36th week of 2010 patent applcation highlights part 28 |
Patent application number | Title | Published |
20100226408 | THERMAL DETECTOR TESTING DEVICE - A testing device for testing thermal detectors includes a hollow sleeve, open on at least one end, configured to receive a thermal detector. The hollow sleeve can have a length greater than a diameter. A heater is positioned is in proximity to the hollow sleeve, and is configured to provide heat for testing the thermal detector. The heater can be a flexible foil heater. A power source is provided to supply power to the heater. A power control module can be provided for variably adjusting a set point temperature or a rate of temperature rise for the heater. | 2010-09-09 |
20100226409 | TEMPERATURE SENSOR - This invention is to provide a temperature sensor which can measure a precise temperature of a minute region, which can measure a temperature in a wide range from a low temperature to a high temperature, and which has a simple structure. The temperature sensor comprises a two-dimensional electron gas. A resistance of the two-dimensional electron gas is used to measure a temperature. The two-dimensional electron gas may have a heterostructure selected from the group consisting of an AlGaN/GaN system, an AlGaAs/GaAs system, an InAs/GaAs system, an InAs/GaSb/AlSb system, a SiGe/Si system, a SiC/Si system, a CdTe/HgTe/CdTe system, an InGaAs/InAlAs/InP system, and nanocrystalline silicon. | 2010-09-09 |
20100226410 | Securing structure of sensor element having lead and securing unit thereof - A securing structure for securing a measuring member having a sensor element and a lead elongated from the sensor element to a subject to be measured, the securing structure includes the measuring member including a measuring section having a covered portion in which a part of the lead elongated from the sensor element and having a predetermined length is covered by a material having a rigidity larger than that of the lead, the covered portion being folded toward the side of the lead elongated from the covered portion to produce a folded end portion; and the subject to be measured having an insertion section through which the measuring section is inserted from the side of the folded end portion, a container section which contains the measuring section inserted through the insertion section, and a contact section with which the head portion of the covered portion comes into contact and by which the measuring section is prevented from falling out, when the lead is pulled. | 2010-09-09 |
20100226411 | LOW-NOISE AMPLIFIER AND RADIO COMMUNICATION SYSTEM - Power consumption of an amplification circuit ( | 2010-09-09 |
20100226412 | WIRELESS DEVICE AND METHOD - A wireless device performs background scanning of one or more radio channels in a wireless network by sending a signal to one or more other devices connected to the wireless network that the device is entering a pre-defined hibernation mode. The background scanning is then performed whilst the other devices on the network consider the device to be in hibernation mode. | 2010-09-09 |
20100226413 | METHOD AND APPARATUS FOR INCREASING THE NUMBER OF ORTHOGONAL SIGNALS USING BLOCK SPREADING - Embodiments of the invention apply block spreading to transmitted signals to increase the number orthogonally multiplexed signals. The principle of the disclosed invention can be applied to reference signals, acknowledgement signals, and channel quality indication signals. In any given time interval, the set of transmitted signals is defined by two sequences: the baseline sequence, and the block spreading sequence. Different transmitters using the same baseline sequence can be identified by using different block spreading sequences. | 2010-09-09 |
20100226414 | System and a Method for Wireless Transmission and Reception of Concatenated Impulse Radio Ultra-Wideband Data Bursts - The present invention relates to a wireless communications system, in particular to a method for transmitting and receiving concatenated data bursts in a wireless communications system. The invention is particularly useful in the field of impulse-based ultra-wideband systems. In an aspect of the invention, a transmitting device is presented for generating and transmitting concatenated bursts or string. In another aspect of the invention, a receiving device is presented for receiving the string. The receiving device further uses frequency domain equalization approach to mitigate inter-symbol interference within the string. | 2010-09-09 |
20100226415 | Mapping for MIMO Communication Apparatus - A method, MIMO communication device and electronic storage medium for mapping symbols during a duration of each plural consecutive frames of each of a plurality of first data streams ( | 2010-09-09 |
20100226416 | Compensating Pre-Filter for an OFDM Transmitter - A method and apparatus for reducing group delay and/or amplitude errors applied to a transmission signal by one or more transmission filters is described herein. The present invention characterizes the errors introduced by one or more transmission filters relative to a desired frequency response, e.g., the group delay and/or amplitude errors relative to a flat group delay and flat amplitude, respectively. Based on the errors, the present invention pre-compensates the digital frequency domain samples used to generate the transmission signal. In so doing, the present invention reduces the errors in the filtered transmission signal without placing limits on the design of the transmission filters. | 2010-09-09 |
20100226417 | DATA TRANSMITTING AND RECEIVING METHOD USING PHASE SHIFT BASED PRECODING AND TRANSCEIVER SUPPORTING THE SAME - A method for performing a precoding based on a generalized phase shift or a precoding based on an extended phase shift in a Multi-Input Multi-Output (MIMO) system employing several sub-carriers, and a transceiver for supporting the same are disclosed. A phase-shift-based precoding matrix is generalized by multiplying a diagonal matrix for a phase shift by a unitary matrix for maintaining orthogonality between sub-carriers. In this case, a diagonal matrix part may be extended by multiplying a precoding matrix for removing an interference between sub-carriers by a diagonal matrix for a phase shift. By generalization and extension of the phase-shift-based precoding, a transceiver is more simplified, and a communication efficiency increases. | 2010-09-09 |
20100226418 | Multicarrier Modulation Messaging for Power Level Per Subchannel Information - Upon detection of a trigger, such as the exceeding of an error threshold or the direction of a user, a diagnostic link system enters a diagnostic information transmission mode. This diagnostic information transmission mode allows for two modems to exchange diagnostic and/or test information that may not otherwise be exchangeable during normal communication. The diagnostic information transmission mode is initiated by transmitting an initiate diagnostic link mode message to a receiving modem accompanied by a cyclic redundancy check (CRC). The receiving modem determines, based on the CRC, if a robust communications channel is present. If a robust communications channel is present, the two modems can initiate exchange of the diagnostic and/or test information. Otherwise, the transmission power of the transmitting modem is increased and the initiate diagnostic link mode message re-transmitted to the receiving modem until the CRC is determined to be correct. | 2010-09-09 |
20100226419 | RECEIVERS FOR CYCLE ENCODED SIGNALS - Some embodiments include a transmitter having a cycle encoding circuit to receive a data input signal and to provide a full cycle encoded signal in response thereto by continuously joining portions of different encoding signals. Some of the encoding signals have a different frequency than others of the encoding signals and some of the encoding signals have a different phase than others of the encoding signals. Data is represented in data time segments of the full cycle encoded signal and no data time segment has more than one cycle of an encoding signal. In some embodiments, a receiver receives the cycle encoded signal and recovers data of the data input signal. | 2010-09-09 |
20100226420 | Detection of Frame Marker Quality - For example, a method of detecting frame marker quality includes: detecting, in a bit-stream sent from a first component to a second component of a common hardware unit, a frame marker having a bit pattern different from an uncorrupted frame marker specified by a communication protocol; and assigning a quality level indicator to the frame marker based on a difference between said bit pattern and a bit pattern of said uncorrupted frame marker. | 2010-09-09 |
20100226421 | RECEPTION CIRCUIT, RECEPTION METHOD, AND SIGNAL TRANSFER SYSTEM - A reception circuit includes: an AD converter; an equalization circuit that equalizes an output of the AD converter; a determination circuit to which error information is input from the equalization circuit; and a controller that adjusts at least one of resolution and voltage range of the AD converter, in the circuit the determination circuit outputs a control signal to adjust at least one of resolution and voltage range to the controller based on the error information. | 2010-09-09 |
20100226422 | Precoder Construction And Equalization - Apparatus and methods are provided to construct parameters associated with a precoder to a channel. Embodiments include apparatus and methods to apply a maximum a posteriori probability (MAP) equalization using offsets of signals introduced at a transmit end of a channel. Embodiments include apparatus and methods to construct a channel precoder based on using approximation of channel responses for a range of channel lengths. | 2010-09-09 |
20100226423 | METHOD AND APPARATUS FOR EQUALIZATION IN CLUSTERED CHANNELS - This invention relates to an equalization apparatus and an equalization method. A plurality of equalizers is applied to the equalization apparatus to eliminate interferences of multiple clusters in a channel. The weights of the equalizers are calculated under minimum mean square error criterion by gains of delay paths of multiple clusters in the whole channel. Therefore, the interference of different clusters in the whole channel can be greatly eliminated. | 2010-09-09 |
20100226424 | TAP/GROUP-REVIVABLE DECISION FEEDBACK EQUALIZING METHOD AND EQUALIZER USING THE SAME - A tap/group-revivable decision feedback equalizing method and equalizer using the same is disclosed. The equalizer includes a feed-forward filter and a feedback filter each with a plurality of taps divided in groups. The tap/group-revivable decision equalizing method includes training all the taps to generate their tap coefficients, and selecting all the taps of any of the groups with a tap coefficient greater than a predetermined value and selecting a number of taps of any of the groups without a tap coefficient greater than the predetermined value, but with a neighboring group with a tap coefficient greater than the predetermined value are selected, and having the selected taps utilized for equalization. | 2010-09-09 |
20100226425 | ENCODING AND DETECTING APPARATUS - An encoding data processor generates a video material item marked copy by representing a payload data word as a code word and embedding the code word into a copy of the video material item. A preprocessor divides the payload word into plural parts, forms plural initial values from the plural parts, each initial value formed by adding parts of the payload data word to each initial value successively starting with the first part added to the first initial value, and adds the first and second to the second initial value so each subsequent initial value includes all parts of the payload data word of the previous initial values and a new part of the payload data word. An encryption processor receives each initial value and generates an encrypted data stream using a payload encryption key. A combiner combines the encrypted payload data word with the video material item. | 2010-09-09 |
20100226426 | Transmission of Physical Layer Signaling in a Broadcast System - Aspects of the invention provide apparatuses, computer media, and methods for supporting the broadcast of extended signaling data over a network. With an aspect of the invention, all of the extended signaling data may be distributed over multiple data frames. With another aspect, only dynamic signaling redundancy data is distributed over different data frames, where systematic information (for example, configurable signaling data) is transmitted in accordance with traditional systems. In addition, backwards compatibility with traditional systems may be supported, in which extended signaling is contained in an extension field. Error correction code may be applied to the extended signaling in concert with different codes. With another aspect, only extended signaling is supported without backwards compatibility with traditional systems. | 2010-09-09 |
20100226427 | APPARATUS AND METHOD FOR ENCODING AND DECODING MULTILAYER VIDEOS - A multilayer video encoding/decoding apparatus and method using residual videos, in which a base layer video is output by decoding a base layer bitstream, individual layer videos are output by decoding encoded individual layer bitstreams, format up-conversion is performed on the base layer video and at least one of the individual layer residual videos, and individual layer videos having different formats from the base layer video are reconstructed using the conversion results. | 2010-09-09 |
20100226428 | ENCODER AND DECODER CONFIGURATION FOR ADDRESSING LATENCY OF COMMUNICATIONS OVER A PACKET BASED NETWORK - An encoder for sending encoded video over a public packet-based communication network to a distribution server. The encoder comprises an encoder engine adapted for receiving video content and for encoding the received video content using a predefined encoding algorithm. The encoder also has a send buffer adapted for configuring the encoded content as an encoded video stream expressed as a plurality of packets for transmitting over the network, such that the send buffer has send buffer settings compatible with receive buffer settings associated with the distribution server, such that the distribution server is adapted for subsequent distribution of the encoded video stream over the network to a decoder having the algorithm for use in decoding of the encoded video stream, such that the socket configuration is between the send buffer of the encoder and the receive buffer of the distribution server. | 2010-09-09 |
20100226429 | METHODS AND ELECTRONIC DEVICES FOR QUANTIZATION AND DE-QUANTIZATION - Electronic devices for de-quantization are disclosed. An electronic device includes at least a multiplier. The multiplier generates a de-quantization scale by multiplying a first sub-factor by a second sub-factor after acquiring a macro-block (MB) from a bitstream. The generated de-quantization scale enables de-quantization of a block of the MB. Another electronic device includes at least a multiplier. The multiplier generates a quantization scale by multiplying the inverse of a first sub-factor by the inverse of a second sub-factor after acquiring an MB from a video sequence. The generated quantization scale enables quantization of a block of the MB. | 2010-09-09 |
20100226430 | Robust Single-Pass Variable Bit Rate Encoding - An encoding manager facilitates robust single-pass variable bit rate video encoding of a video sequence. Before encoding the video sequence, the encoding manager determines the size of a buffer to use for keeping track of over/under used bits generated during encoding. The encoding manager uses the target bit rate for the video sequence and the length of the video sequence to determine the size of the buffer. After allocating bits to a frame of the sequence, the encoding manager determines the quant to use to encode that frame. The determination of a quant to use to encode a frame is informed by the fullness of the buffer. The encoding manager adjusts the quant to use (and thus the aggressiveness of its encoding) in response to the amount of overflow generated thus far by the encoding of the video sequence. | 2010-09-09 |
20100226431 | Video encoder and decoder apparatus deciding error in transform coefficients between an original image and a predictive image - A video encoder apparatus using a distributed video coding (DVC) includes a Wyner-Ziv frame encoder for forming a predictive image of a Wyner-Ziv frame on the basis of coded key frames, and determining, according to the fallibility of the transform coefficients of the predictive image with respect to the transform coefficients of an original image based on the Wyner-Ziv frame, the amount of error correction codes to be transmitted so as to transmit the error correction codes corresponding to the determined amount. When no errors are found between the transform coefficients of the original image of the Wyner-Ziv frame and the predictive image, information indicating that no errors are found is sent out instead of the error correction codes for the Wyner-Ziv frame in question. | 2010-09-09 |
20100226432 | INTERPOLATION FILTERING METHOD, IMAGE CODING METHOD, IMAGE DECODING METHOD, INTERPOLATION FILTERING APPARATUS, PROGRAM, AND INTEGRATED CIRCUIT - An interpolation filtering method includes selecting (S | 2010-09-09 |
20100226433 | MOVING IMAGE CODING APPARATUS AND MOVING IMAGE CODING METHOD - A moving image coding apparatus is provided. The moving image coding apparatus includes a processing unit having an information amount control processor determining a quantization parameter in such a manner that while a lead-in of the set of the pictures is set as a reference, upon a position of the inter-coded picture being after a predetermined position corresponds to a first position at a predetermined cycle shorter than the number of pictures included in the set of the pictures, the number of coding bits allocated to the inter-coded picture is a value obtained by adding a first predetermined amount to a predetermined reference value, and upon the position of the inter-coded picture being after the predetermined position and also at a second position different from the first position, the number of coding bits is a value obtained by subtracting a second predetermined amount from the reference value. | 2010-09-09 |
20100226434 | METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE BY USING SUB-PIXEL-BASED MOTION PREDICTION - Provided are a method and apparatus for encoding an image by using sub-pixel-based motion prediction and a method and apparatus for decoding an image by using sub-pixel-based motion prediction. The method of encoding an image includes determining weights for respective low-precision sub-pixels for interpolation between the low-precision sub-pixels, determining an interpolation direction for the low-precision sub-pixels based on a position of a high-precision sub-pixel between the low-precision sub-pixels, and performing motion prediction in units of high-precision sub-pixels determined by interpolation which applies the interpolation direction and the weights to the low-precision sub-pixels. | 2010-09-09 |
20100226435 | SYSTEM AND METHOD FOR FRAME RATE CONVERSION THAT UTILIZES MOTION ESTIMATION AND MOTION COMPENSATED TEMPORAL INTERPOLATION EMPLOYING EMBEDDED VIDEO COMPRESSION - A technique for frame rate conversion that utilizes motion estimation and motion compensated temporal interpolation includes obtaining a first image and a second image, where the first and second images correspond to different instances in time, compressing the second image using multiple motion vectors that result from motion estimation between the first image and the second image to generate a compressed image, and generating an interpolated image using the compressed image. | 2010-09-09 |
20100226436 | SYSTEM AND METHOD TO PROCESS MOTION VECTORS OF VIDEO DATA - Systems and methods to process motion vectors of video data are disclosed. According to an embodiment, an intra-block in a video frame of the video data is identified. At least a first set and a second set of inter-blocks that neighbor the identified intra-block are identified, where each inter-block in a set of inter-blocks has a motion vector associated therewith. Data of the first and second set of inter-blocks is evaluated to determine an error associated with each of the first and second sets. A motion vector associated with motion vectors of the inter-blocks of the set with the least error is determined. The determined motion vector may be associated with the identified intra-block. | 2010-09-09 |
20100226437 | REDUCED-RESOLUTION DECODING OF AVC BIT STREAMS FOR TRANSCODING OR DISPLAY AT LOWER RESOLUTION - A method of and system for reducing complexity for transcoding Advanced Video Coding (AVC) videos is described herein. Transcoding from higher resolution signals to lower resolution signals or to signals for a lower resolution display is implemented. The complexity is reduced by decoding the AVC video at reduced horizontal and/or vertical resolution. This results in the reduction of computation cost for decoding and re-sampling the AVC video to lower resolution. | 2010-09-09 |
20100226438 | Video Processing Systems, Methods and Apparatus - Video compression and decompression that produces a desirable balance of compression rate and picture quality while, at the same time, reducing an average number of computational cycles required to achieve the desired picture quality and compression rate. Also disclosed are video processing platforms, systems and methods that produce a quality and bits per frame performance for more widespread use of video data exchanges using standardized computer architectures, such as cellular phones having non-video optimized processing platforms. | 2010-09-09 |
20100226439 | IMAGE DECODING APPARATUS AND IMAGE DECODING METHOD - An image decoding apparatus that performs decoding using motion compensation includes: a reference area specifying unit that specifies, prior to decoding performed on a block-by-block basis, a reference area that is an existing range of reference pixels in a reference picture based on a block on which motion compensation is to be performed; a decoded pixel memory which stores decoded pixel data; a reference pixel buffer that holds reference pixel data; a reference-pixel-reading control unit that copies pixel data of an area including the reference area specified by said reference area specifying unit, from said decoded pixel memory into said reference pixel buffer; a motion compensation unit that generates interpolation pixel data by performing the motion compensation using reference pixel data copied into said reference pixel buffer; and a pixel value decoding unit that generates decoded pixel data using the interpolation pixel data. | 2010-09-09 |
20100226440 | IMAGE ENCODING DEVICE, IMAGE ENCODING CONTROL METHOD, AND PROGRAM - An image encoding control method for controlling processing for encoding data of an input moving image based on an interlace system comprises: a step of determining whether or not a chrominance-component motion vector generated based on the luminance-component motion specifies a reference prohibition region preset at least one of outside an upper boundary and outside a lower boundary of the reference image, for each combination of a field type of the region to be encoded and the field type of the reference image; and a step of prohibiting, when the chrominance-component motion vector generated based on the luminance-component motion vector specifies the reference prohibition region, the luminance-component motion vector from being output as a motion vector specifying a region that is most similar to the region to be encoded. | 2010-09-09 |
20100226441 | Frame Capture, Encoding, and Transmission Management - Example embodiments of the present disclosure provide techniques for improving the rendering and management of client desktops and the subsequent transmission to the remote client. The techniques may minimize the movement of frame data within the server, the amount of data to be compressed, the amount of data transmitted over the network, and the amount of data to be decompressed. Various embodiments are disclosed for merging rendering functions and encoding functions onto the same chip so that frame data does not need to be transferred, calculation of a tile-based checksum for determining which tiles have changed from frame to frame, the dropping of tiles waiting to be transmitted if network bandwidth or decode speed is limiting the transmission and an equivalent tile in a subsequent frame is available to replace it, and the transfer of the frame buffer into the chip from an external GPU using one of three modes. | 2010-09-09 |
20100226442 | BIT STREAM BUFFER CONTROLLER AND ITS METHOD - A bit-stream buffer controller for a video decoder includes a first FIFO, a second FIFO, and an interrupt controller. The first FIFO is configured to store an input bit-stream. The second FIFO is configured to store a payload extracted from the input bit-stream. The interrupt controller is configured to generate an interrupt signal according to a fullness status of the first FIFO and the second FIFO such that the video decoder may be switched to load the payload without checking the fullness status each time the payload is loaded. | 2010-09-09 |
20100226443 | APPARATUS AND METHOD FOR ENCODING AND DECODING SIGNALS - New capabilities will allow conventional broadcast transmission to be available to mobile devices. The present embodiments describe an apparatus and method for encoding and decoding signals. A method includes the steps of generating data blocks, encoding a first set of data blocks using a first encoding rate, encoding a second set of data blocks using a second encoding rate, and generating a control packet, the control packet identifying the first set of data blocks and the first encoding rate, and identifying the second set of data blocks and the second encoding rate. An apparatus includes a first decoder receiving data and decoding a first subset of the data, including a control packet, at a first decoding rate and a controller controlling the operation of the first decoder based on the decoded control packet. | 2010-09-09 |
20100226444 | SYSTEM AND METHOD FOR FACILITATING VIDEO QUALITY OF LIVE BROADCAST INFORMATION OVER A SHARED PACKET BASED NETWORK - A system and method for distributing encoded video content over a public packet-based communication network to a plurality of decoders. The system comprises a receive buffer adapted for receiving an encoded video stream from the network as a plurality of packets, having first receive buffer settings compatible with second receive buffer settings associated with an encoder buffer being the origin of the encoded video stream. The system also has a distribution module adapted for replicating the encoded video stream as a plurality of encoded video streams, and a send buffer adapted for sending the plurality of video streams over the network, a first replicated encoded video stream of the plurality of video streams is configured for sending to a first decoder buffer and a second replicated encoded video stream of the plurality of video streams is configured for sending to a second decoder buffer different from the first decoder buffer. | 2010-09-09 |
20100226445 | Method and receiver for decoding digital information - In a method for decoding digital information, a bit-stream signal comprising binary information is received at a digital receiver utilizing wired communication. The received bit-stream signal is sampled for each binary value at least two different sampling points within an eye pattern associated with the related binary value in order to obtain a hard-bit value for each sampling point. A single soft-bit value for each binary value based on the hard-bit values of the relevant binary value is generated and the bit value of the binary value is determined by subjecting the soft-bit values to a soft-decision algorithm. | 2010-09-09 |
20100226446 | COMMUNICATION APPARATUS - A communication apparatus has an A/D converter which converts an analog signal which was received, into a digital signal, a converter which converts a reception signal so as to enable handling of phase information, a carrier detector which detects presence or absence of the reception signal, a synchronous circuit which extract synchronization timing from the reception signal, an equalizer which corrects the reception signal so as to cancel influence of a transmission path, a transmission path estimator which estimates a state of a power line transmission path, and a judging unit which judges the reception signal, which was amended by the equalizer, by use of a threshold value. | 2010-09-09 |
20100226447 | MODULE CONNECTING SYSTEM - An object of the present invention is to provide a module connecting system that can comply flexibly with the number of expansion modules and has an inexpensive and simple configuration. In the configuration of the module connecting system of the present invention, a basic module transmits a repetitive pulse signal to an expansion module, the repetitive pulse signal whose frequency is divided by a frequency dividing circuit included in the expansion module is output as frequency dividing information to the basic module, and the number of expansion modules is determined based on the frequency dividing information. | 2010-09-09 |
20100226448 | CHANNEL EXTRAPOLATION FROM ONE FREQUENCY AND TIME TO ANOTHER - An improved channel estimation technique is provided herein that determines accurate scatterer parameters for the scattering objects in the wireless channel, and extrapolates the scatterer parameters in both time and frequency to characterize the scattering objects for a different time and a different frequency. In one embodiment, a wireless device determines scatterer parameters that characterizes the scattering objects of a reception channel, and extrapolates the scatterer parameters in both time and frequency to predict the scatterer parameters for a future time and frequency, e.g., a future transmission time and frequency. | 2010-09-09 |
20100226449 | Method and System for Reducing the Peak-to-Average Power Ratio - This invention provides a method and system for reducing the PAPR. The method involves (i) intentionally inserting error(s) into the time or frequency domain and (ii) employing various bit mapping schemes to provide a significant reduction in the PAPR. An embodiment of the error insertion of the method involves intentionally inserting symbol error(s) into the quadrature amplitude modulation (QAM) symbol stream before applying discrete Fourier transform in OFDM. The method trades off the coding gain of the system for the PAPR reduction of the OFDM signals and does not require transmission of side information. It further has reduced complexity and improved bit error rate (BER) performance when used with a typical non-linear amplifier as compared to alternative existing methods (Gray coding, tone injection, tone reservation, etc.) | 2010-09-09 |
20100226450 | RECEIVER AND WIRELESS COMMUNICATION SYSTEM EQUIPPED WITH THE SAME - A receiver includes: an amplifier that amplifies a received broadband signal up to a predetermined level; a first switch that switches an output signal from the amplifier; a signal generator that generates a signal for controlling a switching operation of the first switch; an integration capacitor that integrates an output signal from the first switch; a comparator that compares an output voltage from the integration capacitor with a predetermined voltage; and a reset circuit that discharges electrical charges accumulated in the integration capacitor based on a comparison result from the comparator. | 2010-09-09 |
20100226451 | APPARATUS AND METHOD FOR CHANNEL ESTIMATION IN WIRELESS COMMUNICATION SYSTEM - An apparatus and method for regulating arrangement of pilot subcarriers to improve a channel estimation throughput in a wireless communication system using an Orthogonal Frequency Division Multiplexing (OFDM) scheme are provided. The apparatus includes a pilot pattern manager for providing control such that pilots are non-uniformly generated according to a distance of a preamble in order to provide a constant link throughput of the frame when the downlink frame is generated. | 2010-09-09 |
20100226452 | METHOD AND SYSTEM FOR REDUCING FEEDBACK INFORMATION IN MULTICARRIER-BASED COMMUNICATION SYSTEMS BASED ON FREQUENCY GROUPING - Systems and methods for decreasing the amount of information sent on a feedback channel are disclosed. Various forms of spectral binning may be used to reduce the amount of information sent on the feedback channel. The systems and methods may be applicable to wideband communication systems, ultra-wideband communication systems, and/or other communication system using multiple carrier frequencies (e.g., tones). | 2010-09-09 |
20100226453 | PILOT PATTERN DESIGN FOR A STTD SCHEME IN AN OFDM SYSTEM - A transmitting device for transmitting data symbols and pilot symbols in an OFDM transmission system; the device comprising symbol generating means for generating said data symbols and said pilot symbols, means for transmitting said data symbols and pilot symbols respectively by using a plurality of subcarriers of said OFDM transmission system, wherein said symbol generating means is designed to selectively generate a first type pilot symbol and a second type pilot symbol being orthogonal to said first type pilot symbol so that a pilot symbol pattern in the frequency dimension comprises at least said first type pilot symbol to be transmitted by using a predefined subcarrier and second type pilot symbol to be transmitted by using other predefined subcarrier, and wherein said pilot symbol pattern has a different pattern from a succeeding pilot symbol pattern in time dimension. | 2010-09-09 |
20100226454 | Method and apparatus for synchronizing a wireless communication system - Techniques for synchronizing a receiver and transmitter in a wireless communication system address synchronization within the context of a detection formulation and provide synchronization statistics used to declare a synchronization detection. A signal is received from a channel at multiple receiving antennas. The receiver and transmitter are synchronized based on the received signal and a channel model incorporating the multiple receiving antennas. The channel model may also incorporate a resolvable delay spread of the received signal with respect to each receiving antenna. Synchronization may be based on a known component of a received signal and further on a channel model incorporating multiple receiving antennas and an interference signal. The known component may be a cyclic prefix or a pilot sequence as in orthogonal frequency division multiplexing (OFDM). | 2010-09-09 |
20100226455 | Closed Loop Mimo Harmonized Feedback - The subject matter disclosed herein provides methods and apparatus for closed loop operation of a wireless system implementing multiple input multiple output (MIMO). In one aspect, there is provided a method. The method may include receiving a payload including channel estimation information. Moreover, one or more bits of the payload may be inserted into a subset of the tiles of a slot. The slot including the subset of the tiles carrying the one or more bits of the payload may be provided as part of a closed loop MIMO-based system. Related systems, apparatus, methods, and/or articles are also described. | 2010-09-09 |
20100226456 | METHOD AND SYSTEM FOR TRANSMITTER BEAMFORMING FOR REDUCED COMPLEXITY MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) TRANSCEIVERS - Aspects of a method and system for transmitter beamforming for reduced complexity multiple input multiple output (MIMO) transceivers are presented. Aspects of the system may include a MIMO transmitter that computes a channel estimate matrix and decomposes the computed channel estimate matrix based on singular value decomposition (SVD). Singular values in a singular value matrix may be rearranged and grouped to generate a plurality of submatrices. In one aspect, each of the submatrices may be decomposed based on GMD at a MIMO transmitter, while a MIMO receiver may utilize a vertical layered space time (VLST) method. In another aspect, the MIMO transmitter may utilize Givens rotation matrices corresponding to each of the submatrices, while the MIMO receiver may utilize maximum likelihood (ML) detection. | 2010-09-09 |
20100226457 | COMMUNICATION SYSTEM, TRANSMITTER AND RECEIVER - A communication system comprises a transmitter configured to binary data and a receiver configured to the data transmitted from the transmitter. The transmitter counts the number of bits of any one of binary value of a data section of the transmission data, and determines whether or not inversion processing should be performed in accordance with the counted number. When performing the inversion processing, the transmitter reverses each bit of the data section of the transmission data, adds inversion information showing that the bits have been reversed, and transmits the transmission data. The receiver receives the transmission data and determines whether or not inversion processing should be performed for the reception data, on the basis of the inversion information of the reception data. When performing the inversion processing, the receiver reverses each bit of the data section of the reception data. | 2010-09-09 |
20100226458 | OFDM Spectral Control - A method and apparatus for configuring a variable filter in an OFDM transmitter based on the number of subcarrier frequencies selected for the input data block is described herein. An exemplary OFDM transmitter comprises a control unit, OFDM modulator, and variable filter. The control unit selects the number of subcarriers for the input data block, and configures one or more filter properties for the variable filter based on the selected number of subcarriers. The modulator, which has a size greater than the selected number of subcarriers, pads an input data block generated for the selected number of subcarriers to generate an expanded data block having a size equal to the size of the modulator, and modulates the expanded data block to generate an OFDM signal. The filter, as configured by the control unit, filters the OFDM signal. | 2010-09-09 |
20100226459 | Apparatus and Method for I/Q Modulation - An apparatus and method for I/Q modulation are provided. According to the apparatus and method, the symbol error probability performance of a conventional I/Q modulation method can be improved by a maximum of 3dB, and when the same symbol error rate (SER) as that of the conventional method is obtained, the power consumption can be reduced to half that required by the conventional method. The apparatus includes: an oscillator generating a sine wave signal; an IQ sine wave signal generation unit adjusting the phase of the sine wave signal based on I channel data and Q channel data, thereby generating an I channel sine wave signal and a Q channel sine wave signal such that a signal obtained by mixing a first signal and a second signal satisfies the condition that the mixed signal has a phase on a signal constellation diagram corresponding to the I and Q channel data, in which the first signal is obtained by applying the I channel data to the I channel sine wave signal and the second signal obtained by applying the Q channel data to the Q channel sine wave signal; and a transmission signal generation unit generating a transmission signal corresponding to the I and Q channel data, by respectively applying the I channel data and the Q channel data to the I channel sine wave signal and the Q channel sine wave signal. | 2010-09-09 |
20100226460 | TUNER UNIT INCLUDING A PLURALITY OF TUNER CIRCUITS - A tuner unit includes a case, first and second antenna terminals, a first tuner circuit for digital terrestrial broadcast reception, a second tuner circuit for digital satellite broadcast reception, and a plurality of external pins. The first and second antennal terminals are arranged in a line along a first straight line, and the plurality of external pins are arranged in a line along a second straight line parallel to the first straight line. A signal in the first tuner circuit flows in a direction from the first antenna terminal toward the second antenna terminal, and a signal in the second tuner circuit flows in a direction from the second antenna terminal toward the first antenna terminal. Consequently, reduction in size can be achieved while maintaining an interval between the first and second antenna terminals at a prescribed distance. | 2010-09-09 |
20100226461 | COMMUNICATION DEVICE, COMMUNICATION METHOD, AND PROGRAM - A communication device includes: demodulating means for demodulating a transmission signal from another communication device that performs noncontact communication; calculating means for performing at least one of addition and subtraction of a predetermined voltage according to a logical value of a demodulated signal obtained by demodulation by the demodulating means; determining means for determining a communication system of the transmission signal transmitted by the other communication device by comparing a calculation result of the calculating means at predetermined timing after a lapse of a predetermined time from the start of communication with a threshold voltage; and transmitting means for transmitting predetermined data to the other communication device in the communication system determined by the determining means among plural communication systems that the device itself can support. | 2010-09-09 |
20100226462 | RECEIVING APPARATUS AND METHOD WITH NO OVERSAMPLING ANALOG TO DIGITAL CONVERSION - The present invention relates to a receiving apparatus for receiving signals in a wireless communication system, in which the signals comprise a dedicated channel estimation sequence, comprising an analog to digital converter adapted to convert received signals into digital samples with a sampling rate identical to a symbol rate of the received signals, a channel estimation means adapted to perform a channel estimation on the basis of the dedicated channel estimation sequence comprised in a digital samples of the received signals, an evaluation means adapted to evaluate the channel estimation result from the channel estimation means, and a control means adapted to control a phase of the sampling rate of the analog to digital converter on the basis of an evaluation of the channel estimation result. | 2010-09-09 |
20100226463 | SYNCHRONIZATION STRUCTURE AND METHOD FOR A RECEIVING APPARATUS OF A COMMUNICATION SYSTEM - The present invention relates to a synchronization structure for a receiving apparatus for receiving signals in a communication system, in which the signals are transmitted in frames, each frame comprising a synchronization part with synchronization sequences, wherein at least one of the synchronization sequences as a different phase than the other synchronization sequences, comprising correlation means adapted to perform a correlation on the synchronization part, peak detection means adapted to detect candidate correlation peaks and the correlation result, and correlation peak detection means adapted to detect a correlation peak among said candidate correlation peaks on the basis of a confidence value and phase information. | 2010-09-09 |
20100226464 | METHOD AND APPARATUS FOR ELIMINATING FREQUENCY-DOMAIN INTERFERENCE SIGNALS - The present invention discloses a method and an apparatus for eliminating frequency-domain interference signals, and relates to communication technologies. The method includes: multiplying a frequency-domain channel estimation value by a frequency-domain interference signal to obtain a frequency-domain received interference signal; and subtracting the frequency-domain received interference signal from the frequency-domain received signal to obtain the frequency-domain received signal free of interference. The apparatus includes a multiplying module and a subtracting module. A frequency-domain equalizer includes an interference signal obtaining module and an interference signal eliminating module. The technical solution provided herein eliminates interference signals in the frequency domain, and saves the calculation load in contrast with elimination of time-domain interference signals. | 2010-09-09 |
20100226465 | DIVERSITY RECEIVER AND DIVERSITY RECEIVING METHOD - A purpose of the present invention is to provide a diversity receiver and a diversity receiving method, which are capable of performing a diversity reception without depending upon a moving speed, and also capable of achieving compatibility between reception performance and current consumption. A bit error rate calculator ( | 2010-09-09 |
20100226466 | System and Method for Transmitting Data Using Quantized Channel Rates - A quantized channel rate and corresponding rate multiplier is determined on a transmitter-side of a communication system based on a measured minimum required bandwidth. In certain embodiments, the quantized data rate may be an integer multiple of the system's reference clock. The determined rate multiplier is then transmitted to the receiver-side at a default data rate prior to or near the beginning of a data transmission session, such as upon initialization. Prior to transmission, the data stream may be padded with some determined amount of null data such that the actual transmitted data rate is approximately equal to the quantized channel rate, and the receiver-side can readily recover the data clock using its known reference clock and the previously-provided rate multiplier. | 2010-09-09 |
20100226467 | FRAME NUMBER DETECTING DEVICE - A frame number detecting device includes: a symbol counter that receives a received signal including frames each of which is formed of a predetermined number of symbols, and outputs a count value as a symbol number for each of the symbols by incrementing the count value by one every time one symbol is inputted, each of the frames including a frame synchronization signal including a part obtained by shifting a frame synchronization signal of a different frame on a symbol-by-symbol basis according to a predetermined rule; a sequence storage that stores a synchronization sequence based on at least one of the frame synchronization signals included in the received signal, and a pattern matching unit that performs pattern matching between the synchronization sequence stored in the sequence storage and the received signal. | 2010-09-09 |
20100226468 | METHOD FOR DETERMINING AN UNCERTAINTY COMPONENT RELATING TO POWER DISTRIBUTION IN A NUCLEAR REACTOR CORE - The invention relates to a method for obtaining ( | 2010-09-09 |
20100226469 | ATOMIC REACTOR WATER SUPPLY PIPING STRUCTURE AND ULTRASONIC FLOWMETER SYSTEM - A technology for accurately measuring with the use of an ultrasonic flowmeter the flow rate through a nuclear reactor water supply piping interposed between a nuclear reactor and a nuclear reactor water supply pump. In a reactor coolant cleaning system ( | 2010-09-09 |
20100226470 | DIRECT VESSEL INJECTION (DVI) NOZZLE FOR MINIMUM EMERGENCY CORE COOLING (ECC) WATER BYPASS - A direct vessel injection (DVI) nozzle for minimum emergency core coolant (ECC) bypass is disclosed. The DVI nozzle is used in a pressurized light water reactor (PLWR) having a reactor vessel with a reactor coolant system in which a coolant flows into the reactor vessel through a cold leg and passes through a reactor core prior to being discharged to the outside of the reactor vessel through a hot leg. The DVI nozzle, provided to directly inject ECC into the reactor vessel to cool the reactor core during a break in the reactor coolant system, such as a cold leg break (CLB) that may occur in the PLWR, is placed on the reactor vessel at a position horizontally offset from the central axis of the hot leg at an angle of 10° to 30° and is involved within a region defined above the central axis of the hot leg by a distance of 1.5 times the sum of diameters of the hot leg and the DVI nozzle. Thus, the DVI nozzle efficiently injects ECC, and remarkably reduces the direct ECC bypass fraction to a broken cold leg and minimizes the amount of direct ECC bypass. | 2010-09-09 |
20100226471 | SYSTEM FOR EVACUATING THE RESIDUAL HEAT FROM A LIQUID METAL OR MOLTEN SALTS COOLED NUCLEAR REACTOR - A system for evacuating the residual heat from a nuclear reactor cooled with liquid metal or molten salts has two types of heat exchangers immersed in the primary fluid of the reactor: heat exchangers with higher power density, which use boiling water as secondary cooling fluid and are particularly suitable for evacuating the residual heat in the first days after turning-off of the reactor; and heat exchangers operating with atmospheric air or with water and suitable for evacuating the residual heat for indefinite periods of time. Both types of heat exchangers present a bundle of heat-exchange elements, shaped in such a way that the secondary fluid circulating in each element is separated from the primary fluid of the reactor by a double wall of the element, which delimits a gap introduced in which is a pressurized inert gas having the function of continuous monitoring of the integrity of the heat exchanger and of thermal resistance calibrated for preventing solidification of the primary fluid of the reactor in the heat exchanger. | 2010-09-09 |
20100226472 | NUCLEAR FUEL ELEMENT AND ASSEMBLY - A nuclear fuel element having a thick walled lower section that transitions to a thinner walled upper section with the transition forming an annular interior ledge that supports the fuel pellets spaced above a bottom end plug. The space between the fuel pellets and the bottom end plug forms a gas collection plenum that assures the necessary void volume exists to maintain margin to rod internal pressure limits. | 2010-09-09 |
20100226473 | SHIFT REGISTER - A shift register includes multiple cascade-connected stages. Each stage generates an output signal in response to a clock signal and a first control signal. Each stage includes a pull-up module, a pull-up driving module, a first pull-down module, a second pull-down module, and a third pull-down module. The pull-up module is used for providing the output signal based on the clock signal. The pull-up driving module turns on the pull-up module in response to a first control signal. The first pull-down module adjusts voltage level on the first node to a first supply voltage in response to a second control signal. The second pull-down module adjusts voltage level on the output end to a second supply voltage in response to the second control signal. The third pull-down module adjusts voltage level on the second node to a third supply voltage in response to a third control signal. | 2010-09-09 |
20100226474 | X RAY CT SYSTEM - The dual energy X-ray CT apparatus automatically optimizes a map for separation to achieve a high degree of separation accuracy and a reduction of dose. | 2010-09-09 |
20100226475 | MAMMOGRAPHY/TOMOSYNTHESIS SYSTEMS AND METHODS AUTOMATICALLY DERIVING BREAST CHARACTERISTICS FROM BREAST X-RAY IMAGES AND AUTOMATICALLY ADJUSTING IMAGE PROCESSING PARAMETERS ACCORDINGLY - Methods and systems that automatically identify breast characteristics such as x-ray density and breast texture from initial x-ray images of the breast and automatically adjust process parameter setting of image processing algorithms that operate on the initial images to derive processing images suitable for display or further processing. | 2010-09-09 |
20100226476 | Low-Profile X-Ray Fluorescence (XRF) Analyzer - A low-profile, hand-holdable, self-contained x-ray fluorescence (XRF) analyzer includes an articulated head. Orientation of the head, relative to a body of the analyzer, may be user adjusted, manually and/or via remote control. A primary x-ray source and an x-ray detector are disposed within the head for articulation therewith. The analyzer may be inserted into a small diameter pipe or other hollow structure, and then the orientation of the head may be adjusted, so a business end of the head is oriented toward a portion of the interior of the pipe or other structure that is to be analyzed. Alternatively, a primary x-ray source and an x-ray detector are disposed within a fixed-orientation head, such that the business end axis of the analyzer is oriented approximately perpendicular to the main axis of the body. Optionally, one or more light sources and cameras may be used to generate images of regions near either of the analyzers to facilitate positioning the analyzer adjacent the sample and, in the case of the articulated head analyzer, orienting the head toward the sample. | 2010-09-09 |
20100226477 | X-RAY CONVERGENCE ELEMENT AND X-RAY IRRADIATION DEVICE - An X-ray convergence element and an X-ray irradiation device including the X-ray convergence element are provided. The X-ray convergence element can extend a working distance from an exit-side opening end thereof to a specimen, and can perform analysis of the specimen with rough surface, a fluorescent X-ray analysis, and a X-ray diffraction analysis, regardless of a size of the specimen. An X-ray blocking member | 2010-09-09 |
20100226478 | X-RAY DIFFRACTION DEVICE, OBJECT IMAGING SYSTEM, AND METHOD FOR OPERATING A SECURITY SYSTEM - An x-ray diffraction imaging device includes at least one x-ray detector and at least one scatter collimator positioned upstream of the at least one x-ray detector. The at least one collimator includes a plurality of successive plates. Each of the plurality of plates defines a plurality of rectangular holes. The plurality of successive plates are arranged such that the plurality of rectangular holes define a plurality of quadrilateral passages extending through the at least one scatter collimator. Each of the plurality of quadrilateral passages is configured to increase a rate of detection of first x-rays that define an x-ray transit path enclosed within a single such quadrilateral passage. Also, the plurality of quadrilateral passages is configured to decrease a rate of detection of second x-rays that define an x-ray transit path that intersects more than one such quadrilateral passage. | 2010-09-09 |
20100226479 | MULTICATHODE X-RAY TUBE - An improved x-ray tube that includes a plurality of cathodes in a region under vacuum is provided. Several wirelessly activatable elements, which are each assigned to a cathode or a group of cathodes, are arranged in the region under vacuum and make an electrically conducting connection of the cathode or the group of cathodes to a cathode control voltage line when receiving a control signal from outside of the region under vacuum. A system that includes the improved x-ray tube and several transmitter elements for the wireless activation of the wirelessly activatable elements is also provided. | 2010-09-09 |
20100226480 | METHOD AND APPARATUS FOR DETECTING LONG UNTERMINATED PHONE WIRING LOOPS - A method and apparatus for detecting unterminated phone line loops. The method comprises generating a voltage differential pulse across a phone line loop, measuring a voltage differential across the phone line loop, and determining if the phone line loop is properly terminated based upon the measured differential. The apparatus comprises a voltage pulse generator, two phone wires, and a voltage pulse detector. The voltage pulse generator sends a voltage differential pulse, the two phone wires carry the voltage differential, and the voltage pulse detector measures the voltage differential across the phone wires. | 2010-09-09 |
20100226481 | APPARATUS AND METHOD FOR PROVIDING EMERGENCY AND ALARM COMMUNICATIONS - An apparatus and method for establishing emergency and alarm communications between devices via an interface device are provided. According to one aspect, an interface device comprises an input, an output, and logic. The input receives data in a first format from the first device. The logic detects whether the data is intended to request assistance from emergency services and if so, determining proper routing, retrieving location information and transmit the data and location information to the proper destination. If not intended to request assistance, a second device for receiving the data is identified as well as a second format, the data is translated to the second format and transmitted to the second device. A battery may selectively provide power to essential components of the interface device upon detection of a power failure. Notifications are made upon detection of a power failure, malfunction, or emergency request. | 2010-09-09 |
20100226482 | SYSTEM AND METHOD FOR RECORDING AND DISTRIBUTING CUSTOMER INTERACTIONS - A system and method for recording and distributing calls are provided. A call may be associated with an information record. Parameters in the information record may be used to determine if the call is to be recorded. Parameters in the information record may be used to determine a method of providing a recording of the call. Other embodiments are described and claimed. | 2010-09-09 |
20100226483 | A method of and a communications system for playing a message to a calling party - A method of and a communications system ( | 2010-09-09 |
20100226484 | METHOD OF OPERATING A TELECOMMUNICATIONS SYSTEM FOR PROVIDING A REMOTELY ACCESSIBLE PERSONAL TELEPHONE DIRECTORY - A driver observation system has a plurality of camera modules mounted to an exterior area of a vehicle for providing real time video images on an exterior area of the vehicle. A control mechanism is coupled to the plurality of camera modules to control operation of each of the plurality of camera modules and to switch between different camera modules for viewing. A display system coupled to the control mechanism to show the real time video images. A recording device is coupled to the control mechanism for storing the real time video images. | 2010-09-09 |
20100226485 | TELEPHONE APPARATUS, IMAGE DISPLAY METHOD AND IMAGE DISPLAY PROCESSING PROGRAM - A telephone apparatus includes a storage unit, a display unit, a retrieving unit and a display control unit. The storage unit is configured to store a plurality of images therein. The display unit is configured to display at least one of the plurality of images. The retrieving unit is configured to retrieve a relating image from the images stored in the storage unit when an outgoing call is made to or an incoming call is received from other telephone apparatus through a telephone line. The relating image relates to a corresponding image associated with the other party of the outgoing or incoming call. The display control unit configured to perform control to display at least one of the corresponding image and the retrieved relating image on the display unit. | 2010-09-09 |
20100226486 | METHOD OF INFORMING A TELECONFERENCE PARTICIPANT THAT A PERSON-OF-INTEREST HAS BECOME ACTIVE WITHIN THE TELECONFERENCE - A computer implemented method, a computer program product, and a data processing system inform a teleconference participant that a person-of-interest has become active within the teleconference. A user is identified. A person-of-interest, an alert condition, and a notification method are received from the user. The identification, the alert condition, and the notification method are then stored in a person-of-interest data structure. When a user connects to a teleconference, the person-of-interest data structure is retrieved. The teleconference is then monitored for the occurrence of the alert condition. Upon the occurrence of the alert condition, the notification is delivered to the user according to the notification method. | 2010-09-09 |
20100226487 | METHOD & APPARATUS FOR CONTROLLING THE STATE OF A COMMUNICATION SYSTEM - A networked conferencing device includes at least one speaker, a display and a plurality of environmental sensors such as cameras, microphones, light level sensors, thermal sensors and motion sensors. The conferencing device receives environmental information from the sensors and processes this information to identify qualified events. The identified qualified events are then used to determine a next powered state for the conferencing device. If the next powered state is different than a current powered state, then the conferencing system transitions to the next powered state. | 2010-09-09 |
20100226488 | System and Method for Enhanced Address Resolution - As Mobile Subscribers increasingly employ their Wireless Devices to perform an ever expanding array activities an element that may reside in various portions of a messaging infrastructure and which efficiently and flexibly supports enhanced message address resolution capabilities. | 2010-09-09 |
20100226489 | METHOD AND APPARATUS FOR PROVIDING IMPROVED SUPPORT TO USERS ON INTERACTIVE VOICE RESPONSE BREAKOUT SESSION - In one embodiment, a method includes obtaining context information associated with a call into a call center. The context information includes at least one input provided by a caller during the call. The method also includes determining when the caller requests an interaction with an agent associated with the call center, and providing the context information to the agent when the caller requests the interaction with the agent. A communications session is maintained between the caller and the agent when the caller requests the interaction with the agent. | 2010-09-09 |
20100226490 | VIRTUAL CALL CENTER MANAGER - An approach is provided for providing a virtual call center by receiving a request for service from a user (e.g., subscriber) and staffing the virtual call center with virtual agents selected based on the service requirements of the user and the rich presence information of the virtual agents. The rich presence information includes a skill set of the virtual agent, presence status of the virtual agent, location of the virtual agent, calendar information of the virtual agent, communication capability of the virtual agent, mobility of the virtual agent, or a combination thereof. | 2010-09-09 |
20100226491 | NOISE CANCELLATION FOR PHONE CONVERSATION - The present disclosure relates to systems and methods for noise cancellation of phone conversation. Some of the systems can include a phone having a microphone and a noise cancellation device. In some examples, the noise cancellation device has a microphone for receiving an input sound wave and positioned proximate the phone microphone, a processor for generating a noise cancellation sound wave based on the input sound wave, and a speaker for outputting the noise cancellation sound wave. The phone microphone and the noise cancellation device microphone can be shared or different microphones, and can also be microphone is integral to the phone. The shared or separate microphones can be part of a phone headset. | 2010-09-09 |
20100226492 | Echo canceller canceling an echo according to timings of producing and detecting an identified frequency component signal - An echo canceller includes an initial delay estimator producing a reference signal containing an identified frequency component masked by means of frequency masking effect to output the reference signal on an echo path, and detecting, from a sending voice signal, an echo component of the identified frequency component derived from the reference signal. The estimator finds an initial delay amount on the echo path on the basis of a forming timing of the reference signal containing the identified frequency component and a detection timing of the echo component in the identified frequency component in the sending voice signal. The echo canceller includes a delay circuit for delaying a received voice signal by the initial delay amount on the echo path obtained from the estimator to supply a resulting signal to a pseudo echo generator. | 2010-09-09 |
20100226493 | ENCRYPTION/DECRYPTION DEVICE, ENCRYPTION/DECRYPTION METHOD, AND COMPUTER PROGRAM - It is possible to realize a Feistel-type common key block encryption/decryption processing configuration capable of reducing data stored in a memory at a low cost. The Feistel-type common key block encryption/decryption processing repeatedly executes an SP-type F function having nonlinear and linear transform sections by several rounds. At least one of the nonlinear and linear transform processes executed in the F function in each round is executed as a transform process identical with a transform process applied to an encryption/decryption algorithm other than a Feistel-type common key block encryption/decryption algorithm and/or another hash function such as AES and Whirlpool. With this configuration, it is possible to reduce the design cost and the amount of data stored in a memory. | 2010-09-09 |
20100226494 | SYSTEM AND METHOD FOR PAYLOAD ENCODING AND DECODING - Systems, methods and apparatuses are disclosed for protecting encoded media data. A minimum set of information needed to encode a single message for an encoded audio signal is loaded separately from the media data into an encoder. A media license file is generated to protect the encoded data, where the underlying information relevant to the media data may be hidden through encryption or other means in order to foster security. The algorithm(s) for encoding may be provided using a shared library, combined with an encoding payload that provides the minimum information set required to form the single message. A partial decoder may apply pattern matching information in the encoded payload in order to confirm that the encoding is actually present and is proper. Accordingly, the payload must be successfully decoded and verified before the underlying data may be decoded. | 2010-09-09 |
20100226495 | Digital readout method and apparatus - A digital focal plane array includes an all-digital readout integrated circuit in combination with a detector array. The readout circuit includes unit cell electronics, orthogonal transfer structures, and data handling structures. The unit cell electronics include an analog to digital converter. Orthogonal transfer structures enable the orthogonal transfer of data among the unit cells. Data handling structures may be configured to operate the digital focal plane array as a data encryptor/decipherer. Data encrypted and deciphered by the digital focal plane array need not be image data. | 2010-09-09 |
20100226496 | ENCRYPTION APPARATUS, DECRYPTION APPARATUS, KEY GENERATION APPARATUS, AND STORAGE MEDIUM - A decryption apparatus includes a section assignment unit which assigns a section D to a plurality of encrypted texts F | 2010-09-09 |
20100226497 | COMMUNICATIONS SYSTEM EMPLOYING ORTHOGONAL CHAOTIC SPREADING CODES - Systems and methods for code-division multiplex communications. The methods involve forming orthogonal or statistically orthogonal chaotic spreading sequences (CSC | 2010-09-09 |
20100226498 | Audio apparatus and audio processing method - The present invention provides an audio apparatus including: a decoding device configured to decode results of channel-by-channel reproduction of a multichannel sound source made up of at least a left channel, a right channel, and a center channel, and to down-mix the decoded results of channel-by-channel reproduction in accordance with the number of speakers configured in a speaker system without a center speaker corresponding to the center channel; an audio processing device configured to perform predetermined audio processing on the decoded results having undergone the down-mixing by the decoding device, and to get the processed results output from the speaker system; and a control device configured to control the audio processing device. | 2010-09-09 |
20100226499 | A DEVICE FOR AND A METHOD OF PROCESSING DATA | 2010-09-09 |
20100226500 | AUDIO SIGNAL PROCESSING - Systems and methods of processing audio signals are described. The audio signals comprise information about spatial position of a sound source relative to a listener. At least one audio filter generates two filtered signals for each of audio signal. The two filtered signals are mixed with other filtered signals from other audio signals to create a right output audio channel and a left audio output channel, such that the spatial position of the sound source is perceptible from the right and left audio output channels. | 2010-09-09 |
20100226501 | BACKGROUND NOISE ESTIMATION - In a system for estimating the power spectral density of acoustical background noise when the level of a smoothed power spectral density signal increases, an increment value is increased, starting from a minimum increment value, by a predetermined amount until a maximum increment value is reached if at the same time the value of the power spectral density currently determined in a new calculation cycle is larger than the estimate value of the power spectral density of the background noise determined in the previous calculation cycle. For cases in which the level of the smoothed power spectral density decreases, the amplitude of the decrement value is increased, starting from a minimum decrement value, by a predetermined amount until a maximum decrement value is reached if at the same time the value of the power spectral density currently determined in a new calculation cycle is smaller than the estimate value of the power spectral density of the background noise determined in the previous calculation cycle. | 2010-09-09 |
20100226502 | Method For Fabricating A Hearing Device | 2010-09-09 |
20100226503 | ECHO CANCELLER - An echo canceller capable of suppressing an echo more effectively than the case of performing filter processing by a signal of a fixed-point format while suppressing an increase in cost is provided. An echo canceller | 2010-09-09 |
20100226504 | SOUND SOURCE SEPARATING APPARATUS AND SOUND SOURCE SEPARATING METHOD - There is disclosed a sound source separating apparatus ( | 2010-09-09 |
20100226505 | NOISE CANCELING HEADPHONE - A noise canceling headphone includes; a microphone that converts an ambient noise into an electrical signal; a canceling signal generating unit that generates a canceling signal by inverting a phase of a noise signal obtained by the conversion in the microphone; and a speaker that mixes and outputs an audio signal and the canceling signal. The noise canceling headphone further includes: a standard signal generating unit that generates a standard signal of a certain level; and a comparing unit that outputs a control signal according to a result of comparing the noise signal with the standard signal. The canceling signal generating unit starts operating with the control signal output from the comparing unit. With the noise canceling headphone, a noise canceling headphone can be obtained in which whether the canceling process is required is controlled according to a level of an ambient noise. | 2010-09-09 |
20100226506 | Headrest sound system - The inventive concept is directed to a stereo sound system consisting of an elongated sound bar which is mounted below a headrest on a wheelchair or below the headrest in a driver's seat in a vehicle. The elongated sound bar has a right and a left speaker mounted therein. The speakers receive their sound effect from either a small radio, a tape player a CD player or a cell phone. A wire connected to the elongated sound bar connects the sound bar to remotely located devices that create the sound effect. By mounting the elongated sound bar below the headrest and thereby close to the seat occupant's ears, the occupant is not deprived of any other sounds that may by important to receive. A conventional headphone covering both ears of the occupant would not be of any help in receiving those sounds. | 2010-09-09 |
20100226507 | Microphone Unit - A microphone unit comprises first and second microphones and a delay element. When sound is input to the first and second microphones, the delay element delays an output signal of the first microphone so as to detect the sound by a difference signal between the output signal of the first microphone and an output signal of the second microphone. The delay element delays the output signal of the first microphone so as to satisfy relation 0.76≦D/Δr≦2.0 where D is amount of delay for the output signal of the first microphone while Δr is distance between the first and second microphones. The relation D/Δr≦2.0 can reduce far-field noise, while the relation 0.76≦D/Δr can increase the detection sensitivity to sound emitted from a null point. | 2010-09-09 |