03rd week of 2010 patent applcation highlights part 32 |
Patent application number | Title | Published |
20100014582 | INVERSE QUANTIZATION CIRCUIT, INVERSE QUANTIZATION METHOD AND IMAGE REPRODUCING APPARATUS - Provided are a versatile inverse quantization circuit which performs inverse quantization operable for various encoding systems by a single circuit, an inverse quantization method, and an image reproducing apparatus. A first multiplier generation unit ( | 2010-01-21 |
20100014583 | QUANTIZATION CONTROL METHOD AND APPARATUS, PROGRAM THEREFOR, AND STORAGE MEDIUM WHICH STORES THE PROGRAM - A quantization control method used in a video encoding which encodes a video image and performs control for making an encoding bit rate approach a predetermined target bit rate. The quantization control method includes measuring a differential amount of code between a target amount of code and an amount of generated code; determining whether or not a predetermined condition has occurred; determining, when it is determined that the condition has occurred, a variation for an amount of feedback which increases or decreases a quantization step size, and changing the amount of feedback based on the determined variation; and increasing or decreasing the quantization step size based on the measured differential amount of code and the changed amount of feedback. If there are a plurality of the predetermined conditions, a final variation for the amount of feedback may be determined by applying a specific operation to variations for the amount of feedback, which are determined for the individual conditions. | 2010-01-21 |
20100014584 | Methods circuits and systems for transmission and reconstruction of a video block - Disclosed is a method, circuit and system for transmission and reconstruction of a video block. A video stream may be composed of sequential video frames, and each video frame may be composed of one or more video blocks including a set of pixels. Prior to transmission of the data associated with a video block, the video block data may be transformed into a set of transform (e.g. frequency) coefficients using a spatial to frequency transform such as a two dimensional discrete cosine transform. Selection of the subset of transform coefficients to be transmitted may be based on a characteristic of the video block. | 2010-01-21 |
20100014585 | METHOD AND SYSTEM FOR ENCODING A VIDEO SIGNAL, ENCODED VIDEO SIGNAL, METHOD AND SYSTEM FOR DECODING A VIDEO SIGNAL - Some video compression standards use multiple temporal predictions. One or more of the oldest temporal predict ions are overwritten with another prediction. A prediction used in an enhancement encoder is in embodiment overwritten by a prediction produced in a base stream encoder. | 2010-01-21 |
20100014586 | FRAME DECIMATION THROUGH FRAME SIMPLICATION - System and method of providing improved signal compression using frame decimation through frame simplification and generating an encoded bitstream of video frames therefrom are disclosed. The encoding method comprises zeroing a difference frame generated by an encoder by using a feedback loop that injects a reconstructed frame, generated by the encoder of the difference frame, as a next frame of the video frames to be processed by the encoder. The encoding system comprises an input configured to provide a stream of video frames; a first process configured to generate a difference frame, and a second process configured to generate a reconstructed frame. A feedback loop of the system is configured to inject a generated reconstructed frame from the second process of a generated difference frame from the first process as a next frame of the video frames in the stream to be processed into the encoded bitstream by the encoding system. | 2010-01-21 |
20100014587 | Interpolation of Video Compression Frames - Coding techniques for a video image compression system involve improving an image quality of a sequence of two or more bi-directionally predicted intermediate frames, where each of the frames includes multiple pixels. One method involves determining a brightness value of at least one pixel of each bi-directionally predicted intermediate frame in the sequence as an equal average of brightness values of pixels in non-bidirectionally predicted frames bracketing the sequence of bi-directionally predicted intermediate frames. The brightness values of the pixels in at least one of the non-bidirectionally predicted frames is converted from a non-linear representation. | 2010-01-21 |
20100014588 | Speculative start point selection for motion estimation iterative search - A speculative start point selection for motion estimation iterative search improves the efficiency and quality of the integer-pel motion estimation iterative search by speculatively selecting the start position of the iteration. The start position is selected by comparing the Sum of Absolute Differences (SAD) value of a 0 motion vector, a predicted motion vector and a global motion vector (GMV) and selecting the position with the smallest SAD value. A refinement scheme with a threshold improves the efficiency and quality of the motion estimation iterative search by performing several comparisons to ensure the proper motion vector is selected. Applications of this improved motion estimation search include stabilizing an image as well as many other applications where motion vectors are used. | 2010-01-21 |
20100014589 | MOVING PICTURE CODING METHOD, AND MOVING PICTURE DECODING METHOD - A moving picture coding apparatus ( | 2010-01-21 |
20100014590 | IMAGE DATA PROCESSING - Methods of spatial compression of image data using trees formed with logic gates are described. Data encoding is achieved using a five-level wavelet transform, such as the Haar or 2/10 transforms. A dual transform engine is used, the first engine being used for the first and second parts of the first-level transform, and the subsequent-level transforms being performed by the second engine within a time not more than that taken by the first transform engine to effect the part-transform. Each bit plane of the resulting coefficients is then encoded by forming a tree structure from the bits and logical OR combinations thereof. Redundant data are removed. Further data can be removed with a predetermined compression profile. The resulting blocks of compressed data are of variable length and are packaged with sync and index words for transmission so that the location and identity of the transformed data blocks can be determined. | 2010-01-21 |
20100014591 | Block noise reducing apparatus - A calculation is made as to first and second differences in level represented by an input video signal at first and second inter-block boundaries adjoining opposite edges of every rectangular block respectively. A corrective value at every pixel in the rectangular block is calculated from a position of the pixel and the first and second differences according to a predetermined equation. The corrective value is added to a level represented by the input video signal to get an output video signal. The predetermined equation is designed so that levels represented by the output video signal at respective pixels in the rectangular block will be on a line given by a predetermined function of pixel position and connecting a first point in a range corresponding to the first difference and a second point in a range corresponding to the second difference. | 2010-01-21 |
20100014592 | DECODING CIRCUIT, DECODING METHOD, AND IMAGE REPRODUCING APPARATUS - To perform, with a single circuit, decoding in association with various image encoding systems and improve universality. A coefficient selection processing section | 2010-01-21 |
20100014593 | METHOD AND SYSTEM OF DETECTING SIGNAL PRESENCE FROM A VIDEO SIGNAL PRESENTED ON A DIGITAL DISPLAY DEVICE - A system for transmitting a modulated video signal to be presented on a digital display device, the video signal having a first frame and a second frame, the first frame and the second frame each comprised of a plurality of pixels, the system comprising a signal source for generating a video signal, an encoder, the encoder comprising a means for receiving the video signal from the signal source, a means for selectively altering luminance of the pixels of the first frame and the second frame of the video signal to represent a signal presence or signal absence and thereby creating a modulated video signal, and a means for providing the modulated video signal to a broadcast source, and the broadcast source for providing the modulated video signal from the encoder to a digital display device. | 2010-01-21 |
20100014594 | Splicing of Encrypted Video/Audio Content - System and method for performing a splice operation on an encrypted or unencrypted MPEG-2 transport stream. A splice trigger is received at a pre-conditioning encoder. In response, the encoder generates, e.g., an SCTE-35 cue message that is intended to be received by a splicer. Also in response to the splice trigger, the encoder encodes/conditions a network feed such that a decoder buffer delay reaches a predefined value at a video frame of the network feed that corresponds to a splice point indicated by the SCTE-35 cue message. The network feed may then be encrypted in a known fashion. At the splicer, another feed is switched into the stream at the splice point, wherein the another feed is encoded such that a decoder buffer delay at a video frame of the another feed corresponding to the splice point is the same as the predefined value. The predefined value is defined as DTS−STC, where DTS is a Decoding Time Stamp and STC is a System Time Clock. The pre-conditioning encoder generates around the splice point audio PES packets that contain a single aligned audio frame. | 2010-01-21 |
20100014595 | AUDIO AND/OR VIDEO DATA PROCESSING DEVICE, COMMUNICATION OR DATA NETWORK FOR TRANSCODING AUDIO AND/OR VIDEO DATA, AND METHOD FOR DECODING AUDIO AND/OR VIDEO DATA - The invention relates to an audio and/or video data processing device having at least one interface for making available audio and/or video data as coded data (dsi, dso*), and an audio-video decoder (AVD) that decodes the data (dsi, dso) coded with at least one code (k) to produce decoded data (d), and a transcoding interface (IFT) that outputs unsuitably coded data (dso*), which are coded with a code (k*) unsuitable for the audio-video decoder (AVD) to a format conversion module (TC) and for receiving transcoded coded data (dso) transcoded to a code (k) suitable for the audio-video decoder (AVD). Transcoding interface (IFT) is a network interface for communication over the data network (N) for transmitting the unsuitably coded data (dso*) to the format conversion module (TC) and the transcoded coded data (dso) from the format conversion module (TC) via the communication or data network (N). | 2010-01-21 |
20100014596 | SYSTEMS AND METHODS FOR IMPROVING THE QUALITY OF COMPRESSED VIDEO SIGNALS BY SMOOTHING BLOCK ARTIFACTS - The present invention is directed to systems and methods in which, for a given amount of data required to represent a compressed video signal, the quality of the uncompressed displayed real-time video, as perceived by a typical human viewer, is improved. Systems and methods herein achieve this improvement by attenuating the appearance of blocks without necessarily having a priori knowledge of their locations. The methods described herein attenuate the appearance of these blocks such that the quality of the resultant real-time video, as perceived by the HVS, is improved. | 2010-01-21 |
20100014597 | Efficient apparatus for fast video edge filtering - A method and apparatus are provided for video edge filtering in which a buffer stores pixels required for edge filtering from a plurality of macroblocks. An input tile buffering unit comprising a plurality of dual port tile buffers receives tile portions of each macroblock. These are transposed selectively and provided to a programmable edge filter which performs one dimensional edge filtering on the tile portions. The filtered edges are then selectively transposed in a opposite manner to the first transpose unit and provided to an output buffer as well as provided back to the dual port tile buffers for use in further filtering. | 2010-01-21 |
20100014598 | ACTIVE COMPONENTS ON AN INTERNAL CABLE TO IMPROVE SIGNAL INTEGRITY - Disclosed is an internal cable system that communicates signals in an electronic device. The system uses a printed circuit board with active circuits that is connected to a standard communication cable. The printed circuit board is exposed to air flow from the cooling system of the electronic device for proper operation of the active components of the active circuits on the printed circuit board. The standard cable may include a SCSI internal cable or other similar signal communication cables. Signal integrity is enhanced using the active circuits that are mounted on the printed circuit board. Power is supplied to the printed circuit board through inactive conductors in the cable or conductors that would otherwise be used for grounding. | 2010-01-21 |
20100014599 | APPARATUS AND METHOD FOR MODIFYING TRANSMISSIONS ON SPECIFIED WIRELESS CHANNELS TO REDUCE INTERFERENCE WITH HIGHER-PRIORITY TRANSMITTERS - A method includes obtaining data to be transmitted wirelessly and detecting if any transmitting devices having a higher priority are currently using at least one of multiple wireless channels. The method also includes transmitting the data wirelessly over the multiple wireless channels in a first specified manner when no transmitting devices having the higher priority are detected. The method further includes transmitting at least a portion of the data wirelessly over the multiple wireless channels in a second specified manner when at least one transmitting device having the higher priority is detected. The data could normally be transmitted using OFDM. When a higher-priority transmitting device is detected, at least a portion of the data could be transmitted using a reduced transmit power and a reduced constellation size and/or larger error correcting code. One or more wireless channels associated with one of two quadrature components could also be suppressed. | 2010-01-21 |
20100014600 | WINDOW POSITION OPTIMIZATION FOR PILOT-AIDED OFDM SYSTEM - A window position optimization for a pilot-aided OFDM system is disclosed. A method of reducing aliasing in an orthogonal frequency division multiplexing (OFDM) system, using window optimization and pilots comprises receiving an RF signal including a pilot, generating a channel frequency response estimate, interpolating the channel estimate to calculate a pilot carrier frequency response, and dynamically selecting a window to capture a channel impulse response to prevent aliasing. | 2010-01-21 |
20100014601 | RETRANSMISSION OF DATA IN A MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) SYSTEM - A method for retransmission of data in a multiple input multiple output (MIMO) system, the method comprising space-time block code (STBC) encoding multiple data streams including one or more retransmission data streams using a STBC matrix, the STBC matrix multiplying at least one of the retransmission data streams with respective variable weighting factors. | 2010-01-21 |
20100014602 | DETERMINING SYMBOL SYNCHRONIZATION INFORMATION FOR OFDM SIGNALS - The invention provides a method of detecting symbol synchronization information for an OFDM signal, the OFDM signal comprising at least one OFDM symbol and corresponding GI, the method comprising steps of: generating a correlated signal based on each OFDM symbol and its corresponding GI; processing the correlated signal to generate a first conditional signal comprising at least two local peaks; converting the first conditional signal into a second conditional signal comprising a global peak; and detecting the global peak to obtain the symbol synchronization information. The converting step further comprises delaying the first conditional signal by a predefined delay, and generating the second conditional signal by subtracting the delayed first conditional signal from the first conditional signal. With the method provided in the invention, detection of symbol synchronization information for an OFDM signal based on GI may be provided with improved precision, without being limited by the channel spread for the propagation channel. | 2010-01-21 |
20100014603 | GUARD INDEPENDENT SIGNAL MAPPING - Systems and methodologies are described that facilitate guard bandwidth independent mapping and de-mapping of bandwidth in a wireless communication system. Broadcast signals can be created as if all bandwidth were available, and guard bandwidth can be initialized over the utilized bandwidth such to puncture the data existing in the guard bandwidth. Upon decoding the broadcast signal, size of the guard bandwidth can be predetermined or estimated allowing a center portion of the signal to be decoded without decoding the guard bandwidth. In this regard, the decoder of the signal need not find exact positions of the guard bandwidth as transforming and decoding the center portion can provide a substantial portion of the signal to interpret the signal. | 2010-01-21 |
20100014604 | TRANSMISSION APPARATUS, RECEPTION APPARATUS, COMMUNICATION APPARATUS, AND COMMUNICATION SYSTEM - A transmission apparatus divides transmission data according to spatial streams and transmits divided transmission data in parallel in an MIMO communication system. A control unit selects a modulation scheme for each of the spatial streams and determines a data allocation method for each of the spatial streams based on a selected modulation scheme. An allocating unit allocates the transmission data to each of the spatial streams based on the data allocation method determined by the control unit. A modulating unit modulates allocation data for each of the spatial streams by using the selected modulation scheme for each of the spatial streams. | 2010-01-21 |
20100014605 | SYSTEM FOR MULTIPLE USE SUBCHANNELS - Systems for multiple use subchannels are provided. In one embodiment, a bidirectional communication system comprises: a first remote unit for communicating with a host using OFDM, the host communicatively coupled to a plurality of remote units in a multipoint-to-point configuration. The first remote unit is configured to transmit up to a plurality of tones, the up to a plurality of tones modulated with upstream information using OFDM, the first remote unit including a modulator for modulating the up to a plurality of tones using OFDM. The modulator is configured to adjust a carrier frequency and timing of the plurality of tones such that when any tones are transmitted from the first remote unit and at least one other remote unit, the orthogonality of the tones when received at the host unit is improved. Both control data and payload data are transmitted on a first tone of the plurality of tones. | 2010-01-21 |
20100014606 | SYMBOL DETECTOR AND SPHERE DECODING METHOD - A symbol detector with a sphere decoding method implemented therein. A baseband signal is received to determine a maximum likelihood solution using the sphere decoding algorithm. A QR decomposer performs a QR decomposition process on a channel response matrix to generate a Q matrix and an R matrix. A matrix transformer generates an inner product matrix of the Q matrix and the received signal. A scheduler reorganizes a search tree, and takes a search mission apart into a plurality of independent branch missions, wherein the search tree defines a full search depth N | 2010-01-21 |
20100014607 | AD CONVERTER, DATA RECEIVER AND DATA RECEPTION METHOD - An AD converter includes a first amplitude circuit, a second amplitude circuit, and a determination circuit. A control signal line controls a first amplitude gain of the first amplitude circuit and a second amplitude gain of the second amplitude circuit. | 2010-01-21 |
20100014608 | DATA TRANSMITTING AND RECEIVING METHOD USING PHASE SHIFT BASED PRECODING AND TRANSCEIVER SUPPORTING THE SAME - A method for performing a precoding based on a generalized phase shift or a precoding based on an extended phase shift in a Multi-Input Multi-Output (MIMO) system employing several sub-carriers, and a transceiver for supporting the same are disclosed. A phase-shift-based precoding matrix is generalized by multiplying a diagonal matrix for a phase shift by a unitary matrix for maintaining orthogonality between sub-carriers. In this case, a diagonal matrix part may be extended by multiplying a precoding matrix for removing interference between sub-carriers by a diagonal matrix for a phase shift. By generalization and extension of the phase-shift-based precoding, a transceiver is more simplified, and communication efficiency increases. | 2010-01-21 |
20100014609 | DISTORTION CORRECTION CONTROL APPARATUS AND DISTORTION CORRECTION CONTROL METHOD - A distortion correction control apparatus is for compensating for a burst distortion in a transmission amplifier caused by a burst of an input signal of a transmission target. The apparatus includes a holding unit that stores a distortion correction coefficient having reverse characteristics to the burst distortion; a unit that multiplies the distortion correction coefficient read out from the holding unit by the input signal or adds the distortion correction coefficient read out from the holding unit to the input signal, upon reception of burst information notifying of switching between presence and absence of the input signal; and an update unit that updates, based on the input signal, the distortion correction coefficient of the last time, and a signal fed back as an output signal of the transmission amplifier, the distortion correction coefficient by an adaptive algorithm, and that inputs the updated distortion correction coefficient to the holding unit. | 2010-01-21 |
20100014610 | SPACEFLIGHT HIGH DATA RATE RADIATION HARD KA-BAND MODULATOR - A Ka-band transmitter. The transmitter is in a self-contained module that contains a radio frequency (RF) channel. A phase lock oscillator drives an RF signal path in the RF channel at a fundamental frequency. In-phase data (I-data) and Quadrature data (Q-data) difference signals are converted to single ended signals and filtered in a pair of low pass filters and passed as inputs to a Quadriphase Shift Keying (QPSK) vector modulator in the RF signal path, e.g., an in-line even-harmonic modulator. The output of the QPSK vector modulator, is a Ka-band signal that is passed to a driver which may drive a load, e.g., an antenna. | 2010-01-21 |
20100014611 | METHOD FOR DECIDING POSITION OF MAPPING SYMBOLS, AND DEVICE AND METHOD FOR MODULATING BINARY SIGNAL - Disclosed is a binary signal modulator for minimizing deterioration of receiving performance caused by phase error. The binary signal modulator receives binary signals, and converts the binary signals into complex symbols according to a predetermined mapping relation. Here, the mapping relation is generated when a plurality of mapping symbols are arranged on a plurality of trajectories so that the distance between the mapping symbols is greater than or equal to a predetermined distance and the phase between the mapping symbols is greater than or equal to a predetermined angle from among the trajectories starting from a plurality of points on the complex plane, and a distance between the trajectories is greater than or equal to the minimum distance from among the distances between the points. | 2010-01-21 |
20100014612 | QAM DEMODULATION - A method of demodulating a signal on which is modulated, using a quadrature amplitude modulation scheme, a plurality of information symbols, the method including: determining at least one QAM detection threshold corresponding to one or more of said information symbols; and demodulating each information symbol on the basis of at least one respective QAM detection threshold. | 2010-01-21 |
20100014613 | DEMODULATION OF A DIGITALLY FREQUENCY-MODULATED ANALOG RECEIVED SIGNAL BY EVALUATION OF THE TIME INTERVALS BETWEEN THE ZERO CROSSINGS - A detector for zero crossings and a counter which is connected to it are used to determine the time intervals between the zero crossings of the received signal or of an intermediate-frequency signal which is produced from the received signal, and for detection of the digital signal data. In this case, a sequence of determined zero crossing intervals can be stored in digital form in a shift register chain, and can be compared in a classification device with previously stored interval sequences. Furthermore, a frequency offset can be determined by averaging the zero crossing intervals and can be compensated for by suitable selection or modification of the previously stored interval sequences, in which case the latter can also be used during the synchronization phase. The synchronization process may, furthermore, be assisted by payload data identification. | 2010-01-21 |
20100014614 | Digital Radio Systems - Apparatus comprising a pre-filter rake architecture with various features designed to, in at least some circumstances, to lessen the data processing burden associated with the architecture. In one embodiment, the pre-filter aspect can be disabled. | 2010-01-21 |
20100014615 | Systems and methods for demodulating multiply-modulated communications signals - Embodiments of the present invention provide for an overall hardware and software approach to Mode-S demodulation, especially where the Mode-S signals (such as squitters) have been modulated with multiple modulation protocols. Various implementations utilize coherent phase detection, since coherently detecting phase transitions in a multiple modulated signal results in better sensitivity and improved interference rejection over non-coherent modulation techniques. Further, addressing the demodulation of multiply-modulated signals may also be approached in embodiments of the present invention as a unified demodulation system, rather than disjoint demodulation of the separately modulated protocols. | 2010-01-21 |
20100014616 | Detection of Wideband Interference - A method of detecting interference in a received sample vector using hidden Markov modelling by first estimating noise variance, where estimating noise variance comprises the steps of receiving a sample vector of noise and interference, sorting the sample vector in the frequency domain by order of increasing magnitude to produce an ordered vector, finding a sub-vector of the ordered vector that minimises the distance from a noise measure, and estimating the noise variance. | 2010-01-21 |
20100014617 | METHOD AND APPARATUS FOR SINGULAR VALUE DECOMPOSITION OF A CHANNEL MATRIX - A method and apparatus for decomposing a channel matrix in a wireless communication system are disclosed. A channel matrix H is generated for channels between transmit antennas and receive antennas. A Hermitian matrix A=H | 2010-01-21 |
20100014618 | RECEIVING DEVICE - When performing switching control of reception modes trading off reception sensitivity against power consumption in a reception environment, the receiving apparatus and control method of the present invention perform state transition without a reception error occurring due to switching control with the aid of a reception mode in which an intermediate reception performance is provided. The present invention is particularly useful to balance the reception performance with the battery duration in a battery-powered, portable receiving terminal such as a television receiver for a mobile terminal. | 2010-01-21 |
20100014619 | SPACE TIME BLOCK CODED TRANSMIT ANTENNA DIVERSITY FOR WCDMA - A mobile communication system is designed with an input circuit coupled to receive a first plurality of signals (r | 2010-01-21 |
20100014620 | METHOD AND APPARATUS FOR HIGH SPEED LVDS COMMUNICATION - A method and system communicates payload data over a plurality of low voltage differential signaling (LVDS) channels ( | 2010-01-21 |
20100014621 | Synchronization Determining Circuit, Receiver Including the Synchronization Determining Circuit, and Method of the Receiver - A receiver includes; a recovery circuit for receiving an input signal, and generating a data signal and a recovery clock; a processing circuit for processing the data signal to generate a processed signal; and a synchronization determining circuit for determining a synchronization state of the recovery clock according to the processed signal and a first reference value. The data signal includes a synchronous pattern, and the first reference value corresponds to at least a portion of a value in the synchronous pattern processed by the processing circuit. A method of the receiver is also disclosed. | 2010-01-21 |
20100014622 | Nut assembly for handling poles and method thereof - An apparatus and method for manufacturing a handling pole including a pole section, a pole adapter connected to one end of the pole section, a spade member connected to the other end of the pole section, and a nut assembly for connecting adjoining poles. The pole adapter may include an upper sleeve and the spade member may include a lower sleeve. | 2010-01-21 |
20100014623 | TRANSPORT CONTAINER FOR NUCLEAR FUEL ASSEMBLIES AND USE OF SAID CONTAINER - A container including a support having at least one first longitudinal support surface defining a longitudinal housing for receiving a nuclear fuel assembly, and a door having a second longitudinal support surface. The door is movable between a position of holding the nuclear fuel assembly between the two longitudinal surfaces and a released position in which the assembly is free with respect to the support. The container includes means for adjusting the transversal separation between the first and second surfaces in the holding position of the door. | 2010-01-21 |
20100014624 | Nuclear reactor components including material layers to reduce enhanced corrosion on zirconium alloys used in fuel assemblies and methods thereof - Example embodiments are directed to providing a thin, adherent coating on the surfaces of nuclear reactor components, which are known to cause increased corrosion on adjacent zirconium alloy structures, and methods of reducing the increased corrosion. Example embodiments include coatings being structurally bonded to components such that the difference in the corrosion potential between a coated component and a zirconium alloy component is less than that between a component without the coating and the zirconium alloy component. | 2010-01-21 |
20100014625 | SPHERICAL FUEL ELEMENT AND PRODUCTION THEREOF FOR GAS-COOLED HIGH TEMPERATURE PEBBLE BED NUCLEAR REACTORS (HTR) - The invention relates to a novel design and production of fuel element pebbles which satisfy the requirements of high temperature pebble bed nuclear reactors of the next generation. The invention uses a shell of the fuel element pebbles that is devoid of fuel and consists of silicon carbide (SiC) and/or zircon carbide (ZrC), in addition to natural graphite and graphitized petroleum coke, said shell having a maximum average nominal thickness of 5 mm and preferably only 3 mm. | 2010-01-21 |
20100014626 | Method And Device For Determining Elapsed Sensor Life - Methods and systems for determining elapsed sensor life in medical systems, and more specifically continuous analyte monitoring systems. | 2010-01-21 |
20100014627 | METHOD AND APPARATUS FOR CT IMAGE COMPRESSION - A method for compressing a CT-reconstructed image includes obtaining a reconstructed image to be compressed, wherein the reconstructed image includes an area within field of view and an area outside field of view. The method also includes determining, according to the preset CT value classification templates, which type of CT value classification template the CT value of each of the pixels in the area within field of view in the image belongs to, and compressing the pixel data that belong to the respective CT value classification templates according to the CT value classification templates and compression methods determined for the respective classification templates. | 2010-01-21 |
20100014628 | X-RAY CT APPARATUS - An X-ray CT apparatus comprising: a scanner unit for rotating one or more X-ray sources for applying X-ray beams having different energy spectra to an object, and detectors disposed opposed to the X-ray sources for detecting transmitted X-ray data on the object, around the object while applying X-rays, reconstructing means for reconstructing a tomogram of the object by acquiring transmitted X-ray data on the object including the two or more different energy spectra by using the scanner, and display means for displaying the reconstructed tomogram; the X-ray CT apparatus further comprising input means for inputting information on an identification tissue of the object to be identified and a separate tissue to be separated from the identification tissue from the tomogram and scanning condition determining means for determining the scanning condition for identifying the identification tissue from the tomogram. | 2010-01-21 |
20100014629 | Method and apparatus for setting a dynamically adjustable position of an imaging system - The invention relates to a method and an apparatus for setting a dynamically adjustable position of an imaging system for providing an optimum view onto a moving object during a medical intervention. A time-resolved at least three-dimensional data record of the moving object is generated. A position of the imaging system for each period of time is determined from the time-resolved data record from which the optimum view onto a structure of interest of the moving object is produced and automatically setting a calculated position of the imaging system in real-time so that the optimum view onto the structure of interest can be shown at any time. Optionally prior to determining the position of the imaging system, a structure of interest of the moving object can be segmented with this structure being segmented for each period of time from the time-resolved data record. | 2010-01-21 |
20100014630 | X-RAY CT APPARATUS - An X-ray CT apparatus acquires a scanogram of an object to be examined, generates an ellipse model having an X-ray attenuation coefficient equivalent to that of water and approximated to a tomographic image of the obtained imaged portion from the feature quantity of the projection value profile, determines whether or not the generated elliptic model is adequate as a model of the imaged portion from another feature quantity with respect to the projection value profile, generates a corrected elliptic model according to yet another feature quantity with respect to the projection value profile if the elliptic model is determined to be inadequate, and controls the modulation of the tube current in an X-ray source so that a predetermined target SD value is maintained in any scanning position when a tomographic image is reconstructed according to X-rays transmitted through the object by using the elliptic model or the corrected elliptic model. | 2010-01-21 |
20100014631 | SCINTILLATOR BASED X-RAY SENSITIVE INTEGRATED CIRCUIT ELEMENT WITH DEPLETED ELECTRON DRIFT REGION - It is described an integrated circuit design and a method to fabricate the same for a high-efficiency, low-noise, position sensitive X-ray detection in particular for medical applications. The device ( | 2010-01-21 |
20100014632 | SELF-SHIELDED CT SCANNER - A CT scanner includes a pair of shields to protect an operator from x-rays from the CT scanner. The CT scanner has a gantry that provides structural support and housing for the components including an x-ray source and a detector arranged on the gantry to face one another. Lead shields are located on opposing sides of the x-ray source and extend between the x-ray source and the detector. The CT scanner further includes a computer located on an opposing side of the gantry from the x-ray source and the detector. The lead shields rotate with the gantry and prevent the x-ray from reaching the operator while the CT scanner is in operation. | 2010-01-21 |
20100014633 | Scattered radiation collimator, radiation detector and radiation detection device - A scattered radiation collimator is disclosed for radiological radiation. In at least one embodiment, the scattered radiation collimator includes a multiplicity of absorber elements connected one behind the other in a collimation direction and at least two plate-like holding elements which are arranged substantially parallel with respect to one another and have absorber element holders for holding the absorber elements. In order to avoid erroneous positioning when transverse forces are acting, it is proposed in at least one embodiment, to connect the holding elements to each other by cross beams running along the end face of the absorber elements. | 2010-01-21 |
20100014634 | Support structure for mammography - The invention relates to a support structure | 2010-01-21 |
20100014635 | METHOD AND MEDICAL SYSTEM FOR ASSISTING A MEDICAL MEASURE IMPLEMENTED BY THE MEDICAL SYSTEM - In a method and a medical installation for assisting in a medical measure implemented by a medical device, a lighting element generates light that uniformly illuminates the medical device or its environment, the illumination being designed to reduce stress on the part of a patient undergoing the medical measure. | 2010-01-21 |
20100014636 | Calibration Devices and Methods of Use Thereof - The present invention relates to calibration devices and to methods of using these devices. | 2010-01-21 |
20100014637 | Leading-Edge Cancer Treatment - Kits and methods for the treatment of certain types of cancers, specifically various primary brain cancers. In some embodiments, treatment is directed toward the known areas of cancer cell infiltration and along pathways of likely migration ahead of established areas of cancer cell infiltration. In some embodiments, cancer cells are targeted where they have likely spread, but yet remain undetected. Some embodiments relate to a means of automatically directing radiological analysis along likely pathways of cancer cell migration to precisely determine the extent of detectable cancer spread. In some embodiments, treatments are directed to a predetermined distance along such pathways. | 2010-01-21 |
20100014638 | IRRADIATION SYSTEM INCLUDING AN ELECTRON-BEAM SCANNER - A property of a treatment beam is controlled during a scanning period. A portion of a region is exposed to an imaging x-ray beam during a scanning period, the imaging x-ray beam being generated by an electron-beam scanner. X-ray radiation from the region is detected, the x-ray radiation representing an attenuation of the imaging x-ray beam caused by the portion of the region. A first image of the portion of the region is generated based on the detected x-ray radiation. A characteristic of the portion of the region is determined from the generated first image. An input derived from the characteristic is generated, the input configured to cause a source of a treatment beam to modify a property of the treatment beam. The source of the treatment beam modifies a property of the treatment beam during the scanning period by providing the input to the source of the treatment beam. | 2010-01-21 |
20100014639 | NEGATIVE ION SOURCE METHOD AND APPARATUS USED IN CONJUNCTION WITH A CHARGED PARTICLE CANCER THERAPY SYSTEM - The invention comprises a negative ion source method and apparatus used as part of an ion beam injection system, which is used in conjunction with multi-axis charged particle or proton beam radiation therapy of cancerous tumors. The negative ion source preferably includes an inlet port for injection of hydrogen gas into a high temperature plasma chamber. In one embodiment, the plasma chamber includes a magnetic material, which provides a magnetic field barrier between the high temperature plasma chamber and a low temperature plasma region on the opposite side of the magnetic field barrier. An extraction pulse is applied to a negative ion extraction electrode to pull the negative ion beam into a negative ion beam path, which proceeds through a first partial vacuum system, through an ion beam focusing system, into the tandem accelerator, and into a synchrotron. | 2010-01-21 |
20100014640 | NEGATIVE ION BEAM SOURCE VACUUM METHOD AND APPARATUS USED IN CONJUNCTION WITH A CHARGED PARTICLE CANCER THERAPY SYSTEM - The invention comprises a negative ion beam source vacuum method and apparatus used as part of an ion beam injection system, which is used in conjunction with multi-axis charged particle or proton beam radiation therapy of cancerous tumors. The negative ion beam source contains a vacuum chamber isolated by a vacuum barrier from the vacuum tube of the synchrotron. The negative ion beam source vacuum system preferably includes: a first pump turbo molecular pump, a large holding volume, and a semi-continuously operating pump. By only pumping ion beam source vacuum chamber and by only semi-continuously operating the ion beam source vacuum based on sensor readings about the holding volume, the lifetime of the semi-continuously operating pump is extended. | 2010-01-21 |
20100014641 | High-Resolution X-Ray Optic and Method for Constructing an X-Ray Optic - Described are optical apparatuses and methods for forming optical apparatuses. The optical apparatus includes a plurality of individually fabricated segments and a holder. Each of the plurality of individually fabricated segments include an inner annular surface and an outer contact surface opposite to the inner annular surface. Each of the inner annular reflecting surfaces define a longitudinal segment axis. The holder contacts each of the outer contact surfaces of the plurality of individually fabricated segments. Each of the longitudinal segment axes of the plurality of individually fabricated segments are linearly aligned. | 2010-01-21 |
20100014642 | COLLIMATOR - The present invention is directed to a collimator that comprises grooves or channels in the submicrometer to micrometer range. The present invention is also related to uses of a collimator and collimator holder as described herein as well as apparatuses comprising the same. | 2010-01-21 |
20100014643 | Manipulating system, in particular a manipulating system for manipulating an x-ray apparatus - A manipulating system, for manipulating two telescopic columns into desired positions in particular for use in an X-ray apparatus is disclosed, wherein the system comprises: one or more rails arranged in parallel in a first direction X and fastened to a ceiling; a carriage comprising an upper and a lower section, where said upper section comprises means for travelling along the rails in the X direction and the lower section is rotatable about an axis perpendicular to a horizontal X-Y plane by means of a rotation device arranged between the upper and lower section; —two sliding rails arranged in parallel with a mutual distance between the rails, provided in a lower face of the lower section, where the sliding rails overlap each other in the direction of the longitudinal extent of the sliding rails; —two telescopic columns extendable in a Z direction perpendicular to the X-Y plane, where each column is slidably fastened to separate. sliding rails in the lower section, and where the columns may slide past each other on the sliding rails; —connection means arranged in the free ends of the telescopic columns, where said connection means may be used in order to mount X-ray equipment, detectors, extension arms, vision systems and the like. | 2010-01-21 |
20100014644 | METHOD AND APPARATUS FOR PROVIDING AUTOMATED PROCESSING OF A SWITCHED VOICE SERVICE ALARM - A method and apparatus for providing automated processing of a switched voice alarm on a switched and/or Internet Protocol (IP) network are disclosed. For example, the method receives an alarm associated with a switched voice service, and retrieves a Local Routing Number (LRN) or Primary Inter-exchange Carrier (PIC) information from a switch serving a call associated with a caller's telephone number. The method determines if the alarm is due to one or more service degradations, and notifies a work center responsible for one or more of the service degradations if the alarm is due to the one or more service degradations. | 2010-01-21 |
20100014645 | METHOD AND DEVICE FOR DETERMINING, AND METHOD AND SYSTEM FOR CONFIGURING DSL REFERENCE VIRTUAL NOISE - A method for determining reference virtual noise of Digital Subscriber Line (DSL), includes: obtaining a receiver-end-actual noise of DSL subcarriers; and determining a reference virtual noise according to the obtained receiver-end-actual noise of the DSL subcarriers. Furthermore, the invention also discloses a device for determining a reference virtual noise of DSL, and a method and a system for configuring the reference virtual noise of DSL. The invention can improve the accuracy of the reference virtual noise, thereby making the configuration of the reference virtual noise more accurate. | 2010-01-21 |
20100014646 | TTY Translation for VoIP - A device for transmitting TTY communications includes an input for receiving analog tones from a TTY device, a first output for connecting to a public telephone switch network (PSTN) and a second output for connecting to digital communications network. The device is configured to operate in a first mode and a second mode. In the first mode the device receives the analog tones at the input and transmits the analog tones over the PSTN through the first output. In the second mode, the device receives the analog tones at the input, converts the analog tones into transmission control protocol (TCP) packets and transmits the TCP packets over a digital communications network through the second output. | 2010-01-21 |
20100014647 | METHOD AND APPARATUS FOR PROVIDING CUSTOMIZED RINGBACKS - An approach is provided for providing custom ringback services. The approach includes prompting a user for content as part of a managed ringback service. The content is received from the user, and is set as a ringback. An identifier corresponding to the ringback is received from the user, wherein the identifier is associated with a caller. | 2010-01-21 |
20100014648 | Method of Connecting Audio Advertising Information to Visual Display Advertisements - A method and system for connecting an audio message containing advertising information to a visual display advertisement is provided. | 2010-01-21 |
20100014649 | METHOD FOR PUBLISHING MESSAGES FROM IDENTIFIED, AUTHORIZED SENDERS TO SUBSCRIBERS - Publishing messages over a network includes receiving a message from a sender in a first format, identifying the sender of the message as an authorized sender based on information associated with the message in comparison to data in a sender account using software executing in a central processor, wherein the identifying step is dependent on the first format of the message, receiving a request for at least the portion of the message from a requester, and publishing at least the portion of the message to the requestor over the network only if the software has identified the sender as an authorized sender. The requester can subscribe to receive new messages from one or more senders including the identified sender, and a copy of any new messages from the identified sender can be sent to one or more notification devices associated with the subscribed requestor. | 2010-01-21 |
20100014650 | Digital fax using analog lines - A digital fax system carries out handshaking over the voice lines as conventional and sends the scanned document by electronic communication, e.g. email, to a recipient. | 2010-01-21 |
20100014651 | METHOD AND APPARATUS FOR PROCESSING OF A TOLL FREE CALL SERVICE ALARM - A method and apparatus for automatic processing of toll free call service alarms are disclosed. For example, the method receives a trouble ticket by a service provider for a toll free call service alarm, and retrieves a calling to number and a calling from number from the trouble ticket. The method determines if the service provider is a responsible organization for the toll free call service for the calling to number, and determines if a customer network for the toll free call service is active if the service provider is the responsible organization for the toll free call service. The method notifies a work center if the customer network is not active. | 2010-01-21 |
20100014652 | Method and Apparatus for Controlling Restriction on Call Connections - Restriction on call connections is controlled by grouping a plurality of terminals. One or more groups each including one or more terminals are provided. Each of the one or more groups is associated with the maximum number of calling terminals and a group restriction relaxing ratio indicating a relaxing degree of restriction with respect to a predetermined normal restriction ratio. Restriction on a call connection of a terminal belonging to a group is controlled on the basis of a group restriction ratio assigned to the group when the number of terminals being making phone calls is less than the maximum number of calling terminals that is provided for the group. The group restriction ratio is calculated using the predetermined normal restriction ratio and the group restriction relaxing ratio associated with the group. | 2010-01-21 |
20100014653 | METHOD AND APPARATUS FOR SCHEDULING CALLBACKS VIA OFFLINE OFFER TASKS TO KNOWLEDGE WORKERS - In one embodiment, a method includes a request that is obtained by a call center system from a customer. The method also includes identifying a first set of experts that includes at least a first expert suitable for, or capable of, processing the request. The first expert is offline with respect to the call center system. An offer task is created and provided to the first set of experts. The offer task identifies the request and initiates the scheduling of a callback to address the request. | 2010-01-21 |
20100014654 | Retablissement d'appel dans un serveur d'appel d'installation de telecommunications privee - For quickly restoring a previously set up call between first and second terminals associated respectively with first and second call servers, a first call string associated with the first terminal and with a first context of the call previously stored in the first server is created. A call restoring request including a second call string reference extracted from the first context is transmitted from the first to the second server. In the second server, a second call string is searched depending on the reference included in the request. If the second string is found in association with the second terminal, call restoring between the first and the second terminals through a path between the first and the second call strings is confirmed from the second server to the first server. | 2010-01-21 |
20100014655 | Method and apparatus for generating cryptographic key using biometric data - A method of securely storing and authenticating biometric data against attacks of a third party includes encoding input biometric data, and applying a one-way function to the encoded biometric data. A first exclusive OR operation is performed to the result of the one-way function and a selected secret key. The result of the first exclusive OR operation is encoded, and a second exclusive OR operation is performed to the encoded result of the first exclusive OR operation and the encoded biometric data. The result of the second exclusive OR operation is stored. In the same manner, the biometric data is authenticated. Accordingly, the biometric data can be securely stored against the attacks of a third party by processing and storing the biometric data according to a predetermined procedure. | 2010-01-21 |
20100014656 | Cryptographic Method Comprising Secure Modular Exponentiation Against Hidden-Channel Attacks, Cryptoprocessor for Implementing the Method and Associated Chip Card - A cryptographic method carries out a modular exponentiation of the type C=A mod N, where A is an operand, B1 is a first exponent, N is a modulus and C is a result. The method includes the steps of masking the operand A by a number s, carrying out a modular exponentiation of the masked operand by the exponent B1, and de masking the result of the exponentiation, by removing a contribution from the random number s from the result of the exponentiation. During the step of masking the operand A, the operand A is multiplied by a parameter of the form K, where K is a constant and B2 is a second exponent such that B1.B2=1 mod N. The method is implemented preferably by using a Montgomery multiplier. The preferred choice for the constant K is K=2 | 2010-01-21 |
20100014657 | PRIVACY PRESERVING SOCIAL NETWORK ANALYSIS - A method and a system for privacy-preserving SNA. A plurality of vertices of a first subgraph of a graph is encrypted with a first key of a commutatively encryption scheme. A plurality of vertices of a second subgraph encrypted with a second key of the commutatively encryption scheme are received and encrypted commutatively with the first key. A plurality of commutatively encrypted vertices of the first subgraph and a plurality of commutatively encrypted vertices of the second subgraph are used for computing centrality metrics preserving the privacy of the graph and its structure. | 2010-01-21 |
20100014658 | METHOD OF CUSTOMIZING A SECURITY COMPONENT, NOTABLY IN AN UNPROTECTED ENVIRONMENT - The invention relates to a method of customizing a security component in an unprotected environment. The method according to embodiments of the invention includes: inserting a first secret K | 2010-01-21 |
20100014659 | CRYPTOGRAPHIC PROCESSING APPARATUS AND CRYPTOGRAPHIC PROCESSING METHOD, AND COMPUTER PROGRAM - In extended Feistel type common key block cipher processing, a configuration is realized in which an encryption function and a decryption function are commonly used. In a cryptographic processing configuration to which an extended Feistel structure in which the number of data lines d is set to an integer satisfying d≧3 is applied, involution properties, that is, the application of a common function to encryption processing and decryption processing, can be achieved. With a configuration in which round keys are permuted or F-functions are permuted in the decryption processing, processing using a common function can be performed by setting swap functions for the encryption processing and the decryption processing to have the same processing style. | 2010-01-21 |
20100014660 | DOWNLINK SCRAMBLING METHOD AND BASE STATION - A disclosed base station randomizes downlink physical channels in OFDM radio access by scrambling codes suitable for the respective physical channels. The base station includes a base-station-specific scrambling code generating unit configured to generate a base-station-specific scrambling code for randomizing downlink physical channels; a sector-specific orthogonal sequence generating unit configured to generate a sector-specific orthogonal sequence; and a multiplication control unit configured to determine, for each of the physical channels, whether to multiply the base-station-specific scrambling code by the sector-specific orthogonal sequence based on whether each of the physical channels requires soft combining. | 2010-01-21 |
20100014661 | APPARATUS, SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR DISTRIBUTING SERVICE INFORMATION AND DIGITAL RIGHTS FOR BROADCAST DATA - An apparatus, system method and computer program product configured to transmit data over a broadcast network. The data is encrypted and decoded using a decryption key available to terminals in combination with a digital rights object. A media guide is broadcast to the terminals. Information from the media guide is also stored by a request handling means in order to ensure that information, such as pricing information, broadcast to the terminals is synchronized with information used to register a terminal as a subscriber. A request is sent from a terminal to the broadcast network through a second network. Authentication information identifying the terminal may be included in the request without manual input from a user of the terminal. Authentication information is extracted from a component or added to the message by a component of the second network. The digital rights object is then sent to the terminal via the second network. | 2010-01-21 |
20100014662 | METHOD, APPARATUS AND COMPUTER PROGRAM PRODUCT FOR PROVIDING TRUSTED STORAGE OF TEMPORARY SUBSCRIBER DATA - A method for providing trusted storage of temporary subscriber data may include receiving a value indicative of a temporary identity associated with a device, encrypting the value with a randomly generated encryption key to generate an encrypted value, storing the encrypted value in an identity module in removable communication with the device, and storing the encryption key in the device. | 2010-01-21 |
20100014663 | Strengthened public key protocol - A method of determining the integrity of a message exchanged between a pair of correspondents. The message is secured by embodying the message in a function of a public key derived from a private key selected by one of the correspondents. The method comprises first obtaining the public key. The public key is then subjected to at least one mathematical test to determine whether the public key satisfies predefined mathematical characteristics. Messages utilizing the public key are accepted if the public key satisfies the predefined mathematical characteristics. | 2010-01-21 |
20100014664 | Cryptographic Processing Apparatus, Cryptographic Processing Method, and Computer Program - To realize a common-key block cipher process configuration with increased difficulty of key analysis and improved security. In a configuration for storing in a register an intermediate key generated by using a secret key transformation process and performing a transformation process on the register-stored data to generate a round key, a process of swapping (permuting) data segments constituting the register-stored data is executed to generate a round key. For example, four data segments are produced so that two sets of data segments having an equal number of bits are set, and a process of swapping the individual data segments is repeatedly executed to generate a plurality of different round keys. With this configuration, the bit array of each round key can be effectively permuted, and round keys with low relevance can be generated. A high-security cryptographic process with increased difficulty of key analysis can be realized. | 2010-01-21 |
20100014665 | REMANUFACTURE OF ENCRYPTED CONTENT USING A REPLICATED MEDIUM - Embodiments of the invention provide a method for creating a source for remanufacture of encrypted content using a replicated medium. A content encrypting engine obtains a first set of meta data from a multimedia content and stores the first set of meta data in a database. A content encrypting engine obtains a second set of meta data from a signed encrypted version of the multimedia content, and stores the second set of meta data in the database. An encrypted replica duplication engine then extracts encrypted data from a first replicated medium, and combines the encrypted data with the first set of meta data and the second set of meta data. Advantageously, embodiments of the invention allow a manufacturer or replication facility to use a replica disc, which is inexpensive and abundant, as a data archive for source material. | 2010-01-21 |
20100014666 | Method and Apparatus for Protecting Scalable Video Coding Contents - Disclosed are a method and apparatus capable of reducing the computational complexity of encryption and decryption by encrypting only data of scalable video coding contents for each coding layer in terms of temporal, spatial, and SNR scalabilities to provide a service for protected scalable video coding contents, and capable of protecting contents by generating and distributing an encryption key for encryption and decryption depending on a class of a contents consumer. | 2010-01-21 |
20100014667 | BROADCAST RECEIVING APPARATUS AND CONTROL METHOD THEREOF - The present invention provides a broadcast receiving apparatus that receives a broadcast wave containing multiple channels. The apparatus comprises, among other things, a selecting unit that selects a channel from the broadcast wave; a determination unit that determines, for all channels that can be selected by the selecting unit, whether or not the obtaining unit can obtain an encrypted second-type encryption key that can be decrypted by the decrypting unit using the updated first-type encryption key; and an updating unit that updates the computer program stored in the memory to the updated program in the case where the determination unit has determined that the obtainment is possible for all the channels. | 2010-01-21 |
20100014668 | Image data verification program recorded on a recording medium, image data verification method, and image data verification system - An image data verification system for verifying image data using a computer and method are provided. The method includes registering image data of an original and extracting information regarding a part of information forming the original image data. The method also includes generating a feature value of the partial information and generating signature information. | 2010-01-21 |
20100014669 | Codec-independent encryption of material that represents stimuli intended for human perception - Processors that encrypt frames of data representing images and sounds, for example, use a first encryption process to encrypt control data that includes selected data from the data frames and use a second encryption process to encrypt non-selected data from the data frames. The first encryption process is responsive to a key, which may be associated with an intended recipient of the data frames. The second encryption process is responsive to a key that is obtained or derived from the control data. The encrypted control data and the encrypted non-selected data may be delivered to a receiver using separate media. The receiver recovers the data frames using decryption processes that are inverse to the first and second encryption processes. Efficient implementations of the second encryption process are disclosed. | 2010-01-21 |
20100014670 | One-Way Hash Extension for Encrypted Communication - Various apparatuses, methods and systems for encrypted communication are disclosed herein. For example, some embodiments provide an apparatus for encrypted communication, including a transmitter and a receiver. The transmitter includes a first one-way hash calculator and an encryptor. The encryptor has a code input connected to a hash value output of the first one-way hash calculator. The receiver includes a second one-way hash calculator. The first and second one-way hash calculators are configured with the same key. The decryptor has a code input connected to the hash value output of the second one-way hash calculator. The decryptor data input is connected to the encryptor output. | 2010-01-21 |
20100014671 | SECURE INTERCHIP TRANSPORT INTERFACE - Multimedia content or related data is securely transferred between a source device and a sink device in a secure multimedia content delivery device, such as a set-top box, using keys modified by logically combining them with copy control-related bits associated with the data. | 2010-01-21 |
20100014672 | Counter Initialization, Particularly For Radio Frames - A method for protecting traffic in a radio access network connected to at least two core networks. The method comprises maintaining a corenetwork-specific authentication protocol and a radio-bearer-specific ciphering process, and generating, for each ciphering process, a count parameter comprising a cyclical sequence number and a hyperframe number (HFN) which is incremented each time the cyclical sequence number completes one cycle. For each core network or authentication protocol, a first radio bearer of a session is initialized with a HFN exceeding the highest HFN used during the previous session. When a new radio bearer is established, the mobile station selects the highest HFN used during the session for the core network in question, increments it and uses it for initializing the count parameter for the new radio bearer. At the end of a session, the mobile station stores at least part of the highest HFN used during the session. | 2010-01-21 |
20100014673 | RADIO FREQUENCY IDENTIFICATION (RFID) AUTHENTICATION APPARATUS HAVING AUTHENTICATION FUNCTION AND METHOD THEREOF - Disclosed are an RFID authentication apparatus having an authentication function and a method thereof. An RFID authentication method includes determining, by an authentication reader, an AES key using authentication information received from an authentication tag, generating an output key, encrypting a predetermined length of confirmation data by using the output key, transmitting the encrypted confirmation data to the authentication tag, receiving encrypted confirm response data corresponding to the confirmation data from the authentication tag to decrypt the encrypted confirm response data, and comparing the predetermined length of the confirmation data with the decrypted confirm response data to verify authenticity of the authentication tag. | 2010-01-21 |
20100014674 | SYSTEMS AND METHODS FOR AUTHORIZATION AND DATA TRANSMISSION FOR MULTICAST BROADCAST SERVICES - A method for a base station to provide multicast broadcast services (MBSs). The method includes: obtaining an MBS authorization key (MAK); generating a number as an MBS group traffic encryption key (MGTEK); using a service credit number (SCN) to count an amount of service time or MBS content data; generating an MBS traffic key (MTK) based on at least the MAK and the MGTEK; encrypting MBS content data with the MTK; and transmitting the encrypted MBS content data to provide the MBSs. | 2010-01-21 |
20100014675 | Appraising Systems With Zero Knowledge Proofs - A system, method, and computer program product are provided for requesting a proof of a security policy in a client system. Additionally, a system, method, and computer program product are provided for proving a security policy to an interrogator system. | 2010-01-21 |
20100014676 | PRIVACY MANAGEMENT FOR TRACKED DEVICES - A device, method, system and computer readable medium for the protection of private data while permitting the monitoring or tracking of electronic devices that are shared for both business and private purposes. | 2010-01-21 |
20100014677 | GROUP SUBORDINATE TERMINAL, GROUP MANAGING TERMINAL, SERVER, KEY UPDATING SYSTEM, AND KEY UPDATING METHOD THEREFOR - Provided is a group subordinate terminal in a key updating system that includes a server and a group of terminals including: a group managing terminal; and group subordinate terminals including the group subordinate terminal, the group subordinate terminal comprising: a group withdrawal request processing unit which transmits a group withdrawal request to the group managing terminal in response to an instruction to update its apparatus-unique key, the group withdrawal request requesting for withdrawal of the group subordinate terminal from the group; an update apparatus-unique key requesting unit which requests for another apparatus-unique key by transmitting to the server a group withdrawal certificate indicating that the withdrawal of the group subordinate terminal from the group of terminals is completed through invalidation of its group key; and an update processing unit which updates the apparatus-unique key held in an apparatus-unique key holding unit to the another apparatus-unique key obtained from the server. | 2010-01-21 |
20100014678 | Cryptographic system using chaotic dynamics - The invention is a cryptographic system using chaotic dynamics. A chaotic system is used to generate a public key and an adjustable back door from a private key. The public key is distributed and can be used in a public key encryption system. The invention can also be used for authentication purposes. The adjustable back door of the invention can be used in conjunction with the public key to derive the private key. The degree of difficulty involved in deriving the private key is dependent on the adjustable back door. That is the value of the back door can be adjusted to vary the difficulty involved in deriving the private key. | 2010-01-21 |
20100014679 | Multi-channel encoding and decoding method and apparatus - Provided are a multi-channel encoding and decoding method and apparatus capable of encoding and decoding residual signal by removing redundant information between a plurality of channels without a downmixed signal. In the method and apparatus, a reference signal which is to be used for encoding from a plurality of channel signals, the phase differences between the respective channel signals and the reference signal, gains which are the ratios of the amplitudes of the respective channel signals to the amplitude of the reference signal, and residual signals which correspond to differences between predicted signals and the actual channel signals, are encoded or decoded. The predicted signals are obtained by applying the phase differences and gains to the reference signal. | 2010-01-21 |
20100014680 | Method and an Apparatus for Decoding an Audio Signal - A method for processing an audio signal, comprising: receiving a downmix signal, an object information, and a mix information; generating a multi-channel information including at least one gain modification factor using the object information and the mix information, wherein the gain modification factor corresponds to a time-subband-variant factor for controlling gain of the downmix signal is disclosed. | 2010-01-21 |
20100014681 | NOISE SUPPRESSION METHOD, DEVICE, AND PROGRAM - The noise suppression device includes: a shock noise detection unit which receives an input signal including a shock noise and detects a shock noise according to a change of the input signal; and a shock sound suppression unit which receives the shock sound detection result and the input signal so as to suppress the shock sound. | 2010-01-21 |