09th week of 2010 patent applcation highlights part 21 |
Patent application number | Title | Published |
20100054278 | APPARATUS METHOD AND MEDIUM FOR DETECTING PAYLOAD ANOMALY USING N-GRAM DISTRIBUTION OF NORMAL DATA - A method, apparatus and medium are provided for detecting anomalous payloads transmitted through a network. The system receives payloads within the network and determines a length for data contained in each payload. A statistical distribution is generated for data contained in each payload received within the network, and compared to a selected model distribution representative of normal payloads transmitted through the network. The model payload can be selected such that it has a predetermined length range that encompasses the length for data contained in the received payload. Anomalous payloads are then identified based on differences detected between the statistical distribution of received payloads and the model distribution. The system can also provide for automatic training and incremental updating of models. | 2010-03-04 |
20100054279 | ADAPTIVE, SCALABLE PACKET LOSS RECOVERY - A system for transmitting data packets representing a source signal across a packet data network is provided. The encoder comprises a first encoder ( | 2010-03-04 |
20100054280 | PACKET BASED DATA CELL DELINEATION - A method of delineation of a packet-based data stream in order to identify a boundary between neighbouring packets in the data stream, wherein the data stream comprises a predetermined number of bits (N); the method comprising the steps of: processing the data stream to search for the boundary between neighbouring packets in the data stream; characterised in that the method further comprises calculating the greatest common divisor (GCD) of a bit skip integer (n) where (N) and (n) are co-primes; iteratively checking after each n bits to identify the boundary between the neighbouring packets. | 2010-03-04 |
20100054281 | Method of transmitting modulated signals multiplexed by frequency division multiplexing and physical quantity detector using this method - A transmitting method has steps of modulating carrier waves having frequencies set at ½ | 2010-03-04 |
20100054282 | METHOD AND DATA TRANSMISSION SYSTEM FOR TRANSFERRING DATA BETWEEN THE DATA TRANSMISSION SYSTEM AND A HOST PROCESSOR OF A PARTICIPANT IN A DATA TRANSMISSION SYSTEM - A method is for transferring data between a data transmission system and a processor of a participant in the data transmission system. All components of the data transmission system are synchronized to a common global time base. The operating-system time base of the participant processor is synchronized to the global time base of the data transmission system. To render possible a synchronization of the operating-system time base to the global time base in complex data transmission systems as well, it is provided that the operating-system time base of the participant processor be synchronized to the global time base of the data transmission system at least prior to a data transfer, and, to this end, that a synchronization clock pulse that is synchronous to the global time base of the data transmission system be provided for synchronizing the operating-system time base. This synchronization clock pulse is provided by a suitable arrangement that is implemented as hardware and/or software. In a data transmission system for implementing the method, the synchronization clock pulse is provided by suitable arrangement(s) of the communications controller and applied to the host processor via a synchronization line. | 2010-03-04 |
20100054283 | METHOD OF TRANSFERRING TIMING INFORMATION OVER PACKET NETWORK - Timing information is transmitted over a network by sending time-stamped packets between a transmitter and receiver. The time-stamped packets are used to compute an estimate of the frequency deviation between the transmitter clock and the receiver clock. The local receiver clock is periodically updated to match the transmitter clock based on the estimate, which is preferably a least squares estimate. A multiple window approach is employed to increase update speed. | 2010-03-04 |
20100054284 | CONTINUOUS-WAVE LASER - A continuous wave Raman laser for producing visible laser output comprising: a resonator cavity; at least a first reflector and a second reflector said first and second reflectors being located at opposite ends of the resonator cavity; a laser gain medium located in the resonator cavity for generating a continuous wave fundamental beam which resonates within the resonator cavity when pumped by a pump beam from a pump source external to the resonator cavity; a solid Raman-active medium positioned in the resonator cavity for Raman shifting the fundamental beam to produce a continuous wave Raman beam which resonates within the resonator cavity; and a non-linear medium positioned in the resonator cavity for frequency converting the continuous wave Raman beam to a converted wavelength to produce a continuous wave converted beam. | 2010-03-04 |
20100054285 | All Fiber Mode Locked Fiber Laser at One Micron - Methods and systems for generating mode locked, femtosecond and picosecond laser pulses are disclosed, including generating electromagnetic radiation from a pump laser; coupling the pump laser electromagnetic radiation to a ring cavity comprising: a WDM coupler, a Ytterbium doped fiber, a first single mode fiber, a bandpass filter and dispersion device; a second single mode fiber; a first in-line polarization controller; an in-line polarization beam splitter comprising a polarization maintaining output configured to emit the laser pulses out of the ring cavity and a single mode fiber output coupled back into the ring cavity; a polarization insensitive isolator; a second in-line polarization controller; and a third single mode fiber; and wherein the ring cavity is configured to operate at net anomalous dispersion. Other embodiments are described and claimed. | 2010-03-04 |
20100054286 | Semiconductor Diode Pumped Laser Using Heating-Only Power Stabilization - A laser system such as a DPSS green laser uses a laser diode pump source that is specially selected so that the wavelength of diode source is centered around the optimal source wavelength, typically 808 nm, which produces the optimal green laser output from the system. Unlike prior systems in which the source wavelength is at 808 nm at typical ambient temperature of about 25° C., in the system disclosed, the source wavelength is at 808 nm at a temperature significantly higher than ambient, which may be as high as about 40° C. In this system optimum performance can be established and maintained in a broad temperature range such as 0˜50° C. using only a heating element adjacent to the diode laser pump source. No cooling is required. Cost, size, and power requirements of the system are therefore minimized. | 2010-03-04 |
20100054287 | Method and System for Laser-Based High-Speed Digital Marking of Objects - Laser marking system and method are provided. A laser source is configured to supply a laser beam having a first optical intensity level and a respective beam cross-section. A spatial light modulator (SLM) is optically coupled to the laser source to receive the laser beam. The SLM is controlled to generate an output laser beam with an optical pattern containing a data code matrix across the beam cross-section. An optical amplifier is coupled to the SLM to receive the laser beam from the SLM and generate an amplified laser beam containing the same data code matrix as generated by the SLM. The amplified laser beam has a second optical intensity level higher relative to the first intensity level and is selectable to either ablatively or non-ablatively mark a target object with the data code matrix. | 2010-03-04 |
20100054298 | OPTICAL FIBER TEMPERATURE SENSOR - The present invention relates to an optical fiber temperature sensor capable of reducing an error in a temperature measurement. The sensor comprises an optical fiber, an optical frequency difference adjusting section, a light source system, a spectrum measuring section, a temperature calculating section, and a correcting section. The light source system outputs, into different ends of the optical fiber, probe light and pumping light of which each center frequency is set corresponding to an instruction from the optical frequency difference indicating section respectively. The temperature calculating section calculates a temperature of an object based on BGS in a first domain measured by the spectrum measuring section. On the other hand, the correcting section outputs a correction instruction to the light source system so that BGS center frequency of a second domain may be in agreement with a reference value thereof. | 2010-03-04 |
20100054299 | SENSOR DEVICE - A sensor device is provided for detecting thawing on surfaces with interdigital electrodes formed in a resistance layer which is formed on a substrate. In order to develop the sensor device further so that the measuring speed of the sensor device is further increased, the disclosure proposes that the interdigital electrodes and recesses between the interdigital electrodes have a moisture-sensitive hydrophilic surface through condensation cores applied to it. | 2010-03-04 |
20100054300 | Temperature-sensing undergarment - A temperature-sensing undergarment is provided. The temperature-sensing undergarment primarily includes a garment body, at least one temperature-sensing device and a processing device. The garment body is provided with a receiving pocket, from which at least one conductor is extended to two armpit portions of the garment body. When the garment body is worn on a human body, the temperature-sensing devices disposed at the two armpit portions of the garment body will sense the body temperature and transmit a temperature-sensing signal to the processing device via the conductor. Thus, variation of the body temperature can be detected continuously. | 2010-03-04 |
20100054301 | TEMPERATURE SENSOR - The temperature sensor | 2010-03-04 |
20100054302 | TWO-TERMINAL SEMICONDUCTOR SENSOR DEVICE - Provided is a two-terminal semiconductor sensor device with which an external device having low circuit or element accuracy may be used. An output voltage (VOUT) of the two-terminal semiconductor sensor device based on temperature is not based on a constant current of a constant current source ( | 2010-03-04 |
20100054303 | Temperature sensor mounting unit - According to an aspect of the present invention, there is provided a temperature sensor mounting unit for mounting a temperature sensor to a mounting-target member at a mounting hole formed on a mounting wall thereof, the temperature sensor mounting unit including: a clip main body including: a base plate that is to be positioned on a front surface side of the mounting wall, the base plate having an installation hole formed therein, the installation hole allowing the temperature sensor to penetrate into a rear surface side of the mounting wall; and a plurality of elastic engagement pieces that extend from the base plate to be engaged with a circumferential edge of the mounting hole at the rear surface side of the mounting wall; and an elastic seal member configured to be disposed between the clip main body and the mounting wall. | 2010-03-04 |
20100054304 | Enhanced system and method for detecting the leading edge of a waveform - The present invention is an improved system and method for detecting the leading edge of a waveform. More specifically, the invention relates to detecting the leading edge of an ultra wideband waveform. The invention requires locking to the ultra wideband waveform at a lock reference time, and sampling the ultra wideband waveform during one or more time windows relative to the lock reference time to identify one or more leading edge candidate times based on one or more detection criterion. The ultra wideband signal is sampled at a band limited Nyquist rate that avoids aliasing within a band of interest of the ultra wideband waveform, but allows aliasing outside of the band of interest to minimize the number of samples for leading edge detection processing. | 2010-03-04 |
20100054305 | SYSTEM INCLUDING CAPACITIVELY COUPLED ELECTRODES AND CIRCUITS IN A NETWORK - A system including a first electrode, a second electrode, a first circuit and a second circuit. The second electrode is capacitively coupled to the first electrode. The first circuit is configured to receive data via a network and transmit a signal via the first electrode based on the data. The second circuit is configured to receive data via the network and receive a current that corresponds to the signal via the second electrode based on the data. | 2010-03-04 |
20100054306 | SIGNAL TRANSMITTING METHOD AND DEVICE AND INFORMATION DETECTING DEVICE - A signal transmitting device detects information on respective frequencies of a plurality of subcarriers configuring an interference signal and information on respective voltage values of the subcarrier from the received interference signal, and modulates data according to the ultra-wideband scheme through subcarriers of part of predetermined bandwidths based on frequency information and voltage value information to generate ultra-wideband signals. Accordingly, signal interference with a heterogeneous communication device can be reduced by detecting an interference signal when an absolute value of the interference signal is small or noise power of the interference signal is large. | 2010-03-04 |
20100054307 | WIRELESS SENSOR NETWORK - A system for event monitoring is disclosed. The system includes a remote sensor, a remote transceiver interfaced to the remote sensor, and a base transceiver that selectively wirelessly communicates with the remote transceiver. The remote transceiver provides a periodic communication to the base transceiver that is indicative of a nominal operating condition and the periodic communication is acknowledged by the base transceiver. | 2010-03-04 |
20100054308 | SYSTEM AND METHOD FOR SELECTING WIRELESS SIGNAL BANDWIDTH BASED ON SIGNAL STRENGTH MEASUREMENTS PROVIDED BY WIRELESS RECEIVERS - A method and system are provided which combine (i) adaptive multi-rate half-rate transmission and (ii) intelligent frequency hopping wherein frequency hopping and intelligent underlay overlay are used simultaneously. In the latter, frequency hopping is controlled on a frequency group by frequency group basis, and one frequency hopping group is made up of one or more regular transmitters of a cell and another frequency hopping group is made up of one or more super reuse (super layer) transmitters of the cell. A wireless terminal (e.g., handset) is used in determining the carrier to interference (C/I) ratio for a received signal. A determination is then made as to whether the C/I ratio is acceptable for super layer transmission, and, if the ratio is acceptable, a super reuse transmitter operating in the superlayer range at the half-rate transmission rate is used to transmit a call to the terminal. | 2010-03-04 |
20100054309 | NONPARAMETRIC MIMO G-RAKE RECEIVER - With a nonparametric G-Rake receiver, combining weights may be determined using a nonparametric mechanism in multiple-input, multiple-output (MIMO) scenarios. In an example embodiment, a method for a receiving device having a nonparametric G-Rake receiver entails calculating an impairment covariance matrix and determining combining weights. More specifically, the impairment covariance matrix is calculated based on a pilot channel using a nonparametric mechanism in a MIMO scenario in which a code-reuse interference term exists. The combining weights are determined for the nonparametric G-Rake receiver responsive to the impairment covariance matrix and by accounting for the code-reuse interference term. | 2010-03-04 |
20100054310 | METHOD OF ACQUIRING A RECEIVED SPREAD SPECTRUM SIGNAL - A method of acquiring a received spread spectrum signal comprises receiving a spread spectrum signal, analysing the received signal to detect interference within the received signal, and adapting the baseband processing of the received signal to reduce power consumption during periods of detected interference. This allows the GPS processing resources to be focussed on areas of signal where there is little or no interference, and this is possible without modification to the source of interference. The interference is detected from an analysis of the received signal, and in particular before the baseband digital signal processing. | 2010-03-04 |
20100054311 | WCDMA terminal baseband processing module having multi-path scanner module - A baseband processing module according to the present invention includes a multi-path scanner module. The multi-path scanner module is operable to receive timing and scrambling code information regarding an expected multi-path signal component of a WCDMA signal. Then, the multi-path scanner module is operable to identify a plurality of multi-path signal components of the WCDMA signal by descrambling, despreading and correlating a known symbol pattern of/with a baseband RX signal within a search window. The multi-path scanner module is operable to determine timing information for the plurality of multi-path signal components of the WCDMA signal found within the search window and to pass this information to a coupled rake receiver combiner module. | 2010-03-04 |
20100054312 | MULTICARRIER TRANSMISSION SYSTEM WITH LOW POWER SLEEP MODE AND RAPID-ON CAPABILITY - A multicarrier transceiver is provided with a sleep mode in which it idles with reduced power consumption when it is not needed to transmit or receive data. The full transmission and reception capabilities of the transceiver are quickly restored when needed, without requiring the full (and time-consuming) initialization commonly needed to restore such transceivers to operation after inactivity. | 2010-03-04 |
20100054313 | Single-wire transmission interface and method of transmission through single-wire - The present invention discloses a single-wire transmission interface, and a method of transmission through single-wire. The method comprises: providing a single-wire signal through a single-wire; and transmitting information only in a transmission period defined by a fixed first time period starting from one of a rising or a falling edge of the single-wire signal. | 2010-03-04 |
20100054314 | INITIALIZATION OF AND MODEM FOR AN OFDM DATA TRANSMISSION - A method and modem are provided for obtaining an optimized efficiency of an Orthogonal Frequency Division Multiplex (OFDM) data transmission, such as for power line communication, for example. The length or duration of a guard interval or cyclic prefix in an OFDM symbol is newly selected at each start-up of a modem while initializing or preparing the OFDM data transmission. The length of the guard interval can be given by the number of samples in a time-discrete representation, and the value of such number of samples that is retained for the subsequent data transmission can be selected from a plurality of pre-determined possibilities based on an evaluation of a channel quality of a communication channel including a physical line to which the modem is connected. Hence, the selected value depends on actual transmission conditions, and the optimization potential offered by a more flexible handling of system parameters is exploited to meet changing conditions on the physical line. | 2010-03-04 |
20100054315 | Apparatus and Method for Start-up in Communication System - A transceiver in a communication system and a start-up method thereof are provided. The transceiver comprises an auto-negotiation circuit, a timing recovery circuit, an interference cancellation circuit and an equalizer. The auto-negotiation circuit performs an auto-negotiation procedure to determine whether the transceiver operates as a master or slave transceiver. If the transceiver operates as a slave transceiver, it executes a first stage and a second stage during the start-up process. In the first stage, the transceiver performs channel estimation to generate a channel estimation value, presets the parameters of the equalizer according to the channel estimation value, and trains the timing recovery circuit and the equalizer; in the second stage, the transceiver trains the interference cancellation circuit. | 2010-03-04 |
20100054316 | DIGITAL SUBSCRIBER LINE (DSL) NETWORK UPGRADE TOOL - A network upgrade tool creates an upgrade project designating a source digital subscriber line access multiplexer (DSLAM), a target DSLAM, and an upgrade type and determines whether the source DSLAM and target DSLAM are eligible for upgrade based on the upgrade type. At least one new digital subscriber line (DSL) path associated with the target DSLAM is identified when the source DSLAM and target DSLAM are eligible for upgrade. Pre-provisionable elements associated with the at least one new DSL path are identified and the identified pre-provisionable elements are provisioned prior to transition from at least one existing DSL path to the at least one new DSL path. A cutover selection is received that indicates that physical network changes associated with the target DSLAM have been made and non-pre-provisioned elements are provisioned following receipt of the cutover selection. | 2010-03-04 |
20100054317 | APPARATUS FOR EVALUATING SIGNAL TRANSMISSION SYSTEM, METHOD OF EVALUATING SIGNAL TRANSMISSION SYSTEM, AND STORAGE MEDIUM STORING PROGRAM FOR EVALUATING SIGNAL TRANSMISSION SYSTEM - A signal transmission system evaluation apparatus acquires statistics about a variation in a characteristic value and a limit value of the characteristic value corresponding to a given range of variation, with respect to each of the characteristic values which represent characteristics of the components. The apparatus calculates a probability distribution with respect to each of the characteristic values, based on the statistic acquired, calculates an eye-opening of the signal transmission system in case that the characteristic value is the limit value, makes an adjustment of the limit value. The apparatus calculates a yield rate of the signal transmission system based on the probability distribution and the limit value. | 2010-03-04 |
20100054348 | POWER LINE CHANNEL-ADAPTIVE COMMUNICATIONS SYSTEM AND METHOD - Disclosed herein is a power line channel-adaptive communications system and method. The power line channel-adaptive communications system includes a transmitting end, a channel-adaptive controller, and a receiving end. The transmitting end generates an adaptive chirp symbol signal of a preset type for transmission data according to a channel state of the power line, modulates the generated adaptive chirp symbol signal in any one of first and second transmission modes, and transmits the modulated adaptive chirp symbol signal via the power line channel. The channel-adaptive controller controls the type and transmission mode of the adaptive chirp symbol signal. The receiving end restores the transmission data by demodulating the adaptive chirp symbol signal, received via the power line channel, in any one of the first and second transmission modes according to the channel state of the power line. | 2010-03-04 |
20100054349 | GENERAL METHOD FOR LOW-FREQUENCY DATA TRANSMISSION ON A POWER LINE - A method for producing a set of inbound pulse patterns and detection vectors for lengths longer than 4 cycles in an AC waveform. These are used for generating inbound messages in a two-way automatic communication system (TWACS). The method uses Hadamard matrices adapted to generate a set of detection vectors by permuting rows of a matrix and removing certain columns of the matrix to meet system design requirements. The method can be extended to any length and modified to accommodate multiple pulses per half-cycle to support higher data rates. | 2010-03-04 |
20100054350 | MODULATION METHOD AND MODULATOR USING PULSE EDGE SHIFT - A variable delay circuit delays a carrier signal having a predetermined frequency, and outputs a modulated signal. A delay setting unit sets a delay period for the variable delay circuit according to a data signal to be modulated. The delay setting unit assigns each symbol in the data signal to any one of positive edges and negative edges in the carrier signal, and sets a delay period for the variable delay circuit at the timing at which a positive edge in the carrier signal passes through the variable delay circuit, according to the symbol value in the data signal assigned to the positive edge. Furthermore, the delay setting unit sets a delay period for the variable delay circuit at the timing at which a negative edge in the carrier signal passes through the variable delay circuit, according to the symbol value in the data signal assigned to the negative edge. | 2010-03-04 |
20100054351 | METHOD FOR DEMODULATING SIGNAL AND TERMINAL AND BASE STATION FOR EXECUTING THE METHOD - A method of modulating and/or demodulating a signal in a communication system and a terminal for demodulating a signal received from a base station are provided. A terminal includes a singular value extractor to extract at least one singular value of a channel matrix associated with a channel that is formed between a base station and the terminal, a modulation order determination unit to determine a modulation order based on the at least one singular value, and a received signal demodulator to demodulate a received signal according to the determined modulation order. | 2010-03-04 |
20100054352 | Correlation-based detection in a cognitive radio system - Samples are extracted from a received signal. For each of a plurality of candidate cyclic frequencies, cyclic covariance of the received signal is determined using a Fourier transform FT having a length that is less than the number of extracted samples. The frequency channel within which the signal was received is chosen for opportunistic/cognitive radio transmissions when none of the plurality of candidate cyclic frequencies exhibits a peak that exceeds a threshold, or results are transmitted for collaborative sensing. The extracted samples may be filtered and decimated prior to executing the FT, and the length of the FT depends on the number of samples that remain. Decimating is at a rate that depends on a bandwidth of the filtering. The bandwidth of filtering is determined by the lowest cyclic frequency where the signal to be detected exhibits cyclostationarity. Each of the candidate cyclic frequencies are near zero and determining the covariance employs a windowing function centered on zero cyclic frequency. | 2010-03-04 |
20100054353 | LAYER MAPPING METHOD AND DATA TRANSMISSION METHOD FOR MIMO SYSTEM - A method for indicating a combination between a codeword and a layer in a MIMO communication, system, a layer mapping method, and a data transmission method using the same are disclosed. A minimum number of codeword-layer mapping combinations from among all available combinations based on the numbers of all codewords and all layers are pre-defined in consideration of a ratio of a codeword to a layer, a reception performance of a receiver, and reduction of combinations, so that a data transmission method using the predefined combinations is implemented. If a specific one codeword is mapped to at least two layers, a diversity gain can be acquired. | 2010-03-04 |
20100054354 | WIRELESS COMMUNICATION APPARATUS - Processing data presented in the form of a vector representation involves representing direction of the vector with incremental accuracy by using a set of vector codebooks of decreasing dimensions per accuracy increment. | 2010-03-04 |
20100054355 | Wireless communication system - In a wireless communication system including a radio-signal receiver and a radio-signal transmitter, the radio-signal receiver includes a unit for making a generalized inverse matrix for carrying out maximum likelihood estimation, based on a matrix indicating a training series used for carrying out channel estimation, a unit for carrying out singular value decomposition to the generalized inverse matrix, a unit for truncating singular values in the generalized inverse matrix in accordance with a threshold by which a singular value is turned to zero in a greater order, a unit for estimating an impulse-response vector, based on the generalized inverse matrix, a unit for interpolating zero to the impulse-response vector, and a unit for acquiring channel estimation by carrying out Fourier transform, and the radio-signal transmitter includes a unit for quantifying spread of the singular values, and optimizing the training series in accordance with the quantified spread of the singular values, to thereby make a new training series. | 2010-03-04 |
20100054356 | INTERFERENCE AVOIDING MIMO - Method and apparatus for communicating a radio signal between a first station and a second station, including estimating at least one characteristic of a radio channel from the first station including a first plurality of weightable transceiving elements, to the second station including a second plurality of weightable transceiving elements; calculating a receive weighting of at least one weightable transceiving element at the second station, responsive to the estimate; calculating a transmit weighting of at least one weightable transceiving element at the first station; and then communicating the radio signal by transmitting from the transmit-weighted transceiving elements at the first station, over the radio channel, to the receive-weighted transceiving elements at the second station, while reducing the response to unwanted interfering signals. | 2010-03-04 |
20100054357 | RADIO COMMUNICATION SYSTEM - A transmission device ( | 2010-03-04 |
20100054368 | METHOD AND SYSTEM TO DETECT PACKETS OF DIFFERENT FORMATS IN A WIRELESS RECEIVER - A method and system for detecting packets of different formats in a receiver is disclosed. The method and system include initializing the receiver to be in a legacy mode; and receiving at least one data symbol by the receiver. The method and system include detecting if there is a high throughput (HT) signal field within a data packet and determining the format of the data packet based upon the detection of a HT signal field. | 2010-03-04 |
20100054369 | FILTER TUNING CIRCUIT FOR WIRELESS COMMUNICATION SYSTEM - A filter tuning circuit for a wireless communication system is provided. A filter tuning circuit includes a comparator and a counter which control a transconvertance value of a differential transconverter to tune a filter. | 2010-03-04 |
20100054370 | DEMODULATION METHOD AND DEMODULATOR OF PULSE-EDGE SHIFTED PULSE - A variable delay circuit delays a carrier signal having a predetermined frequency, and outputs a modulated signal. A delay setting unit sets a delay period for the variable delay circuit according to a data signal to be modulated. The delay setting unit assigns each symbol in the data signal to any one of positive edges and negative edges in the carrier signal, and sets a delay period for the variable delay circuit at the timing at which a positive edge in the carrier signal passes through the variable delay circuit, according to the symbol value in the data signal assigned to the positive edge. Furthermore, the delay setting unit sets a delay period for the variable delay circuit at the timing at which a negative edge in the carrier signal passes through the variable delay circuit, according to the symbol value in the data signal assigned to the negative edge. | 2010-03-04 |
20100054371 | Noise Variance Estimation In Wireless Communications For Diversity Combining and Log Likelihood Scaling - The present patent application comprises a method and means for demodulating symbols, comprising converting an OFDM symbol from a time domain to a frequency domain, selecting pilot tones, making a soft decision based on received data, and estimating a channel frequency response. In another example, the method and means further comprises selecting guard tones. In another example, the method and means further comprises generating channel estimates for in-band and band-edge pilot tones. | 2010-03-04 |
20100054372 | METHOD AND ARRANGEMENT FOR GENERATING SOFT BIT INFORMATION IN A RECEIVER OF A MULTIPLE ANTENNA SYSTEM - The invention which relates to a method and to an arrangement for generating soft bit information in a receiver of a multiple antenna system is based on the object of reducing the calculation complexity for generating the soft bit information. In terms of the method, the object is achieved by virtue of the fact that the iterative deepening search for the Mh antenna is carried out in two substeps, in which case, in the first substep, when the last element of s is not assigned to the mth antenna, s is rotated in such a manner that m is associated with the last element of s, that the channel matrix H is likewise rotated and QR decomposition of the channel matrix H is carried out, that, in the second substep, the iterative deepening search is carried out using a search radius in the form of a vector (Formula (I)); in which (Formula (II)) denotes the number of bit positions in the mth antenna, that the comparison (Formula (III))≧d | 2010-03-04 |
20100054373 | Method and Apparatus for Low-Complexity Interference Cancellation in Communication Signal Processing - The teachings herein disclose interference cancellation processing that uses hard decision logic for simplified estimation of interfering signals, in combination with soft scaling of the hard decisions for better interference cancellation performance, particularly in low signal quality conditions. In one aspect, the soft scaling may be understood as attenuating the amount of interference cancellation applied by a receiver, in dependence on the dynamically changing received signal quality at the receiver. More attenuation is applied at lower signal quality because the hard decisions are less reliable at lower signal qualities, while less (or no) attenuation is applied at higher signal qualities, reflecting the higher reliability of the hard decisions at higher signal qualities. Signal quality may be quantized into ranges, with a different value of soft scaling factor used for each range, or a soft scaling factor may be calculated for the continuum of measured signal quality. | 2010-03-04 |
20100054374 | Method and Arrangement Relating to Telecommunications - The present invention relates to a method and arrangement for providing a reliability information on information bits (bk) transmitted in a communications network, said bits constituting a transmitted vector (s) comprising elements selected by a transmitter from finite alphabet (S), wherein said transmitted vector is detected from an observed vector received symbols (y) providing a log-likelihood (L). Thus, the approximation is done by defining a number of bit terms having constant size and selecting a subset of bits and marginalizing over a selected part of said subset of bits. | 2010-03-04 |
20100054375 | SYSTEM AND METHOD FOR FORWARD AND BACKWARD RECURSIVE COMPUTATION - A system and method is provided for improved and efficient forward and backward recursive computations that may be used, for example, with turbo code decoding applications. The invention performs the forward computations using a full length of a sequence to be decoded and performs the reverse computations using a sliding window over the sequence. | 2010-03-04 |
20100054376 | DIGITAL BROADCAST TRANSMITTER/RECEIVER HAVING AN IMPROVED RECEIVING PERFORMANCE AND SIGNAL PROCESSING METHOD THEREOF - A digital broadcast transmitting/receiving system, and a signal processing method thereof, includes a randomizer for randomizing a transport stream into a specified position of which stuff bytes are inserted, a stuff-byte exchanger for replacing the stuff bytes included in data output from the randomizer with specified known data, an RS encoder for performing an RS-encoding of data output from the stuff-byte exchanger, an interleaver for interleaving data output from the RS encoder, a trellis encoder for performing a trellis encoding of data output from the interleaver, an RS parity generator for generating a parity by performing an RS encoding of data output from the RS encoder, and outputting the generated parity to the trellis encoder, and a modulator/RF converter for modulating data output from the trellis encoder and performing an RF up-converting of the modulated data. The digital broadcast receiving performance can be improved even in an inferior multi-path channel by detecting the known data from the received signal and using the known data for synchronization and equalization in a digital broadcast receiver. | 2010-03-04 |
20100054377 | SYSTEMS AND METHODS FOR SPURIOUS SIGNAL REDUCTION IN MULTI-MODE DIGITAL NAVIGATION RECEIVERS - Systems and methods for reducing spurious signals in digital receivers. A system includes a digital navigation receiver having a controllable reference oscillator configured to generate a reference frequency based on a control signal input and a control signal generator in signal communication with the controllable reference oscillator. The control signal generator is configured to generate a waveform that sweeps in frequency such that the reference frequency is based on the waveform. A triangular waveform that sweeps in frequency is used in an example embodiment. A method includes generating a waveform that sweeps in frequency and controlling the reference oscillator based on the waveform. | 2010-03-04 |
20100054388 | Sealing Means, Transfer Device Comprising Such a Sealing Means, Arrangement Comprising Such a Transfer Device and a Method for Producing Said Sealing Means - Sealing means comprising a seal carrier and a seal connected thereto, wherein the seal carrier is removably fixable between two areas insulated from each other, and a transfer device between two chambers, which are separated by a wall, wherein said transfer device comprises a transfer mechanism and at least one sealing means according to the invention which is positioned between the wall and the transfer mechanism. | 2010-03-04 |
20100054389 | MIXED OXIDE FUEL ASSEMBLY - A pressurized water nuclear reactor fuel assembly designed to burn mixed oxide fuel that employs a fully annular fuel pellet stack in the fuel rods, and radial enrichment zoning within the assembly such that the intra-assembly rod power distribution is relatively smooth regardless of the characteristics of the adjacent assemblies. | 2010-03-04 |
20100054390 | PROGRAMMABLE FREQUENCY DIVIDER AND FREQUENCY DIVIDING METHOD THEREOF - Provided are a programmable frequency divider, more particularly, a programmable frequency divider which is a core module of a frequency synthesizer using a Phase Locked Loop (PLL) for generating very high frequencies. | 2010-03-04 |
20100054391 | METHOD AND SYSTEM FOR ADVANCING A LINEAR FEEDBACK SHIFT REGISTER - A technique for allowing a linear feedback shift register (LFSR), and particularly a Galois LFSR, to be advanced forward by an amount m (i.e. as if the register had undertaken m input/output cycles), without actually having to undertake m input/output cycles is described. This is useful for example in the communications domain by allowing the shift register to be able to jump to a particular scrambling code. In particular, an embodiment provides an apparatus which is able to control the advance of a LFSR by feeding into the LFSR a data word obtained from the polynomial multiplication of two predetermined data words which are looked up from one or more tables in dependence on an advance amount, being the number of steps the LFSR is to advance. The state of the LFSR after the data word has been fed into the LFSR is then the same state the LFSR would be in if it had actually been advanced by the advance amount. | 2010-03-04 |
20100054392 | SHIFT REGISTER - A shift register includes a plurality of stages cascade-connected with each other. Each stage includes a pull-up circuit, a pull-up driving circuit, and a pull-down circuit. The pull-up circuit coupled to a first clock signal is used for providing an output signal. The pull-up driving circuit includes a control circuit and a first transistor. The control circuit has a gate coupled to a previous stage, and a drain coupled to a second clock signal. The first transistor includes a gate coupled to the source of the control circuit, a drain coupled to a driving end of the previous stage, and a source coupled to a first input end. The pull-down circuit pulls down voltage on the first input end. | 2010-03-04 |
20100054393 | External Smoothing for Tomographic Image Reconstruction - Smoothing a first object, thereby creating a smoothed object having a smoothed value associated with each object point in object space, includes receiving the first object, determining, in a series of iteration steps, single-kernel-smoothed objects, wherein each iteration step includes based on the first object, determining a start object and smoothing the start object using a kernel function associated with the iteration step, thereby creating the single-kernel-smoothed object having single-kernel-smoothed values associated with each object point, and constructing the smoothed object from the single-kernel-smoothed values. | 2010-03-04 |
20100054394 | METHOD AND SYSTEM FOR IMAGE RECONSTRUCTION - A method and system for image reconstruction of data acquired by a device such as computed tomography is provided. The method and system use a multi-stage statistical iterative reconstruction techniques to provide a three dimensional representation of the scanned object. In one embodiment, the first stage uses a projection-based reconstruction technique, such as Ordered Subset (OS) to converge on a solution for low frequency portion of the image. A subsequent stage uses a voxel-based reconstruction technique, such as Iterative Coordinate Descent (ICD), to converge on a solution for high frequency portions of the image. Systems and methods for reconstructing images from incomplete or partial projection data is also provided. | 2010-03-04 |
20100054395 | X-RAY COMPUTER TOMOGRAPHY APPARATUS - An X-ray computer tomography apparatus includes an X-ray tube, a two-dimensional array type X-ray detector, a rotating mechanism, a pair of collimators, a collimator moving mechanism which separately moves the pair of collimators in a direction almost parallel to a rotation axis, a reconstruction processing unit which reconstructs image data in a reconstruction range, and a collimator control unit. The collimator control unit controls the position of each collimator in accordance with the distance between an X-ray central plane corresponding to a cone angle 0° and an end face of the reconstruction range. The collimator moving mechanism moves each of the pair of collimators in the range from the outermost position corresponding to the maximum cone angle to the innermost position offset from a position corresponding to a cone angle of nearly 0° to the opposite side. | 2010-03-04 |
20100054396 | METHOD OF CALIBRATION FOR COMPUTED TOMOGRAPHY SCANNERS UTILIZED IN QUALITY CONTROL APPLICATIONS - A method of calibrating a computed tomography system includes the steps of mounting a scan geometry defining tool on a rotating object positioning unit of a computer tomography scanner. The scan geometry defining tool has structure of precisely measured dimensions. A beam is directed from an x-ray source of the computed tomography system through the structure of the scan geometry defining tool. A detected image after absorption of the x-ray from the scan geometry defining tool is analyzed, and utilized to determine a distance from the x-ray source spot location to the center of rotation of the object positioning unit. A beam is also directed from the x-ray source through a system performance test standard tool and analyzes a number of electronic and computer performance characteristics. The analyzed characteristics can be compared to expected characteristics to provide feedback on the operation of electronic and computer functions within the computed tomography system. | 2010-03-04 |
20100054397 | METHOD AND ARRANGEMENT FOR IMPROVING TOMOGRAPHIC DETERMINATIONS, PARTICULARLY SUITABLE FOR INSPECTION OF STEEL REINFORCEMENT BARS IN CONCRETE STRUCTURES - A method and arrangement for improving tomographic determinations by means of radiation, specially suitable for steel bars in concrete. The method comprising irradiating said body with penetrating radiation, recording said radiation transmitted through said body in recording means; providing a reference system with a plurality of independently identified and individualized reference elements made of a high density radiation-absorbent material, such reference elements being arranged in an orderly manner; identifying the above mentioned measurements; determining irradiation times; and determining the position and size of objects within a body based on the information recorded on the recording means used for measurement. | 2010-03-04 |
20100054408 | Irradiation Device and Collimator - An irradiation device for radiation treatment and a collimator ( | 2010-03-04 |
20100054409 | PATIENT SETUP ERROR EVALUATION AND ERROR MINIMIZING SETUP CORRECTION IN ASSOCIATION WITH RADIOTHERAPY TREATMENT - In some embodiments, a method includes receiving, in a processor, information indicative of (i) a treatment plan defining planned treatment beams, (ii) a patient volume relative to a reference, (iii) ideal intersections of the planned treatment beams with the patient volume at the time the patient is to be treated, (iv) any constraints that prevent achievement of the recommended repositioning using only the patient support, (v) an allowable change to a gantry position from a planned value and an allowable change to a collimator position from a planned value; defining, in the processor, a plurality of alternatives based at least in part on the information indicative of any constraints of the patient support and the information indicative of allowable movement of the gantry and collimator, each alternative defining a modified patient support position and modified beams, each modified beam being based at least in part on a respective one of the planned treatment beams, the change to the position of the gantry for the respective planned treatment beam and the change to the position of the collimator for the respective planned treatment beam; determining, in the processor, for each modified beam of each alternative, an intersection of the patient volume and the modified beam, with the patient volume positioned on the patient support and the patient support having the modified patient support position defined by the alternative; and defining, in the processor, for each alternative, a measure of difference between the ideal intersections and the intersections for the modified beams of the alternative. | 2010-03-04 |
20100054410 | Trajectory optimization method - A method for determining a radiation treatment plan includes defining a part of a treatment using control points, defining dose calculation points, calculating dose in the dose calculation points, and changing a number of the dose calculation points. A method for determining a radiation treatment plan includes modeling a first part of a treatment plan using a fluence map, and modeling a second part of the treatment plan using a first machine parameter. A method for determining a radiation treatment plan includes determining a plurality of dose calculation points, determining a level of complexity of fluence for one of the plurality of dose calculation points, and converting a fluence map to one or more machine parameters for the one of the plurality of dose calculation points based on the determined level of complexity. | 2010-03-04 |
20100054411 | Interactive Treatment Plan Optimization for Radiation Therapy - An interactive method for radiation treatment planning is disclosed. The method applies to staged treatment planning algorithms, as used, for example, with arc therapy. It allows the user to hold the optimization algorithm at a stage in order to make adjustments to the objective function before advancing to the next stage. If adjustments are made, the user can revert to an earlier stage and re-run the optimization process using the adjusted objective function. While a hold is imposed, the treatment planning software may continue optimization at the current stage. | 2010-03-04 |
20100054412 | MOTION ESTIMATION IN TREATMENT PLANNING - An apparatus includes a scanner ( | 2010-03-04 |
20100054413 | SYSTEM AND METHOD OF CALCULATING DOSE UNCERTAINTY - A dose calculation tool operable to generate a variance map that represents a dose uncertainty. The variance map illustrates on a point-by-point basis where high uncertainty in the dose may exist and where low uncertainty in the dose may exist. The dose uncertainty is a result of an error in one or more data parameters related to a delivery parameter or a computational parameter. | 2010-03-04 |
20100054414 | MEDICAL RADIOTHERAPY ASSEMBLY - The invention relates to a radiotherapy assembly comprising a particle emitter with an exit window for a fixed particle stream and a patient support device comprising a patient couch, which can be brought into an irradiation position that is suitable for irradiating a patient in front of the exit window. An X-ray diagnostic device determines or verifies the position of a tumor that is to be irradiated, said device comprising an X-ray source and a detector, which can be displaced in the area around the patient couch that has been placed in the irradiation position. The assembly permits the location of a tumor to be verified in the irradiation position, thus rendering a relocation of the patient unnecessary. | 2010-03-04 |
20100054415 | PHASE CONTRAST IMAGING - Phase contrast imaging is achieved using a sample mask | 2010-03-04 |
20100054416 | RADIOGRAPHIC IMAGING ASSISTANCE DEVICE, RADIOGRAPHIC IMAGING DEVICE AND STORAGE MEDIUM STORING A PROGRAM - A radiographic imaging assistance device is provided. An acquisition component acquires position information representing positions of defective pixels of an imaging device, the imaging device being plurally provided with pixels comprising detection elements which detect radiation that has passed through a subject of imaging, and the imaging device carrying out imaging by generating image information which represents a radiographic image in accordance with radiation amounts detected by the detection elements and storing the image information in a pre-specified storage region. A judgment component, based on detection region information, which represents a detection region with a size corresponding to the subject of imaging, and the acquired position information, judges whether or not an influence from the defective pixels in a detection region that is represented by the detection region information is within an acceptable level that accepts imaging a radiographic image. | 2010-03-04 |
20100054417 | PORTABLE RADIOGRAPHIC IMAGING APPARATUS AND RADIOGRAPHIC IMAGE MANAGEMENT APPARATUS - There is provided a portable radiographic imaging apparatus including: an image output unit which detects a radiation which penetrates an object to be imaged and is irradiated on a surface to be irradiated of a casing, and outputs data of a radiographic image which represents a distribution of an amount of irradiated radiation; a first storage unit which stores the data of the radiographic image output from the image output unit; a display unit which displays an image; and a display control unit which allows the display unit to display a previously captured radiographic image which is associated with a current imaging, before the object to be imaged is imaged. | 2010-03-04 |
20100054418 | X-RAY DETECTING ELEMENT - The present invention provides an X-ray detecting element that can obtain radiation images by X-rays of different energies by irradiation of X-rays a single time, without positional offset arising. A first scintillator is provided at an outer side of a sensor portion and a sensor portion of one surface side of a substrate. A second scintillator is provided at another surface side of the substrate. X-rays that are irradiated from the one surface side or the other surface side of the substrate are converted into light at the first and second scintillators. The sensor portion detects light that is illuminated from the first scintillator of the one surface side, and the sensor portion detects light that is illuminated from the second scintillator of the other surface side of the substrate. | 2010-03-04 |
20100054419 | RADIOGRAPHIC IMAGING APPARATUS AND METHOD - A cooling unit is provided in a storage section to locally cool a heat generating portion of an imaging device and to thereby reduce nonuniformity of the distribution of the temperature in the imaging device. Detectors detect a mount orientation of the imaging device, that is, whether the imaging device is mounted in landscape orientation or portrait orientation. Cooling portions of the cooling unit are selectively driven on the basis of the detection result. | 2010-03-04 |
20100054420 | ADJUSTING DEVICE FOR BARRIER BLADE OF SCATTERED X-RAY - An adjusting device for a barrier blade includes a barrier blade for limiting scattered X-ray of a tube and a base plate for mounting the barrier blade. The adjusting device also includes a barrier blade support and a drive unit, wherein said barrier blade support includes a sliding post; said barrier blade support is fixedly connected to the barrier blade and mounts the barrier blade in the opening of the base plate; and the drive unit controls and changes the path of the sliding post to cause the sliding post to drive the barrier blade support to make rectilinear movement on the base plate, thereby driving the barrier blade thereon to make rectilinear movement in the opening of the base plate. This adjusting device for a barrier blade of scattered X-ray has advantages of simple structure, small space, high reliability, and low cost. | 2010-03-04 |
20100054421 | STRUCTURE FOR A ROD RADIATION SOURCE AND ITS CALIBRATION PHANTOM - A rod radiation source and its calibration phantom structure mainly have an anti-leak filter layer on one side of a lower lamination layer, and have the anti-leak filter layer evenly deposited with plural drops of liquid radiation sources with each drop of radiation source neighboring but not overlapping, and use an upper lamination layer to cover the anti-leak filter layer to protect each radiation source, and have the above assembly rolled into a rod as a rod radiation source. In another cylindrical container that has a stack of plural sheets, the rod radiation sources get evenly distributed along the axle center and pass each sheet to form a calibration phantom structure for a rod radiation source. | 2010-03-04 |
20100054422 | X-RAY IMAGING APPARATUS - An X-ray imaging apparatus includes an X-ray tube, an X-ray generation control unit configured to control the X-ray tube with a controller and a power supply, and a holding unit configured to hold the X-ray tube. The holding unit includes two support legs to be spread at an arbitrary angle, and a connecting portion configured to turnably connect upper ends of the support legs. The holding unit holds the X-ray tube near the connecting portion. | 2010-03-04 |
20100054423 | X-RAY DIAGNOSTIC IMAGING APPARATUS AND X-RAY APPARATUS - An X-ray generation unit and an X-ray detection unit are held by an arm. Image data is generated based on X-ray projection data which is generated by the X-ray detection unit. A first support member supports the arm and rotates the arm in a first rotation direction. A second support member supports the first support member. The second support member rotates the first support member around a rotation center in a second rotation direction perpendicular to the first rotation direction. A movement unit can move the second support member in an up and down direction. | 2010-03-04 |
20100054424 | INTEGRATED PATIENT POSITIONING AND RADIATION QUALITY ASSURANCE SYSTEM AND METHOD - High intensity x-ray radiation therapy is used in the medical industry to treat tumors. Patients typically receive radiation treatment over a period of time, in which a quality assurance test of the x-ray beam is performed before each treatment. These quality assurance tests are performed by a detection device that receives the x-ray beam and measures the intensity, shape and uniformity of the x-ray beam. The integrated patient positioning and radiation quality assurance system includes recess assemblies into which an x-ray detection device is inserted to fix the location of the x-ray detection device on the board. As a result, the accuracy of the quality assurance test is improved and the set up time is reduced. | 2010-03-04 |
20100054425 | SYSTEM FOR INSTALLATION TESTING OF TELEPHONE LINE TERMINATIONS - A wiring verification system is disclosed for testing the correct pairing of a plurality of subscriber lines between an existing line termination system and a replacement line termination system to assist in the transfer of the subscriber line terminations from the existing line termination system to the replacement system. The wiring verification system comprising a controller and two testheads, one of which places test calls from the line under test to a designated test line that is terminated by the second testhead. The electrical qualities of the wye splices between lines associated with new line termination system and those of the existing line termination system are analyzed for correctness and possible hazardous conditions. The directory number of the line under test can be verified by decoding the calling line ID. Automated test strategies provide details related to which splices require attention and suggestions for remediation. | 2010-03-04 |
20100054426 | SYSTEMS AND METHODS FOR MONITORING TELEPHONE LINES - Systems and methods for monitoring a telephone line connected to a port of a voice gateway are described. In one embodiment, the method includes: obtaining a value representing an electrical characteristic of the port of the voice gateway; determining whether the value is within an acceptable range; determining whether a call originating from, or terminated at, a device connected to the telephone line completed successfully; and in response to determining that the call completed successfully, creating a new acceptable range based, at least in part, on the obtained value. | 2010-03-04 |
20100054427 | Telephone Network Messaging - In a messaging system, a messaging server transmits signals over the telephone network to be received by equipment at, e.g., the customer premises. Upon receiving a specific signal, the receiving equipment automatically signals the telephone network to connect the call, such as by going off-hook or by performing a hook flash sequence. In the connected state, the receiving equipment can receive data over the network, such as data to provide the recipient with notification information such as emergency notification messages. | 2010-03-04 |
20100054438 | NETWORK ELEMENT ROUTING SERVICE - Systems and methods for providing a call to a destination address are disclosed. Generally a first network element is queried regarding treatment of a call to a destination address. The call is then routed to the destination address when the first network element determines, based on an originating destination address associated with the call, that the call has been previously treated at a second network element. | 2010-03-04 |
20100054439 | METHODS AND SYSTEMS FOR MULTILAYER PROVISIONING OF NETWORKED CONTACT CENTERS - Embodiments of multilayer provisioning of networked contact centers comprise providing a support service, via a distributor, to a tenant, responsive to receiving a request from the tenant to modify the support provisioning the modified support service to the tenant. | 2010-03-04 |
20100054440 | COMMUNICATION SUPPORT SYSTEM, CORRESPONDENCE INFORMATION MANAGING APPARATUS, COMMUNICATION SUPPORT METHOD AND PROGRAM - To a correspondence information storage, correspondence information establishing a correspondence between an information processing apparatus in an available state and a communication terminal is registered. When a user issues a call by use of a communication terminal | 2010-03-04 |
20100054441 | Methods, Systems, and Products for Recipient Identification - Methods, systems, and products provide called party identification to a calling party. A communication is processed from a calling communications address to one of a plurality of communications addresses associated with a simultaneous ring. When an answer is detected at one of the plurality of communications addresses, an answering communications address is sent to the calling communications address. | 2010-03-04 |
20100054442 | TELEPHONE NETWORK CONTROL SYSTEM AND METHOD - A method of providing a user the option to accept an incoming call, play a prerecorded message to the incoming party, ignore the incoming call or forward the incoming call to a separate telephone number is disclosed for use when the user is connected, via the same telephone line, to the Internet. The disclosed invention reduces the number of times the incoming call is transferred which reduces the number of reserves used in processing the incoming call. This reduction frees up system resources and allows overall system resources to be used more efficiently. | 2010-03-04 |
20100054443 | Phone call screening - A target phone number previously associated with a first user is presently associated with a second user such that the target phone number is not presently associated with the first user. A caller uses a calling phone number to initiate a phone call to the target phone number. In response, it is determined whether the calling phone number is on a list of phone numbers associated with the first user. If the calling phone number is on the list of phone numbers associated with the first user, then the caller is notified that the target phone number is no longer associated with the first user. It is determined whether the caller wants to continue with the phone call, and if not, the phone call is terminated before it reaches the second user. | 2010-03-04 |
20100054444 | Associating A Topic With A Telecommunications Address - A topic is associated with a temporary communications address such as a temporary telephone number. This assignment may be effected by the user when the temporary address is obtained by the user. Illustratively, a user who simultaneously uses a plurality of temporary addresses associates a different topic with each of those addresses. When a caller calls the temporary address, the call is redirected to the user's real address and the user receives the topic that is associated with that temporary address, and preferably also the called temporary address itself, along with the redirected call, and this information is either displayed or announced to the user. The information provides context for the call to the user, and may optionally be captured in call logs. Illustratively, when the user initiates a call via the temporary address or the topic, the temporary address or the topic is provided to the called party as the caller ID information. The user's identity is thus kept secret. The user may select the calling topic or temporary address from a display of the call logs of past calls that involved the topics and temporary addresses associated with the user's real address. | 2010-03-04 |
20100054445 | METHOD, APPARATUS AND COMPUTER PROGRAM PRODUCT FOR PROVIDING ROUTING OF MESSAGE SIGNALING - An apparatus for providing routing of message signaling may include a processor. The processor may be configured to receive an indication of a signaling message including at least a partially dialed number, determine whether the dialed number is an incomplete number or a complete number associated with a user identity of a terminating user, forward, in response to a determination that the dialed number is the complete number, the signaling message to a call session control function associated with a location of the terminating user, and delay forwarding of the signaling message until the dialed number is the complete number in response to a determination that the dialed number is the incomplete number. A method and computer program product for providing routing of message signaling is also provided. | 2010-03-04 |
20100054446 | VANITY TELEPHONE NUMBER TRANSLATION - Providing for electronic communications devices having QWERTY type keyboards a software based system which automatically translates alphabetical characters into numeric characters. Directly entered alphabetical characters are automatically converted to corresponding numeric characters. As an alternative to manually entered characters, in communications devices having a voice recognition feature, spoken signals are similarly converted. Automatic conversion proceeds only when the device is in a telephone mode of operation. Where fewer than ten characters are entered, the system may automatically add an area code to the number being dialed. If more than seven but fewer than ten characters are entered, some characters are eliminated. | 2010-03-04 |
20100054447 | AUTOMATIC TERMINATION PATH CONFIGURATION - There is provided herein a system and method for automatic configuration of data routings for use with electronic data such as phone calls, faxes, etc. In the preferred embodiment, when more than one carrier might potentially terminate the transmission, the carriers are ordered based on some screening criterion (e.g., transmission price). Data transmissions are then assigned to the carriers based on the sorting order, with the second place and lower carriers (e.g., the higher priced carriers) not being selected unless the first carrier cannot complete the transaction. The switch instructions necessary to implement this scheme are generated automatically. | 2010-03-04 |
20100054468 | VALIDATING COMPRESSED ARCHIVE KEYS - An apparatus and a method for validating compressed encrypted archive keys is described. In one embodiment, a pseudo-stream is generated for an archive. The pseudo-stream is made of a small amount of random text. The pseudo-stream is attached to a stream of the archive. The pseudo-stream and stream are compressed using the compression algorithm that includes validation data. The compressed pseudo-stream is then enciphered with an archive key. | 2010-03-04 |
20100054469 | Method and apparatus for synthesizing copy protection for reducing/defeating the effectiveness or capability of a circumvention device - A new copy protection signal includes resistance to certain circumvention devices and includes improved playability. The new copy protection signal causes the certain circumvention devices to pass substantially the copy protection effects to a video recorder or to allow for content control effectiveness on a compliant device. The new copy protection signal also causes the circumvention device to add or enhance copy protection effectiveness, which is contrary to the circumvention device's original intent of removing or reducing copy protection effectiveness. The new copy protection signal is provided by inserting or adding one or more pseudo sync pulses or one or more pseudo sync/AGC pulse pairs immediately after, or one line after, a vertical sync signal in at least one television line. | 2010-03-04 |
20100054470 | SHARING A SECRET VIA LINEAR INTERPOLATION - A method and system calculates shares and sub-shares of a secret for distribution among cooperating entities. In one embodiment, the method creates shares of the secret, with each share containing a point on a K-dimensional secret hyperplane that embeds the secret, where K is the number of shares to reconstruct the secret. The method further constructs sub-shares for the shares. The sub-shares of a share define a set of secondary K-dimensional hyperplanes that intersect at the point contained in the share. The sub-shares are distributed to a plurality of cooperating entities for secret sharing. | 2010-03-04 |
20100054471 | HARDWARE BASED MULTI-DIMENSIONAL ENCRYPTION - A system including a first module and a second module. The first module includes a linear feedback shift register (LFSR) and a permutator circuit. The LFSR outputs a pseudo-random sequence of digital values based on a stored key value. The permutator circuit operates on successive groups of input bits using the pseudo-random sequence. For each of said successive groups, the permutator circuit: (a) selects a bit permutation based on a respective one of the digital values in the pseudo-random sequence, (b) permutes the bits of the group using the selected bit permutation to obtain a resultant group of bits, and (c) transmits the resultant group onto an output bus. The second module also includes an LFSR and a permutator circuit that operate to invert the permutations applied by the first module. In a two-dimensional embodiment, the first module and second module may include additional circuitry for scrambling bits between groups. | 2010-03-04 |
20100054472 | INTEGRITY PROTECTION AND/OR CIPHERING FOR UE REGISTRATION WITH A WIRELESS NETWORK - Techniques for performing registration with a wireless network using integrity protection and/or ciphering are described. A user equipment (UE) may perform a security procedure with the wireless network for a first session and may generate UE security context data at the UE. The UE security context data may include a cipher key used for ciphering, an integrity key used for integrity protection, a temporary UE identity, and/or other information. The UE may use the UE security context data for secure communication with the wireless network during the first session. The UE may store the UE security context data upon termination of the first session. The UE may thereafter use the stored UE security context data for registration with the wireless network for a second session following the first session. The UE may perform integrity protection and/or ciphering for message(s) for registration based on the stored UE security context data. | 2010-03-04 |
20100054473 | Display Apparatus and Key Management Method - According to one embodiment, a display apparatus includes a card slot configured to be insertable a memory card including a user data area in which one or more encrypted content keys encrypted with a user key and list information of content-specific information unique to each of content items corresponding to the respective encrypted content keys are stored, a close-proximity wireless transfer device configured to be able to transfer with an external device, an information acquisition module configured to acquire the content-specific information of content held by the external device with which the close-proximity wireless transfer device is executing close-proximity wireless transfer, a content-specific information detection module configured to detect the content-specific information corresponding with information indicating the acquired content, from the list information stored in the user data area, and a display processing module configured to display a list of content items corresponding to the detected content-specific information. | 2010-03-04 |
20100054474 | SHARING A SECRET USING HYPERPLANES OVER GF(2m) - A method and system distributes N shares of a secret among cooperating entities using hyperplanes over GF(2 | 2010-03-04 |
20100054475 | VALIDATING ENCRYPTED ARCHIVE KEYS - An apparatus and a method for validating encrypted archive keys is described. In one embodiment, a passphrase is enciphered. An archive key used to encipher an archive is enciphered with the enciphered passphrase. A first enciphered block is computed by enciphering a random block with the archive key. A second enciphered block is computed by enciphering the same random block with a Message Authentication Code (MAC) key. The MAC key is derived from the archive key and the passphrase. The validity of keys is determined by comparing the decrypted first block with the decrypted second block. | 2010-03-04 |
20100054476 | VALIDATING ENCRYPTED ARCHIVE KEYS WITH MAC VALUE - An apparatus and a method for validating encrypted archive keys is described. In one embodiment, a passphrase is received. An archive key is recovered with the passphrase. A Message Authentication Code (MAC) value is computed with the recovered archive key. The computed MAC value is compared with a MAC value stored in an archive to determine the validity of the passphrase. The stored MAC value is originally computed with an original passphrase using the archive key as a MAC key. | 2010-03-04 |
20100054477 | ACCELERATED CRYPTOGRAPHY WITH AN ENCRYPTION ATTRIBUTE - Methods and systems for encrypting and decrypting are presented. In one embodiment, the method comprises encrypting one or more segments of a data with a key. The data is associated with at least one encryption attribute and having a plurality of segments. The encryption attribute includes information to identify one or more segments of the data to encrypt. The method further comprises encrypting the encryption attribute and storing the data including the partly encrypted data and the encrypted encryption attribute. | 2010-03-04 |