing the originator identification information to one or more entries in the one or more databases. The incoming communication is routed to the determined message recipient of a shared mailbox of a unified messaging system. An intended recipient is identified among the owners of the shared unified messaging mailbox owners. Only the determined message recipient is notified of the deposited message, based on the dynamic information derived from each deposited message. | 2012-09-20 |
20120237009 | Systems and methods for multimodal communication - Described are a system and method of presenting electronic information from an interactive response system to a user communications device. The interactive response system determines a trusted communication service for exchanging the electronic information with the user communications device. First electronic information is presented in a first communication mode from the interactive response system to the user communications device. Second electronic information is presented in at least one second communication mode to the user communications device by the trusted communication service. | 2012-09-20 |
20120237010 | Coupling signal processing circuitry with a wireline communications medium - A system and method for processing a communication signal from a wireline is provided. The system comprises a coupling unit and signal processing circuitry. The coupling unit comprises a transformer and is configured to receive the communication signal from the wireline. The coupling unit is also configured to generate a first signal based on amplifying or attenuating the communication signal according to a first winding ratio of the transformer and a second signal based on amplifying or attenuating the communication signal according to a second winding ratio of the transformer. The signal processing circuitry is configured to process the first signal and the second signal. | 2012-09-20 |
20120237011 | APPARATUS AND METHODS FOR NOTIFICATION OF A PARTY IN A TELEPHONE CONFERENCE - Systems, methods, and machine-readable articles of manufacture enable private notification of a participant in a telephone conference. In representative embodiments, a system receives a telephone call intended for a first conference participant, generates an informative announcement containing information regarding the call, mixes the informative announcement with the conference audio, and privately plays the mixed audio to the first participant. In other representative embodiments, the system concurrently generates a non-informative announcement, mixes the non-informative announcement with the conference audio, and plays the second mixed audio to the other conference participant or participants. In this way, the first participant is notified of the incoming call while simultaneously listening to the conference audio, and the information regarding the call is not shared with the other conference participant or participants. | 2012-09-20 |
20120237012 | xDSL SYSTEM AND SIGNAL TRANSMISSION METHOD, SENDING DEVICE, AND RECEIVING DEVICE OF xDSL SYSTEM - An xDSL signal transmission method includes: receiving 2N−1 signals from 2N−1 signal input ends, where each signal in the 2N−1 signals is a signal transmitted by an independent channel in the xDSL system; pre-multiplying a (2N−1)×1 matrix formed by the 2N−1 signals by a first conversion matrix to obtain a 2N×1 matrix, where elements in the 2N×1 matrix respectively correspond to 2N signals, and the first conversion matrix is a 2N×(2N−1) matrix; and sending the 2N signals via N twisted pair lines respectively. The N twisted pair lines can transmit signals of 2N−1 channels, thereby increasing the number of signal transmissions, and improving signal transmission efficiency. | 2012-09-20 |
20120237013 | METHOD AND A SYSTEM FOR TRANSFERRING DATA RELATED TO A CALLING CARD FUNCTION IN A TELECOMMUNICATIONS NETWORK, AS WELL AS A SERVER, A COMPUTER PROGRAM AND A COMPUTER PROGRAM PRODUCT - The invention concerns a system for transferring data related to a calling card function between a server ( | 2012-09-20 |
20120237014 | ROUTING CALLS IN A NETWORK - A method includes receiving a telephone number mapping query associated with a call. The method may also include generating routing information based on the query and forwarding the routing information to a control device. The routing information may indicate that processing associated with routing the call is to bypass a core portion of an Internet multimedia subsystem (IMS) when a calling party associated with the call does not invoke an IMS service, the called party associated with the call does not invoke an IMS service and the called party is not an IMS subscriber. | 2012-09-20 |
20120237015 | TELEPHONE SYSTEM - A telephone system comprising switching circuitry configured for coupling a call to a telephone extension coupled to the system, voice processing circuitry configured for automatically interacting with the call, a microprocessor, a first data bus connected between the microprocessor and the switching circuitry, and a second data bus connected between the microprocessor and the voice processing circuitry. | 2012-09-20 |
20120237016 | SYSTEM AND METHOD FOR OBSERVING A COMMUNICATION SESSION - An approach is provided for initiating a service observing session by tracking a number of concurrent service observing sessions to an automatic call distributor, and selectively restricting the number of concurrent sessions based on a predetermined restriction criterion. Each of the service observing sessions is established for a user to monitor a voice call involving an agent. | 2012-09-20 |
20120237017 | METHOD, DEVICE AND SYSTEM FOR EXTENDING CHANNELS - The present invention provides a method, a device and a system for extending channels, and belongs to the field of communications technologies. The method includes: generating a non-cascade extended channel by using a first channel and a second channel; and generating a first-level cascade extended channel by using the non-cascade extended channel and a third channel, where the first channel and the second channel are both twisted-pair channels, and the third channel is a twisted-pair channel or another non-cascade extended channel. The device includes a first transformer and a second transformer. The system includes a first device and a second device. | 2012-09-20 |
20120237018 | APPARATUS AND METHOD FOR CONVERGENCE CONTROL - Regardless of the presence of echo or uplink speech, a microphone signal is received at a small filter and this small filter is functionally and/or physically separate from an adaptive echo canceller filter. The signal is applied to the small filter and an error signal is determined from the signal utilizing the small filter. The small filter continuously adapts the received signals. A first adaptation factor is determined based at least upon the error signal and the microphone signal according to a first signal analysis approach and a second adaptation factor is determined based at least upon the microphone signal according to a second signal analysis approach. The first adaption factor is compared to the second adaptation factor and one of the first adaptation factor or the second adaptation factor is selected based upon at least one predetermined criteria. The selected adaptation factor is applied to the echo canceller filer to control the convergence of the echo canceller filter. | 2012-09-20 |
20120237019 | WALL MOUNT TELEPHONE AND WALL MOUNT TELEPHONE ASSEMBLY - A wall mount telephone is for use with a socket panel that includes at least one socket receptacle selected from a power socket and a telephone socket. The wall mount telephone includes a base and a handset device. The base includes a mounting wall having a back side provided with a plug that is adapted for direct removable connection with the socket receptacle. The plug is one of a power plug and a telephone plug. The handset device is removably disposed on the base and includes a circuit board that is electrically coupled to the plug to receive a signal from the socket receptacle via the plug when the plug is connected to the socket receptacle. | 2012-09-20 |
20120237020 | METHODS FOR CUSTOMIZING A RIJNDAEL BLOCK CIPHER - A key variable loader receives a set of Rijndael parameters that were verified using a simulation computer, wherein the set of Rijndael parameters provide an input for implementing at least one step of the Rijndael block cipher and when used with a secret key allow a conversion between plain text and cipher text using the Rijndael block cipher. The key variable loader further stores the set of Rijndael parameters and subsequently provides the set of Rijndael parameters to a device having a customizable Rijndael block cipher, like a subscriber unit or a key management facility. | 2012-09-20 |
20120237021 | MULTI-DIMENSIONAL MONTGOMERY LADDERS FOR ELLIPTIC CURVES - An algorithm is provided having a matrix phase and point addition phase that permits computation of the combination of more than two point multiples. The algorithm has particular utility in elliptic curve cryptography (ECC) such as for computing scalar multiplications in, e.g. batch ECC operations, accelerating Lenstra's ECM factoring algorithm, exploiting expanded ECC certificates (which contain pre-computed multiples of a party's public key), incremental hashing based on elliptic curves, accelerating verification of ECDSA signatures, etc. | 2012-09-20 |
20120237022 | SENSOR WITH SIGNATURE OF DATA RELATING TO SENSOR - A sensor has codes useful for a monitor which can be authenticated as accurate. The sensor produces a signal corresponding to a measured physiological characteristic and provides codes which can be assured of being accurate and authentic when used by a monitor. A memory associated with the sensor stores both data relating to the sensor and a digital signature. The digital signature authenticates the quality of the code by ensuring it was generated by an entity having predetermined quality controls, and ensure the code is accurate. | 2012-09-20 |
20120237023 | Secure Key Management - A system for implementing computer security is provided. The system includes a computer processor and an application configured to execute on the computer processor, the application implementing a method that includes creating a token and populating a payload section of the token with key material and selecting a wrapping method that specifies how the key material is securely bound to key control information. A structure of the key control information in the token is independent of the wrapping method. Implementing computer security also includes wrapping the key material and binding key control information to the key material in the token. The key control information includes information relating to usage and management of the key material. | 2012-09-20 |
20120237024 | Security System Using Physical Key for Cryptographic Processes - One embodiment of the invention is based on the recognition that by keeping the encryption key (DEK) in a key device, and using the key device to perform all encryption and decryption, where the DEK is not supplied to the computing system, the above noted security problems can be overcome. The encrypted information is stored in the computing system and not in the key device. However, without the key device, it is not possible to access the encrypted information stored in the computing system. Thus, the function of the key device is similar to that of a physical key used in daily life for unlocking a door or drawer, except that the user gains access to protected information instead of access to a building, drawer or car. | 2012-09-20 |
20120237025 | DEVICE AND METHOD FOR DETERMINING AN INVERSE OF A VALUE RELATED TO A MODULUS - A device for determining an inverse of an initial value related to a modulus, comprising a unit configured to process an iterative algorithm in a plurality of iterations, wherein an iteration includes two modular reductions and has, as an iteration loop result, values obtained by an iteration loop of an extended Euclidean algorithm. | 2012-09-20 |
20120237026 | DATA STRUCTURE OF MULTIMEDIA FILE FORMAT, ENCRYPTING METHOD AND DEVICE THEREOF, AND DECRYPTING METHOD AND DEVICE THEREOF - In a data structure of a multimedia file format, a movie box and a media data box are provided. In each box, a non-encrypted size field, a non-encrypted type field and box data field are provided. In box data of the movie box, information data regarding multimedia data is stored. The multimedia data is encrypted and stored in box data of the media data box. The information data is obtained by referring to the container in the movie box. This information data is held as encryption and encoding information data. By referring to the information data, a data unit of the encrypted multimedia data in the media data box is obtained, and the unit data is decrypted. | 2012-09-20 |
20120237027 | MULTIPLE STREAM DECRYPTING AND DECODING SYSTEMS AND RELATED METHODS THEREOF - A method for setting the bandwidth of a multiple stream decrypting and decoding system includes at least the following steps: authenticating a multiple transport stream decryption card; sending a transport stream through the system; extracting program information from the transport stream; utilizing the program information to set a bandwidth limit to the system; and enabling the multiple transport stream decryption card. | 2012-09-20 |
20120237028 | MISSION PLANNING INTERFACE FOR ACCESSING VEHICLE RESOURCES - In an aspect, the invention features a method for mission planning The method includes displaying a graphical representation of a geographical area and displaying a graphical representation of one or more regions within the geographical area. The method also includes accepting a specification of geographical regions from a user, accepting a specification of a set of one or more receivers from the user, and accepting a specification of resource access rights associated with the specific one of the geographical regions from the user. The method also includes remotely causing access to a vehicle's resources to be provided or denied to the specified set of one or more receivers based on their association with the specific one of the geographical regions specified by the user when the vehicle is within the specific one of the geographical regions specified by the user. | 2012-09-20 |
20120237029 | METHOD AND SYSTEM FOR MAINTAINING SECURE DATA INPUT AND OUTPUT - Methods and systems for enhancing the security of data during input and output on a client computer system are provided to prevent attempts by unauthorized code to access, intercept, and/or modify data. Example embodiments provide obfuscation techniques and security enhanced drivers that use these obfuscation techniques to prohibit unauthorized viewing/receiving of valid data. When the drivers are used together with the various obfuscation techniques, the security enhanced drivers provide mechanisms for “scheduling” the content of the storage areas used to store the data so that valid data is not available to unauthorized recipients. When unauthorized recipients attempt to access the “data,” they perceive or receive obfuscated data. The obfuscation techniques described include “copy-in,” and “replace and restore.” | 2012-09-20 |
20120237030 | ELLIPTIC CURVE-BASED MESSAGE AUTHENTICATION CODE SYSTEM AND METHOD - The elliptic curve-based message authentication code is a computational method for improving the security of existing message authentication code (MAC) generating methods through the use of elliptic curve cryptography. Particularly, the message authentication codes and elliptic curve cryptography are based on an elliptic curve discrete logarithm problem, which is well known in mathematics to be a computationally hard problem. | 2012-09-20 |
20120237031 | Generating Identical Numerical Sequences Utilizing a Physical Property and Secure Communication Using Such Sequences - Substantially identical numerical sequences known only to stations A and B are generated in a manner not subject to duplication by an eavesdropper and not subject to cryptanalytic attack because they are not derived using a mathematical function (such, as for example, factoring). The sequences are independently derived utilizing a physical phenomena that can only be “measured” precisely the same at stations A and B. Signals are simultaneously transmitted from each station toward the other through a communication channel having a characteristic physical property capable of modifying the signals in a non-deterministic way, such as causing a phase shift. Each signal is “reflected” by the opposite station back toward its station of origin. The effect of the communication channel is “measured” by comparing original and reflected signals. Measured differences are quantized and expressed as numbers. | 2012-09-20 |
20120237032 | TWO-STAGE BLOCK SYNCHRONIZATION AND SCRAMBLING - A two-stage block synchronization and scrambling module includes a synchronization PRNG module, a scramble PRNG module, a summing module, and a storage module. The synchronization PRNG module is clocked once per N+1 bit PCS frame (N arbitrary) to produce a synchronization bit and a pseudo-random starting state for the scramble PRNG. The scramble PRNG module is clocked N times per PCS frame to produce a cipher stream starting with a pseudo-random state from the synchronization | 2012-09-20 |
20120237033 | NODE, A ROOT NODE, AND A COMPUTER READABLE MEDIUM - According to one embodiment, a wireless mesh network includes a plurality of nodes of which one is a root node and two nodes hierarchically adjacent have a parent-child relationship. In a node in the wireless mesh network, an authentication processing unit executes an authentication for network access with the root node when the node joins in the wireless mesh network. A root key setting unit generates a root key as a common key between the root node and the node. A parent-child key setting unit generates a parent-child key as a common key between a parent node and the node, encrypts the parent-child key using the root key, and sends the parent-child key encrypted to the root node. A group key acquisition unit receives a group key encrypted using the parent-child key from the parent node, and decrypts the group key using the parent-child key. | 2012-09-20 |