49th week of 2008 patent applcation highlights part 34 |
Patent application number | Title | Published |
20080298512 | DATA PROCESSING APPARATUS - A data processing apparatus includes a channel demultiplexing circuit, a bus, a memory controller and a memory. The channel demultiplexing circuit has a first delay circuit which delays first channel data only of multi-channel data by one cycle and outputs first delayed channel data, a second delay circuit which delays second channel data only of the multi-channel data by one cycle and outputs second delayed channel data, and a channel data holding circuit which stores first coupled data obtained by coupling the first channel data and the first delayed channel data for multiple cycles and stores second coupled data obtained by coupling the second channel data and an output of the second delay circuit for multiple cycles. The channel demultiplexing circuit selectively outputs a first channel data group and a second channel data group to the bus. | 2008-12-04 |
20080298513 | Adaptive Sliding Block Viterbi Decoder - An adaptive sliding block Viterbi decoder (ASBVD) includes forward and backward Viterbi processors, a state estimator and a control unit. The processors generate metrics of states and of transitions between the states associated with an encoder, based on encoded input information symbols received via a communications channel. Each processor includes a plurality of buffers for storing information symbols so that a number of the encoded input information symbols can be concurrently decoded. The state estimator estimates a current state of a code trellis based on the generated metrics, and the processors decode the stored information symbols based on the estimated current state. The control unit adapts the number of encoded input information symbols to be concurrently decoded based on a condition of the communications channel, and selectively controls the number of buffers that are enabled in accordance with the number of encoded input information symbols to be concurrently decoded. | 2008-12-04 |
20080298514 | Method And Apparatus For Real-Time Pulse Parameter Estimator - A real-time pulse parameter estimator is disclosed herein. In one embodiment, an apparatus has pulse detection logic, an abnormal pulse filter, and a pulse parameter estimator. The pulse detection logic is operable to detect pulses and to record an arrival time of each detected pulse. The abnormal pulse filter is operable to analyze the arrival time of the detected pulses and to determine whether there are any abnormal pulses based on the analysis. In one embodiment, the abnormal pulse filter generates an adjusted time difference of arrival (TDOA) signal for a pulse, based on a determination that the pulse is abnormal. The pulse parameter estimator is operable to estimate a pulse parameter for the signal based on an analysis of the arrival times of the detected pulses and information pertaining to there being any abnormal pulses in the signal. | 2008-12-04 |
20080298515 | Method and Apparatus for Implementing a Digital Signal Quality Metric - A method for detecting a digital radio signal includes the steps of receiving the digital radio signal including a series of symbols, developing a correlation waveform having a peak that corresponds to a symbol boundary, normalizing the correlation waveform, and calculating a peak value of the normalized correlation waveform, wherein the peak value represents the quality of the received digital radio signal. A receiver that performs the method is also provided. | 2008-12-04 |
20080298516 | INTEGRATED MULTI-SAT LNB AND FREQUENCY TRANSLATION MODULE - Systems and devices for receiving satellite signals are disclosed. A system in accordance with the present invention comprises a plurality of amplifiers, each amplifier in the plurality of amplifiers receiving the signals, a Frequency Translation Module, comprising a plurality of analog-to-digital converters, wherein each amplifier in the plurality of amplifiers is coupled to a separate analog-to-digital converter in the plurality of analog-to-digital converters, wherein the plurality of analog-to-digital converters convert the signals into digital data streams, a digital signal processing section, coupled to the plurality of analog-to-digital converters, wherein the digital signal processing section at least translates the frequency of the digital data streams and filters the digital data streams, a digital-to-analog section, coupled to the digital signal processing section; wherein the digital-to-analog section downconverts the satellite signals to an intermediate frequency band, and a receiver, coupled to the digital-to-analog section, wherein the receiver receives an output of the digital-to-analog section of the module at the intermediate frequency band, the output of the digital to analog section being on a single coaxial cable. | 2008-12-04 |
20080298517 | RECEIVING APPARATUS, PROGRAM AND RECEIVING METHOD - A receiving portion for receiving a wireless signal generated on the basis of a baseband signal having either a predetermined frequency band or a baseband signal having any of partial frequency bands; a signal processing portion for generating the baseband signal; a band shifter for shifting the frequency band of the baseband signal by such an amount of shift that the center frequency of at least a specific partial frequency band is in the vicinity of 0 Hz; a filter portion for outputting a partial signal, which is gained by sampling a signal component of the frequency band having a bandwidth of the specific partial frequency band with approximately 0 Hz as the center frequency, from the baseband signal; and a determining portion for determining the frequency band of the baseband signal on the basis of the partial signal. | 2008-12-04 |
20080298518 | Automatic Gain Control Unit of a Receiver - An automatic gain control (AGC) circuit that includes an RF amplifier with first and second distinct active gain control regions, wherein a gain of the RF amplifier varies during operation in the active gain control regions | 2008-12-04 |
20080298519 | Receiver Device - The enclosure of the receiver device is divided into an antenna vicinity enclosure | 2008-12-04 |
20080298520 | High-speed multi-mode receiver - A data receiver is provided which is operable to receive a signal controllably pre-distorted and transmitted by a transmitter, to generate information for adjusting the pre-distortion applied to the signal transmitted by the transmitter, and to transmit the information to the transmitter. The receiver is further operable to perform adaptive equalization to receive the signal transmitted by the transmitter. | 2008-12-04 |
20080298521 | INTERFERENCE SUPPRESSION PROCESSING UNIT AND A METHOD OF SUPPRESSING INTERFERENCE IN WIRELESS DATA COMMUNICATION - The interference suppression processing unit includes N | 2008-12-04 |
20080298522 | METHOD AND APPARATUS FOR COMPUTING SIR OF TIME VARYING SIGNALS IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for correcting symbols of a common pilot channel (CPICH) to generate an accurate signal-to-interference ratio (SIR) estimate in a wireless communication system are disclosed. In one embodiment, a non-stationary mean of a group of the CPICH symbols is estimated, the CPICH symbols are delayed, and the CPICH symbols are corrected by dividing the delayed CPICH symbols by the estimated non-stationary mean of the group of CPICH symbols. In another embodiment, a signal power estimate is generated based on the magnitude of CPICH symbols, a noise power estimate is generated by subtracting the signal power estimate from a total power estimate based on the magnitude of the CPICH symbols, and a SIR estimate is generated for symbols that have undergone a time varying gain by dividing the signal power estimate by the noise power estimate. | 2008-12-04 |
20080298523 | REDUCED COMPLEXITY SLIDING WINDOW BASED EQUALIZER - Data estimation is performed in a wireless communication system using both oversampling and multiple reception antennas. A receive vector is produced for each antenna at a sampling interval which is a multiple of the chip rate of the received signal. A channel response matrix is produced for each antenna at a preferred multiple of the sampling rate. Each receive vector is processed using a sliding window based approach, where a plurality of successive windows are processed. For each window, a combined circulant channel response matrix is produced using the channel response matrices. Using the combined circulant channel response matrix and a combined received vector comprising each received vector in a discrete Fourier transform based approach to estimate a data vector corresponding to that window; and combining the data vector estimated in each window to form a combined data vector. | 2008-12-04 |
20080298524 | Interference Suppression in a Multicarrier Receiver - A receiver uses knowledge of pilot symbols transmitted by a neighboring sector to reduce interference in a received data symbol. The received data symbol is transmitted on one or more data subcarriers in a first sector. Overlapping pilot symbols transmitted on overlapping pilot carriers in a second sector are determined and used to generate channel estimates for the overlapping pilot carriers. The overlapping pilot symbols and pilot channel estimates are then used to reduce interference in the received data symbol. | 2008-12-04 |
20080298525 | METHOD AND ARRANGEMENT FOR TRANSFERRING SYNCHRONIZING INFORMATION - The invention relates to a method and arrangement for transferring synchronizing information in a data transmission system including modem connections. The arrangement according to the invention comprises a modulator ( | 2008-12-04 |
20080298526 | Code Controller - A code controller that configures a code state at a substantially constant and low storage volume, and furthermore at a substantially constant computational processing amount, regardless of which state position a desired code state is present in within the state area of the code states. | 2008-12-04 |
20080298527 | DIRECT DIGITAL FREQUENCY SYNTHESIZER WITH PHASE SELECTABLE INTERPOLATOR - The disclosure relates to improved direct digital frequency synthesizers. A synthesizer in one embodiment is comprised of an accumulator that provides a phase signal and an interpolator having two or more interpolation polynomials. The polynomial that processes the phase signal is selected by comparing the phase signal to a threshold value. A reduced complexity digital circuit is provided for implementing the improved synthesizer. | 2008-12-04 |
20080298528 | INFORMATION PROCESSING APPARATUS AND METHOD OF CONTROLLING THE SAME - According to one embodiment, an information processing apparatus has a radio communications unit, and has a first mode in which communications are established at a first communication speed and a second mode in which communications are established at a second communication speed lower than the first communication speed, and includes a determining unit configured to determine whether or not the apparatus is in a predetermined state, and a control unit configured to lower the communication speed of the radio communications unit and shift the first mode to the second mode if it is determined by the determining unit that the apparatus is in the predetermined state in the first mode. | 2008-12-04 |
20080298529 | ACQUISITION CIRCUIT FOR LOW CHIP RATE OPTION FOR MOBILE TELECOMMUNICATION SYSTEM - A User Equipment (UE) receives and samples communication signals, where the communication signals have a time frame format, a transmission chip rate and a synchronization code associated with a time slot that includes a midamble that indicates a modulation of the synchronization code where a specified modulation of received synchronization codes identifies the timing for a timeslot in which data is to be received. The UE preferably includes a synchronization code determination circuit, a midamble determination circuit, and a phase modulation sequence detection circuit operatively associated with the midamble determination circuit. The UE can be configured for use with the low chip rate option of the Third Generation Partnership Project (3GPP) Universal Mobile Telecommunication System (UMTS) standards that employ a predefined set of downlink SYNC codes that point to midambles which indicate SYNC code modulation sequence to enables reading of data in a subsequent Broadcast Channel (BCH) message. | 2008-12-04 |
20080298530 | DATA-DEPENDENT JITTER PRE-EMPHASIS FOR HIGH-SPEED SERIAL LINK TRANSMITTERS - In the context of high-speed serial links, data-dependent jitter compensation techniques performed using phase pre-distortion. Broadly contemplated is an expansion of the notion of pre-emphasis beyond conventional amplitude compensation of ISI, whereby phase pre-emphasis for compensating data-dependent jitter (DDJ) is introduced. DDJ can be addressed by exploiting the relationship between the data sequence and the timing deviation. Phase pre-emphasis improves the signal integrity with little additional power consumption in the transmitter and with no cross-talk penalty. | 2008-12-04 |
20080298531 | Methods and Systems for Communicating Using Transmitted Symbols Associated with Multiple Time Durations - In at least some embodiments, a system may comprise one or more devices configurable to communicate according to a first protocol that permits interpretation of transmitted symbols associated with a first time duration. The system may further comprise one or more devices configurable to communicate according to a second protocol that permits interpretation of transmitted symbols associated with multiple time durations. The one or more devices configurable to communicate according to the second protocol are operable to communicate using transmitted symbols associated with the first time duration and to communicate using transmitted symbols associated with a time duration that is not supported by the one or more devices configured to communicate according to the first protocol. | 2008-12-04 |
20080298532 | AUDIO CLOCK REGENERATOR WITH PRECISELY TRACKING MECHANISM - In an HDMI system, the clock regenerator proposed by the HDMI specification may suffer external noise because the input clock of a phase lock loop circuit in a sink device of the HDMI system is too slow. This slow input clock causes the phase lock loop circuit unable to adjust and reduce the jitter of an audio clock regenerated in the sink device. Therefore, one embodiment of the present invention provides a clock regenerator to extract the relationship between the regenerated audio clock and a video clock received by the sink device from other source devices. The clock regenerator may comprise a phase lock loop circuit, a recovery circuit, a crystal oscillator and a tracking circuit. The crystal oscillator generates a crystal clock. The phase lock loop circuit receives the crystal clock and regenerates an audio clock. The recovery circuit extracts the relationship between the audio clock and the received video clock. The tracking circuit tunes the frequency of the crystal clock based on the extracted relationship. | 2008-12-04 |
20080298533 | Frequency synchronization - Systems and methods related to digital frequency locked looping to synchronize frequencies between the local signal from a local oscillator and a reference clock signal from a remote oscillator. A reference counter increments its count for every pulse in the reference clock signal. The value in the reference counter is compared to a configurable reference value. Whenever a match between the reference counter value and the reference value occurs, a hit signal is generated and the reference counter value is reinitialized. Concurrent with the above, a feedback counter increments for every pulse from the local signal. When the hit signal is generated, the value in the feedback counter is compared to a configurable feedback value (by subtraction) to generate a difference value. The difference value is then converted to a frequency adjust signal for use in either increasing or decreasing the frequency of the local oscillator. The hit signal also reinitializes the feedback counter. | 2008-12-04 |
20080298534 | Nuclear Plant with a Pebble Bed Nuclear Reactor - This invention relates to a nuclear plant including a main power system and a fuel handling and storage system. The system is connected to a sphere inlet and a sphere outlet of a multi-pass high temperature gas cooled pebble bed reactor. The system is configured such that gas flows from the system into the reactor through both the sphere inlet and the sphere outlet thereby inhibiting the ingress of high temperature gas from the reactor into the system. Restricting indexers permit the movement of spheres between the reactor and the system and dampen out the transmission of pressure fluctuations from the power system to the system. | 2008-12-04 |
20080298535 | Circuit structure for timer counter and electrical device using the same - A circuit structure for a timer counter counting the cycles of the pulse width of a digital signal corresponding to a clock signal is provided, wherein the signal type of the digital signal is Non-return to zero code. The timer counter circuit structure includes a first counter module and a second counter module. The first counter module receives the digital signal and the clock signal and counts the cycles of the pulse width of the digital signal corresponding to the clock signal while the logic of the digital signal is high. The second counter module receives the inverted digital signal and the clock signal and counts the cycles of pulse width of the inverted digital signal corresponding to the clock signal while the logic of the inverted digital signal is low. | 2008-12-04 |
20080298536 | TARGET POSITIONER - A target positioner including a radiation source disposed in a source housing, the radiation source adapted to emit a radiation beam, a target holder adapted to be attached to and generally immobilize a target organ, the target holder being rotatingly attached to a bearing assembly, a patient support table for supporting a patient thereon, a rotator for turning the patient support table about a rotation axis, and a source arm fixedly attached at one portion thereof to the source housing and at another portion thereof to the bearing assembly, such that when the target holder is attached to a target organ and the rotator turns the patient support table about the rotation axis, the target holder constrains the target organ from translating with respect to the radiation source and the source housing, and wherein the target holder permits the target organ to rotate by means of the bearing assembly relative to the source housing while experiencing slight translations with respect to the patient support table, so that the radiation beam emanating from the radiation source impinges upon the target organ at a plurality of angles irrespective of the misalignments between the radiation beam and the patient support table and between the patient support table and the target organ. | 2008-12-04 |
20080298537 | PLANAR X-RAY TOMOSYNTHESIS DEVICE - The present invention is claimed as an apparatus and a method for acquiring multi-angle images for a region of interest. The apparatus includes a x-ray source producing a beam of radiation; a surface to support the region of interest that moves the region of interest to at least one location; and a x-ray detector that is moved to location in order to receive a portion of the beam that has passed through the region of interest, the x-ray detector producing from the received portion of the beam an image. In another embodiment a plurality of detectors are used instead and they can each receive a portion of the beam that has passed through the printed circuit board. | 2008-12-04 |
20080298538 | System and Method for Laminography Inspection - A laminography inspection system comprises an irradiation source, a plurality of linear image detectors defining an image plane, a fixed table for placement of a test object in a stationary position between the irradiation source and the image detectors, and a computing device for processing a plurality of images of the test object acquired from the image detectors. The irradiation source and the image detectors perform a plurality of parallel linear scanning passes across the area of the test object to acquire images of the test object under different viewing angles. Based on the acquired image data, the computing device determines a warp compensation and generates a cross-sectional image of a selected section within the test object. | 2008-12-04 |
20080298539 | X-RAY CT APPARATUS AND METHOD OF CONTROLLING THE SAME - In an X-ray CT apparatus, the X-ray tube generates an X-ray beam during a line-orbit scan, and the collimator plate shields a part of the X-ray beam other than the part that contributes to image reconstruction. The part of the X-ray beam which contributes to the image reconstruction is applied to a subject along the body axis of the subject. The two-dimensional detector system detects the X rays in the same conditions during a circular-orbit scan, while the X-ray tube and the subject are rotating relative to each other. The reconstruction device performs back projection, thereby reconstructing an image. | 2008-12-04 |
20080298540 | DEFORMABLE PHANTOM APPARATUS - A deformable phantom apparatus for simulating motion of a patient's anatomy in 3D during breathing, the apparatus comprising a chamber fillable with a first fluid, a deformable member comprising tissue equivalent material of the anatomy being simulated, the deformable member being positionable within the chamber in the first fluid and having an open end in fluid communication with a second fluid outside the chamber in use; and a mechanism for causing the second fluid to flow through the open end to deform the deformable member between a normal state and a deformed state to simulate motion during breathing. | 2008-12-04 |
20080298541 | Smart Radiation Detector Module - An ionizing radiation detector module ( | 2008-12-04 |
20080298542 | Image Producing Methods and Image Producing Devices - The invention relates to microlithography and can be used, for instance for producing integrated circuits or structures having a sub-micron resolution. An image is produced with the aid of the stepped displacement, including continuous displacement of the radiator matrix(es) and/or a material sensitive to a used radiation at a step which is less than d. The diameter of the radiation flux at the output of each radiator is less than 100 nm. The sizes of the radiator matrixes can be equal to or greater than an image size. The displacements are carried out at distances which are equal or less than a maximum center-to-center distance of two adjacent radiators. A matrix of waveguides which are connected to at least one radiation source and made of fibre-optic waveguides having thinned ends or embodied in the form of microcones made of a material which is transparent for the used radiation is used as the radiator matrix. An emissive emitter matrix can also be used in the form of said radiator matrix. Said invention makes it possible to radically simplify a technological process for producing high-resolution images and used equipment | 2008-12-04 |
20080298543 | IMAGE CAPTURE DEVICE AND METHODS - A novel image capture device, system and method are disclosed for use in capturing dental images including a receptor holder including a first measurement guide for measuring a distance from which an image was taken from a patient. A future embodiment includes a second measurement guide for measuring the distance between the X-ray receptor and the X-ray generator from which an image was taken from a patient. | 2008-12-04 |
20080298544 | GENETIC TUNING OF COEFFICIENTS IN A THREAT DETECTION SYSTEM - A system and method are presented for determining an optimized set of estimation coefficients for use in the gray scale conversion of measured intensity ratios derived from radiographic images of an object. Radiographic images for known materials may be obtained using different source energy levels. Measured training ratios for each known material may be determined intensity values derived from pairs of radiographic images. Standard attenuation data for each known material may also provided. A genetic algorithm may be used to obtain an optimized set of estimation coefficients for the known materials using initial candidate sets of estimation coefficients, the measured training ratios, and the standard attenuation data. The optimized set of estimation coefficients may be used in the gray scale conversion of measured ratios derived from radiographic images of unknown materials for the determination of the atomic number of the unknown materials. | 2008-12-04 |
20080298545 | CARGO CONTAINER INSPECTION SYSTEM AND APPARATUS - A cargo container inspection radiation detector apparatus is disclosed. The apparatus includes a support, and a plurality of area radiation detectors disposed upon the support arranged corresponding to a height of the cargo container, each area radiation detector comprising an active area defined by a matrix of pixels. | 2008-12-04 |
20080298546 | CARGO CONTAINER INSPECTION METHOD - A method of improving a signal to noise ratio of an image data set of a cargo container is disclosed. The method includes transmitting a radiation beam toward the cargo container, detecting the transmitted radiation beam via a plurality of area radiation detectors, each area radiation detector comprising an active area defined by a matrix of pixels, thereby defining enhanced radiation data, processing the enhanced radiation data and reconstructing the image data set representative of contents of the cargo container, combining image attributes of the image data set to improve the signal to noise ratio, thereby defining an enhanced image data set, and displaying on a display the enhanced image data set comprising an improved signal to noise ratio. | 2008-12-04 |
20080298547 | X-RAY INSPECTION APPARATUS - An X-ray inspection apparatus includes an irradiation unit, a light receiving unit, a transport unit, an X-ray shield unit, and a control unit. The irradiation unit is configured to irradiate the product with X-rays. The light receiving unit is configured to detect the X-rays irradiated from the irradiation unit. The transport unit is disposed between the irradiation unit and the light receiving unit, and is configured to transport the product. The X-ray shield unit is integral with the transport unit and is formed in an area irradiated by the X-rays. The control unit is configured to detect the position at which the X-rays are blocked by the X-ray shield unit based on the amount of X-rays detected at an end portion of the light receiving unit, and to determine whether the transport unit is properly mounted based on the position. | 2008-12-04 |
20080298548 | Device for X-Ray Brachytherapy, and Method for Positioning a Probe Introduced Into a Body for X-Ray Brachytherapy - In a method and device for x-ray brachytherapy, a probe is inserted into and moved within a living subject, the probe having a distal end, an x-ray source carried by said probe at said distal end that irradiates an x-ray beam into an exposure area outside of the probe, a mark generator carried by said probe at said distal end that generates a mark that identifies at least a portion of said exposure area, and an optical observation system, having an optical detector carried at said distal of said probe, that generates an optical image of said at least one part of said exposure area that is identified by said marking, the marking being visible in said optical image. | 2008-12-04 |
20080298549 | Web-Based Expert System for Educational Therapy Planning - The invention consists of an expert system supporting non-experts in their capacity to develop, implement, monitor and evolve therapy plans. Therapy plans in this application are educational and non-medical. The purpose of the therapy plan is to guide the caregiver or therapist in what to do for a client and how to do it. The client is a person with a previously diagnosed condition (psychological, cognitive, or physical) which responds to a teaching process. The plans are developed based on expert system analysis of user input. This analysis is reflective of decision making processes in the fields of both special needs education and rehabilitative medicine, including speech language pathology, psychology, physiotherapy, and occupational therapy. | 2008-12-04 |
20080298550 | METHODS AND APPARATUS FOR THE PLANNING AND DELIVERY OF RADIATION TREATMENTS - Methods and apparatus are provided for planning and delivering radiation treatments by modalities which involve moving a radiation source along a trajectory relative to a subject while delivering radiation to the subject. In some embodiments the radiation source is moved continuously along the trajectory while in some embodiments the radiation source is moved intermittently. Some embodiments involve the optimization of the radiation delivery plan to meet various optimization goals while meeting a number of constraints. For each of a number of control points along a trajectory, a radiation delivery plan may comprise: a set of motion axes parameters, a set of beam shape parameters and a beam intensity. | 2008-12-04 |
20080298551 | Nondestructive analysis method, nondestructive analysis device, and specific object analyzed by the method/device - Non-destructive analysis is carried out by irradiating an object with X-rays, for example, so that the X-rays from the object are incident on an analyzer crystal. The analyzer crystal can be of a transmission-type or a reflection-type. A pre-crystal device is used to make the radiation monochromated and parallelized. Atomic lattice planes of the pre-crystal device are approximately parallel with the atomic lattice planes of the analyzer crystal so as to use the angular analysis capability of the analyzer crystal. The thickness of the analyzer crystal is fixed. For example, for a transmission-type analyzer crystal, the thickness is such that irradiation with monochromatic parallel X-rays in the absence of the object results in a condition in which either one of (a) X-rays along a forward diffraction direction and (b) X-rays along a diffraction direction obtained by dynamical diffraction by the transmission type analyzer crystal have an intensity of nearly zero as compared to the intensity of the other with respect to the monochromatic parallel X-rays. At least one or both of an X-ray dark-field image and an X-ray bright-field are obtained. | 2008-12-04 |
20080298552 | Method and Device for Generating in Particular Euv Radiation And/or Soft X-Ray Radiation - A method of generating in particular EUV radiation ( | 2008-12-04 |
20080298553 | Particle-Beam Treatment System - Provision is made for a particle-beam treatment system in which, even during particle-beam irradiation, the shape of a multileaf collimator is monitored. The particle-beam treatment system, in which multi-layer conformal irradiation is performed while the setting of the shape of the multileaf collimator in an irradiation head is changed during particle-beam irradiation, is provided with an optical shape-monitoring unit mounted attachably and detachably in the snout portion at the downstream side of the multileaf collimator, the optical shape-monitoring unit having a shape-monitoring mirror, opposing the multileaf collimator, for monitoring the shape of the multileaf collimator; a video camera for shooting the multileaf-collimator shape reflected by the shape-monitoring mirror; and an image monitor for displaying an image of the video camera that shoots the shape of the multileaf collimator. | 2008-12-04 |
20080298554 | Method and system for cone beam x-ray source and detector arrangement in computed tomography systems - Methods and systems for x-ray detector and x-ray source arrangement in cone beam computed tomography systems are provided. An arm having a first end and a second end is mounted onto a support structure such that the arm rotates about a vertical axis. An x-ray source and an x-ray detector are separately attached to each end of the arm at angles in a range of about 2 to 20 degrees from the vertical axis, such that each is adapted to rotate with the arm about the vertical axis. The x-ray source and the x-ray detector are spaced apart to enable an anatomical target to be interposed between the x-ray source and the x-ray detector for cone beam computed tomography scanning, such that the x-ray source and the x-ray detector do not interfere with the target during scanning. | 2008-12-04 |
20080298555 | SYSTEMS AND METHODS FOR LOOP LENGTH ESTIMATION BASED ON PER-PORT CALIBRATION - Systems and methods for performing loop length estimation are described. One embodiment includes a method which comprises receiving an echo signal for a loop under test where the echo signal is a per-port calibrated echo response obtained using frequency domain reflectometry single-ended line testing (FDR-SELT). The method further comprises analyzing characteristics of the echo signal to perform a loop length estimation based on data relating to ripple frequency as a function of loop length. | 2008-12-04 |
20080298556 | HEARING AID-COMPATIBLE CORDLESS TELEPHONE WITH CORDED HANDSET - A cordless telephone for use with a hearing aid includes an induction coil in a handset. The handset is electrically and mechanically connected to a platform or base for the handset such that the handset platform and handset are not farther from each other than the length of the cord that connects them. Audio processing circuitry in the remote station of the cordless telephone enables both volume control and tone control of the signals produced at the handset earpiece and induced by the hearing-aid compatible voice coil with the handset. | 2008-12-04 |
20080298557 | METHOD, SYSTEM, AND STORAGE MEDIUM FOR PROVIDING COMPREHENSIVE FACSIMILE INFORMATION WITHIN A VOICE MAIL SYSTEM - A method, system, and storage medium for providing comprehensive facsimile information within a voicemail system are disclosed. The method includes receiving a facsimile at a voicemail system, storing the facsimile in a recipient voice mailbox, and interpreting elements of the facsimile. The interpreting is performed by optical character recognition software. Upon receiving a request by a voicemail recipient to access the voice mailbox, and absent any pre-defined user preferences with respect to the handling of the facsimile, the method includes converting the interpreted elements of the facsimile into audible speech via a text-to-speech engine, formatting the converted elements resulting in a voicemail facsimile notification, presenting the voicemail facsimile notification and options to a communications device associated with the voicemail recipient, and implementing one of the options selected by the recipient. | 2008-12-04 |
20080298558 | System and method for caller identification voice announce - A system and method for a caller identification voice announce. The caller identification voice announce is associated with a calling party. An identifier of an incoming calls is translated to the associated caller identification voice announce. The caller identification voice announce associated with the calling party is played in response to receiving the incoming call from the calling party. | 2008-12-04 |
20080298559 | Calling party's language selection based on called party's phone number - In one embodiment, a method includes identifying a geographic location of a called party based on a phone number of the called party, entered by a calling party, and prompting the calling party with at least one spoken language based on the geographic location of the called party. | 2008-12-04 |
20080298560 | APPARATUS SYSTEM AND METHOD FOR WEB-BASED PHONE SERVICES - An apparatus, system, and method are disclosed for providing web-based phone services. Phone calls are initiated by a user control on a web page. A calling module uniquely identifies the telephone call and initiates calling by a dialer. Once the telephone call is established, auxiliary functions such as call monitoring, recording, transfer, or conference calling may be initiated for the call. Additional controls corresponding to the auxiliary functions may provided on the web page or a related web page. The web pages used to provide the user controls may stateless web pages. | 2008-12-04 |
20080298561 | Web-call method - The present invention provides a web call method so that when a user uses a personal computer to make an Internet call, the user just inputs a web address through browser instead of key in telephone number by keyboard. It comprises steps as below: | 2008-12-04 |
20080298562 | Voice aware demographic personalization - A voice interaction system is configured to analyze an utterance and identify inherent attributes that are indicative of a demographic characteristic of the system user that spoke the utterance. The system then selects and presents a personalized response to the user, the response being selected based at least in part on the identified demographic characteristic. In one embodiment, the demographic characteristic is one or more of the caller's age, gender, ethnicity, education level, emotional state, health status and geographic group. In another embodiment, the selection of the response is further based on consideration of corroborative caller data. | 2008-12-04 |
20080298563 | System and method for pre-call messaging - A system and method for playing pre-call messages. User input is received to record a pre-call message for one or more intended recipients in anticipation of an incoming call from the one or more intended recipient. The pre-call message is associated with an identifier of the one or more intended recipients. The pre-call message is played to the one or more intended recipients during the ring back period in response to determining the incoming call is from the one or more intended recipients using the identifier. The pre-call message is deleted in response to determining the one or more intended recipients have received the entire pre-call message. | 2008-12-04 |
20080298564 | System and method for quick note messaging - A system and method for quick note messaging on a wireless device. A message prompt is issued indicating a caller may leave a quick note message during a ring back period. A recording alert is played in response to receiving a caller selection to record the quick note message. The quick note message is recorded. An indication is given to the wireless device indicating that the quick note message has been received. | 2008-12-04 |
20080298565 | Internet-based method for alerting an individual with an unlisted telephone number that an acquaintance wishes to contact that individual - An Internet-based method for alerting an individual with an unlisted telephone number that an acquaintance wishes to contact that individual, including the steps of: establishing, by a webmaster, a website having an administrator; registering, by the individual with the unlisted telephone number, the unlisted telephone number of the individual on the website for a recurring fee after the individual has been guaranteed confidentiality; logging onto the website, by the acquaintance; determining, by the acquaintance, if the individual the acquaintance is trying to contact is in fact registered on the website; terminating, if answer to the determining step is no; paying a fee, by the acquaintance, if answer to the determining step is yes; entering information on the website, by the acquaintance, pertaining to the acquaintance for helping the individual with the unlisted telephone number recognize the acquaintance, and contact information of the acquaintance including the telephone number of the acquaintance; forwarding, by the administrator of the website, the information of the acquaintance to the individual with the unlisted number; simultaneously, informing the acquaintance, by the administrator of the website, that the information of the acquaintance has been forwarded to the individual with the unlisted number; and determining using the information of the acquaintance, by the individual with the unlisted telephone number, if the individual with the unlisted telephone number wants to contact the acquaintance. | 2008-12-04 |
20080298566 | Integrated Chat Client With Receiving Party Choice - Phone systems for an integrated chat client service are provided. A representative phone system includes a call processing system operable to check a chat server for accessibility of a calling party chat client associated with a calling party and coupled to the internet, the call processing system being further operable to prompt a called party to select to talk or chat. Methods to connect telephone calls and answer telephone calls are also provided. | 2008-12-04 |
20080298567 | WEB BASED TELEPHONE MANAGEMENT SYSTEM - Technology that implements an integrated and automated process for delivery of low cost web based telephone management services, as an outsourced solution in the arena of voice management. The services are provided via the internet, from a web site, after installation in the customer premises the service can be rendered in all respects remotely and is automated to a high degree. This economises on costs and allows a high grade service previously only available to the upper end of the market to be available to essentially all segments. | 2008-12-04 |
20080298568 | Hosted system monitoring service - A method and apparatus for providing a system monitoring service to customers. The method may include identifying a new customer based on data received from a reseller, storing data pertaining to this customer in a database, and registering the customer with a system monitoring service. The method may further include tracking the usage of the system monitoring service by the customer, calculating a fee for the usage of the system monitoring service by the customer over a predefined time interval, and then generating a bill for the calculated fee that covers the predefined time interval, where interactions between the customer and the reseller terminate once the customer is registered with the system monitoring service. | 2008-12-04 |
20080298569 | PREPAID NEGATIVE BALANCE FEE PROCESSING AND FEE DIVERSION - Systems and methods are provided for a prepaid credit card processing system wherein components or entities such as the acquirer, issuer, or prepaid card processing network can dynamically determine, at the time of the transaction, whether a credit card transaction will be allowed—even where the fee associated with the transaction would cause the balance to fall below zero. | 2008-12-04 |
20080298570 | Caller ID information transmitting and receiving apparatus and method thereof - A caller ID information transmitting and receiving apparatus and method thereof are disclosed. The apparatus comprises at least the caller ID information generating module, a communication module and a caller ID information broadcasting module. The caller ID information generating module generates a caller ID information, and the communication module transmits and receives a communication signal with a base station. When the communication apparatus is operated to make a call, the communication module transmits at least a phone number and the caller ID information to the remote communication apparatus through the base station. And when the communication apparatus performs a call alert, the caller ID information broadcasting module broadcasts the received caller ID information. | 2008-12-04 |
20080298571 | RESIDENTIAL VIDEO COMMUNICATION SYSTEM - A video communication system and method for operating a video communication system are provided. The video communication system has a video communication device, having an image display device and at least one image capture device, wherein the at least one image capture device acquires video images of a local environment and an individual therein, according to defined video capture settings, an audio system having an audio emission device and an audio capture device; and a computer operable to interact with a contextual interface, a privacy interface, an image processor, and a communication controller to enable a communication event including at least one video scene in which outgoing video images are sent to a remote site. Wherein the contextual interface includes scene analysis algorithms for identifying potential scene transitions and capture management algorithms for providing changes in video capture settings appropriate to any identified scene transitions; and wherein the privacy interface provides privacy settings to control the capture, transmission, display, or recording of video image content from the local environment. | 2008-12-04 |
20080298572 | System and method for remote home monitoring and intercom communication - A system and method for remote home monitoring and intercom communication. An indicator is received for activating an interactive feature of a telephone. A determination is made whether the indicator authorizes the interactive feature. The audio interface of the telephone is activated. | 2008-12-04 |
20080298573 | SYSTEM, APPARATUS AND METHODS FOR COMPARING FRAUD PARAMETERS FOR APPLICATION DURING PREPAID CARD ENROLLMENT AND TRANSACTIONS - An apparatus is disclosed. The apparatus is for comparing a set of production fraud parameters with one or more sets of test or proposed fraud parameters run against prepaid card production data in a prepaid card analysis. The apparatus may include a system for uploading a set of production fraud parameters and one or more sets of test fraud parameters, a processing engine for receiving the uploaded parameters for running production data against the set of production fraud parameters in tandem with the one or more sets of test fraud parameters to produce a set of suspected fraud cases triggered by each set of fraud parameters, and one or more databases integrated with or in communications with the processing engine for card validation | 2008-12-04 |
20080298574 | System and Method for Real-Time Blocking of a Telephone Call - A preferred embodiment of the present invention includes a call blocking service to which a user subscribes. The preferred call blocking service includes maintaining an updateable list of calling parties that the user wishes to block from being able to complete telephone calls to the user, maintaining a buffer for storing information associated with the most recent calling party placing a telephone call to the user, and recognizing a signal that the user activates to automatically add the most recent calling party to the list of calling parties blocked from being able to complete telephone calls to the user. | 2008-12-04 |
20080298575 | System and method for incremental do-not-disturb - A system and method for incremental do-not-disturb. User input is received to activate the incremental do-not-disturb. The incremental do-not-disturb is activated for a time period in response to receiving the user input to activate the incremental do-not-disturb. The incoming calls are diverted during the time period in response to activating the incremental do-not-disturb. | 2008-12-04 |
20080298576 | Communication system, communication control unit, communication control method. communication control program and monitoring unit - A communication system | 2008-12-04 |
20080298577 | METHOD AND SYSTEM FOR PROCESSING COMMUNICATION SIGNALS IN A COMMUNICATION SYSTEM - Disclosed are a method and an apparatus for processing communication signals in a telephony or communication system. In various embodiments, the method or the apparatus comprises identifying a first signal which comprises an incoming communication signal and a feedback signal, controlling a logic for cancelling or suppressing a feedback effect based at least in part upon the first signal, processing the first signal using an adaptive filter based at least in part upon the first signal and a result of controlling the logic for cancelling or suppressing the feedback effect, and causing the processed first signal to be transmitted to a first output device. In some embodiments, the method and the apparatus further comprise identifying a communication context which the communication system is currently in. In some embodiments, the method and apparatus further comprise determining a filter coefficient for the adaptive filter. | 2008-12-04 |
20080298578 | Wireless Headset Apparatus and Mehtods - A wireless headphone device has a first elongate portion having first and second opposite ends with an attachment interface at the first end, the first portion comprising an on-board power supply and a transceiver with functional circuitry, and a second elongate portion coupled pivotally to the first portion at the second end, and having an ear bud and a microphone at an end away from the pivotal coupling. The functional circuitry enables receiving and playing of audio from an MP3 player through the ear bud, and use as speaker and microphone for a wirelessly coupled telephone. | 2008-12-04 |
20080298579 | METHOD AND SYSTEM TO AUTHENTICATE A PEER IN A PEER-TO-PEER NETWORK | 2008-12-04 |
20080298580 | CONTENT DELIVERY SERVER AND CONTENT DELIVERY SYSTEM - A content delivery server comprises a packet generator operative to generate packetized content data; an encryptor operative to encrypt the packetized content data with content key data to generate encrypted content data and also operative to encrypt the content key data with user key data to generate encrypted content key data; a TS multiplexer operative to multiplex the encrypted content data into a transport stream and add the encrypted content key data to a TS header thereof; and a transmitter operative to transmit the transport stream to a user terminal. | 2008-12-04 |
20080298581 | Application-Specific Secret Generation - A method, computer program product, and data processing system for protecting sensitive program code and data (including persistently stored data) from unauthorized access are disclosed. Dedicated hardware decrypts an encrypted kernel into memory for execution. When an application is to be executed, the kernel computes one or more secrets by cryptographically combining information contained in the application with secret information contained in the kernel itself. The kernel then deletes its secret information and passes the computed secrets to the application. To store data persistently in memory, the application uses one of the computed secrets to encrypt the data prior to storage. If the kernel starts another instance of the same application, the kernel (which will have been re-decrypted to restore the kernel's secrets) will compute the same one or more secrets, thus allowing the second application instance to access the data encrypted by the first application instance. | 2008-12-04 |
20080298582 | Broadcast Cryptosystem, Crypto-Communication Method, Decryption Device, and Decryption Program - A client's secret key is Ki=(s+Ii) | 2008-12-04 |
20080298583 | System and method of quantum encryption - The present invention relates to a crypto-system. According to one embodiment, the crypto-system includes a key synchronizer and/or cryptographic circuitry. The key synchronizer is configured to synchronize a cryptographic key stream with another communication entity using polarized photons. The cryptographic circuitry is configured to generate cipher text from plain text and/or plain text from cipher text, based on the synchronized key stream. | 2008-12-04 |
20080298584 | Variable length private key generator and method thereof - The present invention relates to a variable length private key generator. According to one embodiment, the variable length private key generator includes a permuter. The permuter is configured to generate a key stream of a desired length by permuting a plurality of shift registers. The permuter includes the plurality of shift registers, a plurality of clocking modules, and/or an output module. Each clocking module corresponds to a different one of the plurality of shift registers and is configured to generate a clocking signal based on selected bits of the corresponding shift register. The output module is configured to output the key stream based on at least one clocking signal and output of at least one of the plurality of shift registers. | 2008-12-04 |
20080298585 | Smartcard Dynamic Management - A method for securing a portable security module for use with a decoding element, the portable security module and the decoding element allowing to descramble scrambled audiovisual information. The method comprises analyzing at the portable security module a sequence of command messages, the command messages of the sequence being received at the portable security module at distinct times. | 2008-12-04 |
20080298586 | Decryption System and Method for Video Data - The disclosed embodiments relate to a system that processes video data. An exemplary embodiment of the system includes a module that initiates a channel search procedure on a transport stream, a module that determines an encryption level of a first channel in the transport stream based on a control bit within the transport stream, and a module that adds the first channel and its associated encryption level to a channel map. | 2008-12-04 |
20080298587 | Apparatus and method for secure, user-friendly deployment of information - A method of securely deploying information to a device includes placing a device into a shielded structure and exchanging timing messages between a keying device located inside the shielded structure and a beacon located outside of the shielded structure. The shielded structure is closed. The exchange of timing messages is terminated, and upon termination, the keying device transfers the information via one or more shielded messages to the device, and the beacon jams the frequency at which the shielded messages are transferred. The shielded structure is opened, and the keying device and beacon exchange messages to verify the secure deployment of the information. | 2008-12-04 |
20080298588 | METHODS AND SYSTEMS FOR THE AUTHENTICATION OF A USER - The present invention generally relates to a computer security system for use in the identification and authentication of a user. In one aspect, a method for identifying and authenticating a user is provided. The method includes establishing a trust between a server machine and an agent on a user machine. The method further includes establishing a session key to encrypt communications between the server machine and the agent. The method also includes receiving a username and password for use in validating the user. Additionally, the method includes creating an executable binary for the extraction of device data from the user machine to uniquely identify the machine. In another aspect, a computer-readable medium including a set of instructions that when executed by a processor causes the processor to identify and authenticate the user is provided. In a further aspect, a system for identifying and authenticating a user is provided. | 2008-12-04 |
20080298589 | ESTABLISHING A UNIQUE END-TO-END MANAGEMENT KEY - Systems and methods for communicating and authenticating end-to-end management keys to stations to facilitate communications between stations in the network. A nonce based upon a pseudo-random number generated by the station(s) can be included with the end-to-end management key (EMK). The station(s) can compare the nonce to the generated pseudo-random number to authenticate the EMK. | 2008-12-04 |
20080298590 | NETWORK ENCRYPTION KEY ROTATION - Systems and methods for authenticating key rotation communications. Key rotation communications can include a key counter known to both a headend device and a station. Comparison between a local key counter and the key counter included in the key rotation communication can be used to authenticate the key rotation communication. | 2008-12-04 |
20080298591 | Interoperable Systems and Methods for Peer-to-Peer Service Orchestration - Systems and methods are described for performing policy-managed, peer-to-peer service orchestration in a manner that supports the formation of self-organizing service networks that enable rich media experiences. In one embodiment, services are distributed across peer-to-peer communicating nodes, and each node provides message routing and orchestration using a message pump and workflow collator. Distributed policy management of service interfaces helps to provide trust and security, supporting commercial exchange of value. Peer-to-peer messaging and workflow collation allow services to be dynamically created from a heterogeneous set of primitive services. The shared resources are services of many different types, using different service interface bindings beyond those typically supported in a web service deployments built on UDDI, SOAP, and WSDL. In a preferred embodiment, a media services framework is provided that enables nodes to find one another, interact, exchange value, and cooperate across tiers of networks from WANs to PANs. | 2008-12-04 |
20080298592 | TECHNIQUE FOR CHANGING GROUP MEMBER REACHABILITY INFORMATION - In one embodiment, a technique for updating an address associated with a first entity in a communications network with a second entity in the communications network wherein the address is used to forward information to the first entity from the second entity. The first entity registers a first address associated with the first entity with the second entity. The first entity determines that a second address associated with the first entity is to be used instead of the first address to communicate with the first entity. The first entity generates an update message containing the second address, the update message obviating having to register the second address with the second entity. The first entity forwards the update message to the second entity to cause the second entity to use the second address instead of the first address to forward information to the first entity. | 2008-12-04 |
20080298593 | Gateway Shared Key - Procedures for using common encrypt/decrypt keys are described. In an example, a scale key is generated for encrypting host media stream for more than one client. The scale key may be exchanged with a first client so that the host receives a first client key for decrypting a first client media stream. The host may send a gateway device the scale key such that the gateway device may use the scale key. In implementations, the host may receive a share key for decrypting end client media stream forwarded through the gateway device. | 2008-12-04 |
20080298594 | AUTHORIZING STATIONS INTO A CENTRALLY MANAGED NETWORK - Systems and methods for connecting new stations to a secure network. New stations can send connection requests to a headend device. The headend device can retrieve a device access key associated with the new station and can provide a network membership key to the new station based upon authentication of the new station using the device access key. | 2008-12-04 |
20080298595 | METHODS AND APPARATUS FOR PROVIDING PMIP KEY HIERARCHY IN WIRELESS COMMUNICATION NETWORKS - A method is provided for securing a PMIP tunnel between a serving gateway and a new access node through which an access terminal communicates. A PMIP key hierarchy unique to each access terminal is maintained by the gateway. The gateway uses a first node key to secure PMIP tunnels when authentication of the access terminal has been performed. A PMIP key is generated based on the first node key and the PMIP key is sent to the new access node to assist in establishing and securing a PMIP tunnel between the gateway and the new access node. Otherwise, when authentication of the access terminal has not been performed, the gateway generates a second node key and sends it to an intermediary network node which then generates and sends a PMIP key to the new access node. This second key is then used to secure the PMIP tunnel. | 2008-12-04 |
20080298596 | IMAGE ENCRYPTION/DECRYPTION SYSTEM - When decrypting an image of a part of a document that is encrypted and therefore illegible, a user uses a decryption apparatus | 2008-12-04 |
20080298597 | Spatial Sound Zooming - Aspects of the invention provide methods, computer-readable media, and apparatuses for digital processing of acoustic signals to create a reproduction of a natural or an artificial spatial sound environment. An aspect of the invention supports spatial audio processing such as extracting a center channel in up-mixing stereo sound for multi-channel loudspeaker setup or headphone virtualization. An aspect of the invention also supports directional listening in which sound sources in a desired direction may be amplified or attenuated. Direction and diffuseness parameters for regions of input channels are determined and an extracted channel is extracted from the input channels according to the direction and diffuseness parameters. A gain estimate is estimated for each signal component being fed into the extracted channel and an extracted channel may be synthesized from a base signal and the gain estimate. The input channels may be partitioned into a plurality of time-frequency regions. | 2008-12-04 |
20080298598 | MUSIC DETECTING APPARATUS AND MUSIC DETECTING METHOD - According to one embodiment, there is provided a music detecting apparatus including; a first detecting unit configured to detect, based on a sound volume ratio of two channels included in the information, a music section included in an information; a second detecting unit configured to detect a commercial message section included in the information; and a processing unit configured to process, based on a ration of an overlapping section between the music section and the commercial message section to the music section, the music section as a non-music section, if the music section at least partly overlaps with the commercial message section. | 2008-12-04 |
20080298599 | SYSTEM AND METHOD FOR EVALUATING PERFORMANCE OF MICROPHONE FOR LONG-DISTANCE SPEECH RECOGNITION IN ROBOT - A system and method for evaluating performance of a microphone for long-distance speech recognition, which enables a robot to receive and respond to voices. A robot, which includes a network robot, must correctly recognize speech in order to recognize the user and to perceive its surroundings, objective evaluation criteria are required for choosing a microphone to be used in the robot. The methods include measuring a degree of attenuation of the voice, measuring a degree of distortion of the voice, and simultaneously measuring the degree of attenuation of the voice and the degree of distortion of the voice. A standard for the choice of a microphone, which can be digitalized, for a speech recognition function of a robot, permits choice of a microphone which has good sensitivity and can pick up voices without distortion when used at a large distance. | 2008-12-04 |
20080298600 | AUTOMATED REAL SPEECH HEARING INSTRUMENT ADJUSTMENT SYSTEM - A method for fitting a hearing instrument comprises placing the hearing instrument in situ includes receiving an audiogram of the user, determining a target gain for the hearing instrument as a function of the audiogram, exposing a reference sensor located adjacent the hearing instrument to an external speech signal, measuring an external sound pressure level (SPL) via the reference sensor, exposing a probe sensor coupled to the inside of the ear to the output of the hearing instrument while the hearing instrument is in situ, measuring an internal sound pressure level (“SPL”) inside the ear of the user via the probe sensor, determining an offset gain as a function of the external SPL, the target gain and the internal SPL, and automatically adjusting a gain of the hearing instrument according to the offset gain. A system for automatically fitting a hearing impaired person with a digital hearing aid in situ includes a digital hearing aid, a reference volume sensor, a probe sensor, a sound mapping module and a parameter control module. | 2008-12-04 |
20080298601 | Double Talk Detection Method Based On Spectral Acoustic Properties - A method of detecting double talk condition in hands free communication devices is disclosed. In general, the method in accordance with the teachings of this invention detects double talk conditions based on inherent frequency response differences between the transducers used and acoustical effect on the spectrum of the returned echo signal. An input signal from a far-end talker and an input signal from the output from an echo canceler are received by the detector. K spectral subbands are created for each input signal. From this K subbands q subbands are selected based on inherent frequency differences between the far-end transducer and a near-end transducer. The spectral echo residual power is estimated at each subband. The estimated spectral echo power and the output signal from the echo canceler for a selected subband are compared to a predetermined threshold. Based on this comparison, it is determined whether double talk conditions exist based on the comparison. | 2008-12-04 |
20080298602 | SYSTEM FOR PROCESSING MICROPHONE SIGNALS TO PROVIDE AN OUTPUT SIGNAL WITH REDUCED INTERFERENCE - A system reduces noise or other external signals that may affect communication. A device converts sound from two or more microphones into an operational signal. Based on one or both signals, a beamformer generates an intermediate signal. Reflected or other undesired signals may be estimated or measured by an echo canceller. Interference may be measured or estimated by processing the echo-reduced signal or estimate by a blocking matrix. An interference canceller may reduce the interference that may modify or disrupt a signal based on the output of the blocking matrix and the intermediate signal. | 2008-12-04 |
20080298603 | Medical device with communication, measurement and data functions - A medical diagnostic and communications apparatus with audio output comprises an electronic processor for processing stethoscope signals and secondary audio signals. An electronic stethoscope sensor is contained within a housing for transducing body sounds to electronic signals, and is operatively connected to the electronic processor. One or more secondary audio signal sources operatively connects to the electronic processor. A common audio output is connected to electronic processor to convert electronic stethoscope signals or secondary audio signals to acoustic output. These sounds may be produced separately or mixed. | 2008-12-04 |
20080298604 | In-room acoustic magnitude response smoothing via summation of correction signals - A system and method are provided for smoothing the in-room acoustic magnitude response of an audio reproduction system. An in-room acoustic magnitude response analysis is performed to determine a room resonance induced peak associated with an audio signal. A replica of the audio signal is filtered at the room resonance induced peak. The filtered replica signal is added with the audio signal. Through this, smoothing of the room resonance induced peak may be achieved, such that a subjective impression of transient response and dynamics of the audio signal are preserved. | 2008-12-04 |
20080298605 | Half-Voltage Headphone Driver Circuit - The present invention discloses a half-voltage headphone driver circuit, comprising: at least one operational amplifier providing an output to a headphone speaker, and a charge pump receiving a supply voltage (VDD), generating a positive half-voltage and a negative half-voltage (VDD/2 and −VDD/2) based on the supply voltage, and supplying the positive half-voltage and negative half-voltage as high and low operation levels to the at least one operational amplifier. | 2008-12-04 |
20080298606 | WIRELESS DIGITAL AUDIO PLAYER - The present disclosure relates to a device and method for audio playback, comprising at least two earpieces wherein each of the earpieces include memory configured to store audio content and/or data thereon and a timing device. The two earpieces are configured to asynchronously provide audio playback of the audio content stored in said memory upon or after synchronization and at a rate determined by the timing device to provide acceptably matched audio content. | 2008-12-04 |
20080298607 | AUDIO INTERFACE DEVICE AND METHOD - The invention provides an audio interface device and method utilizing a single audio jack connector for plugging into a three-wire analog microphone or a three-wire digital microphone, thereby reducing dimensions and production costs thereof and an electronic system using the same. The audio interface comprises an audio jack connector, having first to third contacts electronically connected with the three-wire microphone plugged thereinto; and an audio processing device, detecting a type of the three-wire microphone plugged into the audio jack connector, outputting a clock signal to the three-wire microphone and receiving a digital audio signal from the three-wire microphone when the type is digital; or receiving analog audio signals from the three-wire microphone when the type is analog. | 2008-12-04 |
20080298608 | Sound Generating Device with Removable Memory - A sound generating device for transforming an object into a loudspeaker is includes an exciter module adapted for receiving audio signals stored on a portable micro-memory card or the like and a mounting device connected to the exciter module for removably connecting the exciter module to an object such that the object is transformed into a loudspeaker when the exciter module is energized by the audio signals. | 2008-12-04 |
20080298609 | ELECTROMAGNETIC MICROPHONE - A microphone includes first and second magnet units disposed in a head housing and spaced apart from each other in an axial direction of the head housing. The first and second magnet units generate respectively first and second magnetic fields. A response unit is mounted in the head housing, is disposed between the first and second magnet units in the axial direction, and includes a diaphragm, and a conductive wiring disposed at the diaphragm. When the diaphragm vibrates between the first and second magnet units in response to an external sound wave signal, an electrical signal corresponding to the sound wave signal is induced in the conductive wiring as a result of action of the first and second magnetic fields. | 2008-12-04 |
20080298610 | Parameter Space Re-Panning for Spatial Audio - Aspects of the invention provide methods, computer-readable media, and apparatuses for re-panning multiple audio signals by applying spatial cue coding. Sound sources in each of the signals may be re-panned before the signals are mixed to a combined signal. Processing may be applied in a conference bridge that receives two omni-directionally recorded audio signals. The conference bridge subsequently re-pans one of the signals to the listeners left side and the signal to the right side. The source image mapping and panning may further be adaptively based on the content and use case. Mapping may be done by manipulating the directional parameters prior to directional decoding or before directional mixing. Directional information that is associated with an audio input signal is remapped order to compress input source positions into virtual source positions. The virtual sources may be placed with respect to actual loudspeakers using binaural cue panning. | 2008-12-04 |
20080298611 | Sound Processor - A sound processor includes N (N is an integer of five or more) speakers, a sound source configured to output N sound signals an additional sound source configured to output an additional sound signal and a coefficient data input section configured to input N pieces of position information indicating respectively positions of the N speakers and N coefficients indicating respectively volumes of sounds outputted from the N speakers based on the additional sound signal a coefficient data analysis section configured to generate M (M is an integer equal to or greater than two and smaller than N) adjustment coefficients based on said N pieces of position information and the N coefficients wherein the M adjustment coefficients indicate volumes of sounds outputted from M speakers of the N speakers based on the additional sound signal. | 2008-12-04 |