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51st week of 2011 patent applcation highlights part 31
Patent application numberTitlePublished
20110310990POWER AMPLIFICATION APPARATUS, OFDM MODULATION APPARATUS, WIRELESS TRANSMISSION APPARATUS, AND DISTORTION REDUCTION METHOD FOR POWER AMPLIFICATION APPARATUS - A power amplification apparatus that performs an inverse fast Fourier transformation on data allocated to a plurality of sub-carriers, converts time-domain data output in parallel from the inverse fast Fourier transformation into a time-domain analog signal, performs a power amplification on the time-domain analog signal, wherein a saturation output level of the power amplification is adjustable in accordance with a switching signal. The power amplification apparatus also compares an amplitude of a signal in each time slot of the time-domain analog signal with a predetermined threshold and switches the saturation output level of the power amplification based on an output of the comparing.2011-12-22
20110310991COMMUNICATION MEDIUM DETERMINING APPARATUS AND METHOD OF DETERMINING COMMUNICATION MEDIUM - Provided is a communication medium determining apparatus which easily determines a communication medium in use for communication between two devices on a network, including: a communication performance obtaining unit (2011-12-22
20110310992SYSTEMS, METHODS, AND COMPUTER READABLE MEDIA FOR FRACTIONAL PRE-EMPHASIS OF MULTI-MODE INTERCONNECT - Systems, methods, and computer readable media for fractional pre-emphasis of multi-mode interconnect are disclosed. According to one aspect, the subject matter described herein includes a method for fractional pre-emphasis of multi-mode interconnect. Multiple bits of binary data are periodically received. For each period, the multiple bits of binary data are encoded into multiple scalar values, each value representing a level of an analog signal to be output over a multi-mode interconnect system during the current period. Multiple analog signal outputs are generated corresponding to multiple scalar values, each signal output being driven to a level according to its corresponding scalar value. For each representative scalar value, a difference between the scalar value generated during the current period and the scalar value generated during the previous period is determined, and a pre-emphasis signal that is proportional to the difference is generated. Pre-emphasize each analog signal output according to the respective pre-emphasis signal, where the analog signal is pre-emphasized for a fraction of a period that is less than the entire period.2011-12-22
20110310993PREAMBLE METHODS AND TECHNIQUES - A method and system for a method of transmitting data within a signal frame. The method comprises inserting a first synchronization preamble into a first location within the signal frame and inserting a second synchronization preamble into a second location within the signal frame, wherein the first synchronization preamble conveys information indicative of the second location. The method further comprises issuing the signal frame towards a receiving device in a wireless communication environment.2011-12-22
20110310994DATA TRANSMISSION METHOD AND APPARATUS IN MULTIPLE ANTENNA SYSTEM - A data transmission method in a multiple antenna system is provided. The method includes: defining a codebook including at least one precoding matrix composed of a plurality of rows and columns, wherein the codebook is at least one of a first type in which all elements of the precoding matrix are non-zero elements, a second type in which any one column of the precoding matrix includes non-zero element and the remaining columns include at least one zero element, and a third type in which all columns of the precoding matrix include at least one zero element; precoding an input symbol by using the defined codebook; and transmitting the precoded symbol.2011-12-22
20110310995Transcoding multiple media elements for independent wireless delivery - Transcoding multiple media elements for independent wireless delivery. Respective media or multimedia elements are selectively and respectively encoded and/or transcoded. Such respective and selective processing of different media elements provides for their unbundled and independent communication to one or more other devices. In one instance, different respective overlays of a display (e.g., a computer, TV, PDA display, etc.) are respectively and selectively transcoded and/or encoded to generate different respective streams that may each be handled differently as a function of any number of parameters (e.g., media element type, content, communication channel characteristic, source proximity, priority, etc.). Different types of media elements include photo/image, video, graphics, text, audio, picture-in-picture, two-dimensional (2D), three-dimensional (3D), and/or other types of media elements as may be included within a given configuration of a display. Each respective encoding and/or transcoding may be particularly optimized or tailored for a given media element type.2011-12-22
20110310996Spatio-Temporal Processing for Communication - A space-time signal processing system with advantageously reduced complexity. The system may take advantage of multiple transmitter antenna elements and/or multiple receiver antenna elements, or multiple polarizations of a single transmitter antenna element and/or single receiver antenna element. The system is not restricted to wireless contexts and may exploit any channel having multiple inputs or multiple outputs and certain other characteristics. Multi-path effects in a transmission medium cause a multiplicative increase in capacity.2011-12-22
20110310997METHOD OF DISCONTINUOUS RECEIVING STATUS THAT THE USER EQUIPMENT ENTERED - A method for user equipment entering discontinuous reception status, wherein the process of the user equipment side includes: the user equipment starts a timer for entering the discontinuous reception status when the user equipment receives downlink data or uplink grant; the user equipment enters the discontinuous reception status when the timer expires; wherein before the timer expires, if the user equipment receives new downlink data or uplink grant, the user equipment restarts the timer. Further, the process of the base station side includes: the base station starts the timer for the user equipment entering the discontinuous reception status when the base station has sent the downlink data or uplink grant to the user equipment; the base station determines that the user equipment enters the discontinuous reception status when the timer expires; wherein before the timer expires, if the base station transmits again the downlink data or uplink grant to the user equipment, then the base station restarts the timer.2011-12-22
20110310998SYSTEMS AND METHODS FOR PERFORMING PARALLEL DIGITAL PHASE-LOCKED-LOOP - A parallel phase locked loop (PLL) system includes a first chain of a plurality of pre-locking PLLs that operates from a free-run state to a locked state; and a second chain of a plurality of PLLs to work from the locked-state to recover signal output.2011-12-22
20110310999Dynamic Optimization of Overlap-and-Add Length - A method of performing overlap-and-add length for zero-padded suffixes. The method includes derotating received information symbol samples. The derotated received information symbol samples include a first set of derotated received information symbol samples and a second set of derotated received information symbol samples. The first set of derotated received information symbol samples are stored in a buffer. The second set of derotated received information symbol samples are provided to a received sample processing unit. The received zero-padded suffix samples are deroted. Based upon an overlap-and-add length, at least a fraction of the derotated received zero-padded suffix samples is added with at least a fraction of the first set of derotated received information symbol samples to produce multiple summed samples. The multiple summed samples is provided to the received sample processing unit.2011-12-22
20110311000COMMUNICATION DEVICE AND CONTROL METHOD THEREOF - A communication device including a receiving unit and a signal processing module having a simulation unit and a decision unit is provided. The receiving unit receives a first burst of a paging message provided from a base station. Base on a reference burst code and an estimated channel impulse response of the communication channel, the simulation unit generates a simulation burst. The decision unit then determines if the paging message is a dummy message in accordance with the first burst and the simulation burst. The decision unit requests the receiving unit to stop receiving the paging message once the paging message is determined to be a dummy message.2011-12-22
20110311001SYSTEM FOR RECEIVING DIGITAL AUDIO DATA - A system for receiving digital audio data may include a diversity-receiving unit. The diversity-receiving unit may include at least two antennas and at least one receiving channel, which can be switched from one antenna to another antenna. To reduce audible disturbances in the receiving channel, a dropout concealment may be carried out when disturbances in the received audio signal occur. The dropout concealment may use intact audio signal parts before the disturbance and/or after the disturbance to synthesize the concealment signal. The receiving channel may be switched to another antenna as a function of whether the dropout concealment is activated.2011-12-22
20110311002Turbo-Equalization Methods For Iterative Decoders - Certain embodiments of the present invention are improved turbo-equalization methods for decoding encoded codewords. In one embodiment, in global decoding iteration i, the magnitude values of all decoder-input LLR values (L2011-12-22
20110311003SOURCE-CHANNEL APPROACH TO CHANNEL CODING WITH SIDE INFORMATION - Code designs for channel coding with side information (CCSI) based on combined source-channel coding are disclosed. These code designs combine trellis-coded quantization (TCQ) with irregular repeat accumulate (IRA) codes. The EXIT chart technique is used for IRA channel code design (and especially for capacity-approaching IRA channel code design). We emphasize the role of strong source coding and endeavor to achieve as much granular gain as possible by using TCQ. These code designs synergistically combine TCQ with IRA codes. By bringing together TCQ and EXIT chart-based IRA code designs, we are able to approach the theoretical limit of dirty-paper coding.2011-12-22
20110311004FREQUENCY CORRECTION CIRCUIT, FREQUENCY CORRECTION METHOD AND WIRELESS COMMUNICATION EQUIPMENT USING THEM - There is obtained a frequency correction circuit capable of correcting the frequency errors of received signals with high accuracy and preventing the degradation of demodulated signals, while further suppressing an increase in the circuit scale.2011-12-22
20110311005Correction Of Frequency Offsets Greater Than The Nyquist Frequency - There is disclosed a method of estimating frequency offset of a received signal in a terminal apparatus operating in a wireless communication system. The method comprises a) determining a phase change between a first and a second reference symbol of the received signal, wherein the time distance t between the first and the second reference symbols is associated with an observation frequency f such that f=1/t; b) determining a preliminary frequency offset Δf based on the determined phase change, wherein the preliminary frequency offset Δf form a frequency offset hypothesis Δf2011-12-22
20110311006AUTOMATIC GAIN CONTROL METHOD AND APPARATUS FOR WIRELESS COMMUNICATION SYSTEMS - A system and method are provided for automatic gain control (AGC) using an adaptive reference and a threshold. An adaptive reference allows for adjusting the target power based on variations in operating parameters and conditions, such as a change to a modulation schemes which requires a different signal to noise ratio (SNR) to maintain performance. A gain adjustment threshold allows for rapid AGC response while reducing the potential effects of hysterisis. AGC levels may be changed during symbol prefixes or suffixes, and avoided during a data portion of a signal. Embodiments allow for symbol-by symbol AGC changes in OFDM, OFDMA, and TDD systems.2011-12-22
20110311007 Method and an Apparatus for Forming Signal Estimates - The invention relates to a method and a device for extracting the signal components and/or the interference components. In the invention a channel measurement signal is received, the signal is filtered, the filtered signal is reconstructed, the reconstructed signal is subtracted from the channel measurement signal for obtaining a residual signal (r-s); and the residual signal is fed back to be combined with the channel measurement signal.2011-12-22
20110311008APPARATUS AND METHOD THEREOF FOR CLOCK AND DATA RECOVERY OF N-PAM ENCODED SIGNALS USING A CONVENTIONAL 2-PAM CDR CIRCUIT - An interface circuit for enabling clock and data recovery (CDR) of N-level pulse amplitude modulation (N-PAM) modulated data streams using a 2-PAM CDR circuit. The circuit comprises a number of N−1 comparators for comparing an input data stream to N−1 configurable thresholds, the input data stream is N-PAM modulated and the N−1 configurable thresholds are N−1 different voltage levels; a number of N−1 of edge detectors respectively connected to the N−1 comparators for detecting transitions from one logic value to another logic value, N is a discrete number greater than two; and a determination unit for determining if the detected transitions is any one of a major transition and a minor transition and asserting a transition signal if only a major transition or a minor transition has occurred, the transition signal is fed into a 2-PAM CDR circuit and utilized for recovering a clock signal of the input data stream.2011-12-22
20110311009PATTERN AGNOSTIC ON-DIE SCOPE - An on-die scope is described. The on-die scope can include one or more scope slicers, phase sweeping circuitry, voltage sweeping circuitry, and eye-diagram data collection circuitry. The clock and data recovery circuitry can receive an input signal, and output a recovered clock signal and a recovered bit-stream. The phase sweeping circuitry can receive the recovered clock signal, and output the scope clock signal by adding a phase offset to the recovered clock signal. A scope slicer can receive the voltage threshold, the scope clock signal, and the input signal, and output a scope bit-stream. The eye-diagram data collection circuitry can detect one or more bit-patterns in the recovered bit-stream, and modify values of one or more scope counters based solely or partly on the scope bit-stream and the recovered bit-stream.2011-12-22
20110311010DEVICE AND METHOD FOR NRZ CDR CALIBRATION - The disclosure is a device and a method for Non Return to Zero (NRZ) Clock Data Recovery (CDR) calibration, which includes a CDR unit and a weight calculator unit. The CDR unit receives a compensative signal of an equalization filter to generate an error signal, a sampling clock signal, a transition sampling signal and a data signal. The weight calculator unit receives the error signal, the transition sampling signal and the data signal, and then uses a run length technique to generate weight data. The weight data controls a voltage control oscillator (VCO) which calibrates the phase and the frequency of the sampling clock signal.2011-12-22
20110311011Method and Apparatus for Emulating Stream Clock Signal in Asynchronous Data Transmission - A method and apparatus for emulating stream clock signal in asynchronous data transmission. The inventive subject matter proposes a system consisting of a transmitter module, a receiver module, and a link or network in between. A scheme to generate the emulated stream clock across a wide frequency range is also proposed with the property of controllable deviation from the original stream frequency to meet jitter requirement and fast frequency convergence (minimal number of converging steps). The scheme includes an optional first step to derive a frequency estimation of the stream clock and a second step of continuous adjusting the emulated clock frequency to keep the average frequency equals that of the original stream clock.2011-12-22
20110311012METHOD AND DATA TRANSCEIVING SYSTEM FOR GENERATING REFERENCE CLOCK SIGNAL - A method and a data transceiving system for generating a reference clock signal are provided. The data transceiving system comprises a voltage controlled oscillator, a phase lock loop (PLL) unit, and a data receiver. The voltage controlled oscillator is used to generate a reference clock signal. The PLL unit is used to increase a clock frequency of the reference clock signal to generate a PLL clock signal. The data receiver is used to compare the PLL clock signal with a clock signal of an input data stream, so as to output a voltage adjusting signal to the voltage controlled oscillator. The voltage controlled oscillator adjusts the clock frequency of the reference clock signal to be generated according to the reference clock signal, so as to lock the clock frequency of the PLL clock signal to a base frequency of the clock signal of the input data stream.2011-12-22
20110311013SYSTEM AND APPARATUS FOR PLANT MONITORING AND CONTROL - A system and apparatus for monitoring and control of the operation of various types of industrial plants, including power plants, nuclear power plants and plants including various types of mechanical, electrical and chemical machinery. The invention employs modular non-microprocessor based, non-software based digital hardware that enables communication between sensors and control logic and between the control logic and actuators that control a functional aspect of each plant.2011-12-22
20110311014SYSTEM AND METHOD FOR CLOSED RELIEF OF A POLYOLEFIN LOOP REACTOR SYSTEM - A reactor system including an enclosed pressure relief system and/or a control system. The enclosed pressure relief system including a slurry separation system communicatively coupled with a pressure relief valve coupled to a loop reactor such that activation of the pressure relief valve results in discharge of a slurry from the loop reactor to the slurry separation system, wherein the slurry separation system is capable of separating solid and liquid components from gas components of the slurry and transmitting the gas components to a flare via a flare header.2011-12-22
20110311015FUEL CHANNEL ANNULUS SPACER - An annulus spacer for a fuel channel assembly of a nuclear reactor. The fuel channel assembly includes a calandria tube and a pressure tube positioned at least partially within the calandria tube. The annulus spacer includes a garter spring configured to surround a portion of the pressure tube to maintain a gap between the calandria tube and the pressure tube. The garter spring includes a first end and a second end. The annulus spacer also includes a connector coupled to the first end and the second end of the garter spring. The connector allows movement of the annulus spacer when the pressure tube moves relative to the calandria tube during thermal cycles of the fuel channel assembly. The annulus spacer further includes a girdle wire positioned substantially within the garter spring and configured to form a loop around the pressure tube.2011-12-22
20110311016 LIGHT-WATER REACTOR FUEL ASSEMBLY (ALTERNATIVES), A LIGHT-WATER REACTOR, AND A FUEL ELEMENT OF FUEL ASSEMBLY - A 17×17 jacketless fuel assembly for a PWR-type light-water reactor uses thorium as the fuel. The fuel assembly has a square shape in the plan view, a seed region, a blanket region that encircles it, an upper nozzle, and a lower nozzle. The fuel elements of the seed region re arranged in the rows and columns of a square coordinate grid and have a four-lobed profile that forms spiral spacer ribs along the length of a fuel element. The blanket region contains a frame structure within which a bundle of fuel elements made from thorium with the addition of enriched uranium is positioned. The blanket region fuel elements are arranged in the two or three rows and columns of a square coordinate grid.2011-12-22
20110311017CLOCK GLITCH DETECTION - A circuit comprises a clock tree for distributing a clock signal. A first counter is arranged at a first point in the clock tree. Upon detecting a triggering edge in the clock signal, the first counter sets a first current count equal to a first delayed count. After a first delay, the first counter sets the first delayed count equal to the first current count plus an increment. A second counter is arranged at a second point in the clock tree. Upon detecting a triggering edge in the clock signal, the second counter sets a second current count equal to a second delayed count. After a second delay, the second counter sets the second delayed count equal to the second current count plus the increment. A comparator compares the first current count and the second current count. The first point and the second point are not the same, or the second delay is longer than the first delay.2011-12-22
20110311018PULSE TYPE LAYER-ID DETECTOR FOR 3D-IC AND METHOD OF THE SAME - A 3D-IC detector for each layer of a stacked device comprises a pulse generator to receive an initial signal and generate a pulse-in signal to a next stage detector. A latch is coupled to the pulse generator to receive an output signal from the pulse generator and generate a layer identifying signal. A counter is coupled to previous stage detector and the initial signal to perform a counting operation; and an adder coupled to the counter to add a number to a counting output from the counter and input added signal to the pulse generator.2011-12-22
20110311019MULTI-SOURCE ENCODED X-RAY IMAGING - A tomographic apparatus (2011-12-22
20110311020Image diagnosis apparatus and method using X-ray - An image diagnosis apparatus and method may emit radiation to a target object, may compress the target object in response to the emitted radiation, and may collect a plurality of images with respect to the compressed target object in response to the emitted radiation. An elastic image with respect to the target object may be generated based on the plurality of collected images.2011-12-22
20110311021MEDICAL IMAGE DISPLAY APPARATUS AND X-RAY COMPUTED TOMOGRAPHY APPARATUS - According to one embodiment, a medical image display apparatus includes a thin-out processing unit configured to execute thin-out processing for a series of original medical images, a display unit configured to display the series of medical images generated by the thin-out processing as a moving image and a control unit. The control unit controls the thin-out processing unit to change thin-out ratios on a time axis in the thin-out processing.2011-12-22
20110311022Counting Detector And Computed Tomography System - A counting detector is disclosed. In at least one embodiment, the counting detector includes sensors for converting radiation quanta into electrical pulses and an evaluation unit with a number of energy thresholds, wherein the evaluation unit generates for each sensor a count value for each energy threshold from the pulses, which count value represents the number of radiation quanta with an energy above the respective energy threshold. In at least one embodiment, one of the energy thresholds is arranged directly above a characteristic energy of radiation quanta causing double counting in order to correct double counting; and a correction unit calculates a corrected count value from the count values of the energy thresholds, which corrected count value has reduced double counting for at least one of the energy thresholds. Images with an improved contrast-to-noise ratio and, at the same time, a reduced X-ray dose can be generated on the basis of the at least one corrected count value. In at least one embodiment, the invention moreover relates to a computed tomography system with such a counting detector.2011-12-22
20110311023X-RAY COMPUTED TOMOGRAPHY APPARATUS - An X-ray CT apparatus includes an X-ray source configured to generate an X-ray; a scintillator configured to convert the X-ray into a fluorescent; a substrate including a plurality of photosensitive elements configured to convert the fluorescent into an electric charge; a temperature sensor formed on the surface of the substrate; a heat element formed on the surface of the substrate; and a controller configured to control a temperature of the photodiode by adjusting an electric current of the heat element.2011-12-22
20110311024INTERFACE DEVICE, IMAGING SYSTEM AND METHOD FOR RIM-IMAGING - The invention relates to imaging systems in which during imaging of an object a matching medium is used to match the object to its surroundings. An interface device is used for phase contrast rim-imaging of the object, which comprises a compartment in which a deformable matching material is contained which can be pushed to the side when the object to be imaged is compressed. Thus, a lateral field of view for X-ray phase contrast mammography may be increased.2011-12-22
20110311025METHOD AND APPARATUS FOR CORRECTING EXCESS SIGNALS IN AN IMAGING SYSTEM - A method and apparatus for excess signal compensation in an imaging system is described. In one particular embodiment, the invention provides for non-linear background, offset (due to time dependent dark current) and/or lag (including constant, linear and non-linear terms, due to image persistence) corrections of large area, flat panel imaging sensors.2011-12-22
20110311026MOBILE RADIOGRAPHY IMAGING APPARATUS USING PRIOR RELATED IMAGES BEFORE CURRENT IMAGE EXPOSURE AND METHODS FOR SAME - A mobile radiography apparatus has a moveable (e.g., wheeled) transport frame and an adjustable column mounted at the frame. A boom apparatus supported by the adjustable column can support an x-ray source. A display at the mobile radiography apparatus is configured to provide an examination procedure for a patient, the examination procedure to include a visual indication that at least one related prior image exists for the examination procedure.2011-12-22
20110311027OUTPUT CURRENT SENSING METHOD IN DISCONTINUOUS DC-TO-DC VOLTAGE CONVERTER - The present invention refers to high-voltage generators, in particular to a step-down DC-to-DC converter circuit (buck converter) for supplying a DC output voltage out which may e.g. be used in a voltage supplying circuitry of an X-ray radiographic imaging system. According to the invention, the peak value of the buck converter's storage inductor current L is controlled by a control circuit μC′ which regulates the on-time Δt2011-12-22
20110311028X-RAY TUBE ROTATING ANODE - An x-ray tube rotating anode. In one example embodiment, an x-ray tube rotating anode includes a hub configured to attach to a bearing assembly, rings positioned radially outward from the hub, bridges connecting the rings together, annular ring fins each attached to one of the rings, a focal track positioned radially outward from the annular ring fins, and annular focal track fins attached to the focal track.2011-12-22
20110311029Radiation Window, And A Method For Its Manufacturing - A radiation window membrane and for covering an opening in an X-ray device is presented, as well a method for its manufacturing. Said openings are such through which X-rays are to pass. The membrane comprises a window base layer and a pinhole-blocking layer on a surface of said window base layer. Said pinhole-blocking layer comprises graphene.2011-12-22
20110311030C-Arm Rotation Encoding Methods and Apparatus - This invention provides a method for estimating C-ARM fluoroscope rotation pose, and related programmed media and kits. In one embodiment the method includes measuring an angle of the C-arm using an accelerometer affixed to the C-arm, wherein the accelerometer is not moving during the measurement. The method includes generating angle correction equations based on differences between C-arm poses and corresponding accelerometer angles, and optionally generating structural compensation equations to compensate for structural flexion or deformation of the C-arm.2011-12-22
20110311031X-RAY FLUOROSCOPIC APPARATUS - The X-ray fluoroscopic apparatus of this invention includes a slide arm for supporting an X-ray tube, a middle slider for holding the support arm to be movable in directions along an irradiation axis of the X-ray source, and a strut for holding the middle slider to be movable the directions along the irradiation axis. Thus, compared with an amount of stroke of the X-ray tube, an amount of movement of each of the middle slider and the support arm can be small, and each of the strut, middle slider and support arm can be shortened to reduce apparatus height. Therefore, the amount of stroke of the X-ray source can be secured appropriately, while inhibiting an increase in installation space.2011-12-22
20110311032ADJUSTABLE DYNAMIC X-RAY FILTER - A system and method for determining the location of an x-ray source of an x-ray machine and adjusting grid lines in an anti-scatter grid are disclosed. An ideal beam path is obtained and is used to adjust grid lines in the anti-scatter grid. In one embodiment, the invention uses a source locator to locate the x-ray source, communicate this location to the said adjustable anti-scatter grid which could align the grid lines mechanically, by means of servos attached to the grid lines, to the ideal x-ray beam path. In other embodiment electrical currents are used to align grid lines with the beam source. By aligning the grid lines with the beam path, images with increased contrast and reduced noise can be produced.2011-12-22
20110311033INFORMATION DEVICE - A device for obtaining, storing and displaying information from a remote server, the device has a modem for establishing communication sessions with the remote server. A memory coupled to the modem stores the obtained information, and a display is coupled to the memory for displaying the stored information. The device automatically and periodically communicates with the remote server for obtaining the information.2011-12-22
20110311034Billing For Call Complete Calls - A method and system for billing a calling party for an unanswered call attempt is provided. A first network component receives a call attempt from the calling party and routes the call attempt to a second network component for establishing a communications link between the calling party and a called party. The second network component redirects the call attempt unanswered by the called party to the voice server. A billing management application, provided for managing the billing of the calling party, detects the redirection of the call attempt and indicates to the first network component to disable billing the calling party for the unanswered call attempt. The billing management application, in communication with the voice server, initiates billing of the calling party based on billing criteria, via the second network component instead of the first network component, for utilizing one or more services provided by the voice server.2011-12-22
20110311035SYSTEM OF SUBSIDIZED PHONE CALLS - System of subsidized phone calls, is essentially a system (S) made possible by means of telecommunication networks in general to be used with great efficiency, using the existent technical resources that, organized of new way, allows the execution of calls with part or all of the chargeable time subsidized by a sponsor through the sending of advertising and/or institutional messages to the calling subscriber.2011-12-22
20110311036Call Routing in Telephone Switch Based on Duplicate Leg Detection - The disclosed technology described herein provides devices and methods for disconnecting only the duplicate legs of a call which may have been twice or more received on a telecommunications switch for the same phone call. In embodiments of the disclosed technology, the duplicate legs indicate a twice (or more) rejected call from a called party indicating that the call should not be returned to the called party, where the called party is defined as the intended recipient of the phone call. A remaining leg or legs are kept open upon duplicate leg detection on a switch, and the call is then handled with a premium feature, such as forwarding to voicemail.2011-12-22
20110311037Methods, Systems, and Products for Providing Ring Backs - Methods, systems, and products are disclosed for providing a ring back to a calling party's communications device. A first call is placed to a called number. An identification sequence is received during the first call. When the first call ends, a second call is placed to a server. The identification sequence is sent to the server during the second call, and the ring back associated with the identification sequence is received. The ring back is stored in memory of the calling party's communications device and retrieved when subsequent calls are made to the called number. The ring back is then presented on the calling party's communications device to indicate the called number is ringing.2011-12-22
20110311038SEMI-SUPERVISED TRAINING OF DESTINATION MAP FOR CALL HANDLING APPLICATIONS - A method of semi-supervised synonym inference for a call handling application, such as automated directory assistance or call routing, is described. In one embodiment the method comprises examining a database of caller interaction results from a directory assistance system that includes an automated directory assistance engine, detecting a specified characteristic in the caller interaction results, and using the detected characteristic to automatically train a destination map, where the destination map is for use by the automated directory assistance engine in automatically mapping human speech to a destination. The detecting of the specified characteristic in the caller interaction results may include a statistical analysis of the caller interaction results for each of one or more speech recognition strings.2011-12-22
20110311039METHOD, SYSTEM AND DEVICE FOR CALL PROCESSING - A method, a system and a device for call processing are disclosed in the embodiments of the present invention. The method includes: obtaining, by a call initiator, address information of all or part of call managers in a network domain that processes a call, where the all or part of the call managers include a call manager that processes the call and is adjacent to the call initiator; sending, by the call initiator, a first call creating request message to an adjacent call manager according to the address information of the all or part of the call managers; and receiving, by the call initiator, a first call creating response message from the adjacent call manager. In the case that a service at a client side is required to be sent through multiple networks at a server side, inter-domain link selection and admission control may be implemented through section call processing.2011-12-22
20110311040Voice Transmitter-Receiver - An improved voice transmitter-receiver, a plug of which has a clamping portion at a front end thereof, and a connecting socket is located on an electronic device. A mounting hole is located at an outer side of the connecting socket, thereby enabling the voice transmitter-receiver to use the plug to plug into the connecting socket of the electronic device and clamp into the mounting hole of the connecting socket by means of the clamping portion on the plug, thus connecting and fixedly locking the voice transmitter-receiver to the electronic device to prevent the plug of the voice transmitter-receiver from being inadvertently pulled out or coming away from the connecting socket of the electronic device.2011-12-22
20110311041CRYTOGRAPHICALLY TRANSFORMING DATA TEXT - In the field of cryptography there is a need to reduce the time taken to cryptographically transform data text while maintaining the low memory requirements associated with conventional square-and-multiply modular exponentiation.2011-12-22
20110311042ENCRYPTION METHOD - There is described a method of encrypting a set of 2D input data, preferably image data. The method comprises obtaining the hash value of a password and re-sizing the hash value to fir the size of the 2D input data. The re-sized data is transformed using an irreversible transform, and the output of the transform is then used to encode the 2D data.2011-12-22
20110311043Method of Processing Data Streams Received by a Wireless Communication Apparatus and at Least Partly Requiring Cryptographic Processing Operations and Corresponding Apparatus - Wireless communication apparatus (WAP) which comprises means of receiving data streams (2011-12-22
20110311044PROVIDING CONTROL WORDS TO A RECEIVER - A method and a system for providing control words to at least one a receiver are described wherein said receiver is associated with a secure module. The method comprises the steps of receiving at least part of a code book comprising code information for descrambling one or more service streams in a scrambled data stream sent to said receiver; providing a control word request associated with at least one crypto period in at least one of said service streams; and, in response to said control word request, generating on the basis of said code information at least one control word for descrambling data in said service stream and associated with said crypto period.2011-12-22
20110311045Partial Multiple Encryption - A partial multiple encryption device consistent with certain embodiments has an input adapted to receive a unencrypted video signal. An encryption arrangement produces a partially multiple encrypted video signal from the unencrypted video signal. An output is adapted to provide the partially multiple encrypted video signal. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.2011-12-22
20110311046Image Forming System, Image Forming Apparatus, and Method in which an Application is Added - An image forming system includes a first computer, a second computer, and an image forming apparatus. The first computer is configured to provide an application file to a first special hash function and generate a first special hash value corresponding to an input first parameter value. The second computer is configured to generate an installation package file including the application file and the first special hash value. The image forming apparatus is configured to provide the application file to a second special hash function that is the same as the first special hash function, generate a second special hash value corresponding to a second parameter value that is stored in the image forming apparatus and that is the same as the first parameter value, and perform a specified process to the application file if the first special hash value matches the second special hash value.2011-12-22
20110311047METHOD OF MAKING SECURE A LINK BETWEEN A DATA TERMINAL AND A DATA PROCESSING LOCAL AREA NETWORK, AND A DATA TERMINAL FOR IMPLEMENTING THE METHOD - This method makes secure a link, for example a radio link, between a data terminal (PDA2011-12-22
20110311048CRYPTOGRAPHIC OPERATION APPARATUS, STORAGE APPARATUS, AND CRYPTOGRAPHIC OPERATION METHOD - According to one embodiment, the cryptographic operation apparatus performs a cryptographic operation using first and second key data and includes an initial mask value creating unit that creates the initial mask value using the second key data and data information. In addition, the cryptographic operation apparatus further includes a mask value updating unit that creates the mask value using the initial mask value and a mask value storing unit that stores and outputs the initial mask value and the created mask value. In addition, the encryption is performed using the input data, the first key data, and the output mask value.2011-12-22
20110311049Information Theoretic Security Mechanisms Using a Time-Varying Key - In one exemplary embodiment, a method includes: storing a key on a storage medium of a first apparatus, where a value of the key varies over time, where the key is configured to enable decryption of encrypted information; and sending a plurality of communications from the first apparatus to a second apparatus, where each communication comprises at least one portion of the key, where no single communication comprises an entirety of the key. In further exemplary embodiments, the encrypted information is encrypted in accordance with a threshold-based encryption scheme having a threshold such that the encrypted information is configured to be decrypted only if a decryptor is in possession of sufficient accurate portions of the key as compared to the threshold.2011-12-22
20110311050CRYPTOGRAPHIC COMMUNICATION SYSTEM - Communications having high security against information leakage can be established in a current optical fiber network in the following manner. (1) A sender and a receiver share a seed key in advance, and then transmit and receive random numbers superimposed on carrier light accompanied with fluctuations, where transmission basis is determined by a random number. The sender and the receiver check a shared basis determined by the seed key with a random basis and employ only a random number signal superimposed on a slot for the shared basis that coincides with the random basis, and share the random numbers between the sender and the receiver. Here, since the carrier light has fluctuations, a bit error exists in the received signals. However, because of the seed key, a legitimate receiver can receive a signal with a bit error rate smaller than an eavesdropper. (2) The information amount of the random numbers shared between the sender and the receiver is reduced to secret capacity through privacy amplification, and then the reduced random numbers are set to be a secret key. (3) An actual signal is encrypted with the obtained secret key, and is transmitted and received.2011-12-22
20110311051UTILIZING A DETERMINISTIC ALL OR NOTHING TRANSFORMATION IN A DISPERSED STORAGE NETWORK - A method begins by a processing module generating a deterministic key from data and encrypting the data using the deterministic key to produce encrypted data. The method continues with the processing module generating transformed data from the encrypted data and generating a masked key from the deterministic key and the transformed data. The method continues with the processing module combining the masked key and the encrypted data to produce a secure package.2011-12-22
20110311052Wireless Device Enabled Locking System - An encrypted security system and associated methods for controlling physical access. The system includes a security server configured to receive a request for authentication from a mobile device, the request comprising information identifying the mobile device and a physical access control device. The security server forwards an encryption message comprising a plurality of unique identifiers to the physical access control device via the mobile device. The physical access control device is configured to authenticate the plurality of unique identifiers in the encryption message and operate an access control mechanism.2011-12-22
20110311053Apparatus and method for transitioning enhanced security context from a UTRAN/GERAN-based serving network to an E-UTRAN-based serving network - Disclosed is a method for transitioning an enhanced security context from a UTRAN/GERAN-based serving network to an E-UTRAN-based serving network. In the method, the remote station the remote station generates first and second session keys, in accordance with the enhanced security context, using a first enhanced security context root key associated with a UTRAN/GERAN-based serving network and a first information element. The remote station receives a first message from the E-UTRAN-based serving network. The first message signals to the remote station to generate a second enhanced security context root key for use with the E-UTRAN-based serving network. The remote station generates, in response to the first message, the second enhanced security context root key from the first enhanced security context root key using the s first and second session keys as inputs. The remote station protects wireless communications, on the E-UTRAN-based serving network, based on the second enhanced security context root key.2011-12-22
20110311054Asymmetrical Chaotic Encryption - Implementations and techniques for asymmetrical chaotic encryption are generally disclosed. One disclosed method for asymmetrical encryption includes determining a ciphertext control block from data, where the ciphertext control block is based at least in part on one or more Chebyshev polynomials. The method also includes encrypting at least a portion of the data into an encrypted ciphertext block, where the encrypted ciphertext block is based at least in part on Logistic Mapping, and in which a final ciphertext includes the encrypted ciphertext block and the ciphertext control block2011-12-22
20110311055METHODS, DEVICES, AND MEDIA FOR SECURE KEY MANAGEMENT IN A NON-SECURED, DISTRIBUTED, VIRTUALIZED ENVIRONMENT WITH APPLICATIONS TO CLOUD-COMPUTING SECURITY AND MANAGEMENT - The present invention discloses methods, devices, and media for secure key management in a non-secured, distributed, virtualized environment with applications to cloud-computing security and management. Methods include the steps of: receiving an encryption request for protecting an original key at a first encryption location in a network computing-environment; initially encrypting the original key with a first location-specific secure-key, located at a second encryption location, to create a location-specific initially-encrypted key; and finally encrypting the location-specific initially-encrypted key with a second location-specific secure-key, located at a third encryption location, to create a finally-encrypted key which may then be used in any way in a cipher-location; wherein the locations are regions of memory located in computing devices operationally connected to the network computing-environment; and wherein each of the location-specific secure-keys is protected from compromise by any owner of other location-specific secure keys using an appropriate technique in the respective locations.2011-12-22
20110311056FORENSIC MARKING USING A COMMON CUSTOMIZATION FUNCTION - Methods, systems, and apparatus are disclosed which enable flexible insertion of forensic watermarks into a digital content signal using a common customization function. The common customization function flexibly employs a range of different marking techniques that are applicable to a wide range of forensic marking schemes. These customization functions are also applicable to pre-processing and post-processing operations that may be necessary for enhancing the security and transparency of the embedded marks, as well as improving the computational efficiency of the marking process. The common customization function supports a well-defined set of operations specific to the task of forensic mark customization that can be carried out with a modest and preferably bounded effort on a wide range of devices. This is accomplished through the use of a generic transformation technique for use as a “customization” step for producing versions of content forensically marked with any of a multiplicity of mark messages.2011-12-22
20110311057AUDIO STREAM TRANSMISSION APPARATUS, AUDIO STREAM RECEPTION APPARATUS, AND TRANSMITTING AND RECEIVING METHOD THEREOF - A single audio service includes a plurality of audio sources, which may be classified by type. The classified audio sources having a same type may be multiplexed together to form audio streams, which may be amplified to obtain a desired audio environment.2011-12-22
20110311058BROADCASTING RECEIVER AND BROADCAST SIGNAL PROCESSING METHOD - A digital broadcasting system which is robust against an error when mobile service data is transmitted and a method of processing data are disclosed. The mobile service data is subjected to an additional coding process and the coded mobile service data is transmitted. Accordingly, it is possible to cope with a serious channel variation while applying robustness to the mobile service data.2011-12-22
20110311059METHOD OF NAVIGATING IN A SOUND CONTENT - A method of navigating in a sound content wherein at least one key word is stored in association with at least two positions representative of said key word in the sound content, and wherein the method comprises: a step of displaying a representation of the sound content; during playback of the sound content, a step of detecting a current extract representative of a key word stored at a first position; a step of determining at least one second extract representative of said key word and a second position as a function of the stored positions; and a step of highlighting the position of the extracts in the representation of the sound content.2011-12-22
20110311060METHOD AND SYSTEM FOR SEPARATING UNIFIED SOUND SOURCE - Disclosed are a method and a system of separating and extracting unified major sound sources from a mixed musical signal. A unified sound source separation system includes a first sound source separation unit to separate a first sound source having unique time-domain and frequency-domain characteristics from a mixed musical signal which includes a plurality of sound sources using time-domain and frequency-domain characteristics, and a second sound source separation unit to separate a second sound source existing in a predetermined stereo sound image position from the mixed musical signal using stereo channel information.2011-12-22
20110311061CHANNEL SIGNAL GENERATION DEVICE, ACOUSTIC SIGNAL ENCODING DEVICE, ACOUSTIC SIGNAL DECODING DEVICE, ACOUSTIC SIGNAL ENCODING METHOD, AND ACOUSTIC SIGNAL DECODING METHOD - Provided is a channel signal generation device capable of avoiding a decrease in the prediction performance for predicting an L channel signal and an R channel signal from a monaural signal and achieving encoding with high sound quality. In the device, a monaural MDCT coefficient corrector (2011-12-22
20110311062Loudness Modification of Multichannel Audio Signals - Scaling, by a desired amount s2011-12-22
20110311063EMBEDDING AND EXTRACTING ANCILLARY DATA - The invention proposes a method for embedding an ancillary data into a compressed audio signal. This is achieved by replacing Least Significant Bits (LSBs) in at least one frequency subband of the compressed audio signal by the ancillary data. When replacing LSB bits of compressed subband signals with the ancillary data, the subband signal is effectively modified, resulting in a different decoded output. The replaced LSB bits corresponding to the ancillary data are conveyed as part of the bitstream and can be easily extracted at the decoder. In such a way the decoder obtains the ancillary data that can be used for more advanced audio reproduction at the decoder. The compressed audio itself maintains a good audio quality despite the replacement of the LSB bits of the frequency subband, because the LSB bits do not contribute to the audible artefacts.2011-12-22
20110311064SYSTEM AND METHOD FOR STEREOPHONIC ACOUSTIC ECHO CANCELLATION - Disclosed herein are systems, methods, and non-transitory computer-readable storage media for stereophonic acoustic echo cancellation. The method includes collecting, at a same time, a first audio sample of an audio source from a first omnidirectional microphone and a second audio sample of the audio source from a second omnidirectional microphone. The method includes delaying the second audio sample by a first amount of time to yield a delayed second audio sample and combining the delayed second audio sample with the first audio sample to produce a first channel, then delaying the first audio sample by a second amount of time to yield a delayed first audio sample and combining the delayed first audio sample with the second audio sample to produce a second channel. Then the method includes outputting the first channel and the second channel as a stereo audio signal of the audio source.2011-12-22
20110311065EXTRACTION OF CHANNELS FROM MULTICHANNEL SIGNALS UTILIZING STIMULUS - An approach and device for optimizing a sound system by extracting a two-channel stereo source out of a set of multiple channels with unknown frequency responses, crosstalk, time delays and sample rate by employing a digital test sequence that utilizes maximum-length-sequences (MLS) that is fed into the sound system and results in a reconstructed stereo source that may be further used as an input to a signal processor that performs improved speaker and room equalization.2011-12-22
20110311066Echo Cancellers and Echo Cancelling Methods - Methods and systems for updating the adaptive filter of an echo canceller. A method of updating the adaptive filter of an echo canceller in which an estimated echo is resolved from a received signal and then subtracted from an incoming echo-contaminated signal so as to produce a filtered output signal, includes: obtaining a corrected impulse response of an echo reconstruction filter (ERF); calculating specified decision measures usable to decide whether to prospectively apply the corrected ERF impulse response or a current ERF impulse response; determining whether application of the corrected ERF impulse response would result in improved echo cancellation; and updating the ERF to apply the corrected impulse response, when it is determined that the updating would result in a lower residual echo.2011-12-22
20110311067DIGITAL SOUND LEVELING DEVICE AND METHOD TO REDUCE THE RISK OF NOISE INDUCED HEARING LOSS - Devices and methods for digital sound leveling are disclosed. The subject devices and methods can be used to reduce the risk of noise induced hearing loss. According to an embodiment, an audio file can be parsed into frames that are filtered using an A-weighted digital filter and scaled to a desired power level. Accordingly, the dynamic range of an audio output at a particular volume level can be controlled.2011-12-22
20110311068System for Suppressing Passing Tire Hiss - A voice enhancement logic improves the perceptual quality of a processed voice. The voice enhancement system includes a passing tire hiss noise detector and a passing tire hiss noise attenuator. The passing tire hiss noise detector detects a passing tire hiss noise by modeling the passing tire hiss. The passing tire hiss noise attenuator dampens the passing tire hiss noise to improve the intelligibility of a speech signal.2011-12-22
20110311069RECEIVER ASSEMBLY FOR AN INFLATABLE EAR DEVICE - A diaphonic valve utilizing the principle of the Synthetic Jet is disclosed herein. A diaphonic valve pump is provided for the inflation of an in-ear balloon. More complex embodiments of the present invention include stacks of multiple synthetic jets generating orifices as well as an oscillating, thin polymer membrane. In one or more embodiments of the present invention, a novel application is provided for the creation of static pressure to inflate or to deflate an inflatable member (balloon). In addition, sound can be utilized to inflate or deflate an inflatable member in a person's ear for the purpose of listening to sound.2011-12-22
20110311070EARPIECE - There is provided an earpiece having a first side towards the ear, an acoustic transducer for outputting a sound signal and a sound guide element having a first end and a second end. In that case the first end faces the acoustic transducer and the second end faces the first end of the (ear canal) earpiece. The sound guide element serves for guiding the sound signal to an ear canal of a user. The sound guide element has a first opening at its second end. The (ear canal) earpiece also has at least one volume element which delimits a volume and which has at least one second opening for connecting the volume to the first end of the ear canal earpiece.2011-12-22
20110311071Electronic Interfacing with a Head-Mounted Device - Power is delivered from a power source in a head-mounted device to a separate accessory that is coupled to the head-mounted device. Power and signals are delivered on a common conductor that couples the head-mounted device to an accessory. One or both of the head-mounted device and the accessory are configured based on the signals. Power may be received at an accessory from the head-mounted device through a dedicated power conductor. Power may be delivered from a power source in a portable accessory to a head-mounted device that is coupled to the portable accessory and uses the power for circuitry in the head-mounted device that delivers audio to a user.2011-12-22
20110311072High Definition Distributed Sound System - A high definition distributed sound system has a master control hub with multiple serially linkable zones each capable of handling multiple serial arrays of powered speakers and a Cat5 cable. Each zone has an audio input, an internal master level controller and multiple powered-speaker outputs. Each of the serial arrays of powered speakers are connected to a corresponding powered-speaker output by the Cat5 cable. All of the zones can be used and controlled independently of the others or any number of them can be serially linked and controlled by their preceding zones. Additional master control hubs can be serially linked in a single system. The system interconnections can be done with Cat5 cable using RJ45 connectors. A low idle current power amplifier circuit offers extremely low levels of quiescent current, allowing a large number of speakers to be connected in one system.2011-12-22
20110311073Communication System, Apparatus and Method - A system and method for generating, transmitting and distributing audio signals. The system and method may include an array having a plurality of microphones and a plurality of speakers as well as a first processor disposed proximate the array. The system and method can also have a second processor disposed remotely from the array and communicatively coupled with the array, at least one remotely located device having at least one microphone and at least one speaker and one or more remotely located speakers. Also, there may be an audio signal that is generated by one of a microphone on the array and a microphone on the at least one remotely located device, the location of the generation of the audio signal determined by one of the first processor and the second processor, generated audio signal transmitted to at least one of the speakers on the array, the at least one speaker on the remotely located device and the one or more remotely located speakers.2011-12-22
20110311074CAR AUDIO - Provided is a car audio, in which a holding unit where a portable media device is held is inserted in an insertion space formed through the font of a car audio body and the holding unit is drawn out by opening and closing the insertion space with a front panel unit. Therefore, it is possible to hold and use a portable media device in a vehicle and the holding unit is stored in the insertion space when the portable media device is not used.2011-12-22
20110311075SPECTRAL BAND SUBSTITUTION TO AVOID HOWLS AND SUB-OSCILLATION - A listening device for processing an input sound to an output sound, includes an input transducer for converting an input sound to an electric input signal, an output transducer for converting a processed electric output signal to an output sound, a forward path being defined between the input transducer and the output transducer and including a signal processing unit for processing an input signal in a number of frequency bands and an SBS unit for performing spectral band substitution from one frequency band to another and providing an SBS-processed output signal, and an LG-estimator unit for estimating loop gain in each frequency band thereby identifying plus-bands having an estimated loop gain according to a plus-criterion and minus-bands having an estimated loop gain according to a minus-criterion. Based on an input from the LG-estimator unit, the SBS unit is adapted for substituting spectral content in a receiver band of the input signal with spectral content from a donor band in such a way that spectral content of the donor band is copied and possibly scaled with a scaling function and inserted in the receiver band instead of its original spectral content, wherein the receiver band is a plus-band and the donor band is a minus-band.2011-12-22
20110311076Method for adjusting the maximum output power of a valve power amplifier stage for an audio amplifier, and corresponding valve power amplifier stage - A valve power amplifier stage for an audio amplifier, which amplifier stage has at least one thermionic valve and a polarization circuit for polarizing the anode, the cathode and the control grid of the thermionic valve so as to determine the maximum output power. The polarization circuit comprises an adjusting module for adjusting the feed voltage of the anode and the polarization voltage of the control grid so as to adjust the maximum output power of the thermionic valve, and a potentiometer coupled with the adjusting module for allowing a user to control the adjusting means so as to select the desired maximum output power from a plurality of predetermined output power values.2011-12-22
20110311077Personalizable Alarm Siren - This device enables the user to personalize the sound that comes out of his/her siren, since this invention is an improvement over conventional sirens in that it has a 3.5 mm female jack for an audio input, a male connector for a pushbutton, a female connector joined to the pushbutton and said pushbutton, in addition to a recording/playback unit, a repetition control unit and an amplification unit incorporated with which the user can record an unlimited number of 30-second audios, whether from a microphone or a PC, and can play them back repeatedly to serve as an alarm.2011-12-22
20110311078MICROSCALE IMPLEMENTATION OF A BIO-INSPIRED ACOUSTIC LOCALIZATION DEVICE - An apparatus and method for creating a MEMS directional sensor system capable of determining direction from at least two microphones to a sound source over a wide range of frequencies is disclosed. By utilizing a stiff beam stand-off architecture that relies on a unique manufacturing technique in a MEMS device, such as described herein, a very small set of microphones, on the order of a few micrometers, can be designed with unsurpassed ability to detect a sound source location.2011-12-22
20110311079METHOD AND STRUCTURE FOR INDUCING ACOUSTIC SIGNALS AND ATTENUATING ACOUSTIC SIGNALS - At least embodiment is directed to an earpiece comprising a housing; and a field responsive fluid, where the field responsive fluid is in the housing, where the housing is part of the earpiece, and where the earpiece is configured to vary a field to vary an acoustical property of the field responsive fluid.2011-12-22
20110311080Very Low Power MEMS Microphone - A MEMS microphone is capable of operating with less-than-one-volt bias voltage. An exemplary MEMS microphone can operate directly from a power rail (i.e., directly from VDD), i.e., without a DC-to-DC step-up voltage converter or other high bias voltage generator. The MEMS microphone has high mechanical and electrical sensitivity due, at least in part, to having high-compliance, i.e. low stiffness, springs and a relatively small gap between its diaphragm and its parallel conductive plate. In some embodiments, a diode-based voltage reference or a bandgap voltage reference supplies the bias voltage.2011-12-22
20110311081MEMS MICROPHONE AND MANUFACTURING METHOD THEREOF - A micro electro mechanical system (MEMS) microphone capable of preventing a membrane and a back plate from being contacting each other by an overvoltage, an external shock, and the like, and a method of manufacturing the MEMS microphone. The MEMS microphone includes a silicon substrate in which a back chamber is to be formed; a back plate which is formed on the silicon substrate and has formed therein a plurality of sound holes; a membrane which is formed on the silicon substrate at a predetermined distance apart from the back plate to form an air gap; and a contact-preventing electrode unit which is formed on the silicon substrate and applies a repulsive force to the membrane.2011-12-22
20110311082CAPACITIVE ELECTRO-ACOUSTIC TRANSDUCTION SYSTEM AND CAPACITIVE ELECTRO-ACOUSTIC TRANSDUCER THEREOF - A capacitive electro-acoustic transducer includes a pair of input terminals, a pair of output terminals, an electrode plate, and a diaphragm. The pair of input terminals receives an audio signal, and the pair of output terminals outputs the audio signal, wherein at least one terminal of these terminals is a conductive magnet. The electrode plate has a first end and a second end electrically connected to a first input terminal of the pair of input terminals and a first output terminal of the pair of output terminals, respectively. The diaphragm is disposed on one side of the electrode plate and has a third end and a fourth end electrically connected to a second input terminal of the pair of input terminals and a second output terminal of the pair of output terminals, respectively.2011-12-22
20110311083PORTABLE AUDIO DEVICE WITH MICROPHONE AND CONTROLLER - A portable audio device with microphone and controller includes a generally portable housing; an aperture in the housing having sides sloped between 15 and 45 degrees relative to a central axis of the aperture with a large end that opens out of the housing and a small end that opens into the housing; a microphone inside the housing, in line with the aperture, so that sound enters the device and passes to the microphone; an audio output that provides an audio signal representing the sound; a meter on the housing that displays an input level for the microphone and an output level for the audio output; and a controller that controls the input level and the output level. An elastomer dampener for the microphone resists vibrations. Other inputs include an external connection for a musical instrument, second microphone or other input with a 48-volt power source.2011-12-22
20110311084SHARED COIL FOR INDUCTIVE CHARGING AND HEARING-AID-COMPLIANCE REQUIREMENTS IN MOBILE PHONES - A mobile communication device that is compliant with the Hearing Aid Compliance Act. The device includes a coil and circuitry that can couple, through electromagnetic induction, the output of an audio codec of the device to a hearing aid. The coil and circuitry can also be used to charge the battery of the device. The coil and circuitry can further be used, through electromagnetic induction, to transfer energy from the battery of the device to the battery of the hearing aid to charge the battery of the hearing aid.2011-12-22
20110311085CEILING LOUDSPEAKER SYSTEM - The present invention comprises a method and apparatus for installing a tile-mounted ceiling speaker that combines the ease of installation of a lay-in speaker system with the visual appearance of a tile-mounted speaker system. In one or more embodiments, the apparatus of the present invention includes a support frame and back box assembly configured for installation on top of a ceiling tile and a loudspeaker cartridge configured to be mounted to the support frame through an appropriately-sized hole in the ceiling tile. In one or more embodiments, the method of the present invention comprises forming an appropriately-sized hole in a ceiling tile, laying an integrated back box and support frame on top of the ceiling tile, connecting wires from an external audio source to terminals provided at the back box, connecting wires provided on the inside of the back box to a loudspeaker cartridge, inserting the loudspeaker cartridge into the hole in the ceiling tile from below, fastening the loudspeaker cartridge to the support frame, and fastening a grille to the loudspeaker cartridge. In one or more embodiments, a variety of interchangeable loudspeaker cartridges having differing loudspeaker configurations are provided. In one or more embodiments, the support frame and back box assembly is configured to allow installation of more than one loudspeaker cartridge. In one or more embodiments, the loudspeaker cartridges are configured for use both with a back box and without back box.2011-12-22
20110311086TELEVISION APPARATUS AND ELECTRONIC DEVICE - According to one embodiment, a television apparatus includes a housing, a skeletal member, a speaker, a speaker holder, and a sound guiding mechanism. The housing is provided with an emission opening. The skeletal member is housed in the housing and fixed to the housing. The speaker is arranged inside the housing. The speaker holder is attached to the skeletal member with an engagement mechanism while holding the speaker. The sound guiding mechanism includes the speaker holder, and guides sound produced from the speaker to the emission opening.2011-12-22
20110311087COMPRESSION DRIVER AND HORN STRUCTURE - A loudspeaker driver 2011-12-22
20110311088ACOUSTIC CONVERSION DEVICE AND ACOUSTIC CONVERSION DEVICE ASSEMBLY METHOD - An acoustic conversion device includes: a driving unit including magnets, a yoke, a coil, a vibrating portion, and an armature fixed to the yoke; a diaphragm unit including a holding frame fixed to the driving unit, with one face as a first-joint face jointed to the driving unit, and the other face as a second-joint face, a resin film adhered to the holding frame, a diaphragm held on the holding frame, and a beam portion propagating vibration from the vibrating portion to the diaphragm; and a storage unit including a case body for storing the driving unit and diaphragm unit; with the driving unit and diaphragm unit being stored in the case body, the case body being pressed against and deforming a sealing agent loaded in the second-joint face, from a side facing the second-joint face, thereby sealing each gap between the case body, cover body, and holding frame.2011-12-22
20110311089ACOUSTIC CONVERSION DEVICE AND ACOUSTIC CONVERSION DEVICE ASSEMBLY METHOD - An acoustic conversion device includes: a driving unit including a pair of magnets disposed so as to face each other, a yoke to which the pair of magnets are attached, a coil to which driving current is supplied, a vibrating portion which vibrates when driving current is supplied to the coil, and an armature disposed between the pair of magnets with the vibrating portion being passed through the coil; and a diaphragm unit including a diaphragm, and a beam portion for propagating the vibration of the vibrating portion to the diaphragm; with a coil attachment portion to which the coil is attached, located in a state in parallel with the vibrating portion, being provided to the armature.2011-12-22