48th week of 2009 patent applcation highlights part 25 |
Patent application number | Title | Published |
20090290637 | Methods and Apparatus for Adaptive Reference Filtering - There are provided methods and apparatus for adaptive reference filtering. An apparatus includes an encoder for encoding at least one picture. The encoder performs adaptive filtering of at least one reference picture to respectively obtain at least one filtered reference picture, and predictively codes the at least one picture using the at least one filtered reference picture. The at least one reference picture is a picture wherein at least one sample thereof is used for inter-prediction either of subsequent to the at least one sample being applied to an in-loop filter or in an absence of the at least one sample being applied to an in-loop filter | 2009-11-26 |
20090290638 | Simplified transmission method for a stream of signals between a transmitter and an electronic device - The present invention essentially relates to a transmission method, via a communications network using a packet data transmission protocol, of a stream of multimedia samples between a transmitter server and at least one decoder receiver intended to restore these data in real time, this stream of samples coding images of variable size, the stream of samples coding images (I, P, B) of variable size, characterized in that the method comprises notably different steps consisting in:
| 2009-11-26 |
20090290639 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2009-11-26 |
20090290640 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2009-11-26 |
20090290641 | DIGITAL VIDEO COMPRESSION ACCELERATION BASED ON MOTION VECTORS PRODUCED BY CAMERAS - Architecture for accelerating video compression by using the motion vectors produced locally by a camera. Video frames are captured by the camera (e.g., a webcam) which also computes a motion vector for the frame. Metadata can also be generated that represent an index of motion quality associated with the motion vector. The motion vector is passed to a video compression engine which selectively uses the motion vector directly or alternatively as a seed for a compression and encoding algorithm. This algorithm produces a compressed video frame representing a motion estimate having a selected motion quality index value. In this way, complexity is reduced in the video compression engine, resulting in faster and more efficient video compression. Alternatively, the webcam sends a compressed video bitstream to reduce throughput on the connection and the receiving computing system processes residual information to derive an estimate of the quality index for each macroblock/kernel. | 2009-11-26 |
20090290642 | IMAGE CODING APPARATUS AND METHOD - The image coding apparatus comprises: a decoding unit | 2009-11-26 |
20090290643 | Method and apparatus for processing a signal - The present invention provides a signal processing method including searching a correlated unit having a highest correlation on a first domain for a current block, obtaining coding information for the correlated unit, and predicting coding information for a second domain of the current block using the obtained coding information. | 2009-11-26 |
20090290644 | VIDEO PROCESSING SYSTEM WITH LAYERED VIDEO CODING FOR FAST CHANNEL CHANGE AND METHODS FOR USE THEREWITH - A video processing system includes a video encoder that encodes a video stream into a independent video layer stream and a first dependent video layer stream based on a motion vector data or grayscale and color data. | 2009-11-26 |
20090290645 | System and Method for Using Coded Data From a Video Source to Compress a Media Signal - Systems and methods disclosed herein create encoder sensitive video using single and/or bidirectional communication links between a video source and an encoding process to pass metadata (e.g., instructions and cues related to the video stream) to an encoder. A video system includes a video source to generate an uncompressed video stream and metadata corresponding to one or more characteristics of the uncompressed video stream. The video source may include, for example, a video camera or video editing equipment. The metadata may be based on a position, state, movement or other condition of the video source. The system also includes a codec communicatively coupled to the video source. The codec receives the uncompressed video stream and compresses it based on the one or more characteristics indicated in the metadata. | 2009-11-26 |
20090290646 | VIDEO SYSTEM AND SCALER - A video system includes a decoder and a scaler. The decoder tracks a video signal, generates a synchronization signal and a frequency offset signal, decodes the video signal, and outputs a decoded signal in accordance with the synchronization signal. The scaler generates a frequency control signal in accordance with the frequency drift signal, generates an output clock signal in accordance with the frequency control signal, generates a scaled signal in accordance with the decoded signal, and outputs a display signal in accordance with the scaled signal and the output clock signal. | 2009-11-26 |
20090290647 | DVC Delta commands - A video compression system compresses video frames comprising pixels defined by n-bit color values. Encoder of video compression system determines the difference between a current pixel value and a plurality reference pixel values. Encoder sends difference value to decoder. Decoder determines current pixel value by adjusting a reference pixel color value by delta value. | 2009-11-26 |
20090290648 | METHOD AND A DEVICE FOR TRANSMITTING IMAGE DATA - The method of transmitting image data of a sequence of images comprises, for at least one image of said sequence of images: | 2009-11-26 |
20090290649 | SIGNAL PROPAGATION CIRCUIT AND SIGNAL PROCESSING APPARATUS - There provided are a substrate, on which are formed a signal propagation path to propagate a signal from an input end, in which signal propagation path a terminating resistance coupled to an output end substantially matches impedance; and a transmission line formed in anon-contact manner with the signal propagation path at a position halfway trough the signal propagation path. This arrangement realizes high-sensitivity detection of electric signals. | 2009-11-26 |
20090290650 | TRANSMISSION LINE DIRECTIONAL COUPLING - Coupling signals to a transmission line over a plurality of taps includes coupling a first signal onto a transmission line at a first tap, coupling a second signal onto a transmission line at a second tap, and controlling a phase for at least a portion of the first signal relative to a phase for a corresponding portion of the second signal. | 2009-11-26 |
20090290651 | TRANSMITTERS FOR LOOP-BACK ADAPTIVE PRE-EMPHASIS DATA TRANSMISSION - Transmitters for data communication can include a pattern generator configured to generate parallel data stream composed of k bits, k being a natural number greater than 2, a serializer configured to convert the parallel data stream into a serial data stream, a pre-emphasis circuit configured to pre-emphasize the serial data stream based on a pre-emphasis control value, to transmit the pre-emphasized serial data stream to a receiver via a first transmission line, and a pre-emphasis controller configured to receive measured values of transmission errors of the pre-emphasized serial data stream from the receiver via a second transmission line, and configured to set the pre-emphasis control value corresponding to a minimum measured value of the transmission errors, to an optimum pre-emphasis control value. | 2009-11-26 |
20090290652 | Pilot Signal Set Management in a Multi-Carrier Communication System - In a wireless communication system where different frequency bands are deployed to generate various communication zones, pilot signal set management for a plurality of pilot signals generated from an additional coverage zone is based on identifying a preselected signal set from the plurality of pilot signals and determining whether a predetermined criterion is met. | 2009-11-26 |
20090290653 | METHOD FOR TRANSMITTING PILOT FOR MULTIPLE CARRIER SYSTEM - A method of transmitting pilot signals in a system which performs communication using two or more earners comprises transmitting first pilots and second pilots from at least one user equipment to a base station, the first and second pilots, which are transmitted from the at least one user equipment, being multiplexed by code division multiplexing, and the first and second pilots, which are transmitted from a specific user equipment, having different transmission powers, and transmitting data from the at least one user equipment to the base station depending on the first pilots and the second pilots. Since many UEs can transmit CQ pilots, exact channel estimation can be performed and thus communication efficiency can be improved. | 2009-11-26 |
20090290654 | APPARATUS FOR TRANSMITTING AND RECEIVING DATA TO PROVIDE HIGH-SPEED DATA COMMUNICATION AND METHOD THEREOF - In the present invention, data generated from a source unit are distributed to at least one bandwidth; the data distributed to the respective bandwidths are encoded in order to perform an error correction; the encoded data are distributed to at least one antenna; a subcarrier is allocated to the data distributed to the respective antennas, and an inverse Fourier transform is performed; a short preamble and a first long preamble corresponding to the subcarrier are generated; a signal symbol is generated according to a data transmit mode; and a frame is generated by adding a second long preamble between the signal symbol and a data field for the purpose of estimating a channel of a subcarrier which is not used. | 2009-11-26 |
20090290655 | TRANSMISSION MODE AND RATE SELECTION FOR A WIRELESS COMMUNICATION SYSTEM - To select a transmission mode to use for a data transmission via a MIMO channel from station A to station B, station A obtains channel information used for spatial processing and determines the age of this information. Station A selects one of multiple transmission modes based on the age of the channel information and possibly other information (e.g., the fading characteristic of the MIMO channel). To select rate(s) to use for the data transmission, station A obtains channel state information (CSI) indicative of the received signal quality for the MIMO channel, e.g., received SNRs or “initial” rates. Station A determines the age of the CSI and selects one or more “final” rates based on the CSI, the age of the CSI, the selected transmission mode, and possibly other information. Station A processes data in accordance with the selected transmission mode and final rate(s) and transmits the processed data to station B. | 2009-11-26 |
20090290656 | MULTI-USER MIMO METHOD, APPARATUS AND COMMUNICATION SYSTEM FOR TRANSMITTING SIGNAL - A multi-user multi-input multi-output (MIMO) method for transmitting signal with a includes: performing a Tomlinson-Harashima pre-coding (THP) on raw data; decomposing a channel matrix to a product of a block triangular matrix and a unitary matrix, and generating a signal to be transmitted by performing a forward filtering on the THP coded data by using the unitary matrix. A multi-user MIMO apparatus for transmitting signal includes an interference pre-eliminating unit, a modulo unit, a forward filtering unit, and a channel matrix decomposing unit. A multi-user MIMO communication system is further provided. | 2009-11-26 |
20090290657 | Continuous Beamforming for a MIMO-OFDM System - A transmitting entity performs spatial processing on data symbols for each subband with an eigenmode matrix, a steering matrix, or an identity matrix to obtain spatially processed symbols for the subband. The data symbols may be sent on orthogonal spatial channels with the eigenmode matrix, on different spatial channels with the steering matrix, or from different transmit antennas with the identity matrix. The transmitting entity further performs beamforming on the spatially processed symbols, in the frequency domain or time domain, prior to transmission from the multiple transmit antennas. A receiving entity performs the complementary processing to recover the data symbols sent by the transmitting entity. The receiving entity may derive a spatial filter matrix for each subband based on a MIMO channel response matrix for that subband and perform receiver spatial processing for the subband with the spatial filter matrix. | 2009-11-26 |
20090290658 | Multi-Pulse Signal Generator Based on a Sawtooth Chirp - A method generating a digital waveform, pulse generators and VNAs based thereon are disclosed. The digital waveform is generated in response to user-supplied parameters defining a sawtooth chirp signal. A digital baseband chirp signal that depends on the input parameters is first generated and then the digital baseband signal is upconverted to a center frequency to form an upconverted chirp signal. The upconverted chirp signal is then converted to an M-ary signal having M levels and then (optionally) filtered through a band pass filter to attenuate frequency components of the digital chirp signal outside a predetermined band of frequencies. The digital baseband chirp signal can also include the sum of first and second chirp signals having amplitudes and phase determined to reduce variations in amplitude as a function of frequency in a predetermined band of frequencies. | 2009-11-26 |
20090290659 | Channel stacking system and method of operation - A channel stacking system includes first and second downconverting stages, first and second analog to digital converters, and a digital switching and signal processor. The first downconverting stage includes a first downconverter circuit having an input for receiving a first RF input signal which includes a multitude of first channels. The first downconverter circuit frequency downconverts the first RF input signal to a first IF signal which includes the multitude of first channels. The first analog-to-digital converter converts the first IF signal to a first digital IF signal. The second downconverter stage includes a second downconverter circuit having an input for receiving a second RF input signal which includes a multitude of second channels. The second downconverter circuit frequency downconverts the second RF input signal to a second IF signal including said multitude of second channels. | 2009-11-26 |
20090290660 | Pseudo Noise Coded Communication Systems - Systems, apparatus and methods for acquiring code phase and multipath channel models in communication device. A fast Walsh transform engine is used to acquire a pseudo noise code phase and the pseudo noise code bit rate of a radiofrequency signal that has been broadcast. Multipath filter coefficients from the pseudo noise code phase and the pseudo noise code bit rate are recovered. A pseudo noise generator is initialized with the pseudo noise code phase acquired during the fast Walsh transform step. The pseudo noise code phase and pseudo noise code bit rate are tracked by a phase locked loop so that communication with the radiofrequency signal is maintained. Then, the received noise code phase and pseudo noise code bit rate are despread so that any data in the radiofrequency signal is recovered. | 2009-11-26 |
20090290661 | DETECTION OF TIME-DOMAIN SEQUENCES SENT ON A SHARED CONTROL CHANNEL - Techniques for sending and receiving signaling messages in a control segment are described. The control segment may be sent with CDM in multiple OFDM symbols. At a receiver, a received sequence is obtained for the control segment. A time-domain signaling sequence is generated based on a signaling message hypothesized to have been sent in the control segment. A correlating sequence is generated based on the signaling sequence. In one design, the signaling sequence is partitioned into multiple sub-sequences, one sub-sequence for each symbol period in which the control segment was sent. Each sub-sequence is cyclically shifted by an amount determined by a channel tap delay. The correlating sequence is then formed by concatenating all of the cyclically shifted sub-sequences. The correlating sequence may also be generated in other manners. The received sequence is correlated with the correlating sequence to determine whether the signaling message was sent in the control segment. | 2009-11-26 |
20090290662 | METHOD FOR GENERATING A REFERENCE SIGNAL SEQUENCE USING GROUPING - Method for generating reference signal sequence using grouping is explained. In this method, base sequences are grouped such that each group contains at least one base sequence of each length, so UE(s) can use various length sequences as a reference signal. And in this method, inter cell interference caused by using various length sequence as a reference signal sequence can be minimized by grouping sequences having the high cross correlation relation. | 2009-11-26 |
20090290663 | COARSE FREQUENCY OFFSET ESTIMATION FOR DIGITAL MULTIMEDIA BROADCASTING - A method of estimating a coarse frequency offset of Digital Multimedia Broadcasting (DMB) transmission frames includes receiving the DMB transmission frames including a synchronization channel having a phase reference symbol, circularly shifting the phase reference symbol by applying a circular shift to the phase reference symbol, numerically correlating the circularly shifted phase reference symbol with a known correct phase reference symbol to obtain a highest peak and a side peaks of the numeric correlation, and computing a phase reference symbol angle based on a multiplication of the peak and a carrier spacing of the DMB transmission frames. The peak is determined when the circularly shifted phase reference symbol is equal to the known correct phase reference symbol. The peak and side peaks corresponding to the peak are operated in a range of a maximum value of the circular shift. | 2009-11-26 |
20090290664 | RECEIVER FOR WIRELESS COMMUNICATION NETWORK WITH EXTENDED RANGE - Techniques for detecting and demodulating a signal/transmission are described. Signal detection is performed in multiple stages using different types of signal processing, e.g., using time-domain correlation for a first stage, frequency-domain processing for a second stage, and time-domain processing for a third stage. For the first stage, products of symbols are generated for at least two different delays, correlation between the products for each delay and known values is performed, and correlation results for all delays are combined and used to declare the presence of a signal. For demodulation, the timing of input samples is adjusted to obtain timing-adjusted samples. A frequency offset is estimated and removed from the timing-adjusted samples to obtain frequency-corrected samples, which are processed with a channel estimate to obtain detected symbols. The phases of the detected symbols are corrected to obtain phase-corrected symbols, which are demodulated, deinterleaved, and decoded. | 2009-11-26 |
20090290665 | OFDM RECEIVING METHOD AND APPARATUS - In order to improve upon a degradation in performances due to inter-carrier interference without loss of transmission efficiency, antennas provided on a mobile body are made directional antennas. An antenna selection unit selects a directional antenna in such a manner that Doppler shift that is caused by movement of the mobile body will keep a constant sign that is positive or negative, a fading-variation calculation unit calculates the average value of fading variation on each path of a multipath environment, and a fading-variation compensation unit compensates the multipath fading variation based upon the average value. | 2009-11-26 |
20090290666 | METHOD AND APPARATUS FOR RECEIVER PULSE RESPONSE DETERMINATION - A pulse response for a receiver, as an array PR, is found from the receiver's symbol stream. For a continuous stream of arbitrary data, a value of the array PR[k] can be determined from the signal levels of the symbols received. The stream of received data is input to a FIFO. Between the first and last locations of the FIFO is the symbol referred to herein as D | 2009-11-26 |
20090290667 | JOINT SYMBOL, AMPLITUDE, AND RATE ESTIMATOR - The system in one embodiment relates to tightly integrating parameter estimation, symbol hypothesis testing, decoding, and rate identification. The present invention provides Turbo-decoding for joint signal demodulation based on an iterative decoding solution that exploits error correction codes. The system iteratively couples an initial amplitude estimator, a symbol estimator, a bank of decoders, and a joint amplitude estimator to produce the symbol estimates. | 2009-11-26 |
20090290668 | Communication apparatus and control method - A first communication apparatus receives, from a second communication apparatus, information indicating the number of relays from a first supplying apparatus to the second communication apparatus. The first communication apparatus receives, from a third communication apparatus, information indicating the number of relays from a second supplying apparatus to the third communication apparatus. The first communication apparatus transmits, to the third communication apparatus, information indicating the number of relays from the first supplying apparatus to the first communication apparatus. The first communication apparatus transmits, to the second communication apparatus, information indicating the number of relays from the second supplying apparatus to the first communication apparatus. The first communication apparatus selects the second communication apparatus, which has a smaller number of relays among the second and the third communication apparatuses. The first communication apparatus synchronizes a clock thereof with a clock of the second communication apparatus. | 2009-11-26 |
20090290669 | PHASE DIFFERENCE DETECTION DEVICE AND ROTATION POSITION DETECTION DEVICE - A phase difference detection device able to detect a phase with a high precision is provided. A phase difference detection device | 2009-11-26 |
20090290670 | METHOD OF ACQUIRING INITIAL SYNCHRONIZATION IN IMPULSE WIRELESS COMMUNICATION AND RECEIVER - A receiver in an impulse wireless communication. The receiver ( | 2009-11-26 |
20090290671 | Data recovery system for source synchronous data channels - A high-definition multimedia interface (HDMI) receiver recovers high speed encoded data which are transmitted differentially over data channels of a lossy cable, along with a clock. Inter symbol interference, high-frequency loss, skew between the clock and data channels, and differential skew within a differential signal are compensated by analog circuits which are automatically tuned for best performance by observing the quality of the recovered analog signal. Oversampling is used to provide a 24-bit digital representation of the analog signal for determining the quality of the signal. | 2009-11-26 |
20090290672 | Circuits and Methods for Clock and Data Recovery - A clock-data recovery circuit includes a phase rotator, a phase detector and a charge pump. The phase rotator receives first and second reference clocks and differential control signals. The phase rotator generates a modified clock signal responsive to the first and second reference clocks and the control signals. The phase detector receives a data signal and the modified clock signal. The phase detector generates a modified data signal and a phase error signal responsive to the data signal and the modified clock signal. The charge pump receives the phase error signal and generates the differential control signals, which direct the phase rotator to interpolate between select clock phases. | 2009-11-26 |
20090290673 | Method and device for realizing stable plasma confinement by pressure of AC magnetic field which can be used for controlled nuclear fusion - The invention relates to method and devices for producing stable hot plasma. In particular, the invention can be applied for realizing stable plasma in a thermonuclear reactor to provide energy source for power generation. In the method plasma is confined by pressure of AC magnetic field concentrated in a layer between plasma surface and surrounding conducting shell in which stabilizing feedback on the confined plasma is created by achieving conservation of the AC magnetic flux amplitude. The device for realization of the proposed method comprises a toroidal conducting shell filled with plasma, with AC voltages applied to insulated cuts in the shell made in poloidal and toroidal directions such that said AC magnetic field is created by AC currents in the shell and image currents on the plasma surface. The amplitudes and relative phases of said voltages are rather arbitrary, in particular they can be selected such that the resultant magnetic vector rotates in the plane tangential to the plasma surface with nearly circular polarization exerting nearly time independent magnetic pressure on the plasma. | 2009-11-26 |
20090290674 | NUCLIDE TRANSMUTATION DEVICE AND NUCLIDE TRANSMUTATION METHOD - The present invention produces nuclide transmutation using a relatively small-scale device. The device | 2009-11-26 |
20090290675 | METHOD AND APPARATUS FOR SUPPRESSING CORROSION OF CARBON STEEL, METHOD FOR SUPPRESSING DEPOSIT OF RADIONUCLIDE ONTO CARBON STEEL MEMBERS COMPOSING A NUCLEAR POWER PLANT, AND FILM FORMATION APPARATUS - The present invention is a method for suppressing corrosion of carbon steel members composing a nuclear power plant. That is, the processing solution contains a chemical including iron (II) ions, an oxidizing agent for oxidizing at least one part of the iron (II) ions into iron (III) ion, and a pH adjustment agent for adjusting pH. The pH of the processing solution is adjusted in the range of 5.5 to 9.0 by the pH adjustment agent. The processing solution is introduced into a purifying system pipe having the carbon steel members. The iron (II) ions are adsorbed on an inner surface of the purifying system pipe, namely, a surface of the carbon steel members. The ferrite film is formed on the surface of the carbon steel members by oxidizing the absorbed iron (II) ions. Therefore, corrosion of the carbon steel members is suppressed by the ferrite film. | 2009-11-26 |
20090290676 | NUCLEAR-ENGINEERING PLANT AND METHOD OF OPERATING A NUCLEAR-ENGINEERING PLANT - A nuclear-engineering installation has a pressurized-water reactor and a degasification system for reactor coolant. The degasification system has a degasification column which is coupled to the primary cooling circuit of the pressurized water reactor and further includes a coolant evaporator with a first heat exchanger and a stripping vapor condenser with a second heat exchanger, wherein a partial flow of the reactor coolant flows through the heat exchanger of the coolant evaporator on the secondary side, and wherein the heat exchanger of the stripping vapor condenser is connected, on the primary side, in a vapor and gas outlet line which is connected to the degasifier column. The degasification system is intended to be configured such that, with as simple a design as possible and taking into consideration relevant safety procedures, a particularly effective and at the same time energy-efficient separation of gasses, which are dissolved in the reactor coolant and cannot be condensed, is made possible, wherein the thermal load of the assigned nuclear intermediate cooling system is furthermore intended to be kept as low as possible. To this end it is provided that the heat exchanger of the coolant evaporator is switched in a heat-pump circuit on the primary side, which heat-pump circuit is coupled to the heat exchanger of the stripping vapor condenser with respect to the heat flux, which is established during plant operation, such that the heat liberated in the strip steam condensation is transferred at least partially to the reactor coolant, which flows through the coolant evaporator, and thus causes its evaporation. | 2009-11-26 |
20090290677 | BOOTSTRAP CIRCUIT, SHIFT REGISTER EMPLOYING THE SAME AND DISPLAY DEVICE - Disclosed is a shift register which includes first transistor connected between a first clock signal terminal and an output terminal, a second transistor with a gate connected to an input terminal and a source connected to a gate of the first transistor, a third transistor with a gate connected to a second clock signal terminal, an inverter with an input connected to the input terminal, a fourth transistor cascode connected to the third transistor with a gate connected to an output of the inverter, a fifth transistor connected between the gate of the first transistor and a power supply terminal, a sixth transistor connected between the fourth transistor and the power supply terminal with a gate connected to the input terminal, and a seventh transistor connected between the output terminal and the power supply terminal, the fifth and seventh transistors having gates connected in common to a connection node of the fourth and the sixth transistors. | 2009-11-26 |
20090290678 | COUNTING CIRCUIT AND ADDRESS COUNTER USING THE SAME - A counting circuit includes first to fifth flip-flops (FFs) and a logic operation unit. Each of the first to fourth FFs has an initial value based on a preset control signal input through a 4-bit set terminal and outputs a signal according to a clock signal. The fifth FF is coupled to the output terminal of the fourth FF and is configured to output the output signal of the fourth FF synchronously with the clock signal. The logic operation unit logically combines the output signals of the second to fourth FFs and outputs first and second counting signals. | 2009-11-26 |
20090290679 | Medical imaging apparatus - The time for obtaining ultrasonic images can be reduced by using a two-dimensional transducer array and good radiation images can be obtained even when radiation imaging is performed with the fixed array. The medical imaging apparatus includes a radiation generating unit for generation radiation, a radiation detecting unit for detecting radiation, an ultrasonic transducer array provided between the radiation generating unit and the radiation detecting unit and including two-dimensionally arranged ultrasonic transducers, a radiation image data generating unit for generating radiation image data based on a detection result of the radiation detecting unit, and an image processing unit for performing image processing on the radiation image data generated based on a detection result of radiation transmitted through an object to be inspected and the ultrasonic transducer array, thereby removing an image of the ultrasonic transducer array from a radiation image represented by the radiation image data. | 2009-11-26 |
20090290680 | HIGH RESOLUTION IMAGING SYSTEM - New sensors, pixel detectors and different embodiments of multi-channel integrated circuit are disclosed. The new high energy and spatial resolution sensors use solid state detectors. Each channel or pixel of the readout chip employs low noise preamplifier at its input followed by other circuitry. The different embodiments of the sensors, detectors and the integrated circuit are designed to produce high energy and/or spatial resolution two-dimensional and three-dimensional imaging for different applications. Some of these applications may require fast data acquisition, some others may need ultra high energy resolution, and a separate portion may require very high contrast. The embodiments described herein addresses these issues and also other issues that may be useful in two and three dimensional medical and industrial imaging. The applications of the new sensors, detectors and integrated circuits addresses a broad range of applications such as medical and industrial imaging, NDE and NDI, security, baggage scanning, astrophysics, nuclear physics and medicine. | 2009-11-26 |
20090290681 | METHOD OF BRIGHT-FIELD IMAGING USING X-RAYS - Provided is a method of bright-field imaging using x-rays in a sample to reveal lattice defects as well as structural inhomogeneities, the method comprising: (a) disposing a sample on a holder in the Laue transmission geometry and setting the sample to a single reflection in the Bragg diffraction; (b) projecting a beam of monochromatic x-rays on the sample; and (c) obtaining transmitted radiographic images and reversed diffracted images of the projected beam of monochromatic x-rays by the sample, respectively. | 2009-11-26 |
20090290682 | METHODS, SYSTEMS, AND COMPUTER-PROGRAM PRODUCTS FOR ESTIMATING SCATTERED RADIATION IN RADIOGRAPHIC PROJECTIONS - Several related inventions for estimating scattered radiation in radiographic projections are disclosed. Several of the inventions use scatter kernels of various forms, including symmetric and asymmetric forms. The inventions may be used alone or in various combinations with one another. The resulting estimates of scattered radiation may be used to correct the projections, which can improve the results of tomographic reconstructions. Still other inventions of the present application generate estimates of scattered radiation from shaded or partially shaded regions of a radiographic projection, which may be used to correct the projections or used to adjust the estimates of scattered radiation generated according to inventions of the present application that employ kernels. | 2009-11-26 |
20090290683 | POWER SUPPLY FOR AN X-RAY GENERATOR SYSTEM - A power supply for generating a high output voltage for supplying an X-ray generator system with at least one X-ray source ( | 2009-11-26 |
20090290684 | CIRCULAR ACCELERATOR WITH ADJUSTABLE ELECTRON FINAL ENERGY - A betatron is provided for producing pulses of accelerated electrons, particularly in an x-ray testing device, comprising at least one main field coil, one expansion coil for transferring the accelerated electrons to a target, and one electronic control system of the expansion coil for applying an expansion pulse to the expansion coil. The electronic control system of the expansion coil is designed such that the time of the expansion pulse for adjusting the final energy of the electrons is variable relative to the main field. | 2009-11-26 |
20090290685 | MOLYBDENUM ALLOY; AND X-RAY TUBE ROTARY ANODE TARGET, X-RAY TUBE AND MELTING CRUCIBLE USING THE SAME - This invention provides a molybdenum alloy having excellent high-temperature strength, an X-ray tube rotary anode target having high-temperature strength, an X-ray tube, and a melting crucible. The molybdenum alloy, having an oxygen content of not more than 50 ppm, comprising 0.2 to 1.5% of a carbide by weight and the balance, molybdenum, wherein the carbide is at least one selected from titanium carbide, hafnium carbide, zirconium carbide, and tantalum carbide, and a part of the carbides has an aspect ratio of not less than 2. | 2009-11-26 |
20090290686 | ARTIFACT REDUCTION SYSTEM AND METHOD FOR RADIOLOGICAL IMAGING SYSTEM - The effects of electromagnetic interference (EMI) on X-ray image data is corrected by characterizing the EMI and processing the image data to subtract the EMI effects from the image data. The X-ray image data, along with offset data, are collected in a conventional manner, affected by EMI if present, and EMI-characterizing data is immediately collected thereafter by disabling rows of a digital detector (FET off). The EMI-characterizing data, then, is not affected by the presence of image data, and can be used to characterize the amplitude and frequency of the EMI. The EMI-characterizing data is assured of being in phase with the collected image and offset data due to its collection in the same image acquisition sequence immediately following the collection of image and offset data. Artifacts due to the presence of EMI are thus eliminated from reconstructed images based upon the corrected data. | 2009-11-26 |
20090290687 | SYSTEM AND METHOD FOR POOLED IP RECORDING - Embodiments of the present invention provides systems and methods for pooled IP recording. An exemplary method of the present invention comprises monitoring a user's logon, associating a communication device to the user, assigning an interface to a recorder associated with the communication device, and recording data from the communication device sent over the interface. Another exemplary method of the present invention comprises detecting a recorder failure and dynamically routing an interface associated with the failed recorder to at least one other recorder. | 2009-11-26 |
20090290688 | SYSTEM AND METHOD FOR SELECTIVELY CONNECTING DENIED CALLS - The present invention is directed to a system and method for ensuring that calls from emergency responders and public safety answering points are connected to prepaid wireless or voice over internet protocol devices where the accounts associated with such devices have no remaining credit. According to certain embodiments of the invention a prepaid intercept is provided that enables telephone calls from certain entities to be connected to prepaid wireless devices, regardless of whether the accounts associated with such prepaid wireless devices have remaining credit. Embodiments of the present invention provide a system for determining whether an incoming call to a prepaid wireless device is from a public safety answering point and validating all calls from a public safety answering point. | 2009-11-26 |
20090290689 | MONITORING DEVICE, EVALUATION DATA SELECTING DEVICE, AGENT EVALUATION DEVICE, AGENT EVALUATION SYSTEM, AND PROGRAM - It is possible to efficiently evaluate utterance while ensuring the effectiveness of the result of the evaluation. A selection unit | 2009-11-26 |
20090290690 | SYSTEM AND METHOD FOR PROCESSING MESSAGES - A system that incorporates teachings of the present disclosure may include, for example, a Unified Messaging System (UMS) having a controller to receive one or more voicemail, video, or text messages directed to a subscriber of the UMS, present the subscriber one of a first option to convert one of the one or more voicemail messages received in a first media playback format to a second media playback format, and a second option to transfer at least a portion of one or more of the received voicemail, video or text messages received by the UMS to one of a set top box or digital video recorder. The controller is adapted to detect a selection of one of said options, and execute the selected option. Other embodiments are disclosed. | 2009-11-26 |
20090290691 | Method and System for Combining Text and Voice Messages in a Commuciations Dialogue - This publication discloses a method for delivering messages in a telecommunications network ( | 2009-11-26 |
20090290692 | Unified Messaging Architecture - A system and/or methodology that unifies a telephonic communication component and/or system with a data (e.g., messaging) server component and/or system. The system can facilitate telephonically accessing rich information in the server (e.g., messaging server). This rich information can include email content, calendar content, contacts information, or the like. Moreover, with access to an application programming interface, the invention can add functionality to initiate email communications as well as to accept or cancel meetings. Furthermore, the invention can synchronize messages of disparate formats. By way of example a user can set an “Out of Office” (OOF) status on both an email systems and telephone voicemail system from one location in one action. In another aspect, it will be appreciated that any message or data component can be analyzed, transformed, matched and/or communicated from one system to another (e.g., server to telephone) in accordance with the subject invention. | 2009-11-26 |
20090290693 | CONVEYING CALL SUBJECT MATTER WITH VOICE DATA - Embodiments are configured to provide information associated with a communication event to a communication party. In an embodiment, components of a communication system operate to provide a recorded call subject to a receiving party as part of a communication event. In one embodiment, a communication device can be used to record, package, and transmit subject matter as part of a communication event, wherein the recorded subject matter can be used to inform a receiving party of a communication subject. | 2009-11-26 |
20090290694 | METHODS AND SYSTEM FOR CREATING VOICE FILES USING A VOICEXML APPLICATION - Methods and systems for audio file insertion in spoken dialog code for use in interactive voice services are provided. The method includes identifying an audio tag in spoken dialog code of an interactive voice system, extracting data associated with the audio tag, generating a database query based on the extracted data, and retrieving at least one audio filename associated with an audio file to be played to a user in the interactive voice system, and replacing the extracted data with the audio filename in the spoken dialog code if the audio file associated with the audio filename matches at least a portion of the extracted data. The system includes a processor and modules for performing the steps of the method. | 2009-11-26 |
20090290695 | Network Telephony Appliance and System for Inter/Intranet Telephony - A network appliance ( | 2009-11-26 |
20090290696 | COMMUNICATION REMINDERS - Embodiments are configured to provide reminders associated with communications and other events. In an embodiment, components of a communication system can operate to generate, maintain, and implement reminders associated with communications and other events. A reminder can be automatically generated and scheduled for one or more users of the communication system when a user is unavailable or unable to take a call. Reminders can be generated to include information which can be used to establish a communication event for a subsequent communication associated with each reminder. | 2009-11-26 |
20090290697 | SYSTEMS AND METHODS FOR PRESENTING AN IMAGE ON A DISPLAY OF A MOBILE DEVICE - The described embodiments relate generally to methods, systems and handheld electronic communications devices for selecting and displaying a caller ID image from an image database configured to respond to user input and selectively display images on a display. The image database stores at least one tag identifier data corresponding to each image. An address book database stores at least one individual identifier and at least one corresponding address. A caller ID image corresponding to at least one caller ID is selected from the images and displayed on the display. | 2009-11-26 |
20090290698 | METHOD AND DEVICE FOR TRANSMITTING VOICE DATA IN A COMMUNICATION NETWORK - A method of transmitting voice data in a communication network and a device for transmitting such voice data, as well as a method of receiving voice data in a communication network and a device for receiving such data are provided. The voice data is comprised in a data packet transmitted by the transmitting device to the receiving device. | 2009-11-26 |
20090290699 | Pseudo caller ID message formation and transmission method and apparatus - A telephone seizure apparatus ( | 2009-11-26 |
20090290700 | CALL AMOUNT ESTIMATING METHOD - A management server | 2009-11-26 |
20090290701 | SESSION BOARD CONTROLLER BASED POST CALL ROUTING FOR CUSTOMER FEEDBACK APPLICATION - Embodiments of the invention include a method for handling communication sessions by a central gateway, such as session border controller. The method may include receiving an indication that the interaction between a customer and an agent has ended and automatically routing by the session border controller the customer to an automated feedback application. | 2009-11-26 |
20090290702 | AUTOMATED AGENT AVAILABILITY DETECTION - A system for automatically detecting status of an agent in a call center is provided. The system may have a call center management system with a plurality of agent workstations coupled to the call center management system and a plurality of telephones associated with the agent workstations. The system may also have a switch that automatically connects calls to the telephones. An off-hook detector automatically detects a manually initiated off-hook status of at least one of the telephones and signals the switch that the agent at the telephones is unavailable. The switch may then avoid connecting a call to the unavailable agent. | 2009-11-26 |
20090290703 | Provision of Alternative Telecommunication Services - Apparatus for providing a plurality of alternative telecommunications services to a plurality of users ( | 2009-11-26 |
20090290704 | METHOD FOR PROTECTING A CAP FILE FOR AN IC CARD - A method for protecting a CAP file including one or more applets to be installed in an IC Card, includes the applets encoding into the CAP file by a CAP file provider. The method also includes the CAP file downloading into the IC Card by a CAP file issuer, and storing an installation program inside the IC Card. The installation program extracts the applets from the CAP file and installs them in the IC Card, after the downloading. The CAP file provider encrypts the CAP file into a protected CAP file to avoid the applets being extracted before the downloading. The IC Card includes a decryption circuit for decrypting the protected CAP file downloaded into the IC Card. The installation of the applet is enabled by the decryption circuit. | 2009-11-26 |
20090290705 | Algorithms for generating parameters for genus 2 hyperelliptic curve cryptography - An exemplary method includes defining a CM field, representing coefficients of a Frobenius element of a hyperelliptic curve over a prime field as non-linear polynomials that are functions of an integer x and selecting a value for x whereby the product of the Frobenius element and its complex conjugate is a prime number. Such a method may further include determining the order of the Jacobian of the hyperelliptic curve, for example, where the order is an almost prime number. Various other methods, devices, systems, etc., are also disclosed, which may be optionally used for cryptography. | 2009-11-26 |
20090290706 | Methods and Apparatus for Secure and Adaptive Delivery of Multimedia Content - Techniques for securely and adaptively delivering multimedia content are disclosed in which a set of alternate access units for each time slot is obtained. Then, the encryption stream index of each access unit from the set of alternate access units of the previous time slot are obtained. An encryption stream index is then assigned to each access unit in the set of alternate access units in the current time slot, such that the encryption index increases over time. Thus, the invention overcomes the problem of encrypting a multimedia stream that may have multiple access units for each time slot by selecting the encryption index for each access unit such that the encryption index increases, regardless of which access unit the delivery system (e.g., server) selects for transmission. | 2009-11-26 |
20090290707 | Generating and Securing Multiple Archive Keys - A method and apparatus for generating multiple keys for a set of archives or portions of a set of archives. The process includes receiving a passphrase from a user and an indicator of a set of archives to be modified or created. An archive key generation process can be based on a random value generation, an algorithm for generating keys with specific characteristics, an indexing scheme, a progressive enciphering scheme or a shared secret scheme. The generated keys are enciphered using an enciphering algorithm in combination with the passphrase. The archive keys are stored with the archives in their enciphered form. Other intermediate key information is also stored with the archive to enable deciphering of the set of archives using the passphrase as needed. | 2009-11-26 |
20090290708 | Generating and Securing Archive Keys - Described herein is a method and apparatus for managing archives. The archive management process receives a passphrase and an indicator of an archive to be managed. The passphrase is used to encipher or decipher an archive key dependent on whether data is to be inserted or extracted from the archive key. The passphrase can be changed by re-enciphering the archive key. | 2009-11-26 |
20090290709 | HARDWARE-BASED OUTPUT PROTECTION OF MULTIPLE VIDEO STREAMS - Computer-readable media, computerized methods, and computer systems for managing dynamic allocation of one or more protected memory segments for storing content of secure data are provided. Initially, the secure data is recognized as being carried by a media stream being communicated from a media-reading device. One or more protected target segments and protected target segments are instantiated, where these protected memory segments are protected from illicit access by hardware-based rules. Regions of hardware memory are dynamically allocated to hold these protected memory segments and the secure data is iteratively written thereto. The protected source segments are associating with the media stream based on a license attached thereto, while the protected target segments are associating with presentation devices based on a standard of output protection supported thereby. Accordingly, the protected source segments are mapped to the protected target segments according to whether the license encompasses the standard of the output protection. | 2009-11-26 |
20090290710 | UNLOCKING A PROTECTED PORTABLE STORAGE MEDIUM - The invention relates to a method, a media player ( | 2009-11-26 |
20090290711 | Method, Apparatus and System for Secure Distribution of Content - Embodiments of the present invention provide a method, apparatus and system for the secure distribution of content such as audiovisual content in a way that prevents users from misusing the content and provides a mechanism for tracking pirated material back to the original location of misappropriation. A security device, in accordance with one embodiment of the present invention, incorporates encryption methods to insure the broadcast encryption key remains secure. A marking device, in accordance with one embodiment of the present invention, incorporates, for example, digital watermarking methods that attach to the content information to identify a location of origin of the misappropriation, such as a Set-top Box (STB) and/or smart card. | 2009-11-26 |
20090290712 | ON-DIE CRYPTOGRAPHIC APPARATUS IN A SECURE MICROPROCESSOR - An apparatus providing for a secure execution environment, including a secure non-volatile memory and a microprocessor. The secure non-volatile memory stores a secure application program. The secure application program is encrypted according to a cryptographic algorithm. The microprocessor is coupled to the secure non-volatile memory via a private bus and to a system memory via a system bus. The microprocessor executes non-secure application programs and the secure application program. The non-secure application programs are accessed from the system memory via the system bus. Transactions over the private bus are isolated from the system bus and corresponding system bus resources within the microprocessor. The microprocessor has a cryptographic unit, disposed within execution logic. The cryptographic unit is configured to encrypt the secure application program for storage in the secure non-volatile memory, and is configured to decrypt the secure application program for execution by the microprocessor. | 2009-11-26 |
20090290713 | Privacy-aware content protection system - A method for preventing rendering of content at overlapping time periods on more rendering devices than permitted by a license associated with the content is disclosed. The method includes: transmitting the following to a rendering device of a user: the content, first software that is operative to receive the content and to associate keys with the content, identification information (ID) that is associated with the user, and second software that comprises a player for rendering the content, receiving the following information from the rendering device during rendering of the content: a number representation X which comprises a number representation in bits of a result obtained from encrypting together a number representation of a present time interval and the ID, both encrypted with a public key of a key pair generated at the rendering device, and a number representation which comprises a number representation in bits of a share (SH) of a private key of the key pair generated at the rendering device, and detecting an attempt to render the content at overlapping time periods on more rendering devices than permitted by the license associated with the content based on a determination that number representations X received from separate rendering devices are identical, and number representations Y received from the separate rendering devices and paired with the number representations X received from the separate rendering devices are different. Related apparatus and methods are also disclosed. | 2009-11-26 |
20090290714 | Protocol for Verifying Integrity of Remote Data - An exemplary method for verifying the integrity of remotely stored data includes providing a key; providing a fingerprint, the fingerprint generated using the key in a keyed cryptographic hash function as applied to data of known integrity; sending the key to a remote storage location that stores a copy of the data of known integrity; receiving a fingerprint from the remote storage location, the fingerprint generated using the key in a keyed cryptographic hash function as applied to the remotely stored copy of the data; and verifying the integrity of the remotely stored copy of the data based at least in part on comparing the provided fingerprint to the received fingerprint. Other exemplary methods, systems, etc., are also disclosed. | 2009-11-26 |
20090290715 | Security architecture for peer-to-peer storage system - An exemplary method includes receiving a request to register a peer in a peer-to-peer system; generating or selecting a transaction key for the peer; storing the transaction key in association with registration information for the peer; transmitting the transaction key to the peer and, in response to a request to perform a desired peer-to-peer transaction by another peer, generating a token, based at least in part on the transaction key. Such a token allows for secure transactions in a peer-to-peer system including remote storage of data and retrieval of remotely stored data. Other exemplary techniques are also disclosed including exemplary modules for a peer-to-peer server and peers in a peer-to-peer system. | 2009-11-26 |
20090290716 | DIGITAL SOFTWARE LICENSE PROCUREMENT - A digital software licensing system including one or more subsystems to issue an order for one or more software licenses to a software vendor, receive from the vendor a wrapped license file, decrypt the wrapped license file using a manufacturer private key and verify authenticity of wrapped license file using a vendor public key. The wrapped license file includes a list of license keys which are signed using a vendor private key and encrypted using the manufacturer public key. | 2009-11-26 |
20090290717 | DELAY TIME CALCULATION APPARATUS, DELAY TIME CALCULATION METHOD, AND STORAGE MEDIUM STORING PROGRAM THEREFOR - A delay time calculation apparatus that enables all of speaker units constituting a speaker array to contribute to the formation of a combined wavefront directed to an area specified by a user. The delay time calculation apparatus includes a delay time calculation unit that calculates delay times of delayed audio signals supplied to the speaker units such that a ratio at which an evaluation object area is occupied by an area to which an acoustic wave output from each speaker unit reaches earlier than acoustic waves output from the other speaker units falls within a predetermined range. The evaluation object area is a target area to which a combined wavefront of acoustic waves output from the speaker units is directed, or is a perspective projection image of the target area onto a predetermined evaluation plane. | 2009-11-26 |
20090290718 | Method and Apparatus for Adjusting Audio for a User Environment - The method defines a user environment based on detected motion data and/or ambient noise data. The user environment is then used to apply an appropriate audio adjustment mode. In one embodiment, the user environment definition further includes location data. In one embodiment, the location data is obtained from one of: a global positioning system (GPS), and network triangulation. | 2009-11-26 |
20090290719 | STETHOSCOPIC ASSEMBLY WITH RECORD/PLAYBACK FEATURE - A stethoscopic assembly includes a stethoscope having a chest piece interconnected to at least one earpiece, the chest piece having an acoustical sensor enabling patient sounds to be heard through the at least one earpiece. A microprocessor connected to the acoustical sensor of the stethoscope includes a buffer wherein sound data picked up from the microphone is stored in volatile memory for a predetermined time period. At least one user operable switch connected to the microprocessor enables selective capture of sound data for storage and playback, such as through at least one speaker. In some versions the acoustical sensor is releasable from the chest piece. | 2009-11-26 |
20090290720 | Audio System - An audio system comprises at least one pair of wireless headphones having an active operating mode and an inactive operating mode, the at least one pair of headphones comprising a solid-state audio player, a rechargeable battery, means for connecting to a computer, means for charging the battery, and a motion sensor, wherein the motion sensor detects movement of the headphones and causes headphones to be put into inactive mode when no motion is detected for a certain period of time and causes headphones to be put back into active mode when motion is detected. | 2009-11-26 |
20090290721 | Method and System for Automatic Level Reduction - A method to automatically adjust listening levels to safe listening levels is provided. The method can include the steps of monitoring an audio content level, monitoring a sound pressure level within an the ear canal, and gradually reducing over time a volume of the audio content responsive to detecting intermittent manual volume increases of the audio content. Other embodiments are disclosed. | 2009-11-26 |
20090290722 | AUDIBLE PRODUCT INFORMATION DEVICE - Another example of an audible product information device for placing proximate and associated consumer product includes a housing and electrical components in the housing configured to operate in a playback mode, a record more, and a standby mode. The electrical components include a controller, a record playback device for storing and playing an audible product information message, a speaker for audibly outputting the audible product information message, battery contact terminals in electrical communication with the record/playback device, an activation switch for starting a playback of the product information message, and a recording switch for starting a recording of the product information message. A method for providing an audible product information message to a consumer is also disclosed. | 2009-11-26 |
20090290723 | Two-way speaker system - A two-way speaker system for a vehicle comprising an exterior two-way speaker, an interior two-way speaker, and a power inverter to power the system from the vehicle battery. | 2009-11-26 |
20090290724 | LOUDSPEAKER SYSTEM AND LOUDSPEAKER HAVING A TWEETER ARRAY - A loudspeaker system includes at least two stand-alone loudspeaker devices ( | 2009-11-26 |
20090290725 | AUTOMATIC EQUALIZER ADJUSTMENT SETTING FOR PLAYBACK OF MEDIA ASSETS - Systems and methods are disclosed in which correspondences with content or other media assets can be established such that a media player or portable media device can automatically modify or adjust an equalizer setting based on information associated with the content or other media assets. The media player may automatically adjust one or more equalizer settings based on genre, artist, album, or the like. In some embodiments, metadata associated with content or other media assets can be analyzed to determine normalized data thereby potentially grouping content into supersets. Based on the normalized data, the media player may automatically adjust equalizer settings for each superset or grouping of content. Correspondences with one or more accessories may be established such that the media player can automatically modify or adjust an equalizer setting based on the one or more accessories. | 2009-11-26 |
20090290726 | Announcement System for a Building Transport - An announcement system ( | 2009-11-26 |
20090290727 | HYBRID DIGITAL/ANALOG LOUDNESS-COMPENSATING VOLUME CONTROL - A loudness-compensating volume control method imposes a desired loudness scaling on an audio signal by processing the audio signal in both the digital and analog domains by receiving a desired loudness scaling, deriving a wideband gain component and one or more other gain components from the desired loudness scaling, applying in the digital domain modifications to the audio signal based on the one or more other gain components to produce a partly-modified audio signal, and applying in the analog domain modifications to the partly-modified audio signal based on the wideband gain component. Additional loudness modifications other than volume control loudness modifications on the audio signal may also be imposed. | 2009-11-26 |
20090290728 | DYNAMIC CONTOURED-SOUND/SUBWOOFER-SYNTHESIS AUDIO SYSTEM - A dynamic contoured-sound/subwoofer-synthesis system including an adjustable high pass filter coupled to the input terminal, the high pass filter being designed to provide a variety of frequency response shapes in response to adjustments thereof. A primary amplifier is coupled to receive one of the variety of frequency response shapes from the adjustable high pass filter and includes a main operational amplifier (op-amp) with the inverting input coupled to the adjustable high pass filter through a series connected input capacitor and input resistor. The primary amplifier provides low frequency signal gain and shaping of the received frequency response shape. A high frequency signal shaping circuit includes a feedback op-amp coupled to the inverting input of the main op-amp through a feedback resistor and a feedback capacitor. | 2009-11-26 |
20090290729 | CATEGORIZATION PLATFORM, METHOD FOR CATEGORIZATION AND METHOD FOR MICROPHONE ARRAY MANUFACTURING - The invention provides a categorization platform and method for microphone array manufacturing. The categorization platform is attachable to a test microphone, comprising a digital signal processor. The digital signal processor categorizes the test microphone based on characteristics of the test microphone. The characteristics of the test microphone are phase mismatch, sensitivity mismatch or impedance mismatch in comparison with a reference microphone. | 2009-11-26 |
20090290730 | BONE CONDUCTION SPEAKER - A bone conductive speaker in which the hearing of external sounds is not inhibited because the earhole is not closed, the hearing efficiency is high and the sound leakage is small because the tragus portion is vibrated locally, and moreover the configuration is simple and the putting-on and taking-off operations are easy to perform. The bone conductive speaker comprises a bone conductive speaker body ( | 2009-11-26 |
20090290731 | Circuit arrangement for the bidirectional operation of a sound transducers disposed at the ends of a measuring section - A sensor circuit for a flow sensor comprises terminating impedances connected in parallel to the sound transducers and has a signal generator, which is configured as a power source. The circuit arrangement is suitable particularly for the operation of an airflow sensor in internal combustion engines. | 2009-11-26 |
20090290732 | Bending Wave Acoustic Device and Method of Making Thereof - An acoustic device and method of making said acoustic device. The acoustic device comprises a diaphragm having resonant bending wave modes in the operating frequency range, and a plurality of electromechanical transducers coupled to the diaphragm. The positioning and mechanical impedance of the transducers are such that at least a selected number of the resonant bending wave modes are balanced so that the net transverse modal velocity over the area of the diaphragm tends to zero with the balancing of the resonant bending wave modes being achieved substantially by the positioning and mechanical impedance of the transducers. The parameters of the diaphragm may be such that there are a plurality of nodal grouped locations at or around which the nodal lines of a selected number of resonant modes are clustered. Each transducer may be mounted at one of the plurality of nodal grouped locations. | 2009-11-26 |
20090290733 | SYSTEMS AND METHODS FOR CUSTOMIZING A HEARING AID CASING - Systems and methods are provided for customizing a hearing aid casing. A user accesses a software program that allows him or her to select a type of a hearing aid. The software program further allows the user to select a motif to be displayed on at least a portion of the hearing aid casing. The software program may automatically size the selected motif based on the type of the hearing aid selected, and the selected motif may be printed on a film. The film then is coupled to the hearing aid casing to display the motif on one or more surfaces of the hearing aid casing. | 2009-11-26 |
20090290734 | HEARING APPARATUS WITH AN EQUALIZATION FILTER IN THE FILTER BANK SYSTEM - Multi-stage filter bank systems with filter banks of different bandwidth frequently cause interference in hearing apparatuses and in particular in hearing devices. Therefore a hearing apparatus is proposed with a filter bank system having a multi-stage analysis filter bank and/or a multi-stage synthesis filter bank, to break down an input signal of the hearing apparatus into a number of partial band signals by way of a number of filter bank channels and/or to recombine partial band signals of a number of filter bank channels. The filter bank system is equipped with at least one equalization filter, to equalize differences in the complex frequency responses between filter bank channels. It is thus possible in particular to equalize group delay time differences as well as attenuation and/or amplification | 2009-11-26 |
20090290735 | Concha/open canal hearing aid apparatus and method - An improved hearing aid and method that employs a combination microphone/speaker, sized to have the microphone inserted within the concha bowl of the outer ear and the speaker is inserted within which the opening of the ear canal such that it does not obstruct the same for more natural hearing. | 2009-11-26 |
20090290736 | FILTER BANK SYSTEM FOR HEARING AIDS - The object of the invention is to make sub-band processing in hearing aids less computationally intensive. For this purpose a filter bank system comprising an analysis filter bank for decomposing an input signal into sub-band signals, a processing device for amplifying at least one of the sub-band signals, and a synthesis filter bank for combining the processed sub-band signals into an output signal is provided. The sub-band signals are oversampled and downsampled compared to the input signal. The stopband attenuations of the individual filters of the AFB and SFB are at least as high as a predefined signal-to-noise ratio increased by an attenuation value which is a function of the oversampling factor, the downsampling factor and possibly the gain. The magnitude frequency response of the SFB is approximately matched to the magnitude frequency response of the AFB. | 2009-11-26 |