44th week of 2009 patent applcation highlights part 31 |
Patent application number | Title | Published |
20090268831 | BACKWARD COMPATIBLE BANDWIDTH EXTENSION - A transmitter includes a bandwidth configuration unit configured to provide an increased system bandwidth corresponding to a bandwidth extension over multiple component carriers. Additionally, the transmitter also includes a transmit unit configured to employ the bandwidth extension. | 2009-10-29 |
20090268832 | SYSTEMS AND METHODS FOR HIGH RATE OFDM COMMUNICATIONS - Messages transmitted between a receiver and a transmitter are used to maximize a communication data rate. In particular, a multicarrier modulation system uses messages that are sent from the receiver to the transmitter to exchange one or more sets of optimized communication parameters. The transmitter then stores these communication parameters and when transmitting to that particular receiver, the transmitter utilizes the stored parameters in an effort to maximize the data rate to that receiver. Likewise, when the receiver receives packets from that particular transmitter, the receiver can utilize the stored communication parameters for reception. | 2009-10-29 |
20090268833 | METHOD AND SYSTEM FOR PREDICTING CHANNEL QUALITY INDEX (CQI) VALUES FOR MAXIMUM LIKELIHOOD (ML) DETECTION IN A 2X2 MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) WIRELESS SYSTEM - Aspects of a method and system for predicting CQI values for ML detection in a 2×2 MIMO system are presented. In one aspect of the system, a CQI value for a MIMO communication system may be computed based on a computed channel realization by reverse mapping the computed channel realization to a corresponding CQI value. Based on the computed CQI value, a coding rate may be selected. The coding rate may be selected from a lookup table, wherein the computed CQI value is utilized as an index to the lookup table. The reverse mapping may utilize a function, which is computed using radial basis function networks. In another aspect of the system, a joint mutual information value may be computed for the MIMO communication system. The joint mutual information value may be computed based on a Shannon mutual information value and a matched filter mutual information value. | 2009-10-29 |
20090268834 | METHOD AND SYSTEM FOR PREDICTING CHANNEL QUALITY INDEX (CQI) VALUES FOR MAXIMUM LIKELIHOOD (ML) DETECTION IN A KXK MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) WIRELESS SYSTEM - Aspects of a method and system for predicting CQI values for ML detection in a K×K MIMO system are presented. In one aspect of the system, a CQI value for a K×K MIMO communication system may be computed by decomposing the K×K MIMO system into a series of 2×2 MIMO systems. For each 2×2 MIMO system a CQI value may be computed by reverse mapping a PER computed for the 2×2 MIMO system and an SNR value for a SISO communication system. By summing CQI values among the series of 2×2 MIMO systems a CQI value for the K×K MIMO system may be computed. Based on the computed CQI value for the K×K MIMO system, a coding rate may be selected. The selected coding rate may be selected to maximize a computed information throughput rate at a MIMO receiver that utilizes ML detection. | 2009-10-29 |
20090268835 | WIRELESS COMMUNICATION METHOD, WIRELESS COMMUNICATION SYSTEM, AND WIRELESS COMMUNICATION DEVICE - A wireless communication method realizing a large channel capacity even in an environment of high spatial correlation and improving the reception characteristic, a wireless communication system, and a wireless communication device. Signals (X | 2009-10-29 |
20090268836 | MULTI-PILOT GENERATION METHOD AND DETECTION METHOD IN MULTI-ANTENNA COMMUNICATION SYSTEM - Provided are a multi-pilot generation method and a detection method in a multi-antenna communication system. In the method, a transmission side superimposes a first preamble sequence and a third preamble sequence to generate a second preamble sequence, which is subjected to serial/parallel conversion before the first preamble sequence and the second preamble sequence are successively transmitted from a plurality of antennas by time division. A reception side receives the first preamble sequence and the second preamble sequence by a plurality of antennas, separates the third preamble sequence from the second preamble sequence by a spatial division process, and performs a pilot correlation process by using the first preamble sequence and the separated third preamble sequence. | 2009-10-29 |
20090268837 | MULTICARRIER MODULATION SCHEME AS WELL AS TRANSMISSION APPARATUS AND RECEPTION APPARATUS USING THE SCHEME - An object is to generate a pilot signal for estimating transmission characteristic of a transmission channel which is suitable for the OFDM/OQAM multicarrier modulation. A phase reference pilot symbol of which a modulation amplitude is suppressed to zero, and an amplitude reference pilot signal obtained through modulation performed by using an amplitude known to a reception end are transmitted from a transmission end, and the transmission characteristic of the transmission channel is estimated and compensated by using the phase reference pilot signal and the amplitude reference pilot signal at the reception end. Thus, it is possible to simplify frame generation process performed at the transmission end, and reduce transmission power for the phase reference pilot signal. | 2009-10-29 |
20090268838 | TRANSMISSION APPARATUS AND COMMUNICATION METHOD - A transmission apparatus which multiplexes control channels for multiple reception apparatuses into an OFDM symbol at the same timing in OFDM downlink radio access includes a pattern generating unit configured to generate a frequency mapping pattern which is specific to the transmission apparatus; and a frequency allocating unit configured to allocate subcarriers to the control channels for the multiple reception apparatuses according to the frequency mapping pattern. | 2009-10-29 |
20090268839 | FULL DIVERSITY HIGH-RATE CODED TRANSMIT BEAMFORMING TECHNIQUES USING PARTIAL-ALGEBRAIC PRECODING, AND ASSOCIATED NEAR-OPTIMAL LOW-COMPLEXITY RECEIVERS - The present invention concerns a system for transmitting data from a transmitter comprising at least two transmitting antennas, an encoder following an error correcting code structure and a transmit beamforming technique to a receiver comprising at least two receiving antennas and a decoder defined according to the error correcting code structure over a transmit beamformed MIMO channel. This invention aims to achieve high data rate and guaranty a target diversity and high performance while keeping the receiver complexity low. Indeed, the diversity reduction may be overcome by including an algebraic linear precoder which linearly combines modulation symbols at the transmitter side. | 2009-10-29 |
20090268840 | MULTIPLE ANTENNA COMMUNICATION SYSTEM INCLUDING ADAPTIVE UPDATING AND CHANGING OF CODEBOOKS - Communication between a base station with multiple transmission antennas and a mobile station is provided. The base station and the mobile station may recognize or estimate, respectively, a channel between the base station and the mobile station, and update a previous codebook with a new codebook based on a variation of the channel. In this instance, the mobile station may provide feedback information to the base station using the new codebook, and the base station may generate a transmission signal for the mobile station using the new codebook and the feedback information. | 2009-10-29 |
20090268841 | POWER CONTROL SYSTEM AND METHOD FOR COMMUNICATION SYSTEM USING SPACE-TIME TRANSMIT DIVERSITY SCHEME - A power control system and method for communication system using space-time transmit diversity scheme. In the power control method, transmission power information of a plurality of antennas or a plurality of subcarriers is monitored. A new space-time code is generated by concatenating the monitored transmission power information and symbols to be transmitted. Symbols encoded using the generated space-time code are generated and the encoded symbols are transmitted. Accordingly, after determining the transmission power of each antenna, the transmission power information is monitored so that the transmission power information that does not experience the channel gain can be used at a next slot. Therefore, the performance degradation due to the round trip time can be reduced, thereby improving the system capacity and performance. | 2009-10-29 |
20090268842 | MULTIPLE STREAMS USING PARTIAL STBC WITH SDM WITHIN A WIRELESS LOCAL AREA NETWORK - A method of communicating data to M receiving antennas from N transmitting antennas, where M and N are integers, the method includes the steps of receiving M data signals from M receive antennas, applying the M data signals to a space/time decoder to produce M decoded streams and reconstructing original data transmitted via N transmit antennas from the M decoded streams. At least P transmitting antennas transmit space-time block-coded signals and (N-P) transmitting antennas transmit code signals through spatial division multiplexing, where P is an integer. | 2009-10-29 |
20090268843 | SYSTEMS AND METHODS FOR PROVIDING UNEQUAL MESSAGE PROTECTION - Input data may be coded in accordance with a coding method that allows for either coded data or messages to be transmitted with pre-determined, but unequal reliability over a communication channel. The coding method may allow the messages to be transmitted with higher reliability than the coded data. Messages may be transmitted when they are available. Otherwise, the coded data may be transmitted. | 2009-10-29 |
20090268844 | Method and apparatus to link modulating and coding scheme to amount of resources - A plurality of substantially static input parameters are provided, and a plurality of signalled input parameters are also provided. From the substantially static input parameters and the plurality of signaled input parameters, an output parameter is determined that is indicative of a number of control symbols per transmission time interval for an amount of control signaling bits. The output parameter relates to a modulation and coding scheme for an uplink. | 2009-10-29 |
20090268845 | RADIO TRANSMITTER INCORPORATING DIGITAL MODULATOR AND CIRCUITRY TO ACCOMMODATE BASEBAND PROCESSOR WITH ANALOG INTERFACE - A circuit provides a digital signal at optimal times to a digital processor of a transmitter. The circuit includes a complex analog-to-digital converter (ADC), a demodulator and a timing recovery circuit. The complex ADC is connected to receive an analog complex modulated baseband signal and to convert the analog complex modulated baseband signal to a digital complex modulated baseband signal. The demodulator operates to demodulate the digital signal to produce a demodulated digital signal for input to the digital processor. The timing recovery circuit receives a control signal and activates the digital processor based on a fixed timing relationship between receipt of the control signal at the timing recovery circuit and receipt of the analog complex modulated baseband signal at the complex ADC. | 2009-10-29 |
20090268846 | MODIFIED PREAMBLE FOR PROGRAMMABLE TRANSMITTER - A programmable transmitter generates a frame preamble to train a receiver with respect to a communication link format that corresponds to a transmission mode wherein the transmission mode may comprise transmitting the communication link over one or more antennas. Generally, the invention includes generating a preamble with an arrangement that depends upon whether a Greenfield (high data rate) or mixed mode transmission is to occur and that depends upon a number of spatial streams that are to be generated. One format for high data rate transmission includes a short training sequence, a long training sequence and a signal field. The mixed mode transmission further includes a legacy prefix. | 2009-10-29 |
20090268847 | PHASE LOCKED LOOP MODULATOR CALIBRATION TECHNIQUES - A method for calibrating a phase locked loop begins by determining a gain offset of a voltage controlled oscillator of the phase locked loop. The processing then continues by adjusting current of a charge pump of the phase locked loop based on the gain offset. | 2009-10-29 |
20090268848 | Systems and Methods for Filter Based Media Defect Detection - Various embodiments of the present invention provide systems and methods for media defect detection. For example, a data receiving system is disclosed that includes a data signal provided from a medium that may include a defective portion. An absolute value circuit receives the data signal and provides an output corresponding to an absolute value of the data signal. The output corresponding to the absolute value of the data signal is input to a filter that filters it and provides a filtered output. In some cases, the filter is a digital filter operable to integrate the absolute value of the data signal. A comparator receives the output from the filter and compares it with a threshold value. The result of the comparison indicates a defect status of the medium. | 2009-10-29 |
20090268849 | Passive Miser and Four-Phase Clocking Method and Apparatus - According to one embodiment, a radio frequency receiver comprises a quadrature mixer configured to convert radio frequency signals to baseband signals or intermediate frequency signals. The quadrature mixer comprises an in-phase passive mixer and a quadrature-phase passive mixer. Each passive mixer comprises a mixer core having a plurality of mixer input switch transistors and a plurality of output switch transistors connected to the mixer input switch transistors. Clock circuitry generates a plurality of quadrature pulsed clock signals and delayed versions of the quadrature pulsed clock signals. The quadrature pulsed clock signals and the delayed versions of the quadrature pulsed clock signals drive the mixer input switch transistors and the output switch transistors. | 2009-10-29 |
20090268850 | Coarse Frequency Offset Estimation in ISDB Receivers - A method of estimating a coarse frequency offset in a receiver includes providing at least one candidate frequency offset in Orthogonal Frequency-Division Multiplexing (OFDM) symbols having transmission and multiplexing configuration control (TMCC) bins and auxiliary channel (AC) bins, modulating the TMCC bins and AC bins using differential binary phase shift keying (DBPSK) modulation, estimating a phase difference between a first symbol and a second symbol for the candidate frequency offset of the TMCC and AC bins to obtain a resulting phase difference, correcting the resulting phase difference based on a difference between the candidate frequency offset and a Fast Fourier Transform (FFT) center bin to obtain a corrected phase difference, mapping the corrected phase difference to numeric numbers, and adding the numeric numbers for the candidate frequency offset to obtain a summation result. The numeric numbers correspond to at least one of +1 or −1. | 2009-10-29 |
20090268851 | Method for Detecting Paths in Pulse Transmission and a Device for Carrying Out Said Method - The invention relates to method and device for detecting propagation paths in pulse transmission, wherein a received signal comprises pulses on each time symbol. After synchronising a pulse-based reception, the inventive method consists (A) in determining the arrival times of pulses of the same current time symbol, (B) in generating a path hypotheses by assigning an initial score to each dated pulse, (C) in determining the arrival times of pulses of the time symbol following the current symbol, (D) in relatively comparing the arrival times of pulses of the following time symbol with the arrival times of the path hypotheses and (E) in updating scores according to the relative comparison results. Said path detecting method is suitable for pulse information transmission, in particular in UWB. | 2009-10-29 |
20090268852 | OFDM DEMODULATION DEVICE - An OFDM (Orthogonal Frequency Division Multiplexing) demodulator includes: an FFT (Fast Fourier Transform) circuit ( | 2009-10-29 |
20090268853 | MULTIPLE INPUT, MULTIPLE OUTPUT CHANNEL, DIGITAL RECEIVER TUNER - The present invention teaches a compact and highly integrated multiple-channel digital tuner and receiver architecture, suitable for widespread field deployment, wherein each receiver demodulator channel may be remotely, automatically, dynamically, and economically configured for a particular cable, carrier frequency, and signaling baud-rate, from an option universe that includes a plurality of input cables, a plurality of carrier frequencies, and a plurality of available baud-rates. A multiple coax input, multiple channel output, digital tuner is partitioned into a multiple coax input digitizer portion and a multiple channel output front-end portion. The digitizer portion consists of N digitizers and accepts input signals from N coax cables and digitizes them with respective A/D converters. The front-end portion consists of M front-ends and provides M channel outputs suitable for subsequent processing by M respective digital demodulators. In a first clock domain, a fixed predetermined A/D sampling rate is chosen to provide oversampling of the inputs by a common integer multiple of all the symbol rates of interest. A plurality other clock domains operate at selectable sub-multiples of the first domain as required to deliver a constant number of symbol samples at the output of each front-end. At the input to each of the M front-ends is a respective input selector coupled to each of the N streams of digitized input data followed by a digital signal scaler that dynamically scales the selected incoming stream of digitized input data as a function of the signal power of the channel's associated carrier. | 2009-10-29 |
20090268854 | METHOD AND APPARATUS FOR MULTIPLE ANTENNA COMMUNICATIONS, AND RELATED SYSTEMS AND COMPUTER PROGRAM - A method of detecting sequences of multi-level encoded symbols. The multi-level encoded symbols are mapped and modulated with a modulation scheme having a number of constellation points identified by a sequence of bits arranged in at least a first and a second group. The first group is encoded with a first encoding scheme, and the second group is encoded with a second coding scheme, and the multi-level encoded symbols are transmitted by multiple transmitting sources and received as a received vector by multiple receiving elements. | 2009-10-29 |
20090268855 | SIGNAL RECEIVING APPARATUS, SIGNAL RECEIVING METHOD AND SIGNAL RECEIVING PROGRAM - A signal receiving apparatus for receiving signals is provided. The signal receiving apparatus includes a correlation-value computation section configured to sequentially compute a correlation value representing a correlation between the received signal and a series of known symbols while sliding the series of known symbols for every symbol included in the received signal, a maximum-value detection section configured to detect a largest correlation value among the correlation values computed by the correlation-value computation section for one frame of the received signal, and a correlation-value storage section configured to store each of the correlation values at one of a predetermined number of storage locations, before and after the largest correlation value is detected by the maximum-value detection section. | 2009-10-29 |
20090268856 | DEMODULATION DEVICE, DEMODULATION DEVICE CONTROL METHOD, DEMODULATION DEVICE CONTROL PROGRAM, AND RECORDING MEDIUM WITH RECORDED DEMODULATION DEVICE CONTROL PROGRAM - This demodulation device receives and demodulates a digital broadcast wave. This demodulation device includes an RF search control unit ( | 2009-10-29 |
20090268857 | Cycle slip detection for timing recovery - A method and an arrangement for cycle slip detection for timing recovery of a received analog signal comprising asynchronously sampled digital data are recommended. More specifically a fully digital implementation of a timing recovery control loop using a technique known as interpolated timing recovery and improved cycle slip detection as well as improved cycle slip correction based on said cycle slip detection are recommended. The method comprises the steps of using an output signal of the loop filter in the control loop for timing recovery, generating averaged timing error values from said filtered timing error signal and accumulating changes of the averaged timing error values in adjacent blocks of samples which exceed a first threshold. Accumulated averaged timing error changes of adjacent blocks which exceed a second threshold are then declared as cycle slip and the number of cycle slips is determined by a third threshold being a tolerance threshold. Furthermore, a first-in, first-out memory is provided for sample insertion or deletion, which means that a sample insertion or sample deletion takes place in the sample domain with increased reliability and an improved method for cycle slip detection is recommended due to increased robustness against noise and inappropriately chosen timing loop parameters, which is also applicability for systems with frequency-offsets. The method and a corresponding arrangement are applicable for timing recovery of signals having high intersymbol interference, low signal to noise ratio and frequency offset as e.g. provided by reading a high-density data storage medium or received by mobile phone. | 2009-10-29 |
20090268858 | DUAL CLOCK SPREAD FOR LOW CLOCK EMISSIONS WITH RECOVERY - A method and apparatus provides for the generation and recovery of a stable clock signal having harmonic emission suppressions using dual spread spectrum clock signals. The transmission frequencies of non-mixed, spread spectrum lower frequency clock signals may be varied and, upon receipt of these non-mixed signals, they are mixed into sum and difference signals. The sum signal thus generated is representative of the desired clock signal to be recovered. Such conditioning of the non-mixed signals need only occur within the receiver, thereby allow the channel that transmits the non-mixed lower frequency clock signals to the receiver to be lower bandwidth than would be required to carry the final, recovered, and higher frequency clock signal produced by the receiver. | 2009-10-29 |
20090268859 | SYSTEM AND METHOD OF CONTROLLING POWER CONSUMPTION IN A DIGITAL PHASE LOCKED LOOP (DPLL) - An apparatus comprising a programmable frequency device adapted to generate a reference clock selected from a set of distinct frequency clocks, wherein the programmable frequency device is further adapted to maintain the same temporal relationship of the triggering edges of the reference clock when switching between the distinct frequency clocks. The apparatus further comprises a phase locked loop (PLL), such as a digital PLL (DPLL), that uses the selected reference clock to establish a predetermined phase relationship between an input signal and an output signal. By maintaining substantially the same temporal relationship of the reference clock when switching between distinct frequency clocks, the continual and effective operation of the phase locked loop (PLL) is not significantly disturbed while changing the reference clock. This may be used to control the power consumption of the apparatus. | 2009-10-29 |
20090268860 | Process for accelerating the breeding and conversion of fissile fuel in nuclear reactors - The present invention related to a novel process for accelerating the breeding and conversion of fissile fuel in various types of nuclear reactors. In said process a movable nuclear fuel ball bed filled with a coolant creeps through the reactor core. The said process could provide higher specific power per unit fuel volume inside the reactor core and proceed on-line refueling, thus requires much less initial fissile fuel inventory per unit power output as compared with the traditional breeding or conversion reactors. The said process has full inherent safety characteristics and could follow the external power demand with the inherent negative temperature coefficient of reactivity. The said process, therefore, is a more efficient and economic approach to meeting the enormous demand of fissile fuel for the forthcoming “second nuclear era”. | 2009-10-29 |
20090268861 | Plutonium/Zirconium Hydride/Thorium Fuel Matrix - The present invention is directed to a plutonium-based nuclear fuel that is suitable for burning weapon-grade and reactor-grade plutonium in a light water reactor, thereby reducing the amount of such material that could potentially be used to manufacture a weapon. In one embodiment, the fuel is comprised of plutonium, zirconium hydride, and thorium, with the zirconium hydride comprising more than about 20% by weight of the fuel. | 2009-10-29 |
20090268862 | ENERGY DISTRIBUTION RECONSTRUCTION IN CT - The reconstruction of the energy distribution at a detector with a detector element that consists of many small pixels, which count the number of photons above certain thresholds, is performed with a Maximum Likelihood analysis, according to an aspect of the present invention. Thus, the reconstruction scheme may use the redundancy in the measurement and may treat the Poisson statistics accordingly. | 2009-10-29 |
20090268863 | RECONSTRUCTION METHOD FOR HELICAL CONE-BEAM CT - The invention relates to a method and a system for the reconstruction of an object function (f(x)) based on projections acquired during the motion of a radiation source on a helical trajectory ( | 2009-10-29 |
20090268864 | BREAST IMAGE GENERATING METHOD - A breast image generating method correlates radiographing order information for instructing to radiograph each of left and right breasts of a subject in an oblique direction with identification information indicating a relationship between data of a breast image and the radiographing order information so as to be stored in a storing device. A breast is radiographed based on the radiographing order information to generate data of a breast image, radiographing order information corresponding to the generated data of a breast image is identified based on the identification information, and a stamp image is superposed at a prescribed position on the breast image taken through radiographing conducted in the oblique direction to make a composite image in accordance with whether a breast region indicated by the identified radiographing order information is left or right, so as to display the composite image on a displaying device. | 2009-10-29 |
20090268865 | X-ray imaging with X-ray markers that provide adjunct information but preserve image quality - A method and an apparatus for estimating a geometric thickness of a breast in mammography/tomosynthesis or in other x-ray procedures, by imaging markers that are in the path of x-rays passing through the imaged object. The markings can be selected to be visible or to be invisible when the composite markings/breast image is viewed in clinical settings. If desired, the contribution of the markers to the image can be removed through further processing. The resulting information can be used determining the geometric thickness of the body being x-rayed and thus setting imaging parameters that are thickness-related, and for other purposes. The method and apparatus also have application in other types of x-ray imaging. | 2009-10-29 |
20090268866 | MAMMOGRAPHY METHOD AND APPARATUS WITH IMAGE DATA OBTAINED AT DIFFERENT DEGREES OF BREAST COMPRESSION - In a method and apparatus to generate a mammographic image, the apparatus has a radiation source, a digital radiation detector, and support plate and a compression plate between which the breast is compressed during image acquisition. A first image data set depicting the breast is acquired, with a first degree of compression of the breast. A second degree of compression of the breast is set and a second image data set depicting the breast is acquired. The first and second image data sets are linked for the generation of the diagnostic image. | 2009-10-29 |
20090268867 | MEDICAL X-RAY IMAGING SYSTEM - The solid-state image pick-up device ( | 2009-10-29 |
20090268868 | DEVICE AND METHOD FOR DETECTING DEPOSITS ON AN INNER SURFACE OF A PASSAGE - A method and device for detecting mercury or other material deposits on an inner surface of an enclosed passage are provided. The device includes a detection unit that is adapted to be transported through the passage, and the detection unit includes a radiation source and an x-ray fluorescence detector. The radiation source is configured to emit a radiation emission toward the inner surface of the passage to excite a portion of the inner surface, and the x-ray fluorescence detector is configured to detect a resulting x-ray emission from the portion of the inner surface to identify a material deposit on the inner surface. The detection unit can identify material deposits at successive positions along a length of the passage and thereby generate a plurality of data points, each data point providing an indication of a material deposit existence for a corresponding position along the length of the passage. | 2009-10-29 |
20090268869 | X-Ray Inspection System and Method - The invention provides an automatic system and method using x-ray inspection to image arrays of electrical interconnections on electronic devices. The electron beam of a rotating anode X-ray tube is deflected relative to the anode to cause emission of x-rays from different regions of the anode at different times. The x-ray tube is located at an inspection station for the electronic devices and disposed to irradiate a first part of the array of interconnections with x-rays emitted from a first region of the anode and to irradiate a further part of the array of interconnections with x-rays emitted from another region of the anode. X-rays emerging from the array of interconnections are detected and used to image part at least of the array in order to automatically register interconnection integrity failures and/or detect a performance trend in the formation of the connections. Typically, the arrays of electrical interconnections are established between a ball grid array on the underside of an electronics package and an array of blobs of solder paste on a printed circuit board. | 2009-10-29 |
20090268870 | Mobile radiation treatment vehicle and method - A mobile radiation treatment vehicle is disclosed including, a patient treatment compartment having at least one radiation shield member, the at least one radiation shield member positioned to prevent at least a portion of radiation emitted from a treatment device from passing through an interior of the patient treatment compartment to an outside area, the treatment device capable of emitting radiation used in connection with radiation therapy and positioned in the patient treatment compartment, and a shielded partition member positioned in the patient treatment compartment and proximate to the treatment device, the shielded partition member positioned to reduce or prevent exposure to a user from radiation emitted from the treatment device during patient treatment. | 2009-10-29 |
20090268871 | X-Ray Inspection with Contemporaneous and Proximal Transmission and Backscatter Imaging - An X-ray imaging inspection system for bags and packages. Transmission imaging is performed using a fan beam and a segmented detector, while scatter imaging is performed with a scanned pencil beam, with both beams active simultaneously. Cross-talk between the beams is mitigated by a combination of shielding, scatter detector design, positioning and orientation, and image processing. Image processing subtracts the measured radiation scattered from the transmission beam into the scatter detectors, reducing cross-talk | 2009-10-29 |
20090268872 | BETATRON WITH A CONTRACTION AND EXPANSION COIL - A betatron, especially in X-ray testing apparatus is provided, that includes a rotationally symmetrical inner yoke having two interspaced parts, an outer yoke connecting the two inner yoke parts, at least one main field coil, a toroidal betatron tube arranged between the opposing front sides of the inner yoke parts, and at least one contraction and expansion coil. An individual CE coil is respectively arranged between the front side of the inner yoke part and the betatron tube, and the radius of the CE coil is essentially the same as the nominal orbital radius of the electrons in the betatron tube. | 2009-10-29 |
20090268873 | X-RAY TUBE AND X-RAY SOURCE INCLUDING SAME - The present invention relates to an X-ray tube, having a structure for effectively suppressing discharge at a tip of an anode, irradiated with electrons in order to generate X-rays, and an X-ray source including the X-ray tube. In the X-ray tube, electrons emitted from an electron gun are made to collide with an X-ray target, and X-rays generated at the X-ray target due to the collision are taken out to an exterior. The X-ray tube includes: a head, defining an internal space that houses a tip of an anode; an irradiation window, transmitting the generated X-rays to the exterior; an exhaust port, disposed at an inner wall surface of a casing and being for vacuum drawing of the internal space; and a shielding structure, hiding the exhaust port from the tip of the anode. | 2009-10-29 |
20090268874 | BALL BEARING DESIGN TEMPERATURE COMPENSATING X-RAY TUBE BEARING - The rotating anode x-ray tube has a composite outer bearing made from two rings of a high hot-hardness material and a spacer between the two rings made of a constant coefficient of thermal expansion material. The spacer is welded to the two rings providing the composite outer bearing. One inner bearing race is formed from the shaft and the other inner bearing race is a one-piece inner race mounted on the shaft while the two rings have the corresponding outer races. | 2009-10-29 |
20090268875 | METHOD FOR REGISTERING A TWO-DIMENSIONAL IMAGE DATA SET, GENERATED USING FAN-SHAPED IMAGING RAYS, IN THE MEDICAL FIELD AND A CORRESPONDING COMPUTER PROGRAM PRODUCT AND METHOD AND SYSTEM FOR AUTOMATICALLY REGISTERING A BODY ON THE BASIS OF TWO-DIMENSIONAL IMAGE DATA, FOR USE IN MEDICAL NAVIGATION SYSTEMS - The present invention relates to a method for registering a two-dimensional image data set, generated using fan-shaped imaging rays, in the medical field, wherein the method comprises: processing the two-dimensional image data on the basis of a spatial transformation function which describes a spatial relative position between points which have been imaged using a fan-shaped imaging ray, and the imaging apparatus used for imaging; and processing the two-dimensional image data on the basis of an imaging transformation function which describes an imaging function of the imaging apparatus used for generating the two-dimensional image data set, which describes a spatial relationship between the actual spatial position of imaged points and their imaging location in a recording. | 2009-10-29 |
20090268876 | METHODS OF ASSESSING PERFORMANCE IN AN IMAGING SYSTEM - A system, method, and computer readable medium for facilitating the assessment of performance quality of an imaging system having a sensor subsystem. An imaging mode of operation of the imaging system is selected and at least one current set of digital image data of an imaging phantom device is acquired with the imaging system via the sensor subsystem. The currently acquired set of digital phantom image data is automatically compared to at least one previously acquired set of digital phantom image data representing a standard image of quality corresponding to the selected imaging mode of operation and the imaging phantom device to automatically determine if at least one sensor parameter of the sensor subsystem has changed. | 2009-10-29 |
20090268877 | METHOD AND SYSTEM FOR CALIBRATING AN X-RAY PHOTOELECTRON SPECTROSCOPY MEASUREMENT - A method and a system for calibrating an X-ray photoelectron spectroscopy (XPS) measurement are described. The method includes using an X-ray beam to generate an XPS signal from a sample and normalizing the XPS signal with a measured or estimated flux of the X-ray beam. The system includes an X-ray source for generating an X-ray beam and a sample holder for positioning a sample in a pathway of the X-ray beam. A detector is included for collecting an XPS signal generated by bombarding the sample with the X-ray beam. Also included are a flux detector for determining a measured or estimated flux of the X-ray beam and a computing system for normalizing the XPS signal with the measured or estimated flux of the X-ray beam. | 2009-10-29 |
20090268878 | System and Method for Remote Testing Of A Subscriber Loop - A system and method for testing a subscriber loop. A maintenance port of a switch is configured to dial a phone number associated with a subscriber loop. A remote device is commanded to initiate a test for the subscriber loop utilizing a test bus. Test measurements of the subscriber loop are received from a remote test head. | 2009-10-29 |
20090268879 | CHARACTERISTICS DETERMINATION OF A DIGITAL SUBSCRIBER LINE - A system, method, and transceiver unit for determining one or more properties of a digital subscriber line (DSL) utilizing a time-variable finite impulse response (FIR) filter. The transceiver unit sends a loop test signal to the line and calculates an impulse response of a reflection of the loop test signal from the line. The calculated impulse response is filtered utilizing the time-variable FIR filter and properties of the line are determined. Characteristics of the FIR filter may be controlled by a set of parameters that vary as a function of time according to a predetermined formula. As a result, the FIR filter provides both high time resolution of closely separated pulses and amplification of far-end pulse reflections. | 2009-10-29 |
20090268880 | SYSTEM AND METHOD FOR GENERATING ONE-WAY SPEECH SIGNAL SAMPLES - A system and method for generating one-way speech signal samples may include, in a telecommunications network, establishing a call connection between a far-end telephone and a near-end telephone. A resistance component may be selectively configured in parallel with the far-end telephone, where the resistance component has a value representative of resistance produced by the far-end telephone being off hook. A speech signal being communicated from the near-end telephone may be recorded. | 2009-10-29 |
20090268881 | Calling Party Announcement Apparatus - A calling party announcement apparatus that provides the identity of the caller in synthesized human speech. The invention captures the Incoming Caller Line Identification (ICLID) signal sent by the telephone company. The invention announces the calling party's identity to the called party through a built-in speaker and over the telephone receiver. The called party can elect to accept or reject the call before the telephone company central office has connected the two parties together. The invention makes it possible to screen incoming telephone calls without the aid of a special Caller ID telephone set or auxiliary Caller ID display terminal. The invention is installed in the customer premises, such as a residence or office, between the telephone line demarcation point and the telephone sets. The invention is compatible with any standard telephone set and subscriber trunks provisioned with the Caller ID enhanced customer feature. One of the most important features of the invention is its ability to deliver a vocalized announcement of the caller's identity over a standard telephone set's receiver without the call having actually been declared answered by the telephone company, and without the caller having been cut through. The call is not considered “answered” nor is it billed by the telephone company unless the called party or a telephone answering device , such as an answering machine, accepts the call. | 2009-10-29 |
20090268882 | OUTBOUND DIALOGUE SYSTEM AND DIALOGUE OPERATION METHOD - A dialogue system and a speech dialogue operation method are provided. In the system, an inquiry speech signal is generated according to data for specific person and is transferred to a receiver. In response to the inquiry speech signal, a reply speech signal is generated by the receiver, and after the reply speech signal is recognized, a speech correspondence signal is obtained. A ID recognition procedure is performed according to the speech correspondence signal, and a dialogue control signal is generated according to the result of the ID recognition procedure, and accordingly, a response speech signal is generated and transferred to the receiver to continue or terminate the dialogue. When the receiver is recognized to be matched with the specific person, a message delivering procedure is performed to deliver a message to be transferred to the specific person to the receiver. | 2009-10-29 |
20090268883 | Dynamically Publishing Directory Information For A Plurality Of Interactive Voice Response Systems - Methods, apparatus, and products are disclosed for dynamically publishing directory information for a plurality of interactive voice response (‘IVR’) systems through an IVR directory service that include: providing a description of a web services publication interface for the IVR directory service; receiving, on behalf of one or more IVR systems, web services publication requests through the publication interface; determining, in response to the web services publication requests, directory information for each IVR system requesting publication; adding the directory information for each IVR system to an IVR system directory; generating a voice mode user interface to reflect the directory information for each IVR system added to the IVR system directory; and interacting, using the voice mode user interface, with a caller to identify a particular IVR system in dependence upon the IVR system directory and query information provided by the caller and to connect the caller with the identified IVR system. | 2009-10-29 |
20090268884 | USING AN IVR TO REMOTELY OPERATE SECURITY SYSTEMS - The inventive method for remotely maintaining and controlling a security system comprises using a device to communicate using voice capable technology with an IVR in a host facility, selecting an action from a plurality of actions provided by the IVR, performing the action on the security system, and receiving notification of performance of the action, wherein the host facility contacts the security system to perform the action. In one embodiment, the actions can control and/or monitor the security system. The method can further comprise creating an account with an identification code on the host facility, and validating the code on the IVR. The method can also include translating the selected action into a command, sending a message to a GSM device in the security system, and, in response to the message, establishing a GPRS session between the security system and the host facility, wherein the session performs the command. | 2009-10-29 |
20090268885 | METHOD AND SYSTEM FOR CENTRALIZED RECORDING IN A DISTRIBUTED ENVIRONMENT - A system and method for central recording of telephone calls are provided. The method may include transferring a telephone call from a session border controller (SBC) to a contact center and to a central recording unit, transferring of CTI information from the contact center to the central recording unit, associating the CTI information to the telephone cal and determining by the central recording unit whether to record the call. | 2009-10-29 |
20090268886 | METHOD AND SYSTEM FOR INTERJECTING COMMENTS TO IMPROVE INFORMATION PRESENTATION IN SPOKEN USER INTERFACES - A method and an apparatus for providing audio information to a user. The method and apparatus provide information in multiple modes that represent various pieces of information and/or alternatives. | 2009-10-29 |
20090268887 | SYSTEM AND METHOD TO HANDLE PHONE LINE SERVICES DURING MODEM DIAL-UP CONNECTION - A method and system provides for notification of a called party of an incoming voice phone call intended for the called party even while the called party is engaged in data communications via a dial-up modem. In response to a calling party placing a call, a telecommunications network determining whether the called number is busy. If the called number is busy, the telecommunications network determines whether the called number is engaged in data communications. If the called number is engaged in data communications, the telecommunications network further: determines a data communication protocol being used by the called party to access the data network via a modem device, retrieves from a user profile of the called party one or more user notification addresses associated with the data communication protocol, and transmits an incoming call notification message to the one or more user notification addresses of the called party. A reporting notification message is further transmitted by the telecommunications network to the calling party to let the calling party know that the called party has been notified of the incoming call. | 2009-10-29 |
20090268888 | PHONE DIALING METHOD - A phone dialing method is carried out on a communication device when browsing photos so as to make a phone call. First, a browser is activated to load a picture. Face features of all the existing human faces are detected. The face features of all contacts in a directory are compared to find out the contact matching the characters of human face. Then, the phone number of the contact is dialed. Further, after the picture is loaded, a user may set an identification area to narrow down the scope of identifying human faces. After that, the characters of human face of the selected human face are analyzed, and a search is made in the directory to find the contact matching the characters of human face. Finally, call contact by the number of directory. | 2009-10-29 |
20090268889 | Presence Management System, Presence Notification Method, Server Unit, and Terminal Device - According to one embodiment, a presence management system comprises a server unit and a plurality of terminal devices. The server unit controls a plurality of presentities and a plurality of watchers. The terminal devices may be set to any of the presentities and the watchers for other terminal devices. The server unit includes a database, a reading module and a notification processing module. The database stores a relationship table in which parameters showing relationships to each watcher for each presentity in a table form. The reading module reads each of the parameters of the watchers for presentities of their change sources from the database when changes in presence of the presentities working under the server unit. The notification processing module notifies the presences of the presentities to each watcher for the presentities of the change sources at timing in accordance with the read parameters. | 2009-10-29 |
20090268890 | TARGETING ADS BY TRACKING CALLS - By providing a method for acquiring consumer data without user interaction, such as analyzing CDRs to identify consumers of businesses, for example, advertisers may more accurately target advertisements to users that are more likely to find the advertisements useful or relevant. CDRs may be utilized to identify specific callers or households who have called a particular or type of business, a concentration above a certain interest level who call certain businesses, or any other information indicative of interest in a topic, candidate, business, or similar entity that would benefit from advertising. | 2009-10-29 |
20090268891 | TELEPHONE SYSTEM, POSITIONAL INFORMATION SERVER, TELEPHONE EXCHANGE, AND METHOD OF CONTROLLING TELEPHONE SYSTEM - A system includes a storage for storing positional information of telephone terminals, a determiner for being notified of a called telephone terminal by an exchange which received a call from a calling telephone terminal, and determining whether the called telephone terminal is in a particular area, and an indicator for, if the called telephone terminal is in the area, retrieving a telephone terminal in a range based on the called telephone terminal, as a neighboring terminal, and indicating the neighboring terminal to the exchange. The exchange includes a requester for sending a connection request to another exchange, to request that a connection be made between the called telephone terminal and the neighboring terminal, and a caller for receiving a connection request from another exchange and sending a call to a telephone terminal which is assigned by the connection request. | 2009-10-29 |
20090268892 | COMMUNICATION TERMINAL AND METHOD FOR PROVIDING COMMUNICATING STATUSES OF PHONE NUMBERS IN ELECTRONIC PHONEBOOK THEREOF - A communication terminal includes an electronic phonebook, a status requesting unit, a communication unit and an updating unit. The electronic phonebook records phone numbers, and a communicating status corresponding to each of the phone numbers. The status requesting unit generates a request of reading the communicating statuses of the monitored phone numbers in the electronic phonebook. The communication unit transmits the generated request to a communication switching center and receives the communicating statuses of the monitored phone numbers transmitted by the communication switching center. The updating unit updates the communicating statuses of the monitored phone numbers according to the received communicating statuses. | 2009-10-29 |
20090268893 | Temporary provisioned public call treatment for calls initiated from a private party device - Methods are disclosed for provisioning a private party telephony device for public call treatment on a temporary basis (for example, before allowing third party use of the device) and applying such public call treatment for call originations or terminations. Billing in public call treatment is arranged with assistance of an operator services platform with the user (for example, the third party user) of the private party telephony device. Advantageously, therefore, in public call treatment mode, the owner of the private party phone need not police third party use of the phone and will not be billed for such third party use. The owner may resume private call treatment when desired by converting the device from public mode to private mode. | 2009-10-29 |
20090268894 | Communication Device - A communication device is provided. The communication device includes a call origination unit that originates a call to a communication terminal device; a shift unit that sets as a granted device the communication terminal device to which the call has been originated, and that shifts the communication device to a limit mode in which communication with a communication terminal device which is not set as a granted device is limited, after the call is originated by the call origination unit; and a control unit that determines whether an incoming call is from a granted device when an incoming call is received while the communication device is in the limit mode, that permits communication if the incoming call is from a granted device, and that limits communication if the incoming call is from a device other than a granted device. | 2009-10-29 |
20090268895 | System and Method for Network Based Call Transfers - A system and method for transferring calls between multiple devices. A call is communicated through a network device to a first phone utilizing a first communications service. The call is transferred from the first phone to a second phone. The call being transferred in response to a user selection associated with the second phone. The call is transferred from the second phone to a third phone. The second phone or the third phone utilizes a second communications service. The call being transferred in response to a user selection associated with the third phone. | 2009-10-29 |
20090268896 | INCOMING CALL INFORMATION TRANSMISSION SYSTEM - An incoming call information transmission system is provided for transmitting incoming call information called to a first communication device via a first communication system service. The incoming call information transmission system includes a virtual secretary system, a database system, an information management system and an information transmission system. The virtual secretary system records the incoming call information. The database system stores preset account information corresponding to a first account of a second communication system service. The first account is logged in the server system providing the second communication system service via the second communication device. The information management system receives the incoming call information and gets the preset account information by looking up the database system. The information management system further generates a first request command for controlling the information transmission system to transmit the incoming call information to the second communication device via the second communication system service. | 2009-10-29 |
20090268897 | METHOD FOR SELECTION AND ROUTING OF AN INBOUND VOICE CALL TO AN APPROPRIATE NETWORK FOR COMPLETION - A method of directing a call includes receiving a call connection request, the call connection request including an identifier associated with a called party. The method also includes determining a network category associated with the called party in response to receiving the call connection request and generating an instruction operable to direct the call connection request to a selected one of at least two networks accessible for communication by the called party. The network is selected by the instruction in response to the determined network category associated with the called party. | 2009-10-29 |
20090268898 | METHOD AND APPARATUS FOR CONFIGURING AN AUTOMATIC CROSS CONNECT SYSTEM AT A REMOTE WIRING HUB - A method and apparatus for configuring connectivity at a hub having a plurality of subscriber lines from a plurality of subscriber premises and a plurality of feeder lines from a central office. The hub provides connectivity between the plurality of subscriber premises and the central office. The method and apparatus include categorizing the plurality of subscriber lines into a plurality of groups based on penetration rates and chum rates of the plurality subscriber lines. Each group of subscriber lines are connected to feeder lines based on the penetration and chum rates for POTS and/or DSL services. Subscriber line groups with high penetration rates and high/low chum rates are coupled directly to feeder lines. Subscriber line groups with low penetration rates and high/low chum rates are terminated at the hub. Subscriber lines with an intermediate penetration rate are candidates for being connected to the feeder lines via an automatic switch. | 2009-10-29 |
20090268899 | SOUND PICKUP APPARATUS AND CONFERENCE TELEPHONE - A sound pickup apparatus includes a plurality of microphones, and a controller that receives signals from the plurality of microphones respectively. When the controller detects a failure in one of the plurality of microphones based on the signals received from the plurality of microphones, the controller restricts a signal from at least one remain non-failure microphone. | 2009-10-29 |
20090268900 | SIGNED MONTGOMERY ARITHMETIC - A system and method configured for applying Montgomery style reduction directly to negative quantities as well as positive values, producing the new form which does not require conditional operations to move values into the positive range. The low-order components of the resulting product, or partially completed product, can be reduced either by the addition of multiples of the modulus, as is usual in the standard Montgomery multiplication which accepts positive values, or by subtracting multiples of the modulus, which of course depends on the actual computation. Signed versions of the Montgomery values in a Montgomery computation are used to avoid the conditional addition and subtraction that can leak information, for example, using a two's complement representation. | 2009-10-29 |
20090268901 | CONTINUOUS VARIABLE QUANTUM ENCRYPTION KEY DISTRIBUTION SYSTEM - A continuous variable quantum encryption key distribution system comprises a sender (Alice) able to randomly choose the phase and the amplitude of each coherent light pulse of a signal, to provide a coherent state defined by a first quadrature and a second quadrature that are random, and to transmit to a receiver (Bob) the signal pulses (S) and a local oscillator (LO), the receiver comprising a homodyne detector ( | 2009-10-29 |
20090268902 | SYSTEM FOR AND METHOD OF CRYPTOGRAPHIC PROVISIONING - A system for and method of securely provisioning a module with cryptographic parameters, such as cryptographic keys and key tables, is presented. Such modules may be used to enable encrypted communications between mobile phones to which they are coupled. The system and method prevent a malevolent individual involved in manufacturing the modules from compromising the security of the module. In particular, the modules are provisioned by an entity different from the manufacturer. | 2009-10-29 |
20090268903 | NETWORK STORAGE SERVER WITH INTEGRATED ENCRYPTION, COMPRESSION AND DEDUPLICATION CAPABILITY - A network storage server receives multiple write requests from a set of clients via a network and internally buffers multiple data blocks written by the write requests. At a consistency point, the storage server commits the data blocks to a nonvolatile mass storage facility. The consistency point process includes using a storage operating system in the network storage server to compress the data blocks, encrypt selected data blocks, and store the compressed and (possibly) encrypted data blocks in the nonvolatile mass storage facility. Data blocks can also be fingerprinted in parallel with compression and/or encryption, to facilitate subsequent deduplication. Data blocks can be indexed and classified according to content or attributes of the data. Encryption can be applied at different levels of logical container granularity, where a separate, unique cryptographic key is used for each encrypted data container. | 2009-10-29 |
20090268904 | DISPLAY DEVICE FOR VISUALLY RECONSTRUCTING AN IMAGE - The invention relates to a display device for visually reconstructing an image ( | 2009-10-29 |
20090268905 | ELECTRONIC DEVICE, CONTENT REPRODUCTION CONTROL METHOD, PROGRAM, STORAGE MEDIUM, AND INTEGRATED CIRCUIT - In order to play back a content while managing the right on use of the content, such as a total time of playback of the content, an electronic device stores right information in a right temporary storage unit | 2009-10-29 |
20090268906 | Method and System for Authorized Decryption of Encrypted Data - The present invention relates to a method and a system for authorized decryption of encrypted data. First, the encrypted data is provided. Then the validity of at least two certificates is verified. If the validity check is positive, a key is provided, which can be used to decrypt the encrypted data. | 2009-10-29 |
20090268907 | Optical Media Recording Device for Protecting Device Keys and Related Method - To protect device keys, an optical media recording device capable of performing AACS encryption on data does not have any device keys, and the optical media recording device performs AACS encryption by activating recording software stored in a memory the optical media recording device, and utilizing a pre-calculated media key stored in the memory of the optical media recording device to perform AACS encryption on the data. | 2009-10-29 |
20090268908 | Methods and Apparatus for Securely Classifying Data - Techniques are disclosed for securely classifying or decoding data. By way of example, a method of determining a most likely sequence for a given data set comprises a computer system associated with a first party performing the following steps. An encrypted model is obtained from a second party. The encrypted model is utilized to determine cost values associated with a particular sequence of observed outputs associated with the given data set. The cost values are sent to the second party. At least one index of a minimum cost value determined by the second party from the cost values sent thereto is obtained from the second party. A minimum cost sequence resulting from the at least one index is determined as the most likely sequence. | 2009-10-29 |
20090268909 | METHOD FOR OPERATING A WIRELESS SENSOR NETWORK - A method for operating a wireless sensor network, wherein the sensor network includes a multitude of distributed sensor nodes for sensing data within a pre-definable environment, and wherein the sensor nodes can exchange information via encrypted data transmissions over a radio Channel is—regarding the fact that during the operational phase of the network the Performance of changes in the network, in particular the composition of the sensor nodes that are integrated in the network, is allowed in a flexible way—characterized in that a subset of sensor nodes of the network is manipulated in order to establish a shared secret (x) by transferring a defined information to the sensor nodes of the subset over a secure out of band (OOB) Channel. | 2009-10-29 |
20090268910 | Apparatus and method for initialization of a scrambling sequence for a downlink reference signal in a wireless network - A method for generating a variable reference signal is provided. The method comprises initializing a scrambling sequence generator at the start of a 10 millisecond (ms) radio frame. The variable reference signal is generated for the radio frame based on different antenna ports, sequence length per antenna port and an initialization seed constructed with a specified equation. Additionally, the variable reference signal is initialized at the start of a 1 ms radio subframe based on a constructed initialization seed. | 2009-10-29 |
20090268911 | Securing Wireless Body Sensor Networks Using Physiological Data - A password protocol for establishing secure communications between sensor nodes in a network using secure environmental values (SEV). A first sensor sends a message to a second sensor comprising the first sensor's location and a key encrypted by a first SEV. The second sensor responds with a message comprising a key encrypted by a second SEV and a first nonce encrypted by a session key. The first sensor sends a third message comprising the first nonce and a second nonce encrypted by the session key. The second sensor verifies the first nonce and sends a fourth message comprising the encrypted second nonce. The first sensor then verifies the second nonce. | 2009-10-29 |
20090268912 | DATA USE MANAGING SYSTEM - [Problems] To provide a data use managing system which forces a face- to face permission by an administrator of confidential data when using the confidential data stored in mobile terminal. | 2009-10-29 |
20090268913 | TIMING ADJUSTMENT FOR SESSION SECURITY PROTOCOL - According to certain embodiments of the present invention, cryptosynchronization values are calculated on an initiating and/or responding device in a communications system such that cryptosynchronization-based procedures might succeed even when the discrepancy between the system times of the initiating and responding devices exceeds the cryptosync constraints imposed by the communications system. In one embodiment, the initiating device add/subtracts a cryptosynchronization adjustment value x to/from the initiating device's system time to yield an adjusted initiator cryptosynchronization value. In another embodiment, the receiving device adjusts the receiving device's system time to yield an adjusted receiver cryptosynchronization value. | 2009-10-29 |
20090268914 | Securing Wireless Body Sensor Networks Using Physiological Data - A computer implemented method, apparatus, and computer program product for securing wireless body sensor networks with a three party password protocol. The password protocol combines the Bellare-Rogaway 3PKDP (three-party key distribution protocol) and the Diffie-Hellman password protocol. The three party password protocol also uses physiological values in place of passwords in one of the key exchanges. The other key exchanges in the protocol use symmetric key cryptography. The combination of the Bellare-Rogaway three-party key distribution protocol and the Diffie-Hellman password protocol allows two sensors which do not measure the same environmental data to authenticate and establish keys. | 2009-10-29 |
20090268915 | Secure Creation and Management of Device Ownership Keys - Secure creation and management of device ownership keys. TPM ownership keys are generated by cryptographically combining manufacturer information with device specific information. Ownership keys are established in the TPM containing device. The manufacturer retains necessary information to reconstruct the ownership key if needed. | 2009-10-29 |
20090268916 | FM TRANSMITTER - An FM transmitter improved in degree of freedom of selecting components. The FM transmitter comprises an oscillator | 2009-10-29 |
20090268917 | Dynamic Power Sharing in a Multi-Channel Sound System - A signal processing system for use in a multi-channel audio system having a plurality of power amplifier channels connected to a plurality of loudspeakers and power amplifiers, configured to receive and reproduce audio signals through the loudspeakers, and at least a first channel of the plurality of power amplifier channels amplifying a first audio signal, comprises a processor responsive to a signal level threshold applicable to at least said first channel, such that at and above the signal level threshold, the first audio signal in the first channel is amplitude limited and a portion of at least the first audio signal is mixed into at least a second channel. The amplitude limiting and signal mixing is configured so as to reduce introduction of at least one of: a) audible tonal distortion; and b) perceivable spatial distortion; of a sonic presentation due to said limiting and signal mixing. | 2009-10-29 |
20090268918 | Transducer displacement protection - This invention relates to the mechanical protection using digital processing and a predictive estimation of instantaneous displacement of the voice coil in a loudspeaker transducer. | 2009-10-29 |
20090268919 | METHOD AND APPARATUS TO MEASURE HEARING ABILITY OF USER OF MOBILE DEVICE - Provided are a method and apparatus to measure in real time the hearing ability of a user in a game environment of a mobile device. The method includes generating a series of sound patterns and visual patterns for a combination of a specific frequency and level of sound, and extracting ear characteristics of the user based on the user's responses to the series of sound patterns and visual patterns. | 2009-10-29 |
20090268920 | Cardioid beam with a desired null based acoustic devices, systems and methods - An acoustic device is provided with first and second one or more acoustic elements to generate a first signal that includes mostly undesired audio and substantially void of desired audio, and a second signal that includes desired as well undesired audio respectively. The first one or more acoustic elements are designed and arranged to generate a Cardioid beam with a null at an originating direction of the desired audio. The second one or more acoustic elements are designed and arranged to generate a complementary beam that includes the desired audio. A system is provided with an appropriate signal processing logic to recover the desired audio using the first and second signals. The signal processing logic may practice echo cancellation like techniques or blind signal separation techniques. | 2009-10-29 |
20090268921 | WIRELESS HEADSET WITH INTEGRATED MEDIA PLAYER - Additional functionality in a wireless headset allows it to be used during times that the external device with which it is wirelessly coupled is not being used, but when the headset is nevertheless being worn. This is accomplished by integrating a media player into the wireless headset. The media player may be an audio player, capable, e.g., of playing audio files such as MPEG-3 (“MP3”) files. Optionally, the media player may include a recording function as well, so that a user can record voice notes. In addition, if the external device is a telephone (mobile or landline), the availability of a recording function could make it possible for the user to record all or part of a conversation. Similarly, voicemail messages received on the user's telephone could be uploaded into the headset for later off-line playback. Media files recorded by the headset also could be downloaded to the external device. | 2009-10-29 |
20090268922 | PERSONAL COMPUTER ADAPTOR DEVICE, PERSONAL COMPUTER SIGNAL REPRODUCING SYSTEM, PERSONAL COMPUTER REPRODUCING METHOD, PERSONAL COMPUTER SIGNAL REPRODUCING PROGRAM, OUTPUT DEVICE CONTROL PROGRAM, PERSONAL COMPUTER ADAPTOR DEVICE CONTROL PROGRAM, PERSONAL COMPUTER CONTROL PROGRAM, POWER LINE COMMUNICATION CONNECTOR DEVICE, CRADLE DEVICE USING THE SAME, AND POWER LINE COMMUNICATION REPRODUCING SYSTEM - The personal computer adaptor device is provided with an adaptor-side signal input terminal connectable to a headphone terminal for audio signals of a personal computer, a control signal output terminal connectable to a microphone terminal of the personal computer, a plug unit connectable to an outlet jack of a power line, a digital converter for converting audio signals inputted from the adaptor-side signal input terminal into digital signals, an adaptor-side power line communication transmitting unit for transmitting audio signals via the power line connected to a plug unit, an adaptor-side power line communication receiving unit for receiving control signals of the personal computer transmitted from the output device connected to the power line via the power line connected to the plug unit, and an analog converter for converting control signals into analog signals and outputting them from the control signal output terminal. | 2009-10-29 |
20090268923 | Wireless transmission-AV system of outdoor furniture - A wireless transmission-AV system for an outdoor furniture includes a speaker unit built-in with a furniture frame and a wireless control electrically connected to the speaker unit for wirelessly linking an AV player with the speaker unit, wherein the wireless control has a wireless range covering an area of the furniture frame in such a manner that the speaker unit is adapted for generating an audio signal wirelessly transmitted from the AV player through the wireless control when the AV player is located within the wireless range. Therefore, the user is able to wirelessly link his own AV player to the wireless transmission-AV system to listen to his own music. | 2009-10-29 |
20090268924 | AUTOMOBILE PERSONAL RADIO RECORDER - In one embodiment, an audio recorder is disclosed that interfaces with an automobile radio. The audio recorder includes a radio tuner that receives radio frequency signals and converts the signals to audio output and an audio comparator that compares audio output from the radio tuner with audio output of the automobile radio and tunes the radio tuner until the audio output of the audio tuner is synchronized with the audio output of the automobile radio. An audio storage device is activatable to record the audio output of the radio tuner for later playback. | 2009-10-29 |
20090268925 | MICROPHONE ARRANGEMENT - A microphone arrangement includes multiple pressure gradient transducers having a diaphragm, a first sound inlet opening, and a second sound inlet opening. A directional characteristic of each of the pressure gradient transducers have a direction of maximum sensitivity in main directions. The main directions of the pressure gradient transducers are inclined. A pressure transducer has an acoustic center lying within an imaginary sphere with multiple acoustic centers of the pressure gradient transducer. The imaginary sphere has a radius corresponding to about double the largest dimension of the diaphragms of the pressure gradient transducers and the pressure transducer. | 2009-10-29 |
20090268926 | SEMICONDUCTOR INTEGRATED CIRCUIT AND CONDENSER MICROPHONE - A semiconductor integrated circuit for a condenser microphone according to one exemplary aspect of the present invention includes a first resistor, a second resistor, a power supply terminal, a first capacitor, and a first diode. The first resistor and the second resistor are connected between a drain of an output transistor and an output terminal in series. The power supply terminal is connected to a source of the output transistor. The first capacitor is arranged between the power supply terminal and a connection point of the first resistor and the second resistor. The first diode is connected in parallel with the first capacitor. | 2009-10-29 |
20090268927 | Fuse - The invention fuse is a new type of guitar amplifier. This new amp allows for digital chips to be plugged into the amp and to be played. The amp processes the digital chips and guitar player can play whatever is stored on digital chips. This allows for the buying of chips to play whatever is liked and the amp processes the digital chips that store the amp sounds when guitar is played. The digital chips store sounds that are plugged into the amp. | 2009-10-29 |
20090268928 | Sound-Permeable Film, Electronic Component with Sound-Permeable Film, and Method of Producing Circuit Board Having Electronic Component Mounted Thereon - A sound-permeable film ( | 2009-10-29 |
20090268929 | VOICE OUTPUT DEVICE AND METHOD, PROGRAM, AND ROOM - The present invention relates to a sound output device, method and program, and room capable of producing sounds from individual parts in a wide range of a vibrating member by appropriately vibrating the parts. A vibrating member | 2009-10-29 |
20090268930 | ELECTRET CONDENSER MICROPHONE - The present invention provides an electret condenser microphone including a diaphragm, a frame adapted to affix the diaphragm to, and a backplate positionable inside the frame and opposite the diaphragm with a space reserved therebetween. | 2009-10-29 |