28th week of 2009 patent applcation highlights part 26 |
Patent application number | Title | Published |
20090175358 | VIDEO PROCESSING SYSTEM AND TRANSCODER FOR USE WITH LAYERED VIDEO CODING AND METHODS FOR USE THEREWITH - A video processing system includes a video transcoder that receives a independent video layer stream and a first dependent video layer stream that requires the independent video layer for decoding, the video transcoder generating a transcoded video signal based at least one of the independent video stream and the dependent video layer stream. | 2009-07-09 |
20090175359 | Inter-Layer Prediction Method For Video Signal - The present invention relates to a method for using interlaced video signal of a base layer in interlayer texture prediction. The present method applies a de-blocking filter to the image obtained by interleaving an interlaced video signal of a base layer, separates the de-blocked image into even-field and odd-field components, interpolates the even-field and the odd-field components respectively in vertical and/or horizontal direction, and constructs a combined video data by interleaving the interpolated even-field and odd-field components. | 2009-07-09 |
20090175360 | TECHNIQUES FOR COMPRESSING DIFFERENTIAL SAMPLES OF BANDWIDTH-LIMITED DATA TO REDUCE BANDWIDTH AND POWER CONSUMPTION BY AN INTERFACE - Techniques and technologies are provided for compressing differential samples of bandwidth-limited data and coding the compressed differential samples to reduce bandwidth and power consumption when communicating bandwidth-limited data over a serial interface which couples one integrated circuit to another integrated circuit. | 2009-07-09 |
20090175361 | CHANNEL CODING METHOD OF VARIABLE LENGTH INFORMATION USING BLOCK CODE - A channel coding method of variable length information using block code is disclosed. A method for channel-coding information bits using a code generation matrix including 20 rows and A columns corresponding to length of the information bits includes, channel-coding the information bits having “A” length using basis sequences having 20-bit length corresponding to columns of the code generation matrix. If “A” is 10, individual basis sequences of the code generation matrix correspond to column-directional sequences of a specific matrix composed of 20 rows and 10 columns. The specific matrix is made from 20 rows of the (32,10) code matrix used for TFCI coding were selected. | 2009-07-09 |
20090175362 | APPARATUS, AND ASSOCIATED METHOD, FOR DETECTING PACKETS - In a robust system and method for detecting packets in SISO and MIMO broadband multicarrier transmission, a packet detector computes continuously the sum of the moduli of the power-normalized auto-correlations of a sequence of received signals ( | 2009-07-09 |
20090175363 | Assignment of sub-channels to channels in a multi transmission-channel system - A method of allocating a set of sub-channels to a plurality of transmission channels in a multi transmission-channel system comprising the steps of; mapping a first, non-zero, set of sub-channels to a first transmission channel, mapping a second, non-zero, set of sub-channels to a second transmission channel, wherein at least one sub-channel of the first set and at least one sub-channel of the second set are allocated to one receiving unit. | 2009-07-09 |
20090175364 | METHODS AND APPARATUS FOR MAXIMUM RATIO COMBINING FOR DUPLICATED SIGNALS IN OFDMA SYSTEMS - In accordance with a method for processing a received orthogonal frequency division multiple access (OFDMA) signal that comprises a duplicated signal, sub-carriers within the OFDMA signal may be arranged into a duplicated format. The OFDMA signal may be equalized and combined after the sub-carriers have been arranged into the duplicated format. The equalizing and combining may be performed in accordance with a maximum ratio combining (MRC) scheme. The OFDMA signal may be demapped after the equalizing and combining is performed. | 2009-07-09 |
20090175365 | Modulation and demodulation apparatuses and methods for wired/wireless communication system - Wired/wireless optical signal modulation and demodulation apparatuses and methods using an intensity modulation/direct detection method and an orthogonal frequency division multiplexing (OFDM) method are provided. A unipolar OFDM symbol frame is generated by determining the polarity of each of a plurality of sub-frames of a bipolar OFDM symbol frame which comprises both a plurality of positive pulses and a plurality of negative pulses, inverting the polarity of the sub-frames which are determined to be negative, delaying one of the positive sub-frame and a positive sub-frame obtained through the inversion by the duration of the sub-frames, and multiplexing the result of the delaying and whichever of the positive sub-frame and the positive sub-frame obtained through the inversion is not the result of the delaying. The unipolar OFDM symbol frame can guarantee high power amplification efficiency and high transmission power efficiency, and is robust against a multi-path channel environment. Therefore, the unipolar OFDM symbol frame can be used in various optical signal modulation/demodulation methods for wireless indoor broadband optical transmission devices, wired broadband optical transmission devices using multi-mode optical fibers, and radio-over-fiber devices which transmit baseband analog signals as optical signals. | 2009-07-09 |
20090175366 | METHOD AND SCHEME FOR SPACE-TIME CODED COCHANNEL INTERFERENCE CANCELLATION - An apparatus, system, and method for space-time cochannel interference cancellation are described. The apparatus may include a time stacking module to stack consecutive subcarrier signals for a period of time equal to several symbols and a space-time subcarrier beamformer module to perform space-time subcarrier beamforming by applying space-time beamformer weights to stacked symbols on one or more subcarriers. The space-time beamformer weights may be calculated based on spatial and time correlation properties of one or more interference signals. Other embodiments are described and claimed. | 2009-07-09 |
20090175367 | WIRELESS COMMUNICATION DEVICE - A wireless communication device ( | 2009-07-09 |
20090175368 | Multiple Resolution Mode Orthogonal Frequency Division Multiplexing System and Method - The disclosed embodiments relate to a system and method for processing communication signals. An exemplary method of processing a received orthogonal frequency division multiplexing (OFDM) broadcast signal having a frequency spectrum comprises demodulating the OFDM broadcast signal over a subset of the frequency spectrum to create a first demodulated signal component corresponding to a first signal component the first signal component being representative of a lower resolution version of a second signal component and providing data corresponding to the first demodulated signal component. | 2009-07-09 |
20090175369 | MOBILE STATION AND A BASE STATION - A mobile station includes a control unit configured to change at least one parameter for a retransmission packet from that of a transmission packet, where the at least one parameter is selected from a data modulation scheme; a channel coding rate; a puncturing pattern; a spreading factor; a frequency bandwidth; a frequency allocation position; and transmission power. A base station includes a retransmission format determining unit configured to determine a pattern used for changing at least one parameter for a retransmission packet from that of a transmission packet to determine a format for the retransmission packet, where the at least one parameter is selected from a data modulation scheme; a channel coding rate; a puncturing pattern; a spreading factor; a frequency bandwidth; a frequency allocation position; and transmission power; and a control signal generating unit configured to generate a control signal based on the format for the retransmission packet determined by the retransmission format determining unit. | 2009-07-09 |
20090175370 | PILOT SIGNAL TRANSMITTING METHOD, RADIO COMMUNICATION SYSTEM, AND APPARATUS AND PROGRAM USED FOR THE SAME - A larger cell uses a pilot pattern with a higher pilot density in a frequency axis direction to improve a channel estimation accuracy when a frequency selective fading variation is large. Meanwhile, a smaller cell uses a pilot pattern with a lower pilot density in the frequency axis direction. A pilot pattern that each base station uses is transmitted to a mobile station in a cell as a report signal. | 2009-07-09 |
20090175371 | Methods and apparatus for downlink PDSCH power setting - Methods and apparatus for transmitting power setting information in a downlink Physical Downlink Shared Channel (PDSCH) in a communication system. In this communication system, a plurality of methods for calculating traffic-to-pilot ratios (T2P) are established. In addition, a mapping scheme between a plurality of overhead signals and a plurality of reference signal (RS) overhead ratios, η | 2009-07-09 |
20090175372 | METHOD OF TRANSMITTING DATA IN WIRELESS COMMUNICATION SYSTEM - A method of transmitting data in a wireless communication system, includes: transmitting first data via a first frame for a first wireless communication system; transmitting second data via a second frame for a second wireless communication system supporting backward compatibility with respect to the first wireless communication system; and transmitting control information with respect to the first and second frames, wherein the control information includes a frame control header (FCH) which indicates information about the second frame by using a reserved bit region of the first frame. | 2009-07-09 |
20090175373 | SYMBOL MAPPING METHOD FOR REPETITION CHANNEL CODING - A symbol mapping method for repetition coding is disclosed. The symbol mapping method comprises performing repetition coding on codeword to output repeated codeword symbols, and mapping the repeated codeword symbols with subcarriers located in different localized resource blocks. According to the embodiments of the present invention, it is possible to obtain maximum reliability in a receiving side by mapping codeword bits with subcarriers to reduce the number of bits having low reliability when a transmitting side uses repetition coding. Also, it is possible to improve decoding throughput and obtain channel diversity. | 2009-07-09 |
20090175374 | Multiple-Input Multiple-Output Transmission System - In a multiple-input multiple-output transmission system (MIMO system), a receive station detects whether or not there is an error in each data stream, estimates the state of the propagation path of each transmit antenna and reports, to the transmitting side, re-transmission necessary/unnecessary information, for every data stream, created based upon whether or not there is an error, and the state of the propagation path of each transmit antenna. A transmit station decides a transmit antenna that transmits a data stream requiring re-transmission, based upon the reported state of the propagation path of each transmit antenna, and re-transmits the data stream requiring re-transmission from the transmit antenna decided. | 2009-07-09 |
20090175375 | Joint Optimization of Linear Pre-Filtering and Nonlinear Vector Perturbation for MIMO Multiuser Precoding - A method includes jointly optimizing a vector perturbation and a linear pre-filter, applying said vector perturbation to a transmit data vector (s) to produce an output vector, applying said linear pre-filter (G) to said output vector to produce a transmit signal (x), and computing a scaling factor (γ). | 2009-07-09 |
20090175376 | DATA COMMUNICATION IN A WIRELESS COMMUNICATION SYSTEM USING SPACE-TIME CODING - A method of controlling data communication in a wireless communication system comprises measuring channel quality from data received from a base station having multiple antennas, wherein the base station and a mobile station are in a closed loop space-time coding (STC) communication. The method also comprises determining a first weight matrix based on a number of the multiple antennas of the base station, the weight matrix comprising weight elements. The method also comprises determining a second weight matrix from the first weight matrix in response to a predetermined condition, wherein the second weight matrix is associated with controlling data output using the multiple antennas of the base station for subsequent transmission. The method also comprises providing a number of STC outputs to the base station, wherein the number of STC outputs is associated with the second weight matrix. | 2009-07-09 |
20090175377 | DIGITAL SIGNAL TRANSMITTING APPARATUS - A digital signal transmitting apparatus that prevents occurrences of highness and lowness in error tolerance due to bit positions without raising the redundancy and without retransmittal. In the digital signal transmitting apparatus, a bit interchanging part ( | 2009-07-09 |
20090175378 | System and Method for Impedance Mismatch Compensation in Digital Communications Systems - A system and method for digitally providing impedance mismatch compensation for a communications medium in a communications device. A method comprises producing a power amplifier (PA) output signal, providing the PA output signal to a digitally-controlled transmission line (DCTL), transforming a first load impedance to a second load impedance producing a DCTL output, and coupling the DCTL output to an antenna. The PA having the first load impedance and the transforming is controlled by a digital control word provided to the DCTL. | 2009-07-09 |
20090175379 | Transmitter Identification For Wireless Signals Having A Digital Audio Broadcast Physical Layer - According to one embodiment, an apparatus having corresponding computer-readable media comprises: a transmitter marking module adapted to insert a pseudonoise sequence into a Null symbol of a digital audio broadcast (DAB) transmission frame; wherein the pseudonoise sequence represents an identity of a transmitter adapted to transmit a wireless signal representing the DAB transmission frame. According to another embodiment, an apparatus having corresponding computer-readable media comprises: a transmitter identification module adapted to identify a transmitter of a wireless signal representing a digital audio broadcast (DAB) transmission frame based on a pseudonoise sequence present in a Null symbol of the DAB transmission frame. | 2009-07-09 |
20090175380 | Complex Signal Scaling for Phase and/or Amplitude Modulated Signals - A signal scaling device (D), for a transmission path of a wireless communication equipment, comprises a processing means (PM) adapted to receive a phase and/or amplitude modulated signal (I/Q) to transmit, and arranged to multiply said phase and/or amplitude modulated signal with a chosen complex gain in order to output said phase and/or amplitude modulated signal with a chosen scaled amplitude and a chosen phase offset. | 2009-07-09 |
20090175381 | DIGITAL RECEIVER FOR REACTIVE RADIO - A digital receiver is disclosed. In one aspect, the receiver includes a receiving module for receiving packetized data. The receive may further include a first processing module for packet detection having a first programmable processor. The receiver may further include a second processing module for demodulation and packet decoding having a second programmable processor. The receiver may further include a first digital receive controller having a third processor arranged for being notified of detection of data by the first processing module and for activating the second processing module. | 2009-07-09 |
20090175382 | PROCESS FOR RECEIVING A BROADBAND ELECTROMAGNETIC SIGNAL - In a process for receiving a broadband electromagnetic signal, the receiving spectrum is divided into n partial spectrums (n>1), which are subjected to parallel further processing in n channels. The resulting n partial signals are then demodulated into the base band, digitized by n equal-type analog-to-digital converters, and spectrally transformed by a fast Fourier Transform. Interfering edge effects at the transition to the respectively adjacent channel are compensated by amplitude and phase correction of the n partial signals for compensating. Finally, the partial spectrums of the n partial signals are integrated to form a total spectrum in the frequency domain. | 2009-07-09 |
20090175383 | Wireless Communication Using Beam Forming And Diversity - A method and apparatus for wirelessly transmitting real-time data streams is described. To ensure continuous data flow, fast diversity and slow diversity can be used. Fast diversity chooses a receive antenna based on received signal parameters, such as signal strength, during the transmission header and prior to information transfer. Slow diversity stores received signal parameters from previous packets, associates the parameters with a selected antenna, and uses the parameter history to denote a “default” antenna. Additionally, receive and/or transmit beam forming can be used to maintain continuous communication between stations. Beam forming, which combines antenna signals to maximize performance, is possible when at least two transmit/receive signal processing chains are available. | 2009-07-09 |
20090175384 | MULTI-SYMBOL NONCOHERENT CPM DETECTOR HAVING A TRELLIS STRUCTURE AND A LOCK DETECTOR THEREFOR - Multi-symbol non-coherent continuous phase modulation (CPM) detectors having a trellis structure, methods of continuous phase detection using a trellis structure, and trellis-based lock detectors and methods for digitally modulated signals are described. The continuous phase modulation detector includes receiver, observation, memory, and adjustment portions. The receiver has a trellis structure and is adapted for receiving digitally modulated signals having a generally continuous phase. The observation portion is adapted for performing multi-symbol observations on received digitally modulated signals and the memory is adapted for storing historic observation data corresponding to multi-symbol observations performed by the observation portion. The adjustment portion is adapted for selectively adjusting the receiver in accordance with stored historic observation data. A trellis-based lock detector computes a global survivor for consecutive time indexes as a maximum cumulative branch metric corresponding to a given time index for consecutive branches of the trellis structure. | 2009-07-09 |
20090175385 | Tolerable Synchronization Circuit of RDS Receiver - A Radio Data System (RDS) decoder circuit determines a subcarrier frequency utilizing only a 57 kHz RDS signal of an FM broadcast signal. The RDS decoder includes a zero-intermediate frequency (zero-IF) FM demodulator, a first mixer, a low-pass filter (LPF) unit, a shaping filter unit, a carrier recovery circuit, a digitally controlled oscillator (DCO), a symbol timing recovery circuit, an integrate and dump circuit, a slicer | 2009-07-09 |
20090175386 | System and Method for Improved Vector Analysis - A system includes a “found two” module configured to receive an n-bit vector and to generate a “found two” signal indicating whether there are at least two bits of the n-bit vector in a predetermined state. The system also includes a “one's hot” module coupled to the “found two” module. The “one's hot” module is configured to generate, concurrently with the “found two” module, a first one's hot vector (OHV) based on the received n-bit vector. In one embodiment, the system and method indicate whether an input n-bit vector contains at least two high bits. | 2009-07-09 |
20090175387 | DECODING SCHEME USING MULTIPLE HYPOTHESES ABOUT TRANSMITTED MESSAGES - A method and apparatus for decoding encoded data bits of a wireless communication transmission are provided. A set of a-priori bit values corresponding to known bit values of the encoded data bits may be generated. Decoding paths that correspond to decoded data bits that are inconsistent with the a-priori bit values may be removed from the possible decoding paths to consider, and decoding the encoded data bits by selecting a decoding path from remaining decoding paths of the possible decoding paths that were not removed. Multiple hypotheses, each corresponding to a different set of a-prior bit values may be evaluated, with the decoded data for a hypothesis selected based on the evaluation output for further processing. | 2009-07-09 |
20090175388 | DECODING SCHEME USING A-PRIORI INFORMATION ABOUT TRANSMITTED MESSAGES - A method and apparatus for decoding encoded data bits of a wireless communication transmission are provided. A set of a-priori bit values corresponding to known bit values of the encoded data bits may be generated. Decoding paths that correspond to decoded data bits that are inconsistent with the a-priori bit values may be removed from the possible decoding paths to consider, and decoding the encoded data bits by selecting a decoding path from remaining decoding paths of the possible decoding paths that were not removed. | 2009-07-09 |
20090175389 | METHODS AND SYSTEMS FOR TURBO DECODING IN A WIRELESS COMMUNICATION SYSTEM - Certain embodiments provide methods and apparatus for decoding a string of data bits, encoded with a turbo encoding scheme, in a wireless communication system. One or more a-priori bit values corresponding to expected bit values at one or more identified bit locations in the string of data bits may be identified. One or more branch metrics used in a turbo decoding scheme may be manipulated to effectively remove decoding paths, from a collection of possible decoding paths, based at least on the identified one or more a-priori bit values, resulting in one or more remaining decoding paths. The string of data bits may be decoded by selecting a decoding path from the one or more remaining decoding paths. | 2009-07-09 |
20090175390 | RECEIVER APPARATUS IN MULTI-USER COMMUNICATION SYSTEM AND CONTROL METHOD THEREOF - A receiver apparatus in a multi-user communication system and a control method are provided. The receiver apparatus includes a multi-user detector for creating a soft decision value by using multiple received signals and priori information output from a prior iteration, and a channel decoder for performing local iterative decoding on the soft decision value created by the multi-user detector, and updating the soft decision value. The receiver apparatus also includes a global decoding controller for checking the soft decision value updated by the channel decoder, and controlling whether or not to perform global iterative decoding. Accordingly, it is possible to minimize a processing time delay and to reduce the complexity through an interference cancellation processing for multiple user signals and an iterative decoding processing, and also it is possible to minimize the decoding delays of user signals by processing soft decision values for multiple user signals as many as a predetermined number of decoding iterations before terminating. | 2009-07-09 |
20090175391 | MATCHED FILTER AND RECEIVER - A matched filter and receiver is provided to delete the tap coefficients of a matched filter used in an OFDM receiver. In the matched filter and receiver, a transmitting signal is generated by using a symmetric series (Y) obtained from C[k]=exp [j*π*M/N*(k+0.5)̂2], where X=[0, C[N/2], C[N/2+1], . . . , C[N−1], 0, 0, . . . , 0, C[0], C[1], . . . , C[N/2−1]], and Y=inverse FFT (X) as a base symbol. The matched filter, which detects the signal, reduces the number of multipliers by using the coefficient symmetric property. | 2009-07-09 |
20090175392 | System, Apparatus, and Method for Cancelling Interferences of Received Signals - An apparatus and a method for cancelling an interference of each of a plurality of received signals are provided. The apparatus comprises an estimation module, an ordering module, a selection module, an equalizer, and a cancellation module. The estimation module estimates a plurality of estimated channels according to a first predetermined number of pilot-tones. The ordering module decides a decision order for processing. The selection module selects a second predetermined number of the received signals as the second predetermined number of processing signals. The equalizer estimates the estimated values, wherein each of the estimated values corresponds to a processing signal. The decision module decides a decided value for each of the estimated values. The cancellation module cancels the interference for each of the processing signals according to the corresponding decided value and the corresponding channel. Then, the estimation module further estimates the estimated channels according to the pilot-tones and a plurality of estimated values. | 2009-07-09 |
20090175393 | METHOD AND DEVICE FOR FRAME SYNCHRONIZATION - A method for frame synchronization, the method includes providing a high frequency clock signal over a clock line during a transmission of information over a data line connected to a media access controller and to at least one component; characterized by defining a short synchronization period; processing at least one signal conveyed over the data line during the short synchronization period to determine a presence of a synchronization error; and maintaining at least the clock line in a low power mode when the data line is substantially idle. | 2009-07-09 |
20090175394 | METHODS AND APPARATUS FOR SYNCHRONIZATION AND DETECTION IN WIRELESS COMMUNICATION SYSTEMS - A synchronization and detection method in a wireless device may include performing coarse detection and synchronization with respect to a received signal. The synchronization and detection method may also include performing fine detection and synchronization for acquisition of the received signal. Results of the coarse detection and synchronization may be used for the fine detection and synchronization. The synchronization and detection method may also include performing tracking mode processing when the acquisition of the received signal has been achieved. | 2009-07-09 |
20090175395 | DATA ALIGNMENT METHOD FOR ARBITRARY INPUT WITH PROGRAMMABLE CONTENT DESKEWING INFO - In an exemplary embodiment, a data alignment system comprises a First-In First-Out register (FIFO), a programmable pattern generator connected to the FIFO, and a controller connected to the programmable pattern generator and the FIFO. The FIFO is configured to provide data to or receive data from a first data lane of a serial data link having one or more lanes. Each data lane of the serial data link is configured to transmit a respective serial data stream. The programmable pattern generator is configured to generate a plurality of alignment symbols. The controller is configured to manage the alignment of the one or more data lanes of the serial data link and the insertion of a selected one of the plurality of alignment symbols into each of the serial data streams. | 2009-07-09 |
20090175396 | Signal processing unit - Since signal transmittance adjustment devices that can suppress transmittance of a receiving signal to a DSP as a receiving processing device from an antenna for reception and a signal transmittance control device configured to control the signal transmittance adjustment devices so that the transmittance of the receiving signal to the DSP from the antenna for reception is suppressed at least when a transmission signal including a modulation signal is transmitted from an antenna for transmission are provided, occurrence of a trouble in which a head portion of a reply signal is crushed by a wrap around signal from a transmission side can be suitably prevented, and particularly, favorable communication can be realized at start of a response from a RFID tag. That is, an apparatus for communicating with a RFID tag that can suitably suppress an influence of a transient response can be provided. | 2009-07-09 |
20090175397 | Method, System and Apparatus for Reducing Power Consumption at Low to Midrange Resolution Settings - A method for reducing power consumption in an information handling system (IHS) where the method includes receiving main data through a main link, wherein the main link provides at least one data lane. The IHS also receives a reference clock corresponding to the main data through an auxiliary channel and provides the reference clock to a first phase-lock loop, wherein the first phase-lock loop outputs a stream clock. | 2009-07-09 |
20090175398 | I/Q IMBALANCE ESTIMATION AND CORRECTION IN A COMMUNICATION SYSTEM - Certain aspects and embodiments provide for accurate measurement and estimation of imbalances between in-phase (I) and quadrature (Q) components of a complex baseband signal. The accuracy of I/Q phase imbalance estimates may be enhanced by conducting them on a transmitter and a receiver that are connected via a local, loopback connection and by removing cross-spectrum interference in transferred packets. Once these accurate I/Q phase imbalances are determined, they may be used to adjust a signal processed by the transmitter or the receiver to increase the performance and data throughput of communications using the signal. | 2009-07-09 |
20090175399 | DIGITAL PHASE-LOCKED LOOP WITH GATED TIME-TO-DIGITAL CONVERTER - A digital PLL (DPLL) includes a time-to-digital converter (TDC) and a control unit. The TDC is periodically enabled for a short duration to quantize phase information and disabled for the remaining time to reduce power consumption. The TDC receives a first clock signal and a first reference signal and provides a TDC output indicative of the phase difference between the first clock signal and the first reference signal. The control unit generates an enable signal based on a main reference signal and enables and disables the TDC with the enable signal. In one design, the control unit delays the main reference signal to obtain the first reference signal and a second reference signal, generates the enable signal based on the main reference signal and the second reference signal, and gates a main clock signal with the enable signal to obtain the first clock signal for the TDC. | 2009-07-09 |
20090175400 | First-Wall Component for a Fusion Reactor with a Heat Sink of a Copper Alloy - A first-wall component of a fusion reactor has a heat shield and a heat sink. The heat shield is formed of a material from the group of graphite material, carbidic material, tungsten and tungsten alloy. The heat sink is formed of a spray-compacted copper alloy. | 2009-07-09 |
20090175401 | NON-INTRUSIVE METHOD TO IDENTIFY PRESENCE OF NUCLEAR MATERIALS USING ENERGETIC PROMPT NEUTRONS FROM NEUTRON-INDUCED FISSION - Methods and systems for non-intrusively detecting the existence of fissile materials in a container via the measurement of energetic prompt neutrons are disclosed. The methods and systems use the unique nature of the prompt neutron energy spectrum from neutron-induced fission arising from the emission of neutrons from almost fully accelerated fragments to unambiguously identify fissile material. These signals from neutron-induced fission are unique and allow the detection of any material in the actinide region of the nuclear periodic table. | 2009-07-09 |
20090175402 | Method and system for providing fuel in a nuclear reactor - Exemplary embodiments provide automated nuclear fission reactors and methods for their operation. Exemplary embodiments and aspects include, without limitation, re-use of nuclear fission fuel, alternate fuels and fuel geometries, modular fuel cores, fast fluid cooling, variable burn-up, programmable nuclear thermostats, fast flux irradiation, temperature-driven surface area/volume ratio neutron absorption, low coolant temperature cores, refueling, and the like. | 2009-07-09 |
20090175403 | REACTIVITY CONTROLLING APPARATUS AND FAST REACTOR - A fast reactor has a reactivity control assembly including a reactor shutdown rod of a backup reactor shutdown system and neutron absorbers to suppress the initial surplus reactivity, a reactor shutdown rod drive mechanism for releasing the reactor shutdown rod and units of neutron absorber drive mechanism capable of moving the respective neutron absorbers up and down. The reactor shutdown rod and the neutron absorbers are arranged in a wrapper tube. The reactor shutdown rod drive mechanism causes an inner extension tube to fall and release the reactor shutdown rod by means of a gripper section at the lowermost end of an outer extension tube by turning off the power supply to a holding magnet at the time of scram. Each of the units of neutron absorber drive mechanism has a dual tube type drive shaft including an outer extension shaft and an inner extension shaft. When grasping the neutron absorbers, the outer extension shaft is pulled up to allow both of the extension shafts to be inserted. After the outer extension tube gets to the handling head section of the neutron absorber, the outer extension shaft is pushed down to grasp the neutron absorber externally by means of the latch fingers of the gripper section thereof so that the neutron absorber can be moved up and down. | 2009-07-09 |
20090175404 | APPARATUS FOR SUPPORTING RADIOACTIVE FUEL ASSEMBLIES AND METHODS OF MANUFACTURING THE SAME - Apparatus for supporting radioactive fuel assemblies, such as spent nuclear fuel. In one aspect, the invention is an apparatus, which can be in the form of a fuel basket, fuel rack, or the like, in which hexagonal storage tubes are used not only for their internal cells but are also strategically patterned to create resultant cells with their outside surfaces. In another aspect, the invention is an apparatus having flux traps surrounding each cell wherein the size of the flux traps decrease with distance from the center of the storage grid. | 2009-07-09 |
20090175405 | SHIFT REGISTER - A shift register is used for outputting an output pulse at output end in response to a delay of an input pulse received at an input end. The shift register includes a controller, a pre-charging switch, a level shifting switch, and an output generator. The controller is used for generating a level switching signal. The pre-charging switch is used for conducting a first supply voltage to a level shifting node in response to the input pulse. The level shifting switch turns on in response to the level switching signal. The output generator is used for generating the output pulse at the output end, when the level shifting switch turns on. | 2009-07-09 |
20090175406 | Target tracking using surface scanner and four-dimensional diagnostic imaging data - A method and apparatus for tracking a pathological anatomy within a patient's body is described. A data model of a skin surface of the patient's body may be acquired using light reflected from the skin surface. The data model can be matched with skin surfaces reconstructed and/or interpolated from four-dimensional (4D) diagnostic imaging data, such as 4D CT data, to determine a temporal phase of the patient's respiratory motion. The identified temporal phase may then be used in conjunction with the diagnostic imaging data to identify a location of the pathological anatomy within the patient's body. | 2009-07-09 |
20090175407 | Computer tomography method for determining an object region - In a computer tomography method an object region of the object being examined is determined in that projection beams that are linked with maximum attenuation are sought in cropped projection images. A central point of the object region is then determined and the object sections associated with the projection beams plotted on the central point. The object region can be at least approximately determined using the end points of the object sections. | 2009-07-09 |
20090175408 | COMPRESSION PADDLE AND METHODS FOR USING THE SAME IN VARIOUS MEDICAL PROCEDURES - A compression paddle includes a frame defining a hollow cavity. The cavity has two opposed ends. A plurality of filaments is attached to at least one of the two opposed ends of the cavity such that the plurality of filaments extends across the cavity in a predetermined manner. | 2009-07-09 |
20090175409 | DENTAL X-RAY APPARATUS COMPRISING A PATIENT-POSITIONING SYSTEM ARRANGED ON A SUPPORT AND PROVIDED WITH A FOREHEAD REST - The invention proposes a dental X-ray apparatus comprising a patient-positioning system arranged on a support and having a forehead rest. A horizontally pivotable bearing arm is arranged on the support, and the forehead rest is in turn arranged thereon. | 2009-07-09 |
20090175410 | FLOW METHOD AND APPARATUS FOR SCREENING CHEMICALS USING MICRO X-RAY FLUORESCENCE - Method and apparatus for screening chemicals using micro x-ray fluorescence. A method for screening a mixture of potential pharmaceutical chemicals for binding to at least one target binder involves flow separating a solution of chemicals and target binders into separated components, exposing them to an x-ray excitation beam, detecting x-ray fluorescence signals from the components, and determining from the signals whether or not a binding event between a chemical and target binder has occurred. | 2009-07-09 |
20090175411 | Methods and systems for use in security screening, with parallel processing capability - A security screening system to determine if an item of luggage carries an object posing a security threat. The security screening system may comprise an input for receiving image data derived from an apparatus that subjects the item of luggage to penetrating radiation, the image data conveying an image of the item of luggage. The security screening system may also comprise a processing module for processing the image data to identify in the image a plurality of regions of interest, the regions of interest manifesting a higher probability of depicting an object posing a security threat than portions of the image outside the regions of interest. The processing module may comprise: a first processing entity for processing a first one of the regions of interest to ascertain if the first region of interest depicts an object posing a security threat; and a second processing entity for processing a second one of the regions of interest to ascertain if the second region of interest depicts an object posing a security threat. The processing of the first and second regions of interest by the first and second processing entity occurs in parallel. Different processing entities may also be used to process in parallel different sets of entries a reference database to determine if an item of luggage carries an object posing a security threat. | 2009-07-09 |
20090175412 | Radiation Threat Detection - Systems and methods for detecting clandestine fissile or radioactive material on the basis of emitted radiation and particles (such as neutrons and alpha particles) arising from within the material. Emission by the fissile or radioactive material is detected in conjunction with a conventional x-ray imaging system that includes an external source of illuminating penetrating radiation, at least one detector configured to detect at least the penetrating radiation and to generate a detector signal, and a processor configured as a detector signal discriminator to generate an output indicating whether the detector signal is triggered by an origin other than illuminating penetrating radiation. Active and passive modes of detection are described by some embodiments. Other embodiments are directed toward neutron detection, gamma ray detection with energy resolution, and designs of detectors to enhance the detection of clandestine nuclear material. | 2009-07-09 |
20090175413 | COMPACT AND LIGHTWEIGHT X-RAY DEVICE - An X-ray device for irradiating a beam of X-rays on an object to capture an X-ray image of the object is smaller in size and weight than conventional ones. The X-ray device includes an X-ray tube for generating the beam of X-rays and irradiating the beam of X-rays on the object, a shutter arranged around an X-ray irradiation axis for regulating an X-ray irradiation region on which the beam of X-rays is irradiated through the object, and a visual indicator unit arranged on the shutter for movement together with the shutter, the visual indicator unit being designed to visually indicate the X-ray irradiation region. In the X-ray device, the X-ray irradiation region is visually indicated by laser light without having to use a lamp otherwise provided between the X-ray tube and the shutter. | 2009-07-09 |
20090175414 | MOBILE RADIATION THERAPY - A mobile radiation therapy apparatus includes a vehicle cabin including driving controls for the vehicle cabin. A patient treatment compartment is rigidly attached to the vehicle cabin. A high dose rate radiation source configured to emit radiation is disposed within the patient treatment compartment. A patient treatment table is disposed within the patient treatment compartment and in proximity to the radiation source. A radiation shield is disposed around the patient treatment table, the radiation shield including a plurality of radiation shield sections rigidly attached to the patient treatment compartment and configured to substantially impede the radiation emitted from the radiation source. | 2009-07-09 |
20090175415 | METHOD OF VISUALIZING TARGET OBJECTS IN A FLUID-CARRYING PIPE - An apparatus for recording and displaying images of and identifying material types in a target object in a fluid carrying conduit includes a downhole unit. The downhole unit includes a controllable light source, the controllable light source structured to emit high energy photons. The downhole unit further includes a sensor unit structured to detect the high energy photons that are backscattered from the target object and to generate signals in response to the detected high energy photons. The apparatus also includes a control and display unit that includes a signal transmitter and a viewing screen structured to display at least one two-dimensional image that is generated using the signals from the sensor unit. | 2009-07-09 |
20090175416 | X-RAY PHOTOGRAPHY APPARATUS - It is intended to provide an X-ray photography apparatus whereby lungs can be photographed in the desirable inherent size thereof. | 2009-07-09 |
20090175417 | MEDICAL INFORMATION PROCESSING DEVICE - To make it possible to display a series of image data captured according to examination order information, in a predetermined order. According to an image examination device ( | 2009-07-09 |
20090175418 | RADIOTHERAPY SUPPORT APPARATUS - A radiotherapy treatment support apparatus includes a storage unit which stores absorption dose volume data expressing a spatial distribution of absorption dose in a subject, a generation unit which generates fusion data associated with morphology volume data of the subject and the absorption dose volume data so as to be associated with a plurality of segments, and a display unit which displays an image which has the distribution of absorption dose superimposed on the two-dimensional morphology image of the subject using the fusion data. | 2009-07-09 |
20090175419 | VOLTAGE GENERATOR OF A RADIATION GENERATOR - A voltage divider of a voltage generator is provided. The divider comprises an input terminal opposite an output terminal, a measurement resistor electrically connected in series between the input terminal and the output terminal, a footer resistor electrically connected in parallel between the output terminal and electrical ground, and a footer capacitor electrically connected in parallel between the output terminal and electrical ground. A value of the footer resistor is at least a magnitude smaller relative to a value the measurement resistor. The divider further includes a reactive bypass component having a first end electrically connected in parallel to the measurement resistor. | 2009-07-09 |
20090175420 | X-ray generator - To provide an X-ray generator capable of preventing electric corrosion and exerting stable performance over long periods. The X-ray generator includes: a rotary anticathode | 2009-07-09 |
20090175421 | C-ARM HAVING A RADIOGRAPHIC SOURCE AND A HEAT PUMP - An x-ray device is provided. The x-ray device includes a C-arm, on which a radiographic source and a heat pump are arranged. At least sections of the C-arm are hollow, such that at least sections of the radiographic source and the heat pump are arranged inside the C-arm. | 2009-07-09 |
20090175422 | SYSTEM AND METHOD FOR HANDLING COMMUNICATIONS PRESENTED TO A SPECIAL NUMBER ANSWERING POSITION - A system for handling communications presented in a first messaging protocol to a special number answering position using a second messaging protocol includes a translating unit coupled with the special number serving network and coupled with the answering position. The translating unit includes a plurality of first entries, a plurality of second entries and a plurality of correspondence indicators. Respective first correspondence indicators relate each respective first entry of the plurality of first entries with at least one respective second entry of the plurality of second entries. Respective second correspondence indicators relate each respective second entry with at least one respective first entry. Each respective first entry pertains to a character string expressed in the first messaging protocol. Each respective second entry pertains to a phrase expressed in the second messaging protocol. | 2009-07-09 |
20090175423 | METHOD AND SYSTEM FOR UTILIZING INFORMATION FOR EFFICIENT RECORDING SOLUTIONS IN A COMPLEX MULTI-MEDIA RECORDING ENVIRONMENT - System and method for recording telephone calls comprising receiving computer telephony integration fields from first and second sources, identifying which of the CTI fields are physical CTI fields to be used for locating audio to be recorded, identifying which of the CTI fields are logical CTI fields, identifying one of the physical CTI fields received from the first source and one of the logical CTI fields received from the second source as being related to a specific telephone call and recording said telephone call based on audio location information from the physical CTI field associated with the call. | 2009-07-09 |
20090175424 | METHOD FOR PROVIDING SERVICE FOR USER - A voice-based classification method authenticates a user for a service which is reserved for a predetermined user group and is provided via a communication link in response to a request received from the user over a first communication link in an access control unit for access to the service. Over a second communication link a voice connection between the user and a speech processing unit is established. In the speech processing unit the voice of the user is recorded using a speech sample and at least a first criterion is checked, with the first criterion being fulfilled if the user is assigned to the predetermined user group. An age and or gender classification method may be used, with the predetermined user group being specified by its age and its gender. The service may be Internet-based, for example a chat room, in which persons of a specific age group interact. | 2009-07-09 |
20090175425 | Outgoing voice mail recording and playback - Systems and methods for enabling users to listen to outgoing voice mail messages are provided. These systems and methods record an audio file corresponding to a voice message being left by a user during an outgoing telephone call to a recipient, link the audio file to contact information associated with the recipient, and provide the user access to the audio file through, for example, playback of the audio included in the file. These systems and methods may be implemented through individual communications devices, such as an iPhone, through a telephone communications provider, or a combination of the same. | 2009-07-09 |
20090175426 | METHODS, SYSTEMS AND COMPUTER PROGRAM PRODUCTS FOR PROVIDING ACCESS TO PERSONAL PROFILES IN COMMUNICATIONS SYSTEMS - Methods of switching personas associated with an asserted identity by determining a selected persona based on at least one of a sequence of digits entered during initiation of a call are provided. The at least one of the sequence of digits indicates a request for a persona associated with an asserted identity. It is indicated that an original persona associated with the asserted identity should be switched to the selected persona associated with the asserted identity if it is determined that the original persona and the selected persona are different. Related systems and computer program products are provided. | 2009-07-09 |
20090175427 | INTELLIGENT SWITCHING SYSTEM FOR VOICE AND DATA - A teleconferencing system for voice and data provides interconnections among user sites via a central station. User stations at user sites each alternate operation between a data mode connecting a user computer and modem to a user telephone communication path and a voice mode connecting a telephony circuit to the communication path. The teleconferencing system is adapted for conducting a voice conference over standard telephone lines while allowing simultaneous viewing of data objects such as slides, graphs, or text. A host computer connected to the central station serves as a central repository for storage and retrieval of data objects for use in teleconferences. | 2009-07-09 |
20090175428 | Method for Managing Transient Telephone Contacts - A method for managing transient telephone contacts including capturing a telephone call identifying information related to a telephone communication, associating the telephone call identifying information with a telephone number related to the telephone communication, and providing the telephone call identifying information in response to a telephone operation involving the telephone number. | 2009-07-09 |
20090175429 | SYSTEM AND METHOD FOR SELECTING AND DELIVERING CONTENT INTO MEDIA PLAYBACK APPLICATIONS - A system, method, and computer program product for selecting and delivering content to a telephony application includes receiving a request from a telephony service for interactive content, initiating a method call to a content selection system, and selecting a content item. Instructions for playing the selected content item are sent to the telephony service, and a content request for the selected content item is obtained based upon the instructions for playing the selected content item. The selected content item is then delivered to the telephony service. The system, method, and computer program product analyze characteristics of the request and of a user and deliver customized content based upon the characteristics. Interactivity between the user, the telephony service, and the system is provided. | 2009-07-09 |
20090175430 | CALL HANDLING FOR INCOMING TELEPHONE CALLS - Provided is a method for handling telephone calls directed to a telephony connection associated with a plurality of telephone numbers, wherein incoming calls made to the plurality of telephone numbers are announced by different ring tones. The method comprises receiving over the telephony connection a signal carrying ring tone information indicative of an incoming call. The method further comprises processing the ring tone information to differentiate the ring tone currently conveyed in the telephony connection from other possible ring tones that the telephony connection can carry. The method still further comprises handling the incoming call on the basis of the differentiated ring tone. Also provided are a telephone system and a computer readable storage medium holding a program element. | 2009-07-09 |
20090175431 | METHOD AND SYSTEM FOR PROVIDING DIRECTORY ASSISTANCE TO ERRONEOUS TELEPHONE CALLS - A method and system for providing directory assistance to erroneous calls. The method and system includes an intercept system that intercepts erroneous calls and automatically routes them to a directory assistance service. The directory assistance service provides a least one advertisement and a variety of other internal and external information services to the callers using a business subscriber information service, a white page database service; a yellow pages database service; a business intelligence database service; and/or an Internet search service. | 2009-07-09 |
20090175432 | AUTOMATIC TELEPHONE NUMBER FAVORITES LIST - A system stores a set of telephone numbers dialed by a user. The system selects a subset of telephone numbers from the stored set of telephone numbers as the user's favorite telephone numbers based on one or more first scores, where the one or more scores include a frequency score associated with a frequency that the telephone numbers have been dialed by the user and/or a recency score associated with how recently that the telephone numbers have been dialed by the user. The system stores the list of the user's favorite telephone numbers in memory. | 2009-07-09 |
20090175433 | METHOD AND SYSTEM FOR PROVIDING DIRECTORY ASSISTANCE TO ERRONEOUS TELEPHONE CALLS - A method and system for providing directory assistance to erroneous calls. The method and system includes an intercept system that intercepts erroneous calls and automatically routes them to a directory assistance service. The directory assistance service provides a least one advertisement and a variety of other services to the callers using a rule-based expert system service. | 2009-07-09 |
20090175434 | UNIVERSAL LINKING GATEWAY BETWEEN TELEPHONIC DEVICES - A universal linking gateway interfaces between a local network of one or more local phones, such as analog phones or PBX phones, a plurality of cell phones and multiple service lines, including a public switched telephone network. Implementation of industry standard protocols such as hookflash signals enable a simplistic local phone to access enhanced calling features including answering calls on multiple service lines, to select and make calls on any desired service line as well as handle simultaneous calls on either an active service line or multiple service lines. Further, the gateway interfaces between a variety of other telephonic devices including PSTN, VoIP, and telephonic intercoms. Wireless communications are controlled by the gateway for proper pairing management. | 2009-07-09 |
20090175435 | METHOD AND APPARATUS FOR DETERMINING INTERNAL USER FOR CALL CENTER SYSTEM - The disclosure relates to a method and apparatus for determining an internal user for a call center system. The information servicing function provided in the existing communication networks may be utilized in the invention. After a call initiated from an internal user for a call center system to an external user fails, the call center system sends the call information to the external user in a timely manner so that the external user can obtain identification information of the internal user for the call center system in a timely and accurate manner. With the invention, the possibility of reaching the internal user for the call center system is enhanced and thus the interests of the external user and the enterprise entity can be secured. | 2009-07-09 |
20090175436 | Call center application data and interoperation architecture for a telecommunication service center - A call center application data and interoperation architecture provides a centralized design for managing applications providing call center functionality. The architecture integrates information flow using a mater data repository for all applications for all aspects of a call center operation. The architecture provides employee information at defined levels through the complete employment life cycle, including the initial hiring and termination. The architecture provides the employee information by integrating human resources information with call center applications such as Employee attendance and Leave management, ID management, Transport management, Commitment logs, and Movement management, or any other application. | 2009-07-09 |
20090175437 | CALL TRANSFER BETWEEN DIFFERING EQUIPMENT - Generally, the invention is a device, method, and system for transferring a communication session from a first call center to a second call center. An exemplary system may have a first call center and a second call center. The first call center may have a first call management device, a call information posting device, and one or more agent communication terminals. The first call management device connects at least one telephone call from a customer to an agent communication terminal of the first call center. The call posting device produces a webpage of contact information associated with the customer. The second call center may have a second call management device different from the first call management device, a call information retrieving device, and one or more agent communication terminals. The call information retrieving device accesses the webpage. The second call management device uses the contact information to connect a call from an agent communication terminal of the second call center to the customer. | 2009-07-09 |
20090175438 | DYNAMIC CONNECTION DISTRIBUTOR - The invention relates to a dynamic call connection distributor (DCD) comprising—an agent pool (AP), comprising information of call agents (CA), said agent pool is at least partly configurable by a plurality of individual call agents (CA), —a recipient dialer (RD), comprising circuitry for dialing at least one number of predefined potential recipients (PR) for establishment of a recipient connection (RC), —an agent dialer (AD) comprising circuitry for establishing an agent connection (AC) from said dynamic connection distributor (DCD) to a call agent (CA), a call linker (CL), comprising circuitry for linking said agent connection (AC) with said recipient call (RC). According to a preferred embodiment of the invention, the agent pool is basically maintained dynamically by the call agents themselves, thereby allowing basically any physical distribution in contrary to prior art systems requiring the call agents to operate at fixed and centrally defined endpoints. | 2009-07-09 |
20090175439 | Telephone Accessory Device And System For Hands Free Operation - A telephone accessory device and system for facilitating communication between a wireless headset and wireline telephone. The telephone accessory device includes a device body configured to rest on top of a base of the corded telephone, a device platform connected to the base portion and configured to support a corded handset on a first surface, and a head portion disposed on a second surface of the device platform opposite the first surface. The system includes a wireless headset, a headset base wirelessly coupled to the wireless headset, and the telephone accessory device coupled through a control signal cable to the headset base unit. When the handset is resting on the first surface, in response to control signals from the wireless headset, the head portion is operable to reversibly depress and release a switch hook button of the cradle speaker recess while the device body and device platform remain stationary. | 2009-07-09 |
20090175440 | Metallic Panel Assembly Having Multilayer Arrays Of Micropores - A metallic panel assembly having multilayer arrays of micropores includes a backlight module and a panel body. The backlight module is constituted of a first and a second light-guiding plate. First and second light-guiding microstructures are provided on the first and second light-guiding plates. A first and a second set of light-emitting units are disposed on one end of the first and second light-guiding plates, respectively. A first and a second shielding unit are disposed on the first and second light-guiding plates and the first and second sets of light-emitting units respectively. The panel body is disposed on one side surface of the first light-guiding plate. The panel body has thereon a plurality of hollowed portions with the hollowed portions encircling a key body. The key body has thereon a plurality of micropores. The plurality of micropores is arranged to form a pattern of each key body. When the first or second set of light-emitting units are lighted up, the light enters one side of the first or second light-guiding plate. The light is reflected by the first or second light-guiding microstructures on the corresponding key panel, so that the user can see the position of each key clearly. | 2009-07-09 |
20090175441 | METHOD FOR PROTECTING DATA AGAINST DIFFERNTIAL FAULT ANALYSIS INVOLVED IN RIVEST, SHAMIR, AND ADLEMAN CRYPTOGRAPHY USING THE CHINESE REMAINDER THEOREM - Systems and methods for effectively protecting data against differential fault analysis involved in Rivest, Shamir, and Adleman (“RSA”) cryptography using the Chinese Remainder Theorem (“CRT”) are described herein. A CRT RSA component facilitates modular exponentiation of a received message, and a verification component reconstructs the received message. An exponentiation component performs a first modular exponentiation and a second modular exponentiation of the received message. A recombination component performs a recombination step utilizing CRT computation as a function of the first and second modular exponentiations. A modular exponentiation component performs first and second public exponent derivations as a function of a private exponent. The verification component can reconstructs the received message as a function of the first and second public exponent derivations. The verification component calculates the received message utilizing Chinese Remainder Theorem computation. | 2009-07-09 |
20090175442 | Digital Rights Management System Protecting Consumer Privacy - Technologies for a Consumer Privacy Digital Rights Management system based on stable partially blind signatures that enable a license server to provide licenses for delivery to users without knowing the corresponding digital contents that users access with the license. Therefore consumer privacy is protected during license acquisition. Further, if the client DRM module in the DRM system does not disclose any information about a user's digital content access, and the messages that the client DRM module sends out are in plain text enabling verification that the client DRM module is not disclosing such information, then consumer privacy is fully protected by the DRM system. | 2009-07-09 |
20090175443 | Secure function evaluation techniques for circuits containing XOR gates with applications to universal circuits - An embodiment of the present invention provides a method that minimizes the number of entries required in a garbled circuit associated with secure function evaluation of a given circuit. Exclusive OR (XOR) gates are evaluated in accordance with an embodiment of the present invention without the need of associated entries in the garbled table to yield minimal computational and communication effort. This improves the performance of SFE evaluation. Another embodiment of the present invention provides a method that replaces regular gates with more efficient constructions containing XOR gates in an implementation of a Universal Circuit, and circuits for integer addition and multiplication, thereby maximizing the performance improvement provided by the above. | 2009-07-09 |
20090175444 | SYSTEM AND METHOD FOR ENCRYPTION KEY MANAGEMENT IN A MIXED INFRASTRUCTURE STREAM PROCESSING FRAMEWORK - A system and method for protecting streams in a mixed infrastructure includes determining processing elements that are to access a data stream in a stream processing environment and determining a security level for each processing element. Keys are generated per stream per processing element in accordance with the security level. The keys are associated with processing elements in an access control list in a location accessible by producing and consuming processing elements. The stream is decrypted for processing using keys released upon authenticating processing elements in accordance with the access control list. At security boundaries, the stream is re-encrypted in accordance with a next processing element. | 2009-07-09 |
20090175445 | Electronic Device, Home Network System and Method for Protecting Unauthorized Distribution of Digital Contents - The present invention relates to an electronic device, a home network system and a method for protecting unauthorized distribution of digital contents. The electronic device for protecting the unauthorized distribution of the digital contents includes an encryption key generator generating an encryption key; a contents player playing first digital contents; a contents regenerator generating second digital contents by converting the first digital contents played by the contents player into a predetermined data format; and a controller controlling the contents regenerator to encrypt the second digital contents by the use of the encryption key generated by the encryption key generator at the time when the contents regenerator generates the second digital contents. | 2009-07-09 |
20090175446 | COMMUNICATION APPARATUS AND CONTROL METHOD - This invention allows connection of an apparatus with a low security level without lowering the security level of a network even when such apparatus issues a connection request. This invention is directed to an access point which makes wireless communications with a station using an encryption method (AES). Upon reception of a connection request message including information indicating an encryption method (WEP) that can be used by a station, the access point checks if the encryption method (WEP) recognized based on the received connection request message is different from the encryption method (AES). When it is determined that the two encryption methods are different, the access point launches a controller which makes wireless communications with the station using that encryption method (WEP). | 2009-07-09 |
20090175447 | COMMUNICATION SYSTEM, WIRELESS COMMUNICATION APPARATUS, AND COMMUNICATION METHOD - In a communication system, a first wireless communication apparatuses belonging to a communication group receives a connection request frame including a notifying security level from a second communication apparatus outside of the communication group. The first communication apparatus stores a reference security level peculiar to the communication group, which is selected from security levels depending on one of encryption methods including non-encryption and encryption strengths. In the first communication apparatus, the notifying security level is compared with the reference level, and a response frame including one of a connect rejection and a connection permission is described, is generated and transferred to the second communication apparatus. The connect rejection represents a rejection of connection to the second communication apparatus and the connection permission represents a permission of connection to the second communication apparatus. | 2009-07-09 |
20090175448 | WIRELESS NETWORK HANDOFF KEY - The present invention provides a method and system for handoff in a wireless communication network. In one embodiment, a common handoff encryption key is generated by an authentication server and transmitted to a first access point and a second access point. The first access point transmits the handoff encryption key to a wireless terminal. The wireless terminal encrypts output data with the handoff encryption key. When the wireless terminal is associated with the second access point, the second access point decrypts data from the wireless terminal with the handoff encryption key. In a second embodiment, a handoff WEP key generation secret parameter is provided to a first and a second access point. Both access points generate a handoff WEP key as a function of the handoff WEP key generation secret parameter and an address of a wireless terminal. The first access point transmits the handoff WEP key to the wireless terminal. The second access point communicates data packets encrypted with the handoff WEP key with the wireless terminal. | 2009-07-09 |
20090175449 | WIRELESS NETWORK HANDOFF KEY - The present invention provides a method and system for handoff in a wireless communication network. In one embodiment, a common handoff encryption key is generated by an authentication server and transmitted to a first access point and a second access point. The first access point transmits the handoff encryption key to a wireless terminal. The wireless terminal encrypts output data with the handoff encryption key. When the wireless terminal is associated with the second access point, the second access point decrypts data from the wireless terminal with the handoff encryption key. In a second embodiment, a handoff WEP key generation secret parameter is provided to a first and a second access point. Both access points generate a handoff WEP key as a function of the handoff WEP key generation secret parameter and an address of a wireless terminal. The first access point transmits the handoff WEP key to the wireless terminal. The second access point communicates data packets encrypted with the handoff WEP key with the wireless terminal. | 2009-07-09 |
20090175450 | Systems and methods for obtaining information on a key in BB84 protocol of quantum key distribution - Systems and methods for obtaining information on a key in the BB84 (Bennett-Brassard 1984) protocol of quantum key distribution are provided. A representative system comprises a quantum cryptographic entangling probe, comprising a single-photon source configured to produce a probe photon, a polarization filter configured to determine an initial probe photon polarization state for a set error rate induced by the quantum cryptographic entangling probe, a quantum controlled-NOT (CNOT) gate configured to provide entanglement of a signal with the probe photon polarization state and produce a gated probe photon so as to obtain information on a key, a Wollaston prism configured to separate the gated probe photon with polarization correlated to a signal measured by a receiver, and two single-photon photodetectors configured to measure the polarization state of the gated probe photon. | 2009-07-09 |
20090175451 | Target Of Opportunity Recognition During An Encryption Related Process - A method, system, and computer program product are provided for utilizing target of opportunity to perform at least one special operation while a key session is opened with a key manager for another purpose. The method of recognizing a target of opportunity includes receiving a command to be performed on a removable storage medium and determining if the command requires interaction with the encryption key manager. If it is determined that the command requires interaction with the key manager the command is held off. A request is sent to the encryption key manager. A target of opportunity is recognized by determining if at least one special operation may be performed. If it is determined that at least one special operation may be performed then the at least one special operation and the request are performed. | 2009-07-09 |
20090175452 | Key Management and User Authentication for Quantum Cryptography Networks - Key management and user authentication systems and methods for quantum cryptography networks that allow for users securely communicate over a traditional communication link (TC-link). The method includes securely linking a centralized quantum key certificate authority (QKCA) to each network user via respective secure quantum links or “Q-links” that encrypt and decrypt data based on quantum keys (“Q-keys”). When two users (Alice and Bob) wish to communicate, the QKCA sends a set of true random bits (R) to each user over the respective Q-links. They then use R as a key to encode and decode data they send to each other over the TC-link. | 2009-07-09 |
20090175453 | STORAGE APPARATUS AND ENCRYPTED DATA PROCESSING METHOD - A storage apparatus has an encryption key updater for configuring an updated encryption key and identification information thereof, an encryptor for encrypting data by a specific unit according to the encryption key, a storage for adding the identification information to the encrypted data and storing the data and the identification information onto a recording medium, a reader for reading the encrypted data and the identification information, a judge for judging whether the identification information read by the reader matches the identification information configured by the encryption key updater, and a decryptor for decrypting the encrypted data and outputting the decrypted data where the judge judges that the identification information matches the identification information configured by the encryption key updater. | 2009-07-09 |
20090175454 | WIRELESS NETWORK HANDOFF KEY - The present invention provides a method and system for handoff in a wireless communication network. In one embodiment, a common handoff encryption key is generated by an authentication server and transmitted to a first access point and a second access point. The first access point transmits the handoff encryption key to a wireless terminal. The wireless terminal encrypts output data with the handoff encryption key. When the wireless terminal is associated with the second access point, the second access point decrypts data from the wireless terminal with the handoff encryption key. In a second embodiment, a handoff WEP key generation secret parameter is provided to a first and a second access point. Both access points generate a handoff WEP key as a function of the handoff WEP key generation secret parameter and an address of a wireless terminal. The first access point transmits the handoff WEP key to the wireless terminal. The second access point communicates data packets encrypted with the handoff WEP key with the wireless terminal. | 2009-07-09 |
20090175455 | METHOD OF SECURING A CALCULATION OF AN EXPONENTIATION OR A MULTIPLICATION BY A SCALAR IN AN ELECTRONIC DEVICE - A cryptographic operation includes calculating a multiplication of an element of an additively denoted group by a scalar. After two registers R | 2009-07-09 |
20090175456 | DETECTING STEREO AND MONO HEADSET DEVICES - The present invention includes apparatuses and methods comprising a means for detecting the presence of speakers and microphones coupled to a portable multi-function device (such as Apple's iPhone™). In response, a portable multi-function device can adapt its output depending on the nature of the coupled headset device. In particular, a portable multi-function device containing the present invention can, upon detecting only one speaker in a coupled headset accessory device, combine the multiple channels of a stereo audio signal into a single mono audio signal. Likewise, a portable multi-function device containing the present invention can alert users to the absence of a coupled microphone. | 2009-07-09 |
20090175457 | Audio Signal Processing Apparatus and Audio Signal Processing Method - The present invention is applied to, for example, a camera-integrated video tape recorder. A setting of channels of audio signals that are input from a plurality of audio signal input terminals | 2009-07-09 |