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09th week of 2009 patent applcation highlights part 31
Patent application numberTitlePublished
20090052578WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION DEVICE, AND WIRELESS COMMUNICATION METHOD - A wireless communication system includes a transmitting device and a receiving device each including a plurality of antennas. A plurality of streams are subjected to spatial multiplexing and are transmitted in a downlink in which packets are transmitted from the transmitting device to the receiving device. In the transmitting device, each of the plurality of transmission streams is divided into a plurality of bit-series groups having decoding characteristics to which priority levels are assigned, the bit-series groups are subjected to encoding processes and modulating processes in accordance with the priority levels and further subjected to weighting and synthesizing, and each of the plurality of transmission streams in which a plurality of bit series items are synthesized with one another is spatially multiplexed and transmitted.2009-02-26
20090052579DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiving system and a method for controlling the same are disclosed. The method a method for controlling a digital broadcast receiving system includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, acquiring a program table, by using the IP signaling channel within an ensemble included in the received broadcast signal, and controlling the system to create a list of channels mapped with all ensembles transmitted through at least one physical frequency, by using the acquired program table.2009-02-26
20090052580DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast system and a method of processing data disclose. A receiving system of the digital broadcast system may include a baseband processor, a management processor, and a presentation processor. The baseband processor receives broadcast signals including mobile service data and main service data. The mobile service data configures a RS frame, and the RS frame includes the mobile service data and at least one type of channel setting information on the mobile service data. The management processor decodes the RS frame to acquire the mobile service data and the at least one type of channel setting information on the mobile service data, then extracts position information of an SDP message. Herein, the SDP message includes Codec information for each component in the respective virtual channel from the channel setting information, thereby accessing the SDP message from the extracted position information and gathers SDP message information. The presentation processor decodes mobile service data of a corresponding component based upon the gathered SDP message information.2009-02-26
20090052581DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. A receiving system of the digital broadcasting system includes a baseband processor, a management processor, and a presentation processor. The baseband processor receives broadcast signals including mobile service data and main service data. Herein, the mobile service data may configure a RS frame, which includes mobile service data and table information describing channel configuration information and IP access information of an ensemble level corresponding to the RS frame. The table information is encapsulated to a UDP/IP header. The management processor processes table information from the RS frame to acquire channel configuration information and IP access information of an ensemble level, and accesses mobile service data requested to be received from the RS frame, based upon the acquired information. The presentation processor decodes the accessed mobile service data and outputs the decoded data to a display screen and/or a speaker.2009-02-26
20090052582Method for improving the performance of ofdm receiver and a receiver using the method - One or more parameters of a tuner of a receiver may be adjusted by generating for the receiver one or more control signals associated with one or more parameters and applying control signals to the tuner during a cyclic prefix (CP) period. The receiver may generate a control strobe in synchronization with the CP period wherein the control strobe essentially begins with the CP period and has duration preferably shorter than the duration of the CP period. The duration of the control strobe may be chosen such that the one or more control signals, after being applied to the tuner, each reaches its steady state before the CP period lapses. The adjusted parameters, alone or in combination, may be, for example, the gain of the low-noise-amplifier (LNA), the synthesizer's local frequency, the DC correction level, the power gain amplifier, and the I/Q error, and the like. The demodulator of the receiver may generate one or more of the control signals required for adjusting one or more parameters. One or more control signals may be determined according to previously received symbols/transmissions, and by determining the tuner's parameters to be adjusted based on the receiver's continued performance evaluations, and generating and applying the control signals to the tuner as a consequence of or in relation to these evaluations.2009-02-26
20090052583DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN THE DIGITAL BROADCASTING SYSTEM - A digital broadcast system and data processing method therein are disclosed. A receiving system of the digital broadcast system includes a baseband processor, a table handler, a DSM-CC handler, and a display module. The baseband processor receives a broadcast signal including mobile service data and main service data. The mobile service data configures an RS frame, and the RS frame includes the mobile service data, DSM-CC (digital storage media-command and control) data and a table describing at least one channel configuration information on the mobile service data and signaling information of the DSM-CC data. The table handler extracts the at least one channel configuration information on the mobile service data and the signaling information of the DSM-CC data by parsing the table from the RS frame. The DSM-CC handler parses the DSM-CC data from the RS frame based on the extracted signaling information of the DSM-CC data. The DSM-CC handler stores the parsed DSM-CC data. The DSM-CC handler extracts a download estimated time from the DSM-CC data, and outputs the extracted download estimated time. The display module displays the download estimated time of the DSM-CC data outputted from the DSM-CC handler on a prescribed portion of a screen.2009-02-26
20090052584Selective Signal Demodulation Method and Apparatus - Signal quality estimation and demodulation are tailored to the received signal quality. According to one embodiment, a received signal is processed by determining a first set of combining weights based on a first impairment covariance estimate derived assuming a low signal quality environment. A second set of combining weights is determined based on a second impairment covariance estimate derived assuming a high signal quality environment. A metric is determined corresponding to the difference between symbol estimates derived from the second set of combining weights and hard symbol decisions. The received signal is demodulated based on the second set of combining weights if the metric satisfies a threshold indicating high signal quality and otherwise based on the first set of combining weights.2009-02-26
20090052585DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and a method of processing data are disclosed, which are robust to error when mobile service data are transmitted. To this end, additional encoding is performed for the mobile service data, whereby it is possible to strongly cope with fast channel change while giving robustness to the mobile service data.2009-02-26
20090052586PULSE RECEIVING CIRCUIT, PULSE RECEIVING METHOD AND PULSE WIRELESS COMMUNICATION DEVICE - A pulse receiving circuit which receives a receiving signal from the outside includes: a template pulse generating circuit which generates a first pulse signal and a second pulse signal having phase different from that of the first pulse signal based on a pulse position timing signal; a first multiplying circuit which multiplies the receiving signal by the first pulse signal and outputs a first multiplication signal; a second multiplying circuit which multiplies the receiving signal by the second pulse signal and outputs a second multiplication signal; a first low band pass filtering circuit which extracts low frequency component from frequency components of the first multiplication signal and outputs a first low frequency signal; a second low band pass filtering circuit which extracts low frequency component from frequency components of the second multiplication signal and outputs a second low frequency signal; and an envelope detection circuit which performs envelope calculation by using the first low frequency signal and the second low frequency signal and outputs a detection signal.2009-02-26
20090052587DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. The receiving system of the digital broadcasting system includes a baseband processor, a first handler, a second handler, and a storage unit. The baseband processor receives a broadcast signal including mobile service data and main service data. Herein, the mobile service data may configure an RS frame, and the RS frame may include the mobile service data and first signaling information of a first data type on the mobile service data. The first handler parses the first signaling information received from the RS frame, converts parsed data elements of the first data type to a second data type, and merges multiple identification information of the parsed first data type, thereby generating identification information of the second data type. The second handler receives second signaling information of the second data type on the mobile service data, the second signaling information including at least one fragment, uses the identification information of the second data type included in the first handler to search at least one fragment within the second signaling information, and maps data elements received through the searched fragment with the data elements converted to the second data type.2009-02-26
20090052588Apparatus and Method for Sensing an Atsc Signal in Low Signal-to-Noise Ratio - A Wireless Regional Area Network (WRAN) receiver comprises a transceiver for communicating with a wireless network over one of a number of channels, and an Advanced Television Systems Committee (ATSC) signal detector for use in forming a supported channel list comprising those ones of the number of channels upon which an ATSC signal was not detected, wherein the ATSC signal detector includes a filter matched to a PN63 sequence of an ATSC signal for filtering a received signal on one of the number of channels for providing a filtered signal for use in determining if the received signal is an ATSC signal. The ATSC signal detector can be a coherent or a non-coherent ATSC signal detector.2009-02-26
20090052589TRANSPORT STREAM GENERATING DEVICE, TRANSMITTING DEVICE, RECEIVING DEVICE, AND A DIGITAL BROADCAST SYSTEM HAVING THE SAME, AND METHOD THEREOF - A transport stream (TS) generating apparatus, a transmitting apparatus, a receiving apparatus, a digital broadcast system having the above, and a method thereof are provided. The digital broadcast system includes a transport stream (TS) generating apparatus which generates a multi transport stream (TS) by multiplexing a normal stream and a turbo stream having a variable coding rate, a transmitting apparatus which re-constructs the multi TS by processing the turbo stream, and transmits the re-constructed multi TS, and a receiving apparatus which receives the re-constructed multi TS, and decodes the normal stream and the turbo stream respectively, to recover normal data and turbo data. Accordingly, a multi TS, which includes normal stream and a turbo stream of various coding rates, can be transmitted and received efficiently.2009-02-26
20090052590LAYERED MODULATION FOR DIGITAL SIGNALS - Signals, systems and methods for transmitting and receiving layered modulation for digital signals are presented. A layered signal for transmitting data, comprises a first signal layer including a first carrier and first signal symbols for a first digital signal transmission and a second signal layer including a second carrier and second signal symbols for a second signal transmission disposed on the first signal layer, wherein the layered signal has the first carrier demodulated and first layer decoded to produce the first signal symbols for a first layer transport, the first signal symbols are remodulated and subtracted from the layered signal to produce the second signal layer, and the second signal layer has the second carrier demodulated and decoded to produce the second signal symbols for a second layer transport.2009-02-26
20090052591GMSK-receiver with interference cancellation - A GMSK receiver with interference cancellation includes a linear equalizer configured to be coupled to a received signal from a first antenna and to provide first soft bits, an adaptive estimator, e.g., adaptive MLSE coupled to the first soft bits and configured to provide second soft bits; a quality assessor coupled to the first soft bits and configured to provide a quality indication; and a switching function coupled to the linear equalizer and the adaptive MLSE and controlled in accordance with the quality indication to provide output soft bits corresponding to at least one of the first soft bits and the second soft bits. The GMSK receiver can be extended to multiple antennas and corresponding methods for interference cancellation in a GMSK signal are discussed.2009-02-26
20090052592Method and Arrangement for Recovering a Binary DC-Free Code From a Frequency Modulated Signal - The invention is related to a method and an arrangement for recovering a binary DC-free code from a frequency-modulated signal, without any analog signal demodulation of the frequency-modulated signal. The invention relates more particularly to an ATIP bi-phase channel bit and timing recovery in a deteriorated wobble channel as e.g. required for high speed recording on optical storage media. The arrangement comprises a digital phase lock loop and a phase detector uses a phase trellis and a maximum likelihood detection is applied to the phase trellis for providing a bi-phase channel bit signal and a bi-phase clock signal, which is in time with the sampling point for the bi-phase channel bit signal for recovering said binary code. The invention is also applicable for further data transmission systems based on frequency modulation as e.g. modem or wireless data communication systems.2009-02-26
20090052593LOG LIKELIHOOD RATIO CALCULATION METHOD, TRANSMIT SIGNAL DETECTION METHOD, AND RECEIVER - The present invention relates to a log-likelihood ratio calculation method, a transmitting signal detection method, and a receiver. The present invention estimates a channel on the basis of the received signal and rearranges a plurality of layers. Further, at the time of rearrangement of the layers, a symbol of a layer having the lowest reliability is considered for every constellation dot, and the successive interference for the remaining layers is removed corresponding to the constellation dots of the layer having the lowest reliability to set the transmitting symbol candidate vector. Furthermore, a log-likelihood ratio for every bit of the plurality of layers is calculated using the transmitting symbol candidate vector to decode the channel.2009-02-26
20090052594ROBUST JOINT ERASURE MARKING VITERBI ALGORITHM DECODER - Joint erasure marking Viterbi algorithm (JEVA), decoder schemes, methods, and systems are provided which perform robust trellis decoder techniques. The provided JEVA decoding schemes are shown to be maximum likelihood decoding schemes that find the most likely transmitted code sequence with a set of symbol erasures, without knowledge of the impulsive noise probability distribution function, and can be implemented sequentially such that they are well suited for dynamically changing impulsive noise channels. In addition, the disclosed details enable various refinements and modifications according to decoder and system design considerations. For example, truncated JEVA is provided for continuous transmission and long frame applications.2009-02-26
20090052595Method of evaluating a readout signal, and optical disc apparatus - A method and optical disc apparatus for evaluating a quality of a read signal adapted to the PRML method by evaluating a binary code decoded from the read signal obtained by a head, in which an error bit sequence having one bit edge shift from the binary code is generated, a Euclidian distance is calculated on both a correct bit sequence and the error bit sequence with respect to a predetermined target signal level, assuming that the binary code is the correct bit sequence, a Euclidian distance difference between the Euclidian distance on the correct bit sequence and the Euclidian distance on the error bit sequence is calculated, an average Euclidian distance from the target signal level is calculated, a normalized sequence error is calculated, the binary code is evaluated using the normalized sequence error.2009-02-26
20090052596DECODER AND DECODING METHOD - Provided are a decoding apparatus and method for a system supporting an Orthogonal Frequency Division Multiplexing (OFDM)/Orthogonal Frequency Division Multiple Access (OFDMA) scheme, the apparatus and method capable of simply performing decoding by a non-coherent method. The decoding method includes the steps or receiving quadrature phase shift keying (QPSK) modulated signal; performing subcarrier demodulation whereby correlation metrics are generated on the basis of the received signal; and performing decoding using a decoding metric derived from the correlation metrics. The correlation metrics are obtained by multiplying tile, bin or zone of received signal by sets of basis vectors. The decoding apparatus includes: a receiving buffer for buffering received QPSK modulated signal; a correlation metric generator for generating correlation metrics on the basis of the received signal buffered in the receiving buffer; and a decoding processor for performing decoding using a decoding metric derived from the correlation metrics.2009-02-26
20090052597SCALABLE RECONFIGURABLE CONCURRENT FILTER FOR WIDE-BANDWIDTH COMMUNICATION - The invention relates to a reconfigurable continuous FIR filter. The reconfigurable continuous FIR filter includes a delay line including at least two delay elements coupled in cascade. The reconfigurable continuous FIR filter also includes a filter section including at least three gain-phase elements. The filter section also includes a summing circuit having a plurality of inputs at least equal in number to the at least three gain-phase elements and one output. The reconfigurable continuous FIR filter is configured to exhibit a filter transfer function that is reconfigurable in real time. The invention also related to down-converters using the reconfigurable continuous FIR filter. The invention also related to electromagnetic wave receivers using the reconfigurable continuous FIR filter. The invention also relates to a method for reconfigurable real time continuous filtering.2009-02-26
20090052598METHOD AND DEVICE FOR PROVIDING TIMING INFORMATION IN A WIRELESS COMMUNICATION SYSTEM - A method and a device of providing timing information within a wireless communication system is described. The timing information is extracted from a received transmit signal. The inventive method comprises the steps of providing a training signal on the receiver side relating to a known signal portion of the transmit signal, scaling the training signal, quantizing the scaled training signal, correlating one or more parts of the received transmit signal with the scaled training signal to obtain one or more correlation results, and determining the timing information on the basis of the correlation results.2009-02-26
20090052599TRANSMITTER AND TRANSMITTER/RECEIVER - The present invention provides a transmitter capable of reducing the occurrence of noise when switching from the SD signal to the HD signal, for example. A microcomputer (2009-02-26
20090052600CLOCK AND DATA RECOVERY CIRCUITS - A data communication system comprising a first transmitter set configured to transmit a first output based on a first signal, the first output including one of a training pattern and a first data, the training pattern and the first data including clock information, a second transmitter set configured to transmit a second output based on the first signal, the second output including one of the training pattern and a second data, a first receiver set configured to generate a first received data based on the first output, a second receiver set configured to generate a second received data based on the second output, a clock and data recovery (CDR) circuit configured to extract the clock information based on the first signal and the first received data and provide a second signal indicating whether a frequency in-lock status is reached, a phase control circuit in the second receiver set, the phase control circuit being configured to detect a phase difference between the first received data and the second received data and provide a third signal indicating whether a phase in-lock status is reached, and a detector configured to generate the first signal based on the second signal and the third signal.2009-02-26
20090052601METHOD AND APPARATUS FOR FRAME-BASED BUFFER CONTROL IN A COMMUNICATION SYSTEM - A method and apparatus are disclosed for controlling a buffer in a digital audio broadcasting (DAB) communication system. The decoder buffer level limits are specified in terms of a maximum number of encoded frames (or duration). The transmitter can predict the number of encoded frames, F2009-02-26
20090052602Systems and Methods for Improved Timing Recovery - Various embodiments of the present invention provide systems and methods for improved timing recovery. As one example, some embodiments of the present invention provide timing recovery circuits that include an error signal and a digital phase lock loop circuit. The error signal indicates a difference between the predicted sample time and an ideal sample time. The digital phase lock loop is operable to apply an adjustment value such that a subsequent sample time is moved toward the ideal sample time. Further, the digital phase lock loop circuit includes an adjustment limit circuit that is operable to limit the adjustment value.2009-02-26
20090052603Method of and Apparatus for Generating Recoilless Nonthermal Nuclear Fusion - A method of and apparatus for generating recoilless nonthermal nuclear fusion reaction, wherein deuterium ions accelerated by pulsed gas discharge plasma are implanted onto a surface of an electrode (2009-02-26
20090052604Temperature Detection Apparatus For Natural Circulation Boiling Water Reactor - A natural circulation boiling water reactor includes a reactor pressure vessel, a chimney including a lattice member and arranged above a core in the reactor pressure vessel, and at least one thermocouple extension wire pulling conduit into which a temperature detection thermocouple and a cable connected to said temperature detection thermocouple are inserted. The thermocouple extension wire pulling conduit is disposed on an upper end surface of the lattice member and mounted to the upper end surface of the lattice member.2009-02-26
20090052605HANDLING SYSTEM FOR IN-CORE DETECTOR THIMBLE TUBE OF REACTOR - A handling system for an in-core detector thimble tube of a reactor is disclosed. The handling system serves to withdraw and retract a thimble tube so as to provide a movement path of a movable detector used to measure a neutron flux within a reactor. For this, the handling system basically includes a thimble tube withdrawing/retracting device, which grips the thimble tube using a plurality of synthetic resin pinch rollers to withdraw and retract the thimble tube without any damage to the thimble tube, a thimble tube tensioning device, which applies a constant tensile force to the thimble tube to prevent the thimble tube from shaking or bending upon withdrawing/retracting operations, and a thimble tube platform, which temporarily keeps the withdrawn thimble tube at a fixed position without a risk of shaking of the thimble tube and provides a movement path of the thimble tube tensioning device. With automatic withdrawal/retraction of the thimble tube without damage provides advantages of an extended thimble tube exchange interval, improved safety of system facilities, reduced labor costs and working time, and reduced worker radiation exposure, shortened precaution/maintenance period, and enhanced reactor use efficiency.2009-02-26
20090052606NUCLEAR REACTOR INTERNALS ALIGNMENT CONFIGURATION - An alignment system that employs jacking block assemblies and alignment posts around the periphery of the top plate of a nuclear reactor lower internals core shroud to align an upper core plate with the lower internals and the core shroud with the core barrel. The distal ends of the alignment posts are chamfered and are closely received within notches machined in the upper core plate at spaced locations around the outer circumference of the upper core plate. The jacking block assemblies are used to center the core shroud in the core barrel and the alignment posts assure the proper orientation of the upper core plate. The alignment posts may alternately be formed in the upper core plate and the notches may be formed in top plate.2009-02-26
20090052607Spacer Grid for Close-Spaced Nuclear Fuel Rods - A spacer grid can be applied to close-spaced nuclear fuel rods. The spacer grid is directed to solve the problem in which, as the outer diameter of each nuclear fuel rod increases due to the use of dual-cooled nuclear fuel rods for improving cooling performance and obtaining high combustion and high output power, the gap between the neighboring nuclear fuel rods is narrowed to thus make it impossible to use an existing spacer grid. The spacer grid is a combination of unit grid straps, each of which has supports for supporting each of the nuclear fuel rods set in a narrow array and has a sheet shape, which are combined with each other. The supports are located at positions shifted from the longitudinal central line of each unit grid strap toward sub-channels.2009-02-26
20090052608METHOD FOR DYNAMICALLY ADJUSTING HARDWARE EVENT COUNTING TIME-SLICE WINDOWS - A method for dynamically adjusting a hardware event counting lime-slice window includes initializing a time-slice weight corresponding to a hardware event, initializing the hardware event counting time-slice window based on the time-slice weight and setting a performance monitoring unit (PMU) to monitor the hardware event with a value extracted from a performance monitoring counter (PMC) table. The PMU includes at least one control register and at least one performance monitoring counter (PMC) register, and the value corresponds to the hardware event. The method further includes counting occurrences of the hardware event until the time-slice window expires to provide a single pass count value, normalizing the single pass count value to provide a normalized single pass count value, calculating an adjusted time-slice weight using the normalized single pass count value and the time-slice weight, and storing the adjusted time-slice weight.2009-02-26
20090052609METHOD AND APPARATUS FOR SELF IDENTIFICATION OF CIRCUITRY - A system that includes a controller for enabling an enumeration operation. The enumeration operation is performed by a controller (2009-02-26
20090052610Intraoperative monitoring of temperature-induced tissue changes with a high-resolution digital X-ray system during thermotherapy - A method of thermally inducing and monitoring changes to localized regions of tissue illuminating a volume of tissue with a first beam of X-rays, detecting the portions of the first beam of X-rays that passed through the volume of tissue, generating a first X-ray image signal from the portions of X2009-02-26
20090052611Method and x-ray computed tomography system for visualizing at least two types of cardiac tissue: Healthy tissue and diseased tissue - A method and an x-ray computed tomography system are disclosed for visualizing at least two different types of cardiac tissue, such as normally perfused tissue, hypoperfused tissue and scarred tissue. In at least one embodiment, this is done by use of an imaging tomographic recording technique with the aid of x-ray radiation, wherein at least one cardiac region of a patient is scanned by x-ray radiation which passes through a first grating for the passing-through x-ray radiation, designed as an absorption grating, prior to reaching the patient, and at least the locally caused phase-shifts of the x-ray radiation in the cardiac region are also made detectable by using a second grating for the passing-through x-ray radiation, designed as a phase grating, downstream of the patient in the emission direction, and the spatial distribution of these shifts is measured and reconstructed, wherein an average specific phase-shift value is assigned to each spatial unit, wherein each of the abovementioned tissue types are assigned to a region of a typical specific phase-shift value and at least one region assigned to a tissue type is optically highlighted in a view of the cardiac region.2009-02-26
20090052612SYSTEM AND METHOD OF OPTIMIZING A MONOCHROMATIC REPRESENTATION OF BASIS MATERIAL DECOMPOSED CT IMAGES - A system and method of a diagnostic imaging system includes a high frequency electromagnetic energy source that emits a beam of high frequency electromagnetic energy toward an object to be imaged, a detector that receives high frequency electromagnetic energy emitted by the high frequency electromagnetic energy source and attenuated by the object, a data acquisition system (DAS) operably connected to the detector, and a computer operably connected to the DAS. The computer is programmed to obtain CT scan data with two or more incident energy spectra, decompose the obtained CT scan data into projection CT data of two or more basis materials, reconstruct linearly weighted projections of the two or more basis materials, determine an optimized energy for the two or more basis materials within a region-of-interest (ROI), and form a monochromatic image of the projection CT data at the optimized energy using the two or more basis material projections.2009-02-26
20090052613THREE DIMENSIONAL IMAGE PROCESSING APPARATUS AND X-RAY DIAGNOSIS APPARATUS - A three dimensional image processing apparatus includes a storage unit storing data of images in different radiographing directions together with information concerning cardiac phases, a key image selection unit selecting key images from the images, a feature point designation unit designatting feature points on the selected key images in accordance with operation by an operator, and an image reconstruction unit reconstructing a three dimensional image from the images on the basis of positions of the designated feature points, wherein the key image selection unit selects, as the key images, a pair of images which are located at the same cardiac phase and whose radiographing directions are different by a substantially predetermined angle and images spaced apart from each other by an angle obtained by substantially equally dividing an interval between the pair of images by a predetermined number.2009-02-26
20090052614Method for marking and visualizing an implant by way of an x-ray phase-contrast tomography examination and an implant - A method is disclosed for marking and visualizing an implant by use of an x-ray phase-contrast tomography examination. Further, an implant is also disclosed. In at least one embodiment, implants are used with specific characteristics which are as unambiguous as possible with regard to the phase shift generated by the implants in a phase-contrast tomography examination. In at least one embodiment, these specific characteristics can include the typical self-generated specific phase shift, typical differences in the specific phase-shift values, or typical spatial structures of materials with well-defined phase-shift values.2009-02-26
20090052615IMAGING APPARATUS USING DISTRIBUTED X-RAY SOUCES AND METHOD THEREOF - An imaging apparatus is disclosed. The imaging apparatus comprises a multidimensional assembly that further comprises a plurality of x-ray sources that are individually addressable. The plurality of x-ray sources is further configurable to simultaneously emit x-ray spectra at different mean energies. Furthermore, the multi-dimensional assembly further comprises a plurality of x-ray detectors that are arranged to detect at least a part of the x-rays that are emitted from at least one of the x-ray sources.2009-02-26
20090052616Unit for X-Ray CT Imaging and X-Ray Imaging Apparatus - A unit for X-ray CT imaging to be set in a panorama X-ray imaging apparatus having a cassette holder has a digital sensor cassette for CT imaging to be set in the cassette holder, includes a two-dimensional X-ray detector for acquiring X-ray projection data for CT imaging of an object, and a controller for controlling a timing of X-ray CT imaging, a radiation field of X-ray beam generated by the X-ray detector, and the rotary device. Alternatively, the unit has the digital sensor cassette for X-ray CT imaging, an image reconstructor which calculates to convert the X-ray projection data obtained with the two-dimensional X-ray detector to a distribution of X-ray absorption coefficients of the object and creates tomographic image data of sections of the object, and an image processor which sends and receives signals for X-ray CT imaging between the X-ray detector and the image reconstructor when the digital sensor cassette for CT imaging is set in the cassette holder.2009-02-26
20090052617Image processing method, image display method, image processing program, storage medium, image processing apparatus and X-ray imaging apparatus - An object of the present invention is to provide an image processing method, etc. capable of producing a panorama tomogram with a simple operation whenever required by the operator. The present invention relates to an image processing method for producing a panorama tomogram of the dental arch using the X-ray projection data on the dentomaxillofacial region obtained by the X-ray computer tomography. The image processing method according to the present invention includes the steps of retrieving the dental arch projection data corresponding to the dental arch from the X-ray projection data based on the preset position and shape information to specify the position and shape of the dental arch from the X-ray projection data (S2009-02-26
20090052618RFID TRANSDUCER ALIGNMENT SYSTEM - A radio frequency identification (RFID) system having the capacity to detect conditions of alignment, wherein the system may be used with hand-held, fixed-in-place, stationary, and permanently mounted apparatus. The system includes an RF interrogator configured for use with dental x-ray, medical imaging, film, and digital radiography apparatus, and may include a multiplicity of RF transponders or interrogators. An RF interrogator, an RF transponder, and an x-ray sensitive imaging device, and its holder are configured to be critically aligned to a dental x-ray machine head apparatus, rendering repeat imaging unnecessary. The x-ray emitter may be further configured to automatically obtain a desired x-ray image or configured so that the device cannot activate and provide a radiograph until alignment with the transponder and associated x-ray sensitive imaging device has occurred.2009-02-26
20090052619Fresnel zone plate and x-ray microscope using the fresnel zone plate - [Object] To provide a Fresnel zone plate having a complex irradiation function capable of improving resolution even when the outermost opaque band width cannot be reduced and an X-ray microscope using the Fresnel zone plate.2009-02-26
20090052620Apparatus and Method for X-Ray Analysis of Chemical State - A state analysis using characteristic X-rays of higher-order diffractions. The name of an element undergoing a state analysis, a species of characteristic X-rays, and a diffraction order are entered from an input device. A measurement control unit reads data about the wavelengths of first-order lines from a storage device in accordance with the specified species of the characteristic X-rays, and finds the actual spectral wavelength position and range of measured wavelengths based on the diffraction order.2009-02-26
20090052621METHOD AND APPARATUS FOR BASIS MATERIAL DECOMPOSITION WITH K-EDGE MATERIALS - A diagnostic imaging system includes a high frequency electromagnetic energy source that emits a beam of high frequency electromagnetic energy toward an object to be imaged, a detector that receives high frequency electromagnetic energy emitted by the high frequency electromagnetic energy source, and a data acquisition system (DAS) operably connected to the detector. A computer is operably connected to the DAS and is programmed to generate corresponding sets of projection values for three or more energy spectra through employment of attenuation coefficients of three or more basis materials to simulate responses of the diagnostic imaging system to a plurality of lengths of the three or more basis materials wherein the three or more basis materials comprise two or more non K-edge basis materials and one or more K-edge basis materials.2009-02-26
20090052622NUCLEAR MATERIAL DETECTION SYSTEM - A method for automatically detecting nuclear material using radiographic images of a cargo container includes receiving a plurality of radiographic images of the cargo container and aligning the plurality of images with respect to each other to produce registered images. The method also includes segmenting the registered images using the atomic number and other edge/texture information in order to locate one or more regions of interest within the registered images and estimating atomic number information for each of a predetermined number of portions of the registered images. The method includes assigning a threat level and a confidence value to regions of interest identified as a potential threat and evaluating the regions of interest identified as potential threats using material context information and adjusting, based on the evaluation, the threat level values and confidences of the regions of interest identified as potential threats. The method also includes providing the regions of interest and adjusted threat level and confidence values as output to an operator station.2009-02-26
20090052623Virtual 4D treatment suite - A virtual 4D treatment suite includes a dose calculation module, a gating module, and a dose rate adjustment module. The 4D treatment suite may be used to virtually analyze the impact the motion of a target tissue has on therapy for a particular patient and a proposed treatment plan. For example, for a proposed treatment plan, the dose calculation module may calculate a dose that would be received by a target tissue and an associated dose temporal variation based on an identified movement of the target tissue relative to at least a portion of a treatment field. Based on the calculated expected therapy dose and dose temporal variation, the gating module may determine whether to implement a gating technique for the proposed treatment plan and/or the dose rate adjustment module may determine whether to adjust the dose rate of the proposed treatment plan.2009-02-26
20090052624CONVERSION APPARATUS, RADIATION DETECTING APPARATUS, AND RADIATION DETECTING SYSTEM - A conversion apparatus of the present invention includes a pixel region in which a plurality of pixels are arranged. The pixels are including the switching elements and the conversion elements. The pixel region includes a switching element region in which the plurality of switching elements are arranged in row and column directions, and a conversion element region in which the plurality of conversion elements are arranged in row and column directions. A plurality of signal wirings are including a second metal layer, and connected to the plurality of switching elements of the column direction. Bias wirings are including a fourth metal layer, and connected to the plurality of conversion elements. An external signal wiring is including the first metal layer outside the pixel region, and connected to the signal wirings. The external signal wiring and the bias wiring intersect each other.2009-02-26
20090052625DEVICE FOR SWITCHING/GENERATING X-RAYS FOR DIAGNOSIS AND CURING - There is disclosed a device including: an electron beam generation device 2009-02-26
20090052626X-RAY TUBE AND NONDESTRUCTIVE INSPECTION EQUIPMENT - In an X-ray tube 2009-02-26
20090052627SYSTEM AND METHOD FOR COLLECTING BACKSCATTERED ELECTRONS IN AN X-RAY TUBE - A system and method for collecting backscattered electrons within a substantially evacuated vessel containing both an electron-emitting cathode assembly and an electron-attracting anode assembly. The system and method comprises an electron collector assembly including a first plate, a second plate, an internal member, a fluid inlet, and a fluid outlet. The first plate is mounted within the vessel closest to the anode assembly. The second plate is mounted within the vessel closest to the cathode assembly. The internal member is positioned between the first plate and the second plate, and includes an internal conduit for conveying a heat absorbing cooling fluid therethrough.2009-02-26
20090052628TARGET FOIL FOR USE IN THE PRODUCTION OF [18F] USING A PARTICLE ACCELERATOR - The invention is directed to a novel foil for use as an entrance window foil during the production of [2009-02-26
20090052629Cassette - A cassette includes a main cassette body having a radiation detector for detecting radiation that has passed through a subject and converting the detected radiation into radiation image information, and a communication unit for wireless communications with a console. The communication unit is connected to the main cassette body by a cable and detachably mounted in a cradle part on said main cassette body.2009-02-26
20090052630Bed for capturing radiation image and radiation image capturing system - A radiation detecting cassette is disposed in a desired position between a bed and a patient in an operating room. After a detector-side connector and a bed-side connector are connected to each other by a cable, an image capturing apparatus captures and records radiation image information of the patient in a radiation detector. The recorded radiation image information is transmitted from a transceiver of the bed to a console by way of wireless communications, then processed by the console, and transmitted to a display device, which displays a radiation image based on the supplied radiation image information.2009-02-26
20090052631System and Method for Information Embedding and Extraction in Phantom Targets for Digital Radiography Systems - A system and method for embedding in a phantom target used in digital radiography systems information specific to the phantom target, such as serial number, phantom target type, precision landmarks, composition, physical properties of the dedicated targets and the like. The information is encoded and represented by small holes in the phantom target that can easily and unambiguously be detected by decoding-software acting on the radiation image of the phantom target. A look-up table or any other flexible data structure defines the functionality of the holes detected based on their image-location. Regions of interest can be located based on an internal coordinate system defined accurately by the sub-pixel position of the hole centres.2009-02-26
20090052632CENTER OFFICE WIDEBAND DEVICE WITH SELF-DETECTION FUNCTION AND DETECTING METHOD THEREOF - The present invention discloses a center office wideband device with a self-detection function and a method of detecting XDSL ports, where at least one control switch group is provided in the device. The respective XDSL center office ports are connected through the control switch group to outside lines with which remote user devices are connected, and the control switch group receives a control command transmitted from a control system within the device, disconnects any of the XDSL center office ports based upon the control command, and exchanges the outside lines with which two of the XDSL center office ports are connected. Through the control switch group, any of the XDSL center office ports is disconnected, or the outside lines with which two of the XDSL center office ports are connected are exchanged. Thus, upon locating a failed CO port, a normal port within an operative device may be used to replace a CPE with which the failed port is originally outside-connected, and it may be determined whether the failed port results from the port itself or the user side. It is possible to locate and judge the port failure quickly without an additional special test system, and hence the cost can be reduced.2009-02-26
20090052633METHOD AND APPARATUS FOR PROVIDING AUTOMATIC CRANKBACK FOR EMERGENCY CALLS - A method and apparatus for automating test procedures to determine if non-emergency signaling message processing errors impact emergency calls, e.g., E911 calls, are disclosed. In one embodiment, the present method alerts network engineers so that crankback procedures to alternative routes can be instituted when these E911 call impacting error conditions are detected in a network.2009-02-26
20090052634PROVIDING SPEAKER IDENTIFYING INFORMATION WITHIN EMBEDDED DIGITAL INFORMATION - A method of providing identifying information over a voice communications link can include receiving, from a call participant, a personal identification code over the voice communications link, determining identifying information for the call participant using the personal identification code, and encoding the identifying information of the call participant within a voice stream carried by the voice communications link. The voice stream and identifying information can be sent to a subscriber.2009-02-26
20090052635Method for Accessing Data Via Voice - A method for providing access to data via a voice interface. In one embodiment, the system includes a voice recognition unit and a speech processing server that work together to enable users to interact with the system using voice commands guided by navigation context sensitive voice prompts, and provide user-requested data in a verbalized format back to the users. Digitized voice waveform data are processed to determine the voice commands of the user. The system also uses a “grammar” that enables users to retrieve data using intuitive natural language speech queries. In response to such a query, a corresponding data query is generated by the system to retrieve one or more data sets corresponding to the query. The user is then enabled to browse the data that are returned through voice command navigation, wherein the system “reads” the data back to the user using text-to-speech (TTS) conversion and system prompts.2009-02-26
20090052636EFFICIENT CONVERSION OF VOICE MESSAGES INTO TEXT - A system and method for efficiently transcribing verbal messages transmitted over the Internet (or other network) into text. The verbal messages are initially checked to ensure that they are in a valid format and include a return network address, and if so, are processed either as whole verbal messages or split into segments. These whole verbal messages and segments are processed by an automated speech recognition (ASR) program, which produces automatically recognized text. The automatically recognized text messages or segments are assigned to selected workbenches for manual editing and transcription, producing edited text. The segments of edited text are reassembled to produce whole edited text messages, undergo post processing to correct minor errors and output as an email, an SMS message, a file, or an input to a program. The automatically recognized text and manual edits thereof are returned as feedback to the ASR program to improve its accuracy.2009-02-26
20090052637System and method for storing and reading answers and records of telephone voice via internet - In a system and a method for storing and reading answers and records of telephone voice via Internet, the system is built among a local telephone, a network device, a public switched telephone network (PSTN), an Internet, a server and a database. The network device is connected to the local telephone, PSTN and Internet. The server is connected to the network device via the Internet. If the local telephone and the PSTN establish a telephone connection, the network device will read a phone content and transmit and save the phone content to the server. If an incoming call is not picked up by the local telephone within a predetermined time or a predetermined number of rings, the network device will read a response content pre-stored in the server and reply the call via the PSTN, and transmit and store the message content transmitted from the PSTN to the server.2009-02-26
20090052638Provisioning Unified Messaging System Services - In a particular embodiment, a system includes a messaging system configured to provide a messaging service. The messaging system includes a centralized Internet Protocol switching network, an Internet access subsystem, a voice access subsystem, a mail subsystem and a storage subsystem. One or more of the subsystems may be coupled to the centralized Internet Protocol switching network via one or more communication links integrated with and internal to the messaging system.2009-02-26
20090052639Systems and Methods for Voicemail Avoidance - Systems and methods for voicemail avoidance are shown and described. The method can include issuing an invitation to an audio communications session to a first one of the end-points, receiving, in response to the invitation to a first one the end-points, an indication that the first end-point is available for the audio communication session and that the invitation to the first one of the end-points did not terminate with a voicemail service associated with the first one of the end-points, and issuing, in response to the indication, an invitation to join the audio communications session to a second one of the end-points.2009-02-26
20090052640Systems And Methods For At Least Partially Releasing An Appliance From A Private Branch Exchange - Systems and methods for partially releasing an appliance from a private branch exchange are shown and described. The method can include issuing a path replacement command to the private branch exchange, receiving a facility message from the private branch exchange destined for one end-point of a communications session, and transmitting the received facility message to another end-point of the communications session.2009-02-26
20090052641System and Method for Dynamic Call-Progress Analysis and Call Processing - A telephony application such as an interactive voice response (“IVR”) needs to identify quickly the nature of the call (e.g., whether it is a person or machine answering a call) in order to initiate an appropriate voice application. Conventionally, the call stream is sent to a call-progress analyzer (“CPA”) for analysis. Once a result is reached, the call stream is redirected to a call processing unit running the IVR according to the analyzed result. The present scheme feeds the call stream simultaneous to both the CPA and the IVR. The CPA is allowed to continue analyzing and outputting a series of analysis results until a predetermined result appears. In the meantime, the IVR can dynamically adapt itself to the latest analysis results and interact with the call with a minimum of delay.2009-02-26
20090052642VOICE AND DATA EXCHANGE OVER A PACKET BASED NETWORK WITH AGC - A signal processing system which discriminates between voice signals and data signals modulated by a voiceband carrier. The signal processing system includes a voice exchange, a data exchange and a call discriminator. The voice exchange is capable of exchanging voice signals between a switched circuit network and a packet based network. The signal processing system also includes a data exchange capable of exchanging data signals modulated by a voiceband carrier on the switched circuit network with unmodulated data signal packets on the packet based network. The data exchange is performed by demodulating data signals from the switched circuit network for transmission on the packet based network, and modulating data signal packets from the packet based network for transmission on the switched circuit network. The call discriminator is used to selectively enable the voice exchange and data exchange.2009-02-26
20090052643VOICE CONFERENCE APPARATUS, VOICE CONFERENCE SYSTEM AND METHOD FOR REALIZING A VOICE CONFERENCE - A voice conference apparatus consists of at least one base conference block having three or more signal ports, each including an input for a digitalized voice signal and an output for a digitalized voice signal, wherein a base conference block is configured such that, at a signal port, optionally a terminal or another base conference block may be coupled up using a coupler for the realization of a voice conference apparatus extended with respect to the number of participants or in terms of space, and wherein a base conference block is configured to enable a voice conference among the terminals or base conference blocks coupled thereto, and a remote coupler configured to couple a base conference block with at least one other spatially remote base conference block in order to enable a spatially extended voice conference. A voice conference system may be composed of at least two spatially separate voice conference apparatuses and is structured in a decentralized and modular way and is flexibly extensible.2009-02-26
20090052644Programmable caller ID - Methods and systems are disclosed for providing Programmable Caller ID Screening services. One method monitors a telephone call for a call screening request for commercial, residential, and other identifiers of incoming calls. An action is taken in response to the call screening request. The action could be playing an announcement, terminating the connection, forwarding to voice mail, storing the ICLID information in a database, adding the ICLID information to a Do Not Call list, updating a subscriber's profile with the ICLID information, and/or storing the ICLID information in a subscriber's blocked communications list. The call screening request may comprise a Dual-Tone Multi-Frequency, a softkey entry, and/or a data message. Subsequent incoming calls from the calling telephone number are characterized as undesirable and are screened from alerting or otherwise establishing a communications connection to the called telephone number.2009-02-26
20090052645TELECONFERENCE SYSTEM WITH PARTICIPANT FEEDBACK - A method, medium and implementing processing system are provided for facilitating teleconference-based meeting moderation by the addition of a “live feedback” feature, with instrumentation such as by means of an instant messaging systems when instant messaging conference systems equipped with this feature are used to supplement teleconferences, the participants provide instant feedback (anonymously, if desired) to the meeting moderator. The audience can let the moderator know their valuation of the current discussion. Based on feedback, the moderator can take appropriate action, such as to steer the conversation into areas that will be received favorably by the meeting participants.2009-02-26
20090052646Automatic Conferencing System - A method for automatically commencing a conference call includes a computer that is connected to a telephone network. The computer automatically calls telephone numbers of conferees at a scheduled time and date and conferences together the conferees who answer their telephones. The telephone numbers and the time and date of the scheduled conference call are inputted to the computer prior to the conference call. The computer may connect conferees to one another automatically as soon as the conferees answer their telephones. Optionally, the computer may connect the conferees to one another only after the conferees choose to be connected.2009-02-26
20090052647Key word programmable caller ID - Methods and systems are disclosed for providing Key Word Programmable Caller ID Screening services. One method monitors a telephone call for a key word call screening request. The telephone call is from a calling telephone number to a called telephone number. An action is taken in response to the key word call screening request. The action could be playing an announcement, terminating the connection, forwarding to voice mail, storing, adding, updating, and or blocking incoming communications matching the ICLID information and/or subscriber identified alphanumeric information. The call screening request may comprise a Dual-Tone Multi-Frequency, a softkey entry, and/or a data message. Subsequent incoming calls from the calling telephone number are characterized as undesirable and are screened from alerting or otherwise establishing a communications connection to the called telephone number.2009-02-26
20090052648Method for Protecting Against Undesired Telephone Advertising in Communication Networks - A first list and a second list of identifications are established, with which a telemarketing advertisement or no undesirable telemarketing advertisement is expected. The identification of the caller an incoming call is compared to the identifications in the list. If the identification of the call is not found in the lists, the call is routed to a call processing which enables the reception of a telemarketing advertisement to ascertained and, based on the result of that determination, the lists are correspondingly updated. The calls for which the identification of the caller is recorded in the second list are routed to the called party and the calls for which the identification of the caller is recorded in the first list are rejected. Such protection against telemarketing is particularly efficient in the context of an industrial operation with numerous human resources and for lines on which several calls can be simultaneously carried.2009-02-26
20090052649METHOD AND SYSTEM FOR ENABLING ORIGINATING AND DESTINATION TELEPHONES TO CONDUCT A CALL SESSION - A method for enabling originating and destination telephones to conduct a call session through an intermediary telephone includes the following steps: (A) enabling the originating telephone to send a query request to the intermediary telephone so as to search the intermediary telephone for contact information of the destination telephone; and (B) if the contact information of the destination telephone is available in the intermediary telephone, enabling the originating telephone to conduct the call session with the destination telephone using the contact information in the intermediary telephone. Applications of the method are also disclosed.2009-02-26
20090052650Rapid Response To User Input at a Telecommunications Terminal - An apparatus and methods are disclosed for use by organizations that have PBXs at a plurality of sites. The invention pertains to cell phone calls from an affiliated terminal to her “home” private branch exchange. For example, an employee who works at the Chicago branch office might call the Chicago office's PBX to invoke a feature such as setting up call forwarding, retrieving voice mail, etc. Such calls might be automatically and transparently directed to another PBX when it is advantageous to do so. In the illustrative embodiment, the need or desirability to redirect such calls to another PBX is ascertained while the caller is still in the process of entering all of the required calling information. The effect of assessing whether to redirect the call in parallel with the caller entering the information is to reduce the delays otherwise experienced by the caller when placing calls outside of the enterprise area served by the home private branch exchange.2009-02-26
20090052651COMMUNICATION CONTROL SYSTEM, CALL CONTROL SERVER, AND COMMUNICATION CONTROL METHOD - A call control server establishes a connection between a first terminal agent and a second terminal agent, as an existing call. When a first real terminal device included in a first terminal group has accepted a transfer request, the call control server transmits existing-call terminal & media notification data to a second real terminal device included in a second terminal group. The second real terminal device clearly shows a user at the transfer destination the difference between media available in the second terminal group and the media involved in the existing call, and accepts from the user a designation of media to be employed in a transferred call. The call control server establishes a connection between a third real terminal device included in a third terminal group and a real terminal device included in the second terminal group, as the transferred call, in accordance with the designated media.2009-02-26
20090052652Methods, Systems, and Products for Ring Suppression - Systems and methods for second call during ring suppression are disclosed. After a communications device receives a first incoming call, the ringer is activated to produce an initial audible alert and thereafter, the ringer of the communications device is suppressed for subsequent audible alerts according to a timed ring suppression profile. Thereafter, a secondary incoming call is routed to the communications device and the ringer is activated to provide notification of the secondary incoming call while the first call is suppressed.2009-02-26
20090052653TELEPHONE DEVICE, TELEPHONE LINE MONITORING DEVICE AND METHOD - A telephone line monitoring device is connected to a telephone line and adjacent to a telephone device using the telephone line. The telephone line monitoring device includes a rectifying circuit for generating a corresponding direct current voltage according to an effective voltage of the telephone line; a first controller for generating a first control signal when the direct current voltage is lower than a predetermined voltage; a second controller for detecting an operating state of the telephone device and generating a second control signal when the telephone device is operated; a load booster for pulling down the effective voltage of the telephone line when enabled; and a first switch circuit for disabling the load booster whenever receiving the second control signal, and enabling the load booster when receiving the first control signal while not receiving the second control signal. A monitoring method and a telephone device are also provided.2009-02-26
20090052654PROTECTIVE COVER FOR PORTABLE COMMUNICATION DEVICE - A protective cover for a portable communication device includes a battery cover and a protective cover part coupled with the battery cover. The protective cover is detachably coupled with the portable communication device, and the protective cover part is disposed at a front surface of a display unit part of the portable communication device when the protective cover is coupled with the portable communication device. The portable communication device being turned off/on when the portable communication device is attached to/detached from the protective cover.2009-02-26
20090052655Method for Encryption and Decryption - It is described a method of encrypting digital information in a sender and decrypting said digital information in a receiver, where said sender and receiver agree on a block of a working key. First a sender generates a secret padding code. Said sender combines said digital information with the said secret padding code to produce a block of padded plaintext. Then, said sender computes encrypted information by applying a triangular encryption function. The sender transmits said encrypted information to said receiver, where the receiver decrypts said encrypted information received from said sender by applying a triangular decryption function, and then the receiver unpads said digital information by removing said secret padding code from the blocks of plaintext.2009-02-26
20090052656Method and System for Block Cipher Encryption - A method of encrypting a block of data, is described, the method including providing a combining unit operative to combine a key with a block of data, the block of data expressed as a block of bits, providing a mix and condense unit operative to mix bits included in the block of bits among themselves, receiving an input including the block of data expressed as the block of bits, combining, at the combining unit, the block of bits with a key, and mixing, at the mixing and condensing unit, the combined block of bits, wherein the mix and condense unit includes a plurality of layers, each layer among the plurality of layers including a plurality of mini-functions. Related apparatus and methods are described.2009-02-26
20090052657Method for Scalar Multiplication in Elliptic Curve Groups Over Binary Polynomial Fields for Side-Channel Attack-Resistant Cryptosystems - A method for transforming data with a secret parameter in an elliptic curve cryptosystem based on an elliptic curve defined over an underlying binary polynomial field, includes multiplying a point of the elliptic curve, and representing the data to be transformed by a scalar representing the secret parameter, wherein the multiplying includes performing at least one point addition operation and at least one point doubling operation on points of the elliptic curve. The point addition operation includes a first sequence of elementary field operations, and the point doubling operation includes a second sequence of elementary field operations, both the first and the second sequences of elementary field operations including a field inversion of coordinates of the elliptic curve points. A representation of the elliptic curve points in affine coordinates is provided and the first and second sequences of elementary field operations are balanced. The field inversion of coordinates is performed by the extended Euclidean algorithm and the balancing includes balancing the extended Euclidean algorithm by adding at least one dummy operation.2009-02-26
20090052658DESCRAMBLING CIRCUIT, ERROR DETECTION CODE CALCULATING CIRCUIT AND SCRAMBLING CIRCUIT - A descrambling circuit includes three or more scramble value generators, each configured to generate a new scramble value by a formula at a state of shifting number of times different from each other by every eight bits based on a predetermined generator polynomial, a scramble value generated by the generator polynomial, and a descramble unit configured to descramble partially discontinuous scrambled input data by using the scramble values generated by the three or more scramble value generators.2009-02-26
20090052659METHOD AND APPARATUS FOR GENERATING AN ADVANCED ENCRYPTION STANDARD (AES) KEY SCHEDULE - An Advanced Encryption Standard (AES) key generation assist instruction is provided. The AES key generation assist instruction assists in generating round keys used to perform AES encryption and decryption operations. The AES key generation instruction operates independent of the size of the cipher key and performs key generation operations in parallel on four 32-bit words thereby increasing the speed at which the round keys are generated. This instruction is easy to use in software. Hardware implementation of this instruction removes potential threats of software (cache access based) side channel attacks on this part of the AES algorithm.2009-02-26
20090052660Method For Encrypting And Decrypting Instant Messaging Data - This invention provides a method for encrypting and decrypting Instant Messaging data. A client encrypts Instant Messaging data using a data encryption key and transmits the data encryption key to a server; the server encrypts the data encryption key using a uniform server key and transmits the encrypted data encryption key to the client. When the server needs to assist with decryption, the client transmits to the server a data encryption key encrypted using a uniform server key; the server acquires the data encryption key and transmits it to the client; the client decrypts Instant Messaging data locally stored using the data encryption key. By embodiments of this invention, server doesn't need to store one key for encrypting and decrypting data encryption key for each client, only needs to store a uniform server key, thereby saving storage spaces of server, and reducing the burden of server performing encrypting and decrypting.2009-02-26
20090052661REDUCED HIERARCHY KEY MANAGEMENT SYSTEM AND METHOD - A controller receives an encrypted media stream (“EMS”) and an identifier indicative of a selected content key from a headend. The EMS is encrypted with an encryption key and can be decrypted with a corresponding decryption key which is determinable from the selected content key. The controller receives indexes and content keys from the headend prior to receiving the EMS. Each index respectively corresponds to an identifier with one index corresponding to the identifier indicative of the selected content key. The content keys correspond to the indexes with one content key corresponding to the index corresponding to the identifier indicative of the selected content key. The controller selects the index corresponding to the identifier indicative of the selected content key upon receiving the EMS, determines the selected content key from the selected index, determines the decryption key from the selected content key, and decrypts the EMS with the decryption key.2009-02-26
20090052662METHOD AND SYSTEM FOR A RECURSIVE SECURITY PROTOCOL FOR DIGITAL COPYRIGHT CONTROL - Systems and methods are described which utilize a recursive security protocol for the protection of digital data. These may include encrypting a bit stream with a first encryption algorithm and associating a first decryption algorithm with the encrypted bit stream. The resulting bit stream may then be encrypted with a second encryption algorithm to yield a second bit stream. This second bit stream is then associated with a second decryption algorithm. This second bit stream can then be decrypted by an intended recipient using associated keys.2009-02-26
20090052663METHODS FOR CREATING SECRET KEYS BASED UPON ONE OR MORE SHARED CHARACTERISTICS AND SYSTEMS THEREOF - A method and system for generating one or more keys includes obtaining at two or more devices data based on movement of at least one of the devices with the respect to the other device. At least one key is generated based on the obtained data at each of the devices for use in securing communications between the devices. The key at each of the devices is substantially the same.2009-02-26
20090052664Bulk Data Erase Utilizing An Encryption Technique - Disclosed is a method for eliminating access to data on removable storage media of a removable storage media cartridge. A key is stored on the removable storage media cartridge, such that data on the removable storage media is accessible with the key. Upon receiving a command to eliminate access to data on the removable storage media the key is shredded such that access to data on the removable storage media is eliminated.2009-02-26
20090052665Bulk Data Erase Utilizing An Encryption Technique - A system and a computer program product are disclosed for eliminating access to data on removable storage media of a removable storage media cartridge. The system comprises a data storage drive that stores a key on the removable storage media cartridge, such that data on the removable storage media is accessible with the key. Upon receiving a command to eliminate access to data on the removable storage media the data storage drive shreds the key such that access to data on the removable storage media is eliminated.2009-02-26
20090052666VARIABLE DATA ENCRYPTION OF CHARACTERS PRINTED OR DISPLAYED ON SCREEN, WHICH MAY BE EMBEDDED IN PHOTOS, IMAGES, DRAWINGS, ILLUSTRATIONS, LOGOS OR FIGURES, FOR SECURITY PURPOSES - It is a source of security digital characters, incomprehensible to the naked eye, which can only be identified when the transparent substrate (acrylic, plastic or another material) is placed over the substrate on which they were printed (paper, PVC, polyester, film or others), or over the screen where they are displayed (CRT, LCD, plasma, acrylic or others), and the characters that are unreadable characters may be embedded or may be part of photos, images, drawings, illustrations, logos or figures, and the transparent base contains the remaining and complementary parts of the characters already printed or displayed on the screen, in a manner that their combination with the characters printed or displayed on the screen reveals them or make them comprehensible and identifiable, being that each substrate, described thus, may reveal or make comprehensible a series of documents containing these sources printed or displayed on the screen, or may even reveal and make the characters printed or displayed on the screen comprehensible from a single document containing these sources, in a manner that these characters make up a single-valued and reciprocal match with the transparent substrate, and in the latter case, both the printed characters or characters displayed on the screen, and the transparent substrate are created exclusively for one another.2009-02-26
20090052667NEAR FIELD REGISTRATION OF HOME SYSTEM AUDIO-VIDEO DEVICE - A near field communication (NFC) sticker which stores a key is attached to a new client device. A remote commander in a home network reads the key using a NFC interface and IR-transmits it to a home network server. Once the client is connected to the network, it encrypts its own device information with the key and sends the encrypted information to the server, which decrypts the data with the key sent from the remote commander. In this way, client device registration is executed easily and securely.2009-02-26
20090052668METHOD FOR PROVIDING A VIDEO SIGNAL AND DESCRAMBLE CARD AND VIDEO APPARATUS USING THE SAME - A method for providing a video signal, and a descramble card and a video apparatus using the same are disclosed. The video apparatus includes a first interface which receives a scrambled video signal, and outputs the scrambled video signal, a second interface which transmits the scrambled video signal to a storage medium connected with the video apparatus, and a controller which controls the first interface to transmit the scrambled video signal to the second interface. Accordingly, a personal video recorder (PVR) function is provided to a premium broadcast content.2009-02-26
20090052669METHOD AND SYSTEM FOR DISASTER RECOVERY OF DATA FROM A STORAGE DEVICE - Aspects of the invention provide a method and system for securely managing the storage and retrieval of data. Securely managing the storage and retrieval of data may include receiving a first disaster recovery code and acquiring a first password corresponding to the first disaster recovery code. A first disaster recovery key may be generated based on the first disaster recovery code and the first password. Another aspect of the invention may also include generating the received first disaster recovery code based on said first password and the first disaster recovery key. The generated disaster recovery code may be securely stored on at least a portion of a storage device or a removable media. Data stored on the storage device may be encrypted using the first generated disaster recovery key. Additionally, data read from the storage device may be decrypted using the generated first disaster recovery key.2009-02-26
20090052670METHOD AND APPARATUS FOR STORING DIGITAL CONTENT IN STORAGE DEVICE - Disclosed are a method and apparatus for storing digital content in a storage device. A content key, which is a key used by a host for encrypting content when the content is stored to a storage device connected to the host, is encrypted by using a storage key of the storage device. The encrypted content key and encrypted content are stored in the storage device, and the host only stores storage keys. Thus, quantity of information maintained by the host can be reduced. Also, when a storage key is stored in a portable security component (PSC), portability and mobility of content bound to a single host may be improved.2009-02-26
20090052671SYSTEM AND METHOD FOR CONTENT PROTECTION - The invention provides a system and method for content protection. A system in accordance with an embodiment includes a media center connectable to a mobile master memory unit associated with an identifier, the media center including: a protection key; storage means for storing files identified by respective file identifiers; a processing unit comprising file encryption for encrypting each file before storage, using a title key computed from the protection key of the media center and for encrypting the title key using the protection key of the master storage device and the identifier of the master memory unit, the master storage device being further provided to write the encrypted title key in association with the corresponding file identifier to the master memory unit.2009-02-26
20090052672SYSTEM AND METHOD FOR PROTECTION OF CONTENT STORED IN A STORAGE DEVICE - The invention provides a system and method for content protection. A system according to an embodiment includes a media center connectable to a mobile secure and protection keyring associated with an identifier and with a media Key block MKB. The media center includes: a unique identifier identifying the media center MC_UID, a set of device keys DK; storage means for storing files identified by respective file identifiers; and a processing unit comprising file encryption means for encrypting each file before storage in the storage means, using a title key (Kt) computed from the identifier MC_UID of the media center and for encrypting the title key Kt from the set of device keys DK of the media center, and from the identifier and the media key block MKB of the mobile secure and protection keyring, the media center being further provided to write the encrypted title key (eKt) in association with the file identifier of the file to the mobile secure and protection keyring.2009-02-26
20090052673METHOD AND APPARATUS FOR DECODING BROADBAND DATA - The invention relates to a method for decrypting encrypted broadband data by one or more authorised users comprising the following steps: provision of the encrypted broadband data (2009-02-26
20090052674KEY DISTRIBUTION CONTROL APPARATUS, RADIO BASE STATION APPARATUS, AND COMMUNICATION SYSTEM - A key distribution control apparatus, a radio base station apparatus and a communication system for improving security. A communication system (2009-02-26
20090052675SECURE REMOTE SUPPORT AUTOMATION PROCESS - Secure Remote Support Automation Process wherein a remote support server receives a support task request and schedules a predefined task to a predefined actor who also has a predefined escalation policy and notifies the support actor of the scheduled task along with a key, a key seed, or a credential to use in authentication. The method enabling privileged access to an Internet security appliance using public/private key pairs through a firewall and network address translation by a support server and an assigned support task actor.2009-02-26
20090052676Phase decorrelation for audio processing - A system for decorrelating audio data is provided. The system includes a noise generator generating a random noise signal. A phase shift system receives an input channel of audio data and the random noise signal and generates a phase shifted channel of audio data having a phase shift based on the random noise signal.2009-02-26
20090052677SOUND MONITORING, DATA COLLECTION AND ADVISORY SYSTEM - A sound monitoring system and method. The system can include a plurality of sound pressure level meters, a plurality of sound level indicators and a server connected by a network. The sound pressure level meters measuring a sound level at their location, and the sound level indicators providing a visual indication of the sound level measured by at least one of the sound pressure level meters. The system devices can be powered, as well as monitored and controlled remotely over the network. A user interface enables constructing and monitoring multiple zones and groups in a monitored area, as well as reviewing real-time and historical sound data. The system can also control lighting in the monitored area, and use lighting as a visual indicator of noise level.2009-02-26
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