03rd week of 2009 patent applcation highlights part 31 |
Patent application number | Title | Published |
20090016441 | CODING METHOD AND CORRESPONDING CODED SIGNAL - The invention relates to a coding method applied to digital video data available in the form of a video stream consisting of consecutive frames. These frames, divided into macroblocks, include at least I-frames, independently coded, or P-frames, temporally disposed between said I-frames and predicted from at least a previous I- or P-frame, or B-frames, temporally disposed between an I-frame and a P-frame, or between two P-frames, and bidirectionally predicted from at least these two frames between which they are disposed, said predictions of P- and B-frames being performed by means of a weighted prediction with unequal amount of prediction from the past and the future. According to the invention, this coding method comprises the following steps: a structuring step, provided for capturing coding parameters characterizing the said weighted prediction; a computing step, for delivering statistics related to said parameters; an analyzing step for determining a change of preference regarding the direction of prediction; a step provided for detecting the occurrences of gradual scene changes; a step provided for generating description data of said occurrences; and a step for encoding the description data thus obtained and the original digital video data. | 2009-01-15 |
20090016442 | Deblocking digital images - Techniques for deblocking digital images or frames are disclosed. According to one aspect of the present invention, a blurring process is configured to modify pixels on the blocking boundaries based on surrounding pixels in a region that is adaptively calculated. The deblocking process is particularly useful in compression standards that operate on variable blocks. The deblocking process can be used as postprocessing or implemented as an in-line deblocker. | 2009-01-15 |
20090016443 | INTER MODE DETERMINATION METHOD FOR VIDEO ENCODING - The present invention relates to a method for a video encoder to determine an inter mode. The video encoder selects first search modes by using optimized inter mode information of a correlation macroblock having the same position as a current macroblock in a previous frame, in order to determine the inter mode. The video encoder compares a rate-distortion cost of the correlation macroblock and a rate-distortion cost of the mode that is selected as the minimum cost mode from among the first search modes, and determines whether to terminate an inter mode determination process early. When the early termination condition is satisfied, the video encoder determines the search mode having the minimum rate-distortion cost from among the first search modes as the optimized inter mode of the current macroblock, and terminates the inter mode determination process early. When the early termination condition is not satisfied, the video encoder selects second search modes to additionally perform an inter prediction process, and determines the corresponding search mode having the minimum rate-distortion cost as the optimized inter mode of the current macroblock. | 2009-01-15 |
20090016444 | METHOD AND APPARATUS FOR MASKING OF VIDEO ARTIFACTS AND/OR INSERTION OF FILM GRAIN IN A VIDEO DECODER - A video decoder comprising a first comfort noise addition block and a second comfort noise addition block. The first comfort noise addition block may be configured to (i) add comfort noise to luminance data and (ii) adjust a distribution of the comfort noise added to the luminance data. The second comfort noise addition block may be configured to (i) add comfort noise to chrominance data and (ii) adjust a distribution of the comfort noise added to the chrominance data. The first and the second comfort noise addition blocks may be integrated into a video output path of the video decoder. The distribution of the comfort noise added to the luminance data and the distribution of the comfort noise added to the chrominance data may be adjusted independently. | 2009-01-15 |
20090016445 | EARLY RENDERING FOR FAST CHANNEL SWITCHING - The disclosure relates to techniques for switching between channels of digital multimedia content. In particular, a decoding device decodes and renders to a display at least one frame of a segment of data prior to receiving the entire segment. In certain aspects, the decoding device may render one of the frames of the segment and freeze the rendered frame until the decoding device receives all of the frames of the segment. In other aspects, the decoding device may render frames of one or more segments at a reduced rendering rate until the receiving and rendering operations of decoding device are synchronized such that the rendering of the current segment occurs at substantially the same time as the receiving of the next segment. By rendering at least frame prior to receiving the entire segment the decoding device more quickly displays content to a user during a channel switching event. | 2009-01-15 |
20090016446 | METHOD AND APPARATUS FOR SIGNALING AND DECODING AVS1-P2 BITSTREAMS OF DIFFERENT VERSIONS - Aspects of a method and system for signaling and decoding AVS1-P2 bitstreams of different versions are provided. A sequence user data indicating decoding version information such as a decoding version identifier, for example, may inserted into an AVS1-P2 bitstream. The decoding version information may be, for example, AVS1-P2 Rm52j_r1 or AVS1-P2. The AVS1-P2 bitstream may be decoded based on the decoding version information. The sequence user data may be inserted in the AVS1-P2 bitstream during AVS encoding or during AVS1-P2 bitstream transcoding. Upon receiving the AVS1-P2 bitstream, the sequence user data may be detected and extracted to determine the decoding version information. The received encoded AVS1-P2 bitstream may be decoded based on the decoding version information. When no specific decoding version information can be decided, default decoder version information may be used by the video decoder. | 2009-01-15 |
20090016447 | Method and Apparatus for Packet Loss Detection and Virtual Packet Generation at SVC Decoders - Packetized video data with a base-layer and at least one enhancement-layer organized in a GOP structure may contain packet loss errors. A method for detecting such errors comprises the steps of reading header information relating to a layer, generating a scheme or selecting a predefined scheme according to said header information, the scheme comprising display order number, number of reference frames and temporal level for the frames of the respective layer, extracting from received video data frames display order number, number of reference frames and temporal level parameters, and detecting that one or more frames or packets are missing, wherein the received parameters are compared with the parameters of expected frames according to said scheme and a missing packet or frame is determined by a mismatch between received and expected parameters. | 2009-01-15 |
20090016448 | INFORMATION REPRODUCING APPARATUS, AND BUFFER CONTROL METHOD AND PROGRAM - A picture start code detecting section | 2009-01-15 |
20090016449 | Providing placement information to a user of a video stream of content to be overlaid - Providing placement information for content to be overlaid on a video stream. A video stream is received which comprises subject matter. A value corresponding to the subject matter in the video stream is received. The value is coupled with the video stream such that the value can be utilized to generate placement information for the content to be overlaid on the video stream. | 2009-01-15 |
20090016450 | IN-LOOP DEBLOCKING-FILTERING METHOD AND APPARATUS APPLIED TO VIDEO CODEC - An in-loop deblocking-filtering method applied to a video CODEC is provided. The method includes steps of: receiving a macroblock of pixel values outputted from a motion-compensating unit; dividing the macroblock of pixel values into a plurality of block of pixel values, and executing a data-transpose procedure to the plurality of blocks of pixel values; storing the plurality of block of pixel values, which are processed by the data-transpose procedure, in a memory buffer; executing a horizontal deblocking-filtering procedure to the macroblock of pixel values, which are stored in the memory buffer, for updating a portion of the pixel values in the macroblock; executing the data-transpose procedure to the plurality of block of pixel values stored in the memory buffer; and executing a vertical deblocking-filtering procedure to the macroblock of pixel values, which are stored in the memory buffer, for updating a portion of the pixel values in the macroblock. | 2009-01-15 |
20090016451 | Method and Apparatus for Performing Motion Compensated Temporal Filtering in Video Encoding | 2009-01-15 |
20090016452 | BLOCKING FOR COMBINATORIAL CODING/DECODING FOR ELECTRICAL COMPUTERS AND DIGITAL DATA PROCESSING SYSTEMS - Embodiments described herein may include example embodiments of a method, article and apparatus for compressing data utilizing combinatorial coding which may be used for communicating between two or more components connected to an interconnection medium (e.g., a bus) within a single computer or digital data processing system, and/or for communication between computing platforms via a network or other interconnection medium. | 2009-01-15 |
20090016453 | COMBINATORIAL CODING/DECODING FOR ELECTRICAL COMPUTERS AND DIGITAL DATA PROCESSING SYSTEMS - Embodiments described herein may include example embodiments of a method, article and apparatus for compressing data utilizing combinatorial coding which may be used for communicating between two or more components connected to an interconnection medium (e.g., a bus) within a single computer or digital data processing system, and/or for communication between computing platforms via a network or other interconnection medium. | 2009-01-15 |
20090016454 | TIME DE-INTERLEAVER IMPLEMENTATION USING AN EMBEDDED DRAM IN A TDS-OFDM REC - A receiver having a de-interleaver with a processor for processing interleaved data; and a built-in eDRAM coupled to the processor for processing the interleaved data is provided. | 2009-01-15 |
20090016455 | Robust channel estimation for wireless systems - The present invention relates to a method, apparatus, and computer program product, wherein frequency co-variances or correlations of a measured power delay profile or frequency correlation function are estimated at two different non-zero sub-carrier lags of an orthogonal frequency division multiplexing channel. A ratio of squared magnitudes of the two estimated frequency co-variances is calculated and a delay spread or coherence bandwidth of said channel is estimated based on the calculated ratio. | 2009-01-15 |
20090016456 | Method and apparatus for reuse of wan infrastructure resources in a wireless peer-to-peer (P2P) network - To make efficient use of a frequency spectrum, a peer-to-peer network shares a wide area network (WAN) frequency spectrum as well as a time-frequency structure of the WAN, where the time-frequency structure includes a set of tones and symbols. A first wireless terminal monitors the time-frequency structure of the WAN to determine which subsets of tone-symbols are unused for WAN and/or other peer-to-peer connections. Then, the first wireless terminal selects and uses an unused subset of tone-symbols within the time-frequency structure for its peer-to-peer connection with a second wireless terminal. | 2009-01-15 |
20090016457 | Apparatus and method for generating effective signal to noise ratio (SNR) per stream in multiple-input multiple-output (MIMO) wireless communication system - A multiple-input multiple-output (MIMO) wireless communication system includes a first calculator for calculating pairwise error rates (PERs) for each modulation scheme combination which comprise elements smaller than or equal to receive antennas in number; a second calculator for calculating symbol error rates (SERs) for the each modulation scheme combination using the PERs; a converter for converting the SERs to effective signal to noise ratios (SNRs); and a determiner for determining one among sets of effective SNR per stream acquired from the modulation scheme combinations, as a final effective SNR per stream. | 2009-01-15 |
20090016458 | TRANSFERRING DOCSIS FRAMES USING A LABEL SWITCHING NETWORK - In one embodiment, label distribution sessions are established between a Modular Cable Modem Termination System (M-CMTS) core and one or more remote PHYs. The label distribution sessions facilitate association of labels with either Radio Frequency (RF) channels or groups of the RF channels that extend from the remote PHYs to one or more cable modems. The labels are then used to facilitate communications between the M-CMTS core and the remote PHYs over a MultiProtocol Label Switching (MPLS) network. | 2009-01-15 |
20090016459 | USING CODEWORDS IN A WIRELESS COMMUNICATION SYSTEM - Systems, methodologies, and devices are described that can facilitate bandwidth efficient non-coherent signaling for uplink control channel transmissions. A communication device (e.g., a mobile device, base station) can be configured to utilize or generate a set of complex orthogonal codewords to facilitate transmission of control channel information using non-coherent signaling in a bandwidth efficient manner. A complex orthogonal codeword set can comprise a first subset of codewords where such codewords have a desirable cross-correlation property and another subset(s) of codewords that can include expurgated codewords, where the expurgated codewords can include discarded codewords and/or codeword pairs that produce a worst-case cross-correlation property. The codeword set and subsets are determined based at least in part on a predefined codeword criterion. A portion of the discarded codewords can be used for other purposes, such as erasure decoding, interference-level estimation, and/or multi-mode control channel operation. | 2009-01-15 |
20090016460 | Apparatus and method for beamforming with limited feedforward channel in multiple input multiple output wireless communication system - An apparatus and method are provided for beamforming in a MIMO wireless communication system. A base station includes a first calculator that repeatedly calculates downlink beamforming vectors of the user terminals to calculate the optimal beamforming vectors for the user terminals, a quantizer that quantizes the downlink beamforming vectors in order to transmit information of the downlink beamforming vectors, a control channel transmitter that feeds forward information of the quantized downlink beamforming vectors to the user terminals, a second calculator that calculates the final downlink beamforming vectors of the user terminals, and a beamforming transmitter that sums the beamformed TX signals of the user terminals and transmits the summed TX signals through a plurality of TX antennas. | 2009-01-15 |
20090016461 | BASE STATION AND MIMO-OFDM COMMUNICATION METHOD THEREOF - When performing communication with a mobile station using MIMO-OFDM communication, a base station uses multiple input multiple output (MIMO) communication, which is multiple data stream transmission, to transmit data and pilot signals in a case where the communication environment of the mobile station is good, or uses single input multiple output (SIMO) communication, which is single data stream transmission, in a case where the communication environment of the mobile station is poor. When performing that SIMO communication, the base station performs control so that pilot signals from a specified cell that are used in channel estimation in single data stream transmission and pilot signals from adjacent cells that are used in channel estimation in single data stream transmission do not overlap in the frequency direction and/or time axis direction. | 2009-01-15 |
20090016462 | Field bus application comprising several field devices - In a fieldbus application with multiple field devices, in addition to a fieldbus serving as a wire-based communication network (CN | 2009-01-15 |
20090016463 | METHOD FOR TRANSMITTING CHANNEL STATE INFORMATION IN MULTIPLE ANTENNA SYSTEM - There is provided a method for transmitting channel state information in a wireless communication system. The method includes receiving a pilot signal, obtaining an estimated channel using the pilot signal, obtaining a plurality of bases representing the estimated channel, wherein a basis comprises a plurality of vectors and transmitting a representative vector as channel state information, wherein the representative vector is selected from the plurality of bases. | 2009-01-15 |
20090016464 | Method of and Generator for Generating Preamble Sequences in Communication Systems - A method forms a preamble sequence in a wireless communication system. The method comprises determining a value K related to a time-domain characteristic of the wireless communication system so that a time-domain preamble sequence includes a number of K waveforms similar in shape to one another having a linear phase shift, identifying a first preamble sequence for a first band, the first preamble sequence having a first length not dividable by K, identifying at least one second preamble sequence each for a second band, the at least one second preamble sequence having at least one second length, identifying the length of a third preamble sequence, the length of the third preamble sequence equal to a sum of the first length and the at least one second length, determining whether the time-domain characteristic is maintained when the one or more of the at least one second preamble sequence is concatenated with the first preamble sequence, modifying one or more of the at least one second preamble sequence if the time-domain characteristic is not maintained when concatenated, and forming the third preamble sequence by concatenating the first preamble sequence and the at least one second preamble sequence having one or more second preamble sequence modified. | 2009-01-15 |
20090016465 | Interference Suppression Method and Apparatus - A composite baseband signal includes a desired signal component modulated according to a first modulation scheme and an interfering signal component modulated according to a second modulation scheme. Information is recovered from the composite signal by applying a phase rotation associated with the second modulation scheme to the composite signal to generate a rotated signal. Based on the rotated signal, a channel model associated with the desired signal component and interference cancelling filter coefficients associated with the interfering signal component are generated. The rotated signal is filtered according to the interference cancelling filter coefficients to suppress the interfering signal component from the rotated signal. The filtered signal is equalized based on branch metrics derived from the channel model and symbol hypotheses rotated in accordance with a difference in phase rotations associated with the first and second modulations to recover information from the desired signal component. | 2009-01-15 |
20090016466 | Complex digital phase locked loop for use in a demodulator and method of optimal coefficient selection - A complex digital phase locked loop for use in a digital demodulator includes a phase detector for producing a phase error indicative of a difference in phase between a complex digital input signal and a complex digital feedback signal. The phase error is input to a controller, which multiplies the phase error by a gain factor selected to stabilize and optimize the phase locked loop and produces an output signal for use in extracting a frequency deviation present in the complex digital input signal. The output signal is also input to a numerically controlled oscillator that tracks the phase of the complex digital input signal based on the output signal and produces the complex digital feedback signal. | 2009-01-15 |
20090016467 | Noncoherent symbol clock recovery subsystem - A symbol clock recovery subsystem uses a tap delay line having a set of delays, uses a clock bank of samplers providing time-staggered sampled noncoherently received signals, and uses a set of mean magnitude generators, in channelized form, for providing a set of mean magnitudes to a maximum selector for selecting a maximum one of the time-staggered sampled received signals having the greatest signal to noise ratio so as to provide a signal effectively occurring at symbol epoch time for demodulating a symbol stream in a digital communication system receiver. | 2009-01-15 |
20090016468 | METHOD FOR ERROR COMPENSATION IN AN OFDM SYSTEM WITH DIVERSITY - A method provides for an improved compensation Fourier channel characteristics in a wireless communication embodiment. The method identifies one or more information carriers as pseudo pilot tones whose information may be realized to enhance the determination of the complex coefficient of the communication channel. | 2009-01-15 |
20090016469 | ROBUST JOINT ERASURE MARKING AND LIST VITERBI ALGORITHM DECODER - Joint erasure marking and list Viterbi algorithm (JELVA), decoder schemes, methods, and systems are provided which perform robust trellis decoder techniques and do not require an estimate of the impulsive noise distribution. Joint Erasure marking and Viterbi Algorithm (JEVA) is integrated with the list Viterbi algorithm (LVA) to form two-dimensional joint erasure marking and list Viterbi technique (2D JELVA) and switched JELVA technique. By combining the respective strengths of the JEVA and the LVA, the integrated decoding schemes are able to achieve significant performance gains over JEVA and achieve a wide range of performance-complexity-delay tradeoffs, according to system design considerations. The disclosed details enable various refinements and modifications according to decoder and system design considerations. | 2009-01-15 |
20090016470 | TARGETED MAXIMUM LIKELIHOOD ESTIMATION - A method for obtaining an estimator for a distribution pertaining to a dataset is provided. In an illustrative embodiment, the method includes obtaining a dataset; determining a question pertaining to the data; determining an initial estimator descriptive of a distribution of the data; and selectively modifying the initial estimator based on the question, yielding a targeted estimator in response thereto. In a more specific embodiment, selectively modifying the initial estimator includes applying an additional equation and/or a fluctuation function to the initial estimator to yield the targeted estimator, wherein the additional equation or fluctuation function parameter (ε) causes the initial estimator to fluctuate or change as a function of the parameter. The fluctuation function is chosen so that when the parameter ε is set to zero, the initial estimator is not fluctuated. The targeted estimator and a fluctuation function may be employed in an accompanying targeted Bayesian method that involves mapping a prior distribution of a target feature to a posterior distribution of the target feature. | 2009-01-15 |
20090016471 | Impulse Noise Detection and Mitigation In Receivers - Methods and apparatus, including computer program products, are provided for detecting and mitigating noise, such as impulse noise. In one aspect, there is provided a noise suppressor to determine a predicted value for a sample in a bit stream, the predicted value determined without regard to an average of the bit stream. The noise suppressor may also detect whether impulse noise is present based on a difference between the predicted value and the sample. The noise suppressor may also identify the sample as impulse noise to enable the sample to be replaced with another value. | 2009-01-15 |
20090016472 | METHOD AND APPARATUS FOR SIGNAL QUALITY ESTIMATION - A receiver ( | 2009-01-15 |
20090016473 | RECEIVED SIGNAL QUALITY DETERMINATION - A method of generating a received signal quality signal in a communication system, the method comprising: receiving a signal from a physical channel, extracting a transport channel format combination indicator from the received signal, processing one or more transport channel signals, contained in the received signal, in accordance with the extracted transport channel format combination indicator, said processing including at least channel decoding, and generating a received signal quality signal in dependence on the quality of the or each transport channel signal prior to channel decoding. | 2009-01-15 |
20090016474 | METHOD FOR SWITCHING A COMPONENT TO AN OPERATION MODE FOR REDUCING POWER CONSUMPTION IN A WIRELESS COMMUNICATION DEVICE - An embodiment of a method for switching to an operating mode a device comprising a counter counting the pulses number of a first clock and a date synchronized with an external reference date. | 2009-01-15 |
20090016475 | STEP TIME CHANGE COMPENSATION IN AN INDUSTRIAL AUTOMATION NETWORK - One or more embodiments provide Common Industrial Protocol (CIP) based time synchronization systems and methods. The CIP Sync solution can be part of Ethernet/IP and can be based on standard UDP (User Datagram Protocol) and/or IEEE 1588 (Time Synchronization) Ethernet technology. According to an embodiment is a system that compensates for step changes in a master clock. | 2009-01-15 |
20090016476 | Method for shifting a phase of a clock signal and memory chip using the same - A memory chip includes a receiver, a clock phase shifter, an error detector, and a controller. The receiver receives a test signal having a plurality of random data bits. The clock phase shifter shifts the phase of a clock signal to one of first through nth phases (n is a natural number). The controller controls the clock phase shifter to sequentially increase the phase of the clock signal from the first phase when the error detector determines the data bit sampled in synchronization with the clock signal has an erro has an error. The controller controls the clock phase shifter to sequentially decrease the phase of the clock signal from the nth phase when none of the plurality of data bits sampled in synchronization with the clock signal having a kth phase (k is a natural number greater than 1 and smaller than n−1) have an error. | 2009-01-15 |
20090016477 | Signal timing phase selection and timing acquisition apparatus and techniques - Signal timing phase selection and timing acquisition apparatus and techniques are disclosed. A timing phase that is most closely aligned with a phase of information carried by a received signal is selected from a plurality of timing phases. The selected timing phase may be used, for example, as a reference signal for a phase detector in a Phase-Locked Loop (PLL). The received signal may be sampled one or more times per timing phase. In a multiple-sample implementation, the samples may be used for timing phase selection, for detection of a known initial pattern of a burst of information to thereby detect the start time of a an information burst, or both. | 2009-01-15 |
20090016478 | LIQUID TARGET HAVING INTERNAL SUPPORT FOR RADIOISOTOPE PRODUCTION AT CYCLOTRON - An F-18 production target system having an internal support produces F-18 by means of a nuclear reaction of protons and H | 2009-01-15 |
20090016479 | FEEDWATER TEMPERATURE CONTROL METHODS AND SYSTEMS - In various embodiments, a system for controlling the power level of a natural circulation boiling water nuclear reactor (NCBWR) is provided. In various embodiments, the system includes a heating subsystem for heating feedwater flowing into an annulus of a NCBWR to increase the temperature of recirculation water flowing through the core above a predetermined recirculation water operating temperature. Additionally the system includes a temperature sensor operable to sense the temperature of the feedwater flowing into the annulus. The temperature sensor is communicatively connected to a temperature controller operable to command the heating subsystem to increase the temperature of the feedwater flowing into the annulus to a requested temperature above a predetermined operating temperature of the feedwater flowing into the annulus. By increasing the temperature of the feedwater flowing into the annulus, the temperature of the recirculation water is increased above the predetermined recirculation water operating temperature causing a reduction in the power level generated by the NCBWR core. | 2009-01-15 |
20090016480 | CIRCUIT AND METHOD FOR CORRELATED INPUTS TO A POPULATION COUNT CIRCUIT - A circuit includes a plurality of selection circuits. Each of the plurality of selection circuits has a first input, a second input, a control input, and an output. Each of the first inputs receives one of a plurality of correlated signals. Each of the second inputs receives one of a plurality of uncorrelated signals. Each of the control inputs receives a correlation mode control signal, and each of the outputs provides the one of the plurality of correlated signals or the one of the plurality of uncorrelated signals based on the correlation mode control signal. The circuit further includes a population count circuit having a plurality of data inputs coupled to receive the outputs of the plurality of selection circuits. The population count circuit provides a population count for the plurality of data inputs. The population count may be an approximate count or an accurate count. | 2009-01-15 |
20090016481 | CODED APERTURE IMAGING SYSTEM - This invention relates to a coded aperture imaging system wherein a detector array is arranged to receive radiation from a scene via a coded aperture mask. The coded aperture mask provides a plurality of uncorrelated coded aperture arrays at different positions on the mask. Each distinct coded aperture array therefore passes coded information to the detector array. The intensity pattern at the detector array, which is a summation of the intensity patterns from each of the distinct coded aperture arrays, can be decoded separately for each coded aperture array to reconstruct a separate image associated with each coded aperture array. In this way the present invention teaches a coded aperture array means with multiple, simultaneous fields of view. The different fields of view can be different sizes and/or resolutions. Preferably the coded aperture mask is reconfigurable. | 2009-01-15 |
20090016482 | ARTIFACT SUPPRESSION - A computed tomography scanner ( | 2009-01-15 |
20090016483 | X-RAY APPARATUS, IMAGE PROCESSING DISPLAY APPARATUS AND COMPUTER PROGRAM PRODUCT - An X-ray imaging machine is configured such that a three-dimensional blood-vessel information creating unit creates information concerning a three-dimensional blood-vessel core line and a position of a plaque in a subject blood vessel based on three-dimensional volume data obtained from an image taken by an X-ray computed tomography apparatus. A plaque-depth information image creating unit creates a plaque-depth information image on which the plaque is differently displayed in accordance with whether the plaque is present in front of or in the back of the three-dimensional blood-vessel core line with respect to a projection direction, based on the created information concerning the three-dimensional blood-vessel core line and the position of the plaque. An X-ray image display unit displays the created plaque-depth information image over an X-ray image in a superimposed manner. | 2009-01-15 |
20090016484 | SCANNING DETECTION DEVICE OF AN X-RAY CT APPARATUS, AN X-RAY CT SYSTEM AND METHOD OF OPERATION OF THE SAME - Method of operating an X-ray CT apparatus and the corresponding apparatus and system thereof. A method includes analyzing scout scan data to obtain a position with a minimum noise index and a position with a maximum noise index, calculating noise indexes at the two positions in a range of a maximum and a minimum tube current that can be provided by the system by means of a tube current control model so as to obtain two ranges of noise index, and determining whether there is an intersection between the two ranges of noise index. If such an intersection exists, a combination of the range of tube current value and the range of noise index that meets the requirement is selected within the intersection to control the system to proceed with a subsequent scan. If no such intersection exists, the system ends the present scan. | 2009-01-15 |
20090016485 | X-RAY COMPUTED TOMOGRAPHY APPARATUS, RECONSTRUCTION PROCESSING APPARATUS, AND IMAGE PROCESSING APPARATUS - An X-ray computed tomography apparatus scans a subject to be examined with cone beam X-rays, and generates reference volume data on the basis of projection data. This apparatus extracts a cone beam artifact component contained in the reference volume data on the basis of the typical shape and direction of the cone beam artifact component. This apparatus generates resultant volume data with the reduced cone beam artifact by subtracting the cone beam artifact component from the reference volume data. | 2009-01-15 |
20090016486 | Nickel Flux Composition - In the x-ray fluorescence analysis of minerals, ores and other materials, chemicals containing lithium and boron are melted together at high temperatures to produce lithium borate compounds which are then cooled and reduced in size to a powder or coarse material. Such material is known as x-ray flux and is usually represented or specified in the final commercial product as ratios of lithium tetraborate to lithium metaborate. The x-ray flux is melted with materials to be analyzed and cast into discs which are then analyzed by an x-ray fluorescence spectrograph. In this invention, thulium has been added, mixed and melted with the x-ray flux such as to function as an internal quantitative standard for the analysis of nickel ore, nickel concentrates or other nickel containing substances, when such flux is mixed and melted with the nickel containing samples to be analyzed. | 2009-01-15 |
20090016487 | Methods of Examining an Item of Luggage by Means of an X-Ray Diffraction Method - The invention relates to a method of examining an item of luggage | 2009-01-15 |
20090016488 | Medical diagnostic system and method for capturing medical image information - The invention relates to a medical diagnostic system having two C-arms which are adjustable with the aid of two drive means and serve as retaining devices for one medical measuring system in each case. At least one evaluation unit and at least one display element are provided for each medical measuring system. The first measuring system is an X-ray measuring system comprising an X-ray emitter and an X-ray detector and has a high spatial resolution. The second measuring system is a nuclear medicine measuring system for visualizing tissue functions. Accurate and rapid medical diagnoses and interventions are possible based on image information generated by both measuring systems. | 2009-01-15 |
20090016489 | X-ray generator with rotating anode - The invention concerns an X-ray generator with rotating anode for generating X-rays, comprising a fixed cathode, as well as a rotating anode which is arranged on a motor driven rotor, the cathode and the rotating anode being introduced into a vacuum tank. The inventive X-ray generator with rotating anode comprises: a balancing device which is integrated in the X-ray generator and which includes a control device which is connected to the vacuum tank, and an actuating device which is connected to the rotor and which includes at least two compensation masses capable of being angularly displaced relative to each other, by means of the control device; a vibration sensor for detecting the vibrations of the X-ray generator; a position sensing device for detecting the position of the compensation masses; and a controller which is coupled to the balancing device and controlled by a microprocessor, for controlling the balancing device which is configured to calculate an imbalance, and which can move the compensation rings, via the control device, so as to reduce vibrations induced by the imbalance. The calibration is carried out by generating an imbalance vector, by moving in a specific manner one compensation mass at an angle α or by a specific distance relative to the axis of rotation. | 2009-01-15 |
20090016490 | REMOTE TRIGGERED X-RAY IMAGE CAPTURE DEVICE WITH GAMMA RAY DETECTOR - Systems and methods are presented herein for generating an X-ray image where the X-ray image generator has no electrical connection with an X-ray source that generates the X-rays. In an exemplary embodiment a gamma detector is positioned behind an x-ray permeable mirror within an X-ray capture device. When the gamma ray detector senses gamma radiation over a threshold level, a camera, positioned outside of the X-ray path, begins capturing an image of the X-ray. The image is then discarded if an X-ray image profile is not then detected by the gamma detector within a period of time. Such an X-ray image profile may be detected if two or more X-ray pulses with similar intensity and duration are detected within a set period of time. If an X-ray image profile is detected, then the camera continues recording the X-ray image for a predetermined time. | 2009-01-15 |
20090016491 | MEDICAL IMAGE DISPLAY APPARATUS, METHOD AND PROGRAM, AND RECORDING MEDIUM FOR THE PROGRAM - According to the medical image display apparatus of an aspect of the present invention, the display mode to provide multi-screen display of the plurality of slice images including the abnormal shadow region is determined based on the result of acquisition of the abnormal shadow region (three-dimensional information for the abnormal shadow region), which eliminates the necessity for users (doctors) to perform an operation to set a display mode, and enables display of the plurality of slice images including the abnormal shadow region efficiently in a display mode enabling easy image interpretation. | 2009-01-15 |
20090016492 | PHOTOGRAPHING CONTROL APPARATUS AND METHOD - A photographing control apparatus that controls a sensor for accumulating and reading out electric charge in order to obtain an image, includes: a deciding unit adapted to decide a frame period showing an image photographing interval, based on an input of an input unit; a determining unit adapted to determine, based on the frame period decided by the deciding unit, whether accumulation and reading out of electric charge not for use in an image generating process is set in the frame period; and a control unit adapted to control the sensor based on the determination by the determining unit. | 2009-01-15 |
20090016493 | RENEWABLE LASER TARGET - Generation of 2 μW average output power at 13.9 nm from a table-top laser-pumped Ni-like Ag laser operating at 5 Hz repetition rate using a silver-coated helical target which is rotated and advanced such that the target surface is renewed between pulses, is described. Greater than 2×10 | 2009-01-15 |
20090016494 | ANTI-SCATTER DEVICE, METHOD AND SYSTEM - An anti-scatter device for suppressing scattered radiation is disclosed. The anti-scatter device comprises a plurality of x-ray absorbing layers. The anti-scatter device further comprises a plurality of spacer layers, such that each spacer layer is arranged between any two of the plurality of x-ray absorbing layers in order to hold each of the plurality of x-ray absorbing layers in a pre-defined orientation. Furthermore, each of the plurality of spacer layers comprises a plurality of unsealed voids to reduce the absorption of x-rays incident on at least a portion on each of the spacer layers. | 2009-01-15 |
20090016495 | REGISTRATION OF MULTIPLE VOIP DEVICES - A calling network capable of accepting voice and data information includes a voice distribution server, wherein the voice distribution server is communicably coupled to an integrated access device, wherein the voice distribution server is associated with a computer readable medium, and wherein the computer readable medium includes a customer profile; and wherein the customer profile includes at least one registered access number associated with the integrated access device, and at least two quasi-registered access numbers associated with the integrated access device. A method for registering multiple voice communication devices in relation to a Voice Over IP network includes providing a voice distribution server communicably coupled to an integrated access device and is associated with a computer readable medium that includes a customer profile having at least one registered access number associated with the integrated access device, and at least two quasi-registered access numbers associated with the integrated access device. The method further includes registering the customer profile associated with the integrated access device, receiving a call directed to one of the quasi-registered access numbers, identifying a customer profile associated with the quasi-registered access number, accessing the identified customer profile, accessing an integrated access device identification from the customer profile, updating a destination field with the integrated access device identification, and routing the call, according to a routing preference indicated in the customer profile, to the integrated access device identified by the integrated access device identification. | 2009-01-15 |
20090016496 | Communication system - The communication system for use by law enforcement and emergency personnel is presented. The system includes a provider for providing analog and digital transmissions over a hybrid network. A blended call center disseminates and receives information related to a crime. The blended call center includes media applications for law enforcement and emergency personnel to communicate information over the hybrid network. A crime classification system tracks and classifies crimes to provide intelligence information. A plurality of mobile communication devices sends and receives messages over the hybrid network. A broadcasting means broadcasts information related to crimes over the hybrid network. An Internet site provides secure access to intelligence information. A conference monitor establishes a media conference with an operator at the blended call center. And, a server is in communication with the blended call center, wherein users of the communication system can access information for dissemination or receiving. | 2009-01-15 |
20090016497 | NETWORK EDGE TELEPHONY DEVICE WITH AUDIO MESSAGE INSERTION - A network edge telephony device for local audio message insertion comprises a network interface for receiving data from and transmitting data to a network, and a user interface for receiving data from and transmitting data to a user, the data including data representing an audio signal, and processing means coupled to the network and user interfaces, the processing means comprising a mixer adapted to locally mix a call progress tone derived in dependence on an audio signal received from the network or user interfaces with a data stream representing a pre-recorded audio message. Also provided is user event processing means coupled to the user and network interfaces, which is adapted to detect feedback from the user and generate and transmit an event data signal to a remote server via the network interface. | 2009-01-15 |
20090016498 | System and method for communicating network-based telephone with combined alphabet and numeral account - A communication system and method facilitating a user to directly dial an account network-based telephone user with a combined alphabet and numeral account via a conventional telephone and computer is disclosed. The computer is provided with a set of predetermined alphabet and numeral code correspondence table. In addition, all the extended units coupled to the telephone constitute an exchange communication system, let the telephone in the different indoor place can directly call the network-based telephone. | 2009-01-15 |
20090016499 | ELECTRONIC MESSAGE FORWARDING - The invention provides a method of transmitting electronic messages in a computer environment. The preferred embodiment receives an electronic message addressed to a telephone number and determines an instant message identifier associated with the telephone number. In response to the determination that an instant message identifier associates with the telephone number, it is further determined whether an instant message receiver is available to receive messages addressed to the instant message identifier. In response to a determination that an instant message receiver is available to receive instant messages addressed to the instant message identifier, the electronic message is forwarded as an instant message addressed to the instant message identifier. In response to a determination that an instant message receiver is available to receive instant message addressed to the instant message identifier, electronic message is sent to a mobile device at the telephone number in response to a determination that no instant message receiver is available to receive instant messages addressed to the instant message identifier. | 2009-01-15 |
20090016500 | Methods, Systems, and Products for Caller Control of Internet Call Waiting - Caller Control of Internet Call Waiting (ICW) Services are provided to disconnect a data connection and to prevent establishment of a subsequent data connection. An incoming communication to a called number is received and includes an interrupt code to disconnect a data connection associated with the called number. If the interrupt code is valid, the data connection is disconnected, and a subsequent data connection is prevented until an authorization code is received that permits enablement of the subsequent data connection. | 2009-01-15 |
20090016501 | OFF-HOOK DETECTION SYSTEM, METHOD, AND COMPUTER PROGRAM PRODUCT - An exemplary embodiment of the invention may include a system, a method and/or a computer program product for enabling detecting the off-hook status of a telephony device, including, e.g., but not limited to, monitoring an earpiece channel of the telephony device to detect an earpiece audio signal associated with a telephone call; initiating a recording of the telephone call upon detecting said earpiece audio signal on the earpiece channel; injecting a signal having a predetermined frequency into a microphone channel of the telephony device; and terminating said recording if the injected signal is not detected in a sidetone on the earpiece channel. | 2009-01-15 |
20090016502 | Method And Telecommunication System For Transmission Of A Message - A method, telecommunication terminal, short message service center and telecommunication system is disclosed for transmission of a message from a first telecommunication terminal to a second telecommunication terminal, of which at least one is connected to a line-connected telephone network. The message is converted as a short message into the short message format, a connection setup is realized and the short message is transmitted in the short message format to a short message service center and from the latter to the second telecommunication terminal, where the transmission of the short message to the short message center and/or to the second telecommunication terminal is carried out by means of DTMF or FSK off-hook signaling in the voice band. | 2009-01-15 |
20090016503 | APPARATUS AND METHOD FOR ARS AUTOMATIC PROCESSING - In an Automatic Response System (ARS) automatic processing apparatus and method, a keypad enters an event for an ARS access, and a memory stores information on sequentially transmitted sequences. A Dial Tone Multi-Frequency (DTMF) generator outputs a DTMF signal corresponding to each of the sequences, and a controller controls the DTMF generator so as to output the DTMF signal corresponding to the sequence at predetermined times, upon detecting the event entry. | 2009-01-15 |
20090016504 | System and Method for Providing Communications to a Group of Recipients Across Multiple Communication Platform Types - A communications system for enabling communications between a prime user and members of a group. The system includes a first set of interlaces capable of communicating with the prime user via a first plurality of communication platforms using at least a first format and a second format; and a second set of interfaces capable of communicating with each of the members of the group via a second plurality of communication platforms using at least the first format and the second format. The system also includes a session manager coupled to the first set of interfaces having a plurality of routines configured to enable a prime user in communication with any one of the first set of interfaces to create a message to be transmitted to a selected group in either the first format or the second format; and a format converter capable of converting the message between the first and second formats. A communication controller is configured to obtain the message from the first database in both the first and second formats, obtain group member information regarding each member's contact preferences, and to initiate transmission of the message from the second set of interfaces to the selected group members using various, communication platforms based on the member's contact preferences. | 2009-01-15 |
20090016505 | TELEPHONE CALL ROUTING SYSTEM - The invention relates to a telephone call routing system including means for associating calling numbers with geographical areas and means for associating geographical areas with destination numbers. The invention is characterised in that the calling numbers are associated with geographical areas using statistical methods with a certain minimum reliability threshold. The invention is suitable for use in the field of value-added telecommunications services, call routing and network intelligence. | 2009-01-15 |
20090016506 | Logging Calls According To Call Context - A method, system, and program for logging calls according to call context are provided. A context for a call is detected, where the context include information such as the parties to a call, whether a backup party is accessed, where the call is on behalf of another, the locations of the parties to the call, the subject matter of the call, tariffs applied during the call, billing for telephone services accessed during the call, and orders placed during the call. At least one context based logging request valid for the context for the call is accessed from among multiple context based logging requests stored for multiple parties. Parties requesting logging may include parties to the call, on behalf of parties, third parties, and guardians. The context is logged according to the context based logging request. | 2009-01-15 |
20090016507 | Systems and Methods for Dynamic Pay for Performance Advertisements - Methods and apparatuses to dynamically determine the performance event of a listing based on the progress levels of responses received in response to a presentation of the listing. One embodiment includes: providing a listing on behalf of an entity for presentation to a user; identifying an event from a set of predetermined events based on communications made by the user responsive to a presentation of the listing; and charging the entity a fee per the event identifying from the set of predetermined events. | 2009-01-15 |
20090016508 | SYSTEM AND METHOD FOR GENERATING A PERSONALIZED BILL USING A PERSONAL ADDRESS BOOK - A system and method is disclosed for creating a personalized phone bill populated with names from a subscriber's personal address book on the subscriber's device. A billing application receives a request to generate a phone bill for a subscriber, and obtains usage data for that subscriber's device. In one embodiment, the billing application then sends a request to a translation server to search a network address book, which is synchronized with the personal address book on a subscriber's device, to match the usage data with the names from the network address book. The matched names are then transmitted from the translation server to the billing application, where the billing application includes the matched names in a usage section of the bill, thereby generating a personalized phone bill that a subscriber can more easily review and understand. | 2009-01-15 |
20090016509 | METHOD AND APPARATUS FOR DERIVING THE PRESENT LOCAL TIME OF A TARGET STATION - A communication system that enables a requesting station to receive information for the local time of the present situs of a target station. The communication system includes a time server that receives a request for the local time of the current situs of the target station. The time server may determine the present time of the target station by querying a location server for the present situs of the target station. The time server uses the situs information to obtain the local time to of the target station based on the present situs. The time information is transmitted to the requesting station for presentation to a user. | 2009-01-15 |
20090016510 | Method and System for Automatically Setting Chat Status Based on User Activity in Local Environment - A method is presented for managing user chat status in a chat application. The chat application automatically detects user activity and/or user inactivity external to the chat application and then automatically sets a user chat status value within the chat application based on the detected user activity and/or the detected user inactivity. The chat application may automatically set the user's current chat status at a given time, for example: based on retrieved schedule information that reflects the user's activity at that given time; based on application usage information that reflects the user's activity at that given time with other applications; based on telephone usage information that reflects the user's telephone activity at that given time; based on information about the ambient environment that reflects the user's activity or inactivity in the ambient environment at that given time; or some other automatically gathered information. | 2009-01-15 |
20090016511 | METHOD AND SYSTEM FOR RELAYING AND MANAGING CALL MESSAGES - The object of the invention is a method and a server for relaying and managing service calls. The invention is suitable, for example, for relaying and managing calls related to alarm and care services. The objective of the invention can be attained with a solution wherein the calls are routed from the customer terminal ( | 2009-01-15 |
20090016512 | Rules-Based On Hold Control During an Interactive Teleconference Session - Putting and removing participants to and from “on hold” during an interactive teleconference is based on pre-determined rules. These pre-determined rules define conditions that must be met before participants are allowed to transmit messages during the interactive teleconference. As soon as the conditions are met, affected participants are allowed to transmit messages during the interactive teleconference. | 2009-01-15 |
20090016513 | SERVICES RELATED TO CONFERENCE CALLS - An improved conference calling system that operates to correlate a conference call with other conference calls, along with collateral information pertinent to the conference call, and deliver the correlated information to conference call participants or other entities. When setting up a conference call, a reservation system interface enables a user to not only schedule the conference call, but to also enter information that can be used to (a) correlate the instance conference call with previous or future conference calls, (b) set up for the recordation of the conference call, (c) set up for the delivery of the recorded conference call through one or more media channels, and (d) provide the recorded conference call as well as any related collateral and correlated conference calls to various parties. | 2009-01-15 |
20090016514 | DYNAMIC CONFIGURATION OF CONFERENCE CALLS - A conferencing system that can be configured by a host, and then reconfigured on the fly, in real time. The host initially provides configuration information to the system to define the initial operation of the conference call. The host can then update this information during the conference call to reconfigure the conference call. For instance, the information may include a question set. The initial question set is presented to participants as they enter the conference call. When the configuration information is changed by providing a new question, the new question is then presented to the participants in the conference call. | 2009-01-15 |
20090016515 | COMMUNICATION CONFERENCE SYSTEM, VOICE CHANGING DEVICE, AND SIGNAL CONVERTING ADAPTOR - A communication conference system that enables users who have only a connecting unit via a telephone line network and users who have only an IP connecting unit to hold a talk session mutually without a need of an expensive dedicated conference server is provided. A talk session device | 2009-01-15 |
20090016516 | Disposable telephone numbers - Methods, systems, and products are disclosed that provide disposable numbers for a conference service. A disposable number is assigned to a conference bridge that is only activated for a defined period of time, after which the disposable number is disposed and deactivated. A call is received to the disposable number, and the call is routed to the conference bridge. A database is queried that associates the disposable number to a subscriber's number. Subscriber information is retrieved that describes when a conference bridge subscription is active. If the conference bridge subscription is active, then a caller is connected to the conference bridge. If the conference bridge subscription is inactive, then the caller is prompted to pay for a conference service. | 2009-01-15 |
20090016517 | Location system and method for assisting emergency services in identifying the physical location of an IP telephony user - A location device for associating a physical location with a communications device. The communications device has assigned device identification and uses an assigned network address for use in routing call data over a communications network. The location device comprises a memory for storing location information related to the physical location and a device port for coupling to the communications device and a network port for coupling to the communications network. The ports are configured for communicating the call data between the ports. The device also has a monitoring module configured for monitoring operation of at least one of the ports in order to detect an initialization process of the communications device, as well as to identify the assigned device identification. The device also has a location registration module configured for communicating a location update message over the communications network via the network port in response to the detected initialization process, such that the location update message including the location information and the identified device identification. | 2009-01-15 |
20090016518 | MONITORING AND OVERRIDING FEATURES FOR TELEPHONE SERVICE SYSTEM - A system and method are disclosed for a user to monitor and/or override a forwarded call. Typically, the forwarded call was initially an incoming call from a caller to the user and thereafter forwarded to a remote service system, such as a remote messaging system. The system and method determine a redirecting number from which the incoming call was forwarded. The system and method then initiates a second call to the user and a voice path is established connecting the forwarded call to the second call. Thereafter, the user is notified, for example, with a distinct ring at the user's telephone, of the option that the user may monitor and override the forwarded call. The system and method can also execute procedures to actuate the options elected by the user. | 2009-01-15 |
20090016519 | Methods, Systems, and Products for Processing Calls - Methods, systems, and products are disclosed for processing calls. An alias is associated to a called party's destination number. When the alias is then dialed for a call, the call is routed to the destination number. Exemplary embodiments thus enable a user to make calls without having to dial a long string of numbers. The user, instead, may simply select and dial an easy-to-remember alias associated with the called party. | 2009-01-15 |
20090016520 | APPARATUS, METHOD, COMPUTER PROGRAM PRODUCT, AND TERMINAL DEVICE FOR CONTROLLING COMMUNICATIONS - A receiving unit receives from a second terminal, a switching request message requesting switching of a counterpart of a communication that a third terminal is establishing with a first terminal, from the first terminal to the second terminal. When receiving the switching request message, a selecting unit selects one of the second and third terminals based on a predetermined rule, as a transmission source terminal that transmits an establishment request message requesting establishment of a communication between the second terminal and the third terminal. A transmitting unit transmits to the transmission source terminal, a transmission request message requesting transmission of the establishment request message. | 2009-01-15 |
20090016521 | SYSTEM, METHOD AND PROGRAM FOR SETTING WAGE FOR CALL CENTER PERSONNEL - System, method and program product for dynamically setting a wage offered to a multiplicity of inactive call center personnel. First program instructions automatically estimate a wait time for calls to a call center. The calls are handled by a plurality of active call center personnel. Second program instructions automatically determine and set a wage, based in part on the estimated wait time, offered to inactive call center personnel to induce them to become active call center personnel to handle calls. Third program instructions, responsive to a request by an inactive call center person to become active at said wage, automatically designate the requesting inactive call center person as active at the wage and assign a call to the requesting inactive call center personnel that was designated as active. Program instructions also set a renewal wage paid to active call center personnel, based in part on the estimated wait time, to induce the active call center personnel to remain active. | 2009-01-15 |
20090016522 | Monitoring service personnel - An approach for monitoring interaction between individuals engaged in a communication session is disclosed. The individuals are described herein as a customer service representative and a customer and the communication session is accomplished over a communication network. Audio data embodying the communication session is copied and stored to a media file in conjunction with video data captured by a video capture device monitoring the customer service representative. The media file is a data structure in which the audio data and the video data are stored in segmented fashion. Each segment of audio data is associated with a segment of video data based on a common time reference, thereby providing synchronized documentation of the communication session. The media file is stored on a database and available to a supervisor using a server computer to monitor the communication session for quality assurance or other evaluation purposes. | 2009-01-15 |
20090016523 | Masking and Additive Decomposition Techniques for Cryptographic Field Operations - Masking and additive decomposition techniques are used to mask secret material used in field operations (e.g., point multiplication operations) performed by cryptographic processes (e.g., elliptic curve cryptographic processes). The masking and additive decomposition techniques help thwart “side-channel” attacks (e.g., power and electromagnetic analysis attacks). | 2009-01-15 |
20090016524 | PEER TO PEER IDENTIFIERS - In an ad hoc peer-to-peer type network during peer discovery, information relating to users of various devices is broadcast to other devices in the network, which can compromise privacy of the users. Instead of announcing a public identifier that might be known by a multitude of individuals, the user device announces a private identifier that might be known to, or determined by, a select few individuals. The individuals selected can be given a key to determine the private identifier associated with a public identifier, or vice versa, wherein that key can have a validity range or a period of time, after which the key expires. Prior to the expiration of the key, the selected individuals, through their respective devices, can detect a corresponding user and/or device by the current private identifier being announced, thus mitigating the number of people that are aware of the user's presence. | 2009-01-15 |
20090016525 | ENCODING/DECODING APPARATUS - An encoding/decoding apparatus comprises a central processing unit and an encryption/decryption accelerator coupled to the central processing unit. The accelerator comprises an input for input data to be encrypted/decrypted, an arithmetic logic unit coupled to said input for performing selectable operations on data obtained from said input data and an output for encrypted/decrypted data coupled to said arithmetic logic unit. | 2009-01-15 |
20090016526 | METHOD AND APPARATUS FOR INTERCEPTING EVENTS IN A COMMUNICATION SYSTEM - An intercept system provides more effective and more efficient compliance with legal intercept warrants. The intercept system can provide any combination of operations that include near-real-time intercept capture of intercepted data in structured authenticated form, clear text intercept for communications where there is access to encryption keys, cipher text intercept for communications where there is no access to encryption keys, provision of transactional logs to the authorized agency, interception without altering the operation of the target services, and encryption of stored intercepted information. | 2009-01-15 |
20090016527 | METHOD OF ESTABLISHING A SESSION KEY AND UNITS FOR IMPLEMENTING THE METHOD - A method of establishing a session key K | 2009-01-15 |
20090016528 | DEVICE, SYSTEM, AND METHOD OF OBFUSCATING DATA PROCESSED WITHIN AN INTEGRATED CIRCUIT - Device, system, and method of power trace obfuscation. In some embodiments an integrated circuit may include a signal modifier to introduce a pseudo-randomly selected modification to a state-transition pattern of at least one signal, which is related to internal processing of data within the integrated circuit. Other embodiments are described and claimed. | 2009-01-15 |
20090016529 | METHOD AND SYSTEM FOR PREVENTION OF UNAUTHORIZED COMMUNICATION OVER 802.11W AND RELATED WIRELESS PROTOCOLS - A method for disrupting undesirable wireless communication in wireless network is provided. The method includes providing one or more sniffer devices to monitor wireless communications in a wireless network and detecting a wireless connection established between an access point device and a client device using the one or more sniffer devices. Preferably, the wireless connection is configured for not being disconnected upon receiving a spoofed disconnection request transmitted from a wireless device other than the access point device and the client device. The method also includes disrupting the wireless connection established between the access point device and the client device by transmitting one or more spoofed connection requests from at least one of the one or more sniffer devices. | 2009-01-15 |
20090016530 | ROLLING CODE SECURITY SYSTEM - A rolling code transmitter is useful in a security system for providing secure encrypted RF transmission comprising an interleaved trinary bit fixed code and rolling code. A receiver demodulates the encrypted RF transmission and recovers the fixed code and rolling code. Upon comparison of the fixed and rolling codes with stored codes and determining that the signal has emanated from an authorized transmitter, a signal is generated to actuate an electric motor to open or close a movable barrier. | 2009-01-15 |
20090016531 | Method and system for secured real time protocol in scalable distributed conference applications - A method of providing secured teleconference in a distributed teleconference system including providing one or more servers interconnected in a distributed structure, providing at least two participants which include at least one speaker; where each participant is a listener. Each participant is connected to a server and is associated with a secured teleconferencing application, encrypting the data that is created by the speaker's application, building an authentication tag by the speaker application, transmitting a media packet by the speaker's application to the connected server, checking authentication tag validity by each server that receives a media packet and selectively distributing the media packet if the authentication tag check succeeded and checking authentication tag validity by each listener that receives a media packet and decryption of the encrypted data provided that the authentication tag validity check succeeded. | 2009-01-15 |
20090016532 | Portable data carrier featuring secure data processing - Disclosed is a method for securely processing data in a portable data carrier. Said method is characterized by the following steps: a) the data to be processed is requested; b) the data to be processed is encoded; c) the encoded data is temporarily stored in a buffer storage zone of the data carrier; d) the temporarily stored, encoded data is decoded by means of a decoding key; and e) the decoded data is processed. | 2009-01-15 |
20090016533 | Controlling With Rights Objects Delivery Of Broadcast Encryption Content For A Network Cluster From A Content Server Outside The Cluster - Methods, systems, and products are disclosed for controlling with rights objects delivery of broadcast encryption content for a network cluster from a content server outside the cluster that include receiving in the content server from a network device a key management block for the cluster, a unique data token for the cluster, and an encrypted cluster id; calculating a binding key for the cluster in dependence upon the key management block for the cluster, the unique data token for the cluster, and the encrypted cluster id; inserting a title key into a rights object defining rights for the broadcast encryption content; and sending the rights object to the cluster. In typical embodiments, the rights for content include an authorization for a play period and an authorized number of copies of the broadcast encryption content to devices outside the cluster. | 2009-01-15 |
20090016534 | METHOD AND SYSTEM OF GENERATING IMMUTABLE AUDIT LOGS - This method and system uses means of cryptographic techniques reproducing the functionality of a continuous roll of paper. The audit logs can contain any kind of data information (text, voice, video, actions . . . ) and this invention provides full guarantees for data integrity: order of data logged can't be altered and content can't be modified neither added nor deleted without detection. Authenticity of the IAL is guaranteed by the use of digital signatures. Confidentiality is also guaranteed by encrypting the data information. By using PKI encryption the invention also guarantees that only authorized auditors will be able to check the integrity of the IAL and access to the data content. | 2009-01-15 |
20090016535 | Fuzzy Keys - A method can be provided for performing encryption using a fuzzy key. The method can comprise generating a message, dividing a fuzzy key into a plurality of blocks; and generating an encrypted message by selecting a block from the fuzzy key corresponding to a bit position or bit pattern in the message. | 2009-01-15 |
20090016536 | DATA ENCRYPTION SYSTEM AND METHOD - A data encryption system implemented by running on a cache-equipped computer an encryption program including transformation tables each of which contains a predetermined number of entries. All or necessary ones of the transformation tables are loaded into the cache memory before encryption/decryption process. This causes encryption/decryption time to be made substantially equal independently of the number of operation entries for the transformation table. It is very difficult to extract plain texts used to determine a key differential, resulting in difficulties in cryptanalysis. | 2009-01-15 |
20090016537 | METHOD OF AUTHENTICATING AND REPRODUCING CONTENT USING PUBLIC BROADCAST ENCRYPTION AND APPARATUS THEREFOR - Provided are a method and apparatus for mutually authenticating devices in a group and reproducing content using public broadcast encryption. The method of authenticating a first device and a second device includes acquiring specific information of the second device from the second device, transmitting data, containing the acquired specific information of the second device and specific information of the first device, by encrypting the data using a broadcast public key of a group to which the second device belongs, and determining whether authentication of the first device succeeds by decrypting the encrypted data by using a private key of the second device. If authentication succeeds, receiving the specific information of the first device, which is encrypted by using a temporary common key by using the decrypted data, and authenticating the second device by decrypting the encrypted specific information of the first device by using the temporary common key. | 2009-01-15 |
20090016538 | Delivery of Messages to A Reciever Mobile Device - A system for delivering messages to a receiver mobile device and a method and memory storing instructions therefor are described. The system comprises a key server arranged to: transmit a first signal responsive to receipt of a message from a sender mobile device; transmit a delivery confirmation notice responsive to receipt of a second signal from the receiver mobile device; transmit a key to the receiver mobile device responsive to receipt of the second signal from the receiver mobile device; and a message server communicatively coupled with the key server and arranged to: transmit a third signal to the receiver mobile device responsive to receipt of the first signal from the key server; transmit a fourth signal to the sender mobile device responsive to receipt of the delivery confirmation notice from the key server. | 2009-01-15 |
20090016539 | A/V AMPLIFIER AND METHOD FOR DRIVING THE SAME - For achieving an audio reproduction with high sound quality, in a multi-channel A/V amplifier, front speakers are driven with a parallel-drive bi-amplifier arrangement upon stereo reproduction. In the case of the multi-channel reproduction mode, the switching circuit allows an output signal of each channel of the decoder to be sent to speakers via amplifiers for each channel in one-to-one correspondence. On the other hand, in the case of the 2-channel stereo reproduction mode, the switching circuit allows at least two amplifiers among the plurality of amplifiers to be connected in parallel between the output signal for each of the channels L and R of the decoder and the speakers for each of the channels L and R, and also allows the timing of the output signals of the respective amplifiers to be varied. | 2009-01-15 |
20090016540 | AUDITORY PERCEPTION CONTROLLING DEVICE AND METHOD - “A method of automatically performing adjustment of audio control settings in an audio system, whereby at least a part of the audio control settings is adjusted according to automatic audio control setting adjustment routines via at least one remote control receiver of the audio system;
| 2009-01-15 |