26th week of 2011 patent applcation highlights part 39 |
Patent application number | Title | Published |
20110158352 | APPARATUS AND METHOD OF MULTI-STAGE HIGH BIT PER SYMBOL ANALOG DEMODULATION - A multi-stage demodulation circuit receives a given communication signal modulated by a superposition of at least a first modulation scheme and a second modulation scheme, the circuit having a first demodulation stage that demodulates the received communication signal according to the first demodulation scheme, and generates one or more bits representing the first modulation state of the signal. An intermediate demodulation circuit removes the first modulation from the received communication signal to generate an intermediate demodulation signal having only the second modulation. A second demodulation stage demodulates the intermediate demodulation signal according to the second demodulation scheme and generates one or more additional bits representing the second modulation state of the given communication signal. Optionally, another demodulation stage removes the first modulation and the second modulation from the given communication signal, detects a third modulation and generates additional bits representing the third modulation state. | 2011-06-30 |
20110158353 | ORTHOGONALITY DETECTOR, AND QUADRATURE DEMODULATOR AND SAMPLING QUADRATURE DEMODULATOR USING DETECTOR THEREOF - To detect phase mismatches between in-phase and quadrature signals of a quadrature demodulator. The phase mismatches can be detected using the signals obtained by removing high frequency components of output of a multiplier by a low pass filter, the output being the product of the in-phase signals of which low frequency components are removed by a first high pass filter by the quadrature signals of which low frequency components are removed by a second high pass filter. | 2011-06-30 |
20110158354 | RECEIVER, RECEIVING METHOD, PROGRAM AND RECEIVING SYSTEM - Disclosed herein is a receiver including a receiving section, a first sorting section, a second sorting section, and a switching section. | 2011-06-30 |
20110158355 | RECEPTION APPARATUS, RECEPTION METHOD, PROGRAM, AND RECEPTION SYSTEM - A reception apparatus is disclosed which includes: a reception section configured to receive an orthogonal frequency division multiplexing signal known as an OFDM signal formed by modulating common packet sequences and data packet sequences, the common packet sequences being made up of packets common to a plurality of streams, the data packet sequences being constituted by packets unique to each of the plurality of streams; an acquisition section configured to acquire decoding information for decoding the original streams from the common packet sequences and the data packet sequences obtained by demodulating the received OFDM signal; and a search section configured to search for the common packet sequence needed to decode the original streams from the designated data packet sequence on the basis of the acquired decoding information. | 2011-06-30 |
20110158356 | Apparatus and Method for Determining Signal Power - An apparatus for determining signal power comprise an oscillating circuit and a determining circuit. The oscillating circuit generates an oscillating signal. When a to-be-detected signal has signal power greater than a threshold, the oscillating signal has a first frequency; when the signal power is smaller than the threshold, the oscillating signal has a second frequency. The determining circuit determines whether the oscillating signal has either the first frequency or the second frequency, and generates a determination result accordingly. | 2011-06-30 |
20110158357 | ANTENNA DIVERSITY SYSTEM WITH FRAME SYNCHRONIZATION - In an embodiment, a tuner circuit includes circuitry to produce a first DSP frame based on a first RF signal and includes an inter-chip receiver circuit coupled to an inter-chip link and configured to receive an inter-chip frame. The inter-chip receiver circuit is configured to detect a start of frame symbol of the inter-chip frame and to extract a DSP offset and data related to a second DSP frame from the inter-chip frame. The tuner circuit further includes a digital signal processor coupled to the circuitry and to the inter-chip receiver circuit. The digital signal processor is to synchronize the first DSP frame with the second DSP frame based on the start of frame symbol and the digital signal processor offset, the digital signal processor configured to perform a selected antenna diversity operation on the first and second DSP frames to produce an output signal. | 2011-06-30 |
20110158358 | System for selecting a sample phase based on channel capacity - The present invention provides a system for selecting a sample phase based on channel capacity. A synchronizer calculates a carrier frequency offset, a sample timing offset, a sampling conversion rate and a frame timing, and counts the candidate sample phases. A digital mixer conducts frequency offset compensation to produce a frequency compensated baseband signal. An interpolator conducts interpolation to compensate and produce an interpolated baseband signal. A digital matched filter performs filtering to produce an over-sampled and filtered baseband signal. A buffer stores the over-sampled and filtered baseband signal. A channel estimator estimates and produces channel frequency responses. A sample phase selector calculates channel capacity corresponding to each candidate sample phase, and selects the one with maximum channel capacity. A down-sampler conducts down-sampling operation to produce the final symbol rate based baseband signal. As such, symbol synchronization can be achieved with enhanced performance. | 2011-06-30 |
20110158359 | ITERATIVE DECODING AND DEMODULATION WITH FEEDBACK ATTENUATION - An iterative demodulator and decoder uses feedback attenuation to maintain proper balance between the demodulator and decoder. Balance is maintained by attenuating the influence of extrinsic information fed back from the decoder to the demodulator to prevent strong decisions by the decoder from overwhelming the demodulator. | 2011-06-30 |
20110158360 | SNR-Based Blanking Scheme for Impulsive Noise Mitigation in Wireless Networks - A blanking scheme for mitigating impulsive noise in wireless networks is based on the signal-to-noise ratio (SNR) of symbols. To fully gain the benefits of the SNR-based blanking scheme, two methods are developed, namely a multi-level thresholding scheme in the time-, spatial- and frequency-domains, and a weighted-input error-correction decoding. The symbols are conditioned as a function of the estimated SNR in time-, frequency-, or spatial-domains or combinations therefore, and the conditioning is applied to an amplitude, phase, or energy level, or combinations thereof. | 2011-06-30 |
20110158361 | RADIO CHANNEL ANALYZER TO DETERMINE DOPPLER SHIFTS ACROSS MULTIPLE FREQUENCIES OF A WIDEBAND SIGNAL - A receiver and receive processing method described herein improves the accuracy of channel estimates by correcting for the assumption that the Doppler shift (or rate-of-change-of-delay) stays constant for each frequency within a signal bandwidth of a received signal. To that end, a receiver according to the present invention comprises a channel processor having multiple processing units. A first processing unit processes reference values (e.g., pilot signals) received for each of a plurality of frequencies within a signal bandwidth at a plurality of different signal times (or the complex propagation channel coefficients estimated therefrom) to determine a set of complex wave amplitudes either for each of multiple frequencies in the signal bandwidth or for each of the different signal times. A second processing unit subsequently processes the complex wave amplitudes to determine complex scattering coefficients, where each complex scattering coefficient corresponds to a respective scattering object in the wireless communication channel. | 2011-06-30 |
20110158362 | METHOD AND SYSTEM FOR A MULTIPLE-STREAM SFBC/STBC USING ANGLE FEEDBACK - Aspects of a method and system for a multiple-stream SFBC/STBC using angle feedback are presented. In one aspect of the method and system signals from M distinct spatial streams (N | 2011-06-30 |
20110158363 | Method for Determining Updated Filter Coefficients of an Adaptive Filter Adapted by an LMS Algorithm with Pre-Whitening - The application relates to a method for determining at least one updated filter coefficient of an adaptive filter ( | 2011-06-30 |
20110158364 | CLOCK SYNCHRONIZATION FOR A WIRELESS COMMUNICATIONS SYSTEM - Clock synchronization for a wireless communication system is described. The communication system utilizes a server with a radio coupled to receive a radio frequency (RF) signal and a clock interface to receive a reference clock signal. The server includes a network interface configured to receive, from a base station, a time that the RF signal was received at the base station. The server further includes a processing device configured to determine when the RF signal was transmitted and a location of the base station, and configured to calculate clock offset value representative of a time to delay a local clock signal at the base station to synchronize the local clock signal at the base station with the reference clock signal. | 2011-06-30 |
20110158365 | LOOP BANDWIDTH ENHANCEMENT TECHNIQUE FOR A DIGITAL PLL AND A HF DIVIDER THAT ENABLES THIS TECHNIQUE - A method of operating a phase locked loop (FIG. | 2011-06-30 |
20110158366 | Clock Recovery Apparatus - A clock recovery apparatus includes a mask generator configured to generate a plurality of time masks using a multi-phase clock signal and a clock recovery unit configured to select one of the time masks to recover a clock from a data stream. | 2011-06-30 |
20110158367 | DUAL FREQUENCY TRACKING LOOP FOR OFDMA SYSTEMS - Methods and apparatus for correcting frequency errors between a carrier frequency of a signal received by a wireless device and a reference frequency local to the device. For certain aspects, such a method generally includes receiving a signal in a receiver having an LO producing a reference frequency, a radio frequency (RF) phase-locked loop (PLL), and a digital rotator, estimating a frequency difference between a carrier frequency of the received signal and the LO reference frequency, and applying the estimated frequency difference to the RF PLL and the digital rotator. | 2011-06-30 |
20110158368 | LOOP BANDWIDTH ENHANCEMENT TECHNIQUE FOR A DIGITAL PLL AND A HF DIVIDER THAT ENABLES THIS TECHNIQUE - A method of operating a phase locked loop (FIG. | 2011-06-30 |
20110158369 | Cellular, electron cooled storage ring system and method for fusion power generation - A cellular electron cooled storage ring system and method for achieving particle-fusion based energy, including a vacuum chamber to allow electron beam and ion beam merging and separation, cathodes to generate the electron beams, collectors to collect the electron beams, and magnetic field generation devices to guide the electrons and ions on their desired trajectories as well as contain neutralizing particles. By overlapping the electron and ion beams, thermal energy is transferred from the ion beams to the electron beams, which allows the invention to overcome particle losses due to resonances, scattering and heating of the ion beams. Advantageously, ions are accelerated to an energy that is near optimum for fusion reactions to occur, and uses electron energies that maintain this advantageous situation. Advantageously, the recirculation of ions that do not fuse or scatter at too large of an angle is allowed, giving such ions additional chances to participate in a desired fusion reaction. Advantageously, the invention allows for a continual addition of new ions to be added to the circulating ions already in the system. This combination of advantages results in a significant improvement in the predicted output power to input power ratio over previous particle fusion technologies. The invention will also enable improved yields of fast neutrons for materials testing. | 2011-06-30 |
20110158370 | Offshore energy carrier production plant - Disclosed is an offshore fixed, moored, or mobile energy carrier production plant. The plant's energy source for the energy intensive processes of producing an energy carrier is nuclear in nature and the resulting energy carriers of the plant range from hydrogen to hydrocarbons such as methanol and jet fuel. The offshore energy carrier production plant will be able to produce energy carriers at a reduced cost, increased sustainability and scalability, increased safety, and with fewer environmental and social impacts than heretofore possible. The resulting energy carrier products can then be transported by marine vessels, pipelines, and other transportation means or any combination of transportation means thereof to be distributed to end use energy carrier consuming devices and products such as fuel cell applications in a variety of industries as well as internal combustion engines. | 2011-06-30 |
20110158371 | PRESSURIZED WATER REACTOR PLANT - According to an embodiment, a pressurized water reactor plant has a primary system which includes: a reactor vessel for housing a reactor core which is cooled by a primary coolant, a single steam generator, a hot leg pipe for connecting the reactor vessel and the steam generator, cold leg pipes, at least two primary coolant pumps, and a pressurizer for pressurizing the primary coolant pressure boundary in which the primary coolant flows. The plant also has: a passive cooling and depressurization system which is a primary depressurization means for equalizing the primary system pressure to the secondary system pressure at the time of a tube rupture accident of the steam generator, and a reactor containment vessel containing the primary system and cooling the primary system by air cooling. Thus, a compact pressurized water rector with high economic efficiency, safety, and reliability can be provided. | 2011-06-30 |
20110158372 | SHOCK-ABSORBING DEVICE FOR FUEL ASSEMBLY AND FUEL ASSEMBLY HOUSING CONTAINER - A fuel assembly | 2011-06-30 |
20110158373 | Nuclear Fuel Assembly Bottom Nozzle - A nuclear fuel assembly bottom nozzle, of the type including a perforated plate to allow water to pass through it, the nozzle having lateral faces, and at least one anti-debris element positioned on a lateral face to block out debris likely to infiltrate between the bottom nozzle and another adjacent bottom nozzle, characterized in that, in the free state, the or each anti-debris element permanently projects from the lateral face on which it is positioned, the or each anti-debris element being elastically deformable so as to retract towards the lateral face in the event of a force being exerted on the anti-debris element towards the lateral face. | 2011-06-30 |
20110158374 | ALLOY AND TUBE FOR NUCLEAR FUEL ASSEMBLY AND METHOD FOR MAKING SAME - The invention concerns an alloy containing equally 0.02 to 0.07% wt. % of the total iron, of chromium or vanadium, 0.8 to 1.3 wt. % of niobium, 100 ppm or less of tin, 1100 to 1700 ppm of oxygen, less than 100 ppm of carbon, 10 to 30 ppm of sulphur and less than 50 ppm of silicon. | 2011-06-30 |
20110158375 | FUEL ASSEMBLY - A fuel assembly has a regular dodecagon fuel rod arrangement with a single fuel rod provided to each apex of a regular dodecagon having lines of length A. Assuming a direction within a horizontal plane is transverse, and a direction perpendicular to the transverse direction is longitudinal, regular dodecagon fuel rod arrangements are arranged in regular intervals in the transverse direction and the longitudinal direction. In the transverse direction, two adjacent regular dodecagon fuel rod arrangements are arranged having opposing two sides of the regular dodecagons parallel to each other with the distance of mA, wherein m is a nonnegative integer, apart from each other. With respect to the longitudinal direction, two adjacent regular dodecagon fuel rod arrangements are arranged so that the opposing two sides of the regular dodecagons are parallel to each other with the distance of nA, wherein n is a nonnegative integer, apart from each other. | 2011-06-30 |
20110158376 | SHIFT REGISTER - A shift register comprises a plurality of stages, {S | 2011-06-30 |
20110158377 | SHIFT REGISTER CIRCUIT - A shift register circuit with waveform-shaping function includes plural shift register stages. Each shift register stage includes a first input unit, a pull-up unit, a pull-down circuit, a second input unit, a control unit and a waveform-shaping unit. The first input unit is utilized for outputting a first driving control voltage in response to a first gate signal. The pull-up unit pulls up a second gate signal in response to the first driving control voltage. The pull-down circuit is employed to pull down the first driving control voltage and the second gate signal. The second input unit is utilized for outputting a second driving control voltage in response to the first gate signal. The control unit provides a control signal in response to the second driving control voltage and an auxiliary signal. The waveform-shaping unit performs a waveform-shaping operation on the second gate signal in response to the control signal. | 2011-06-30 |
20110158378 | Neuron MOS Transistor based Multi-Valued Counter Unit and Multi-Digit Multi-Valued Counter - The present invention discloses a neuron MOS based multi-valued counter unit. The counter unit includes a neuron MOS source follower and at least a control gate connected the neuron MOS source follower. The control gate includes a first dual-value D flip-flop, a second dual-value D flip-flop, an AND gate, and an OR gate. The present invention utilizes the neuron MOS to replace the complicated threshold value operations of the multi-value logic. The current invention implements the true multi-value logic and a multi-base multi-value counter by increasing the number of the dual-value D flip-flop, and connecting the dual-value D flip-flop to the input control gate of the neuron MOS follower. Comparing to the conventional multi-value counter, the present invention reduces the necessary components in constructing the counter, and it also reduces the cost and power consumption. The present invention applies the asynchronous carry-over concept to implement the multi-digit multi-value counter, and it also has been verified by the simulation of P Simulation Program with Integrated Circuit Emphasis (SPICE). | 2011-06-30 |
20110158379 | COMPUTED TOMOGRAPHY SYSTEM HAVING NANO-SPATIAL RESOLUTION - Provide is a computed tomography (CT) system having a nano-spatial resolution. The computed tomography system can obtain a 3-dimensional image having the nano-spatial resolution of less than about 100 nm from a 2-dimension image generated by limiting a thickness of a bio sample such as cells and micro-tissues or an industrial solid sample such as a semiconductor chip to a thickness of less than about 100 μm, enlarging an X-ray transmitting the sample to a high magnification of greater than about 100× using a diffractive optic having a magnification of greater than about 100× such as a zone plate, and condensing the X-ray. When the CT system having the nano-spatial resolution is used, the 3-dimensional image having the nano-spatial resolution of less than about 100 nm may be obtained from the bio sample and industrial solid sample having a thickness of less than about 100 μm that is not observed using a conventional CT system including a cone-shaped light source unit. Therefore, an internal structure (an internal short-circuit of a semiconductor chip) of the sample may be very easily detected. | 2011-06-30 |
20110158380 | X-RAY COMPUTED TOMOGRAPHY APPARATUS - In one embodiment, an X-ray computed tomography apparatus includes an X-ray tube, an X-ray detector, a rotating mechanism, a high voltage generating unit, a reconstruction processing unit, a projection image generating unit configured to generate a projection image based on output from the X-ray detector, an image display unit, and a fluoroscopy control unit configured to control the rotating mechanism, the high voltage generating unit, the X-ray detector, the projection image generating unit and the image display unit to implement stereo fluoroscopy. | 2011-06-30 |
20110158381 | 2D REFLECTOR AND COLLIMATOR STRUCTURE AND METHOD OF MANUFACTURING THEREOF - A two dimensional collimator assembly and method of manufacturing thereof is disclosed. The collimator assembly includes a wall structure constructed to form a two dimensional array of channels to collimate x-rays. The wall structure further includes a first portion positioned proximate the object to be scanned and configured to absorb scattered x-rays and a second portion formed integrally with the first portion and extending out from the first portion away from the object to be scanned. The first portion of the wall structure has a height greater than a height of the second portion of the wall structure. The second portion of the wall structure includes a reflective material coated thereon in each of the channels forming the two dimensional array of channels. | 2011-06-30 |
20110158382 | ROTATING RING APPARATUS - The present invention relates to a rotating ring apparatus comprising: —a stationary ring ( | 2011-06-30 |
20110158383 | METHOD AND SYSTEM FOR AUTOMATICALLY POSITIONING A MAMMOGRAPHY IMAGING SYSTEM - A method and system for automatically adjusting the gantry position to the breast height level of a patient. The automated height adjustment system for mammography imaging systems having a movable gantry associated with a fixed vertical support, comprises a tracking unit for tracking a patient's breast height level during patient's initial mammography procedure; and memory for storing the tracked breast height level along with the patient identification information. The system further comprises a processor configured to access the breast height level using the patient identification information during subsequent mammography procedures for the patient; and a drive mechanism capable of automatically adjusting the height of the gantry based on the accessed breast height level. | 2011-06-30 |
20110158384 | GAMMA RADIATION IMAGING APPARATUS - A gamma radiation imaging apparatus, in particular a gamma radiation breast imaging apparatus, comprising an object positioning device ( | 2011-06-30 |
20110158385 | RADIOGRAPHIC IMAGE CAPTURING SYSTEM - A radiographic image capturing system includes a radiographic image capturing device, a radiation irradiating device, and a control device. The radiographic image capturing device is capable of performing fluoroscopic imaging, and carries out capturing of radiographic images continuously. The radiation irradiating device performs continuous irradiation or pulse irradiation with respect to the radiographic image capturing device at a time of fluoroscopic imaging. The control device has a controller that effects control such that, in a case in which a frame rate of fluoroscopic imaging is low, the radiation irradiating device performs fluoroscopic imaging by the continuous irradiation with respect to the radiographic image capturing device. | 2011-06-30 |
20110158386 | METHOD AND SYSTEM FOR MEASURING VISCERAL FAT MASS USING DUAL ENERGY X-RAY ABSORPTIOMETRY - Methods and system for measuring visceral fat mass are provided. One method includes acquiring dual-energy two-dimensional (2D) scan information from a dual-energy X-ray scan of a body and generating a dual-energy X-ray image of the body using the 2D scan information. The method further includes identifying a region of interest using the dual-energy X-ray image and determining a subcutaneous fat mass for each of a plurality of sections of the region of interest. The method also includes determining a visceral fat mass for the region of interest based on the determined subcutaneous fat mass for each of the plurality of sections. | 2011-06-30 |
20110158387 | ROBUST RADIATION DETECTOR AND METHOD OF FORMING THE SAME - The present disclosure relates to radiation detectors having a layer of a high Z material, such as tungsten or lead, disposed on a face of a photodetector layer or other underlying layer. In one embodiment, the layer of the high Z material substantially prevents radiation from reaching on or more electronics components or circuits, such as an analog-to-digital conversion ASIC or other circuit. | 2011-06-30 |
20110158388 | RADIOGRAPHIC APPARATUS - An air grid is constructed such that absorbing foil strips, which absorb scattered X-rays, are arranged in a direction parallel to the direction of rows of detecting elements, and that spacing between adjacent shadows among shadows of the absorbing foil strips formed on a flat panel X-ray detector (FPD) as a result of the absorbing foil strips absorbing X-rays is larger than spacing between pixels forming an X-ray image. An image data acquiring unit, a transmittance smoothing unit, a grid data acquiring unit, a shadowless pixel calculating unit, a shadow total quantity calculating unit, a transmittance correcting unit and an X-ray image acquiring unit are provided to remove the shadows with high accuracy by using corrected image data (X-ray transmittances) which constitutes a profile of shadows occurring at an actual time of X-ray imaging of a subject. | 2011-06-30 |
20110158389 | X-RAY IMAGING APPARATUS AND X-RAY IMAGING METHOD - An X-ray imaging apparatus for obtaining information on a phase shift of an X-ray caused by an object comprises: an splitting element for splitting spatially an X-ray emitted from an X-ray generator unit into X-ray beams; an attenuator unit having an arrangement of attenuating elements for receiving the X-ray beams split by the splitting element; and an intensity detector unit for detecting intensities of X-ray beams attenuated by the attenuator unit; and the attenuating element changing continuously the transmission amount of the X-ray depending on the X-ray incident position on the element. | 2011-06-30 |
20110158390 | RADIOGRAPHIC IMAGING APPARATUS - There is provided a radiographic imaging apparatus including: a control unit housing a control section and a power source section; a panel unit housing a radiation detection panel; a connection member that rotatably connects one edge portion of each of the control unit and the panel unit so as to adopt two states: a closed state in which one face of the control unit faces one face of the panel unit, and an open state in which the one face of the control unit and the one face of the panel unit are side-by-side facing in substantially the same direction, wherein in the open state the other face of the panel unit is positioned higher than the other face of the control unit; and a support member positioned below the other face of the panel unit and supporting the panel unit when in the open state. | 2011-06-30 |
20110158391 | SYSTEM AND METHOD FOR VOICE ACTIVATED SIGNALING - A system for facilitating communications with an automated response system includes a database for storing an address book entry. The address book entry includes a location name and contact number for a location that employs an automated response platform that does not accept voice commands. The address book entry also includes at least one stored voice command related to a navigation command of the automated response platform and one stored associated assigned keystroke for the command. A voice response signal digital signal processor receives a voice input from a user corresponding to the stored voice command. A telephonic signal generator is included, such that when the user utters the voice input corresponding to the stored voice command, the system recalls the stored associated assigned keystroke and delivers a signal corresponding to the keystroke as a telephonic signal to the automated response platform. | 2011-06-30 |
20110158392 | INTERACTIVE VOICE RESPONSE (IVR) CLOUD USER INTERFACE - Embodiments of the present invention provide a method, system and computer program product for tag cloud prompting in an interactive voice response (IVR) system. In an embodiment of the invention, an IVR prompting method can include loading a set of options in an option set for a caller to an IVR application from over a network, identifying commonly selected options in the options set in a data store of historically selected options, generating a tag cloud for the option set with options in the option set that are more commonly selected being more emphasized than options in the option set that are less commonly selected, and directing a display of the tag cloud in a telephonic device of the caller. | 2011-06-30 |
20110158393 | COMMUNICATION APPARATUS PERFORMING COMMUNICATION VIA NETWORK USING PHONE NUMBER, CONTROL METHOD FOR THE SAME, AND STORAGE MEDIUM - A communication apparatus that enables to appropriately perform IP filtering even when communication via a network is performed by a user inputting a destination phone number. An IP filter permits or rejects communication on the basis of a set IP address. An input unit inputs a phone number. An acquisition unit acquires an IP address corresponding to the phone number inputted by the input unit from a server connected to the network. A setting unit sets the IP filter so that communication using the IP address acquired by the acquisition unit is permitted. | 2011-06-30 |
20110158394 | SYSTEMS AND METHODS FOR SELECTIVELY PROVIDING MESSAGES IN TELECOMMUNICATIONS SYSTEMS - A telecommunications advertising means is disclosed. The telecommunication advertising means includes an advertisement database coupled to a processing means. The advertisement database stores subscriber specific or third party advertisements that are selectively associated with communications in a telecommunications network. The selective association is carried out by the processing means. In one embodiment, a router is coupled to the advertisement database. The router routes communications from source to destination within the telecommunications network. The router also routes advertisements that have been associated with the communications to the sources and destinations of the communications. A telecommunications system is also disclosed. The telecommunications system comprises a network subsystem, which includes a telecommunications advertising means. The telecommunications advertising means comprises an advertisement database and a processing means. | 2011-06-30 |
20110158395 | VOIP MASTER CALL DETAIL RECORD - A method and system of processing call detail records (CDRs) of multiple network elements in a communication network are disclosed. The method includes identifying at least one final attempt CDR out a plurality of CDRs from the multiple network elements by at least one type of network element. At least one master CDR is built from the identified at least one final attempt CDR. Further, at least one CDR from the plurality of CDRs is correlated to the at least one master CDR according to a correlation rule. Also, the at least one master CDR is then augmented with CDR data from the at least one correlated CDR. | 2011-06-30 |
20110158396 | SYSTEM FOR AND METHOD OF RE-USING PUBLIC DOMAIN IDENTIFICATIONS - A system for and method of re-using telephone number is presented. The system and method may include receiving, via an input/output module, a public call invite request message to establish a communication session between a calling party and a called party, establishing, via the input/output module, a first communication session with the calling party based at least in part on the public call invite request message, transmitting, via a telephone number re-use module, a plurality of private call invite request messages to a plurality of communication devices associated with the called party, establishing, via the telephone number re-use module, a second communication session with the called party based at least in part on the plurality of private call invite request messages, and coupling, via a processing module, the first communication session and the second communication session to establish the communication session between the calling party and the called party. | 2011-06-30 |
20110158397 | Server for Providing Enhanced Services to Contact Center Agents - A technique is disclosed that enables a contact center to provide enhanced services to its agents. An agent server is interconnected with the automatic call distributor (ACD) and agent telephones of the contact center. The server intercepts messages sent by the ACD, which contain caller-provided data obtained by an interactive voice response system. When it is determined that the particular agent has access to both a telephone and a personal computer, the agent server draws a distinction in the information content of the received message. In doing so, the agent server provides the call initialization information in the message to the agent's telephone, and appears as if the information were coming from the ACD; additionally, the agent server provides the caller-provided data to the agent's personal computer. The personal computer is then able to execute a predetermined application, such as a display-oriented presentation application, based on the caller-provided data. | 2011-06-30 |
20110158398 | METHOD AND APPARATUS FOR OPTIMIZING CUSTOMER SERVICE ACROSS MULTIPLE CHANNELS - A method and apparatus for a computer-implemented technique for maximizing customer satisfaction and first call resolution, including converting telephone calls into online chats, while minimizing cost is provided. Techniques for incorporating analytics as applied to customer data into particular strategies for call deflection, targeting particular individuals to increase chat acceptance rate, and computing a customer's wait time are also provided. | 2011-06-30 |
20110158399 | HEADSET INTERFACE CIRCUIT AND TELEPHONE SET - According to one embodiment, a headset interface circuit includes a connector, a plurality of amplifiers, a detector and an amplification switch. The connector selectively connects a plurality of headsets to a communication apparatus configured to operate at a predetermined power supply voltage and designed to provide telephone calls via a handset. The plurality of amplifiers selectively amplify an output signal from a transmitter of the headset and supply the communications apparatus with the amplified output signal. The detector cause a comparator to detect an operation current of the transmitter of the headset, wherein the comparator operating at a voltage of equal to or smaller than the power supply voltage. The amplification switch switches the amplifier based on a detection result by the detector. | 2011-06-30 |
20110158400 | COOPERATIVE ENCODING OF DATA BY PLURALITIES OF PARTIES - Methods and apparatus include cooperatively encoding digital data between collaborating parties. By prior agreement, the parties take turns encoding portions of a given payload (e.g., document), until all portions have been encoded, thereby transforming the payload from a native encoding to a new, composite encoding. Choreography rules facilitate the process. Each party is free to use its own processing scheme. The use of a lookback or chaining step enables each party to impart a quality of informational entanglement to the output during its construction. By virtue of these features and attendant synergies, the resultant jointly encoded digital data enjoys certain novel cryptographic properties in addition to serving as a record of interaction between parties. To decode the data, the process is reversed. Third parties are optionally employed to mediate aspects of the process. Noise and padding, such as watermarks or copyrights, may be added variously to the encoded digital data. Encoding schemes include encryption or compression algorithms. | 2011-06-30 |
20110158401 | SYSTEM AND METHOD FOR SIGNING ELECTRONIC DOCUMENT - A method for signing an electronic document includes receiving a digital signature request of an electronic document from a client computer, the digital signature request comprising the electronic document and an identifier of the electronic document, sending the electronic document to a corresponding application server determined by the identifier of the electronic device. The method further includes receiving a signed value from the client computer, sending the signed value to the corresponding application server to generate a digitally-singed electronic document by merging the signed value and the electronic document. | 2011-06-30 |
20110158402 | METHODS, SYSTEMS, AND COMPUTER READABLE MEDIA FOR SCRAMBLED COMMUNICATION OF DATA TO, FROM, OR OVER A MEDIUM - The subject matter described herein includes methods, systems, and computer readable medium for scrambled communication of data to, from, or over a medium. According to one aspect, the subject matter described herein includes a method for communicating data in scrambled form to or over a medium. The method includes receiving analog or digital data to be transmitted to or over a medium. The method further includes modulating samples representing at least signal using the analog or digital data to produce data modulated signal samples. The method further includes scrambling the data modulated signal samples using a predetermined scrambling algorithm. The method further includes transmitting the scrambled data modulated signal samples to or over the medium. The method further includes descrambling samples received from the medium using the inverse of the predetermined scrambling algorithm to obtain the unscrambled modulated signal samples, which can then be demodulated to retrieve original data. | 2011-06-30 |
20110158403 | ON-THE-FLY KEY GENERATION FOR ENCRYPTION AND DECRYPTION - Methods and apparatus to provide on-the-fly key computation for Galois Field (also referred to Finite Field) encryption and/or decryption are described. In one embodiment, logic generates a cipher key, in a second cycle, based on a previous cipher key, generated in a first cycle that immediately precedes the second cycle. Other embodiments are also described. | 2011-06-30 |
20110158404 | REBINDING OF CONTENT TITLE KEYS IN CLUSTERS OF DEVICES WITH DISTINCT SECURITY LEVELS - According to one embodiment of the present invention, a system, method, and computer program product is provided for rebinding title keys in clusters of devices with distinct security levels in broadcast encryption systems. The method includes receiving a new management key and unbinding an encrypted title key with a previously used management key, the title key having a security class and residing in a title key block for a device having a security class, the device being in a cluster of devices including devices having a plurality of security classes. If the device security class is lower that the title key security class, the unbound title key is partially rebound with the new management key. the partially rebound title key is then saved in the title key block for the device. | 2011-06-30 |
20110158405 | KEY MANAGEMENT METHOD FOR SCADA SYSTEM - Disclosed is a shared key management method for SCADA system in which a master terminal unit (MTU), a plurality of sub-master terminal units (sub-MTUs), and a plurality of remote terminal units (RTUs) are sequentially and hierarchically structured, comprising the steps of: generating shared keys of a group key in a tree structure by the MTU, the tree structure including a binary tree ranging from a root node corresponding to the MTU to intermediate nodes corresponding to the sub-MTUs; storing shared keys of descendant nodes and ancestor nodes of an intermediate node of a sub-MTU by the sub-MTU; and updating, upon updating of a shared key of an intermediate node, all shared keys of on-path nodes from the updated intermediate node to the root node, the shared keys of the on-path nodes being updated using their own shared keys and shared keys of off-path child nodes. | 2011-06-30 |
20110158406 | ZERO SIGN-ON AUTHENTICATION - A authenticating system and process for authenticating user devices to a access a media service where access to certain portions of the media service may be limited according to a gateway or other device used by a user device to facilitate interfacing a user with the media service. The authentication may be achieved without directly assessing a trustworthiness of the user devices, and optionally, without requiring a user thereof to complete a sign-on operation. | 2011-06-30 |
20110158407 | PROCESS OF MANUFACTURING A HANDHELD DEVICE, INVOLVING KEYS - An electronic circuit includes a more-secure processor having hardware based security for storing data. A less-secure processor eventually utilizes the data. By a data transfer request-response arrangement between the more-secure processor and the less-secure processor, the more-secure processor confers greater security of the data on the less-secure processor. A manufacturing process makes a handheld device having a storage space, a less-secure processor for executing modem software and a more-secure processor having a protected application and a secure storage. A manufacturing process involves generating a per-device private key and public key pair, storing the private key in a secure storage where it can be accessed by the protected application, combining the public key with the modem software to produce a combined software, signing the combined software; and storing the signed combined software into the storage space. Other processes of manufacture, processes of operation, circuits, devices, wireless and wireline communications products, wireless handsets and systems are disclosed and claimed. | 2011-06-30 |
20110158408 | SUPPLEMENTAL MOBILE COMMUNICATION DEVICE - Systems and methods provide a supplemental mobile communication device that allows use of a host communication device with a network different from that associated with the host device, e.g., a network of a different service provider or that is otherwise restricted to the host device. The system may include a supplemental mobile communication device having a transmitter selectively communicating with a plurality of host devices associated with a different wireless network. The system may further include a processor configured to compare a service plan associated with the supplemental mobile communication device with a service plan associated with the host device, and selectively route communications initiated by a user interface of the host device through one of the first and second communication networks based upon at least the comparison of the first and second service plans. | 2011-06-30 |
20110158409 | WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND WIRELESS COMMUNICATION PROGRAM - A wireless communication apparatus that establishes connection with an access point wirelessly to perform wireless communication is provided. The apparatus includes: a beacon receiving section that receives a beacon that includes identification information of the access point; a key input accepting section that accepts an input of a security key that is to be used for encryption of wireless communication between the wireless communication apparatus and the access point that is a connection target; a communication method determining section that determines, on the basis of the security key, a communication method that is to be used for communication with the access point by selection out of a plurality of communication methods using encryption available for connection with the access point; and a communication controlling section that carries out control for communicating with the access point by using the received identification information of the access point and the determined communication method. | 2011-06-30 |
20110158410 | METHOD FOR TRANSMITTING DATA BETWEEN NETWORK NODES - A method transmits data between network nodes of a network in a cryptographically protected manner. The network nodes are, for example, sensor nodes of a wireless sensor network. In the method, in order to transmit the data in a message, a NONCE value is created from a count value which is updated in the transmission of the message and from a constant value which is provided in a shared manner to the network nodes of the network. The data transmitted in the message is then encrypted and decrypted within the network nodes by a cryptographic key and the created NONCE value. The method offers in particular protection against replay attacks while at the same time minimizing the use of resources of the network nodes. | 2011-06-30 |
20110158411 | REGISTERING CLIENT DEVICES WITH A REGISTRATION SERVER - In a method of registering a plurality of client devices with a device registration server for secure data communications, a unique symmetric key is generated for each of the client devices using a cryptographic function on a private key of the device registration server and a respective public key of each of the client devices, and a broadcast message containing the public key of the device registration server is sent to the client devices, in which the client devices are configured to generate a respective unique symmetric key from the public key of the device registration server and its own private key using a cryptographic function, and in which the unique symmetric key generated by each client device matches the respective unique symmetric key generated by the device registration server for the respective client device. | 2011-06-30 |
20110158412 | INFORMATION DISCLOSURE APPARATUS - An information tray creation apparatus generates a pair of an encryption key and a decoding key, encrypts disclosure information using the encryption key, and generates encrypted disclosure information. Next, the information tray creation apparatus encrypts a decoding key using a public key of a disclosure destination, and generates decoding key information. The information tray creation apparatus adds a pair of the disclosure destination and the decoding key information to disclosure destination information in an information tray as one record. The information tray creation apparatus then adds pairs of disclosure destinations and decoding key information to the disclosure destination information in the information tray for all information destinations. | 2011-06-30 |
20110158413 | APPARATUS AND METHOD FOR A COMPLETE AUDIO SIGNAL - The present invention relates to an apparatus and method for redeeming otherwise closed and concealed information contained in audio signals. An active circuit balances the ratio between in-phase and out-of-phase signals through the application of sum and difference signals and adjusts the ratio of gain in stereophonic signals as well as in monophonic and multichannel signal applications. This includes both the primary reference signal, and a plurality of redundant duplicate signals, substantially identical in all respects to the primary reference signal except in relation to magnitude and phase, for the purpose of unfolding, or opening the audio signal content. A pair of output signal levels approximates the golden ratio where the golden ratio is one plus the square root of five divided by two which gives an irrational number 1.618. | 2011-06-30 |
20110158414 | Passive Sound Pressure Level Limiter with Balancing Circuit - A passive sound pressure level (SPL) limiter is provided that can be used with audio sources of varying drive levels and headphones or earphones of varying sensitivity. The SPL limiter includes a control circuit and left and right channel limiting circuits, each of which includes a pair of FETS. The SPL limiter may include a balancing circuit that separates the control signal output by the control circuit into left and right channel control signals. The SPL limiter may also include a microphone, for example integrated into an earpiece cable. | 2011-06-30 |
20110158415 | Audio Signal Decoder, Audio Signal Encoder, Encoded Multi-Channel Audio Signal Representation, Methods and Computer Program - An audio signal decoder for providing a decoded multi-channel audio signal representation on the basis of an encoded multi-channel audio signal representation has a time warp decoder configured to selectively use individual audio channel specific time warp contours or a joint multi-channel time warp contour for a reconstruction of a plurality of audio channels represented by the encoded multi-channel audio signal representation. An audio signal encoder for providing an encoded representation of a multi-channel audio signal has an encoded audio representation provider configured to selectively provide an audio representation having a common time warp contour information, commonly associated with a plurality of audio channels of the multi-channel audio signal, or an encoded audio representation having individual time warp contour information, individually associated with the different audio channels of the plurality of audio channels, in dependence on an information describing a similarity or difference between time warp contours associated with the audio channels of the plurality of audio channels. | 2011-06-30 |
20110158416 | SOUND PICKUP APPARATUS AND SOUND PICKUP METHOD - Provided is a sound pickup apparatus that increase the flexibility in installation of microphones, while enabling sound from a sound source to be picked up in stereo without using the information on the current positions of the microphones. The sound pickup apparatus includes a microphone ( | 2011-06-30 |
20110158417 | COMMUNICATION DEVICE WITH WARNING FUNCTION AND COMMUNICATION METHOD THEREOF - A communication device with an audio database comprises an audio receiving module, a locator module, an audio identification module and a notification module. The audio receiving module calculates the strength of the at least one signal, the locator module determines whether each of the strength exceeds a predefined value and determines the directionality of the at least one audio signal in accordance with the strength of the at least one audio signal. The audio identification module compares the audio signal with audio modules in accordance with characteristics parameter to issue a warning. | 2011-06-30 |
20110158418 | DEREVERBERATION AND NOISE REDUCTION METHOD FOR MICROPHONE ARRAY AND APPARATUS USING THE SAME - A dereverberation and noise reduction method adapted for a microphone array and an apparatus using the same are proposed. The microphone array receives a plurality of audio signals from an audio source. The dereverberation and noise reduction method includes the following steps. The received audio signals are processed by a beamforming processing, and a first audio signal is generated. Besides, the received audio signals are processed by a suppression processing, and a suppression audio vector is generated. Further, suppression audio vector is processed by an adaptive filtering processing, and a second audio signal is generated. In addition, the second audio signal is subtracted from the first audio signal to acquire an audio output signal, where parameters of the adaptive filtering processing are adjusted according to a feedback of the audio output signal. | 2011-06-30 |
20110158419 | ADAPTIVE DIGITAL NOISE CANCELLER - Systems and methods for adaptive feed-forward noise cancellation. The system includes a plurality of reference microphones, an error microphone, a secondary path module, an adaptation controller, and a canceller filter. A finite impulse response (“FIR”) based plant model is converted to an infinite impulse response (“IIR”) based plant model using balanced model reduction. Due to the inherent instability of the adaptive IIR filter, the Schur-Cohn stability test is applied to the denominator coefficients of the IIR filter transfer function to determine the stability of the noise cancellation system. A secondary path of the noise cancellation system is identified in an on-line manner in the secondary path module. If the energy level of the communication signal (e.g., a music signal) is strong, secondary path identification is performed. The adaptation controller controls the updating of the IIR transfer function based on the stability determination and the secondary path. An anti-noise signal is then generated and added to the communication signal. The anti-noise signal is generated within approximately 60 or fewer micro-seconds. | 2011-06-30 |
20110158420 | STAND-ALONE EAR BUD FOR ACTIVE NOISE REDUCTION - An ear bud and noise reduction system actively reduce noise in one ear while the user listens with the other ear to an audio sound wave produced by the speaker of an electronic device (e.g., a cell phone or a wireless headset attachable to a single ear). The ear bud includes a microphone, an active noise reduction unit, and an audio speaker. The active noise reduction unit produces a noise reduction signal based on ambient noise sensed by the microphone in the vicinity of a first ear while an electronic device produces a first audio sound wave in the vicinity of a second ear. The audio speaker produces a second audio sound wave in the vicinity of the first ear based on the noise reduction signal to reduce or substantially cancel the ambient noise. The first and second audio sound waves may be produced independently of each other. | 2011-06-30 |
20110158421 | In-ear device with selectable frequency response - An in-ear device comprises a main body for placement in the outer ear of a wearer and has at least two derivative canals each containing a filtering medium differing from one another in terms of their frequency suppression capabilities, and a preferably rotatable knob enabling selection of the respective filtering canal without the need for removal of the device from the ear. | 2011-06-30 |
20110158422 | ACTIVE SNUBBER FOR IMPROVING STABILITY OF HEADPHONE AMPLIFIERS - Audio amplifiers, particularly those employed with headphones, use snubbers to suppress or snub signals within a particular frequency range. Conventional resistive and resistor-capacitor (RC) type snubbers have a number of drawbacks (i.e., require external components and high power consumption). Here, an active snubber is provided that allows for suppression in a desired frequency range without the need for external components and with relatively small footprint and a relatively small power increase. | 2011-06-30 |
20110158423 | 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. | 2011-06-30 |
20110158424 | SELF-POWERED AUDIO SPEAKER HAVING MODULAR COMPONENTS - Embodiments of the invention include a speaker system having the ability to accommodate one or more transmission protocols as well as multiple upgrade paths. One or more replaceable cards sit in a socket or bus system. The cards may include one or more components for receiving a wireless audio signal and decoding the signal. Other cards may include circuits for converting the digital audio signals into analog audio signals. Yet other cards, or other components on cards, may include circuitry for filtering or modifying the audio signals. In some embodiments the main components of the cards may be formed in a re-programmable device that can be updated by a user. In conjunction, these components create a powered speaker system that is constantly upgradeable as various data transmission standards and audio filtering standards mature. | 2011-06-30 |
20110158425 | MICROPHONE DIRECTIVITY CONTROL APPARATUS - A directivity control apparatus is capable of acquiring tilt information indicating a tilt angle of the directivity control apparatus; acquiring sound source direction information; storing mapping data indicating a relationship between the tilt angle and the direction; determining whether the sound information indicates a target sound; updating the mapping data based on the sound source direction information and the tilt information, if the sound information indicates the target sound; estimating a direction of sound responsive to the tilt information, based on the mapping data if the sound information doesn't indicate a target sound; and adjusting a directivity of a microphone based on the sound source direction information if the sound information indicates the target sound, or adjusting the directivity of the microphone based on the estimated direction if the sound information doesn't indicate the target sound. | 2011-06-30 |
20110158426 | SIGNAL PROCESSING APPARATUS, MICROPHONE ARRAY DEVICE, AND STORAGE MEDIUM STORING SIGNAL PROCESSING PROGRAM - A signal processing apparatus includes: two sound input units, an orthogonal transformer to transform two sound signals input from the two sound input units into respective spectral signals in a frequency domain, a phase difference calculator to calculate a phase difference between the spectral signals in the frequency domain, a range determiner to determine a coefficient responsive to a frequency in the phase difference as a function of frequency, and determine a suppression range related to a phase on a per frequency basis of the frequency responsive to the coefficient; and a filter to phase-shift a component of one of the spectral signals on a per frequency basis in order to generate a phase-shifted spectral signal when the phase difference at each frequency falls within the suppression range, synthesizing the phase-shifted spectral signal and the other of the spectral signals in order to generate a filtered spectral signal. | 2011-06-30 |
20110158427 | AUDIO SIGNAL COMPENSATION DEVICE AND AUDIO SIGNAL COMPENSATION METHOD - An audio signal compensation device includes: a signal processor configured to perform filtering on an input audio signal; a filter coefficients storage module configured to store a plurality of filter coefficients; a user interface configured to provide options for a determination of filter coefficients to a user and to obtain a selection result from the user; and a filter coefficients determining module configured to determine a set of filter coefficients among the plurality of filter coefficients based on the selection result. The options for the determination of filter coefficients are produced by selecting a first filter coefficient and a second filter coefficient from the plurality of filter coefficients, the first filter coefficient corresponding to a first characteristic quantity of external auditory canal characteristics, the second filter coefficient corresponding to a second characteristic quantity of the external auditory canal characteristics which is predicted based on the first characteristic quantity. | 2011-06-30 |
20110158428 | SOUND DISTORTION SUPPRESSION CONTROL METHOD AND ACOUSTIC CONTROL APPARATUS USING THE METHOD - A sound distortion suppression control method not causing sound distortion even if the volume of an amplifier is increased to nearly its maximum value when the user adjusts bass and treble to obtain desired tone. Sound to be output is specified by a volume setting value, a bass setting value and a treble setting value, and these values are temporarily stored in a memory section. Furthermore, a maximum allowable bass value and a maximum allowable treble value are respectively stored in the memory section in advance. In the case that the bass setting value and the treble setting value become larger than the maximum allowable bass value and the maximum allowable treble value, respectively, the bass setting value and the treble setting value are changed to a value not more than the maximum allowable bass value and a value not more than the maximum allowable treble value, respectively. | 2011-06-30 |
20110158429 | AUDIO APPARATUS - An audio apparatus receives a supply voltage from a power source and is powered on. The audio apparatus includes a control unit, an amplifier, and a mute circuit. The control unit provides an audio signal. The amplifier amplifies the audio signal and drives a speaker to reproduce sound according to the amplified audio signal. The mute circuit generates a mute signal when initially receiving the supply voltage from the power source. The amplifier stops driving the speaker to reproduce sound according to the mute signal. | 2011-06-30 |
20110158430 | METHODS FOR VOICE COMMUNICATION THROUGH PERSONAL EMERGENCY RESPONSE SYSTEM - A system according to an aspect of the present invention switches between the activation/deactivation of the speaker and microphone in speakerphone mode to help ensure the quality of audio communications. The system includes a processor, a microphone, a speaker, and a data relay transceiver. The microphone, speaker, and data relay transceiver are each in communication with the processor. The system further includes a memory in communication with the processor which stores instructions that, when executed by the processor, cause the processor to determine a threshold based on an average amplitude of a signal provided to the speaker by the data relay transceiver; sample the amplitude of the signal; and disable the microphone and enable the speaker if the sampled amplitude is greater than the threshold. | 2011-06-30 |
20110158431 | Electronic Apparatus - According to one embodiment, an electronic apparatus includes a speaker, a terminal, an amplifier, a power supply circuit, and a first controller. The terminal is configured to input an audio signal from an external apparatus. The amplifier is configured to amplify the audio signal which is input from the terminal, and to output sound from the speaker. The power supply circuit is configured to supply power to the amplifier. The first controller is configured to control the power supply circuit in order to continue the supply of power to the amplifier, if the external apparatus is connected to the terminal when the electronic apparatus transitions from a operative state to a non-operative state. | 2011-06-30 |
20110158432 | Audio Volume Control Circuit and Method Thereof - An audio volume control circuit includes a signal intensity calculating circuit for generating a first signal intensity value corresponding to a signal intensity corresponding to an audio channel data; a low-pass filter for filtering the first signal intensity to generate a second signal intensity value; an averaging unit for averaging the second signal intensity value and previous M−1 second signal intensity values to obtain a third signal intensity value, with M being a natural number greater than 1; a gain calculating circuit for obtaining an original gain value according to the third signal intensity value with reference to the adjustment condition; a buffer for temporarily storing the audio channel data; and an audio volume adjusting circuit for generating an adjustment gain value according to the original gain value to adjust the audio channel data stored in the buffer. | 2011-06-30 |
20110158433 | SPEAKER SYSTEM AND SPEAKER DRIVING CIRCUIT - A speaker system includes a first speaker, a second speaker and a driving circuit. The first speaker and the second speaker are different types of speakers. The driving circuit drives the first speaker with a first driving voltage and a first driving current and drives the second speaker with a second driving voltage and a second driving current, wherein the first driving voltage is larger than the second driving voltage and the first driving current is smaller than the second driving current. The present disclosure further provides a speaker driving circuit. | 2011-06-30 |
20110158434 | INFORMATION PROCESSING APPARATUS - According to one embodiment, an information processing apparatus includes a volume operation module, a first volume controller and a second volume controller. The volume operation module includes a rotary encoder module of detecting a degree of movement of a control member thereof and a potentiometer module of detecting an absolute position of the control member. The first volume controller controls the volume of the audio signal based on the detected degree of movement of the control member. The second volume controller controls the volume of the audio signal based on the detected absolute position of the control member. The volume control by the first volume controller is rendered effective when the information processing apparatus is in a power-on state. The volume control by the second volume controller is rendered effective when the information processing apparatus is in a power-off state. | 2011-06-30 |
20110158435 | AUDIO SIGNAL AMPLIFIER CIRCUIT - An inverting amplifier which drives headphones via an output capacitor includes: an operational amplifier, an input resistor having a first terminal via which an audio signal to be amplified is received, and a second terminal connected to an inverting input terminal of the operational amplifier; and a feedback resistor having a first terminal connected to an inverting input terminal of the operational amplifier, and a second terminal connected to the output terminal. A reference voltage source generates a bias voltage Vb, and supplies it to the non-inverting input terminal. A discharging path includes a discharging resistor and a first switch arranged in series between an output terminal of the reference voltage source and an fixed voltage terminal. A second switch is arranged between the output terminal of the operational amplifier and a node on the discharging path where the electric potential is higher than it is at the discharging resistor. | 2011-06-30 |
20110158436 | ELECTRONIC APPARATUS - According to one embodiment, an electronic apparatus includes a speaker, a terminal, an amplifier, a power supply circuit, a setting module, a detection module, and a controller. The terminal is configured to input an audio signal from an external device. The amplifier is configured to amplify the audio signal, and to output audio from the speaker. The power supply circuit is configured to supply power to the amplifier. The setting module is configured to set data which indicates whether audio output from the speaker is to be enabled or disabled when the apparatus is in a non-operative state. The detection module is configured to detect a predetermined state of the apparatus. The controller is configured to control the power supply circuit, based on the data and the predetermined state, in order to supply the power to the amplifier when the apparatus is in the non-operative state. | 2011-06-30 |
20110158437 | AUDIO AMPLIFIER HAVING LOAD ADJUSTMENT AND METHOD FOR THE LOAD ADJUSTMENT OF THE AUDIO AMPLIFIER - The invention relates to an audio amplifier ( | 2011-06-30 |
20110158438 | APPARATUS AND METHOD FOR AUDIO SIGNAL PROCESSING IN DUAL STANDBY MOBILE COMMUNICATION TERMINAL - An apparatus and method for processing an audio signal in a dual standby mobile communication terminal are provided. The apparatus includes a first modem for supporting a first system and for outputting an interrupt signal that requests audio signal processing when a call for the first system is generated, and a second modem for supporting a second system, for receiving the interrupt signal that requests the audio signal processing from the first modem, and for performing digital signal processing of the audio signal for the first system. | 2011-06-30 |
20110158439 | Silicon Microphone Transducer - A capacitive microphone transducer integrated into an integrated circuit includes a fixed plate and a membrane formed in or above an interconnect region of the integrated circuit. A process of forming an integrated circuit containing a capacitive microphone transducer includes etching access trenches through the fixed plate to a region defined for the back cavity, filling the access trenches with a sacrificial material, and removing a portion of the sacrificial material from a back side of the integrated circuit. | 2011-06-30 |
20110158440 | 3D Stereo earphone with multiple speakers - An earphone produces a three-dimensional stereo sound effect. The earphone has an ear cup with a front portion, a back portion, a front sound effect unit disposed in the front portion, a front sound resonator disposed in the front portion, a back sound resonator disposed in the back portion, and a back sound effect disposed in the back portion. A front speaker is disposed in the front portion of the ear cup. A back speaker is disposed in the back portion of the ear cup. A sound controller is disposed in the ear cup. A sound output unit is connected with the ear cup. The front speaker and the back speaker work together to create stereo sound in a first dimension and in a second dimension. One of the front speaker and the back speaker creates stereo sound in a third dimension. | 2011-06-30 |
20110158441 | WIRELESS SPEAKER UNITS WITH IMPROVED BATTERY LIFE - A method is provided for managing signal distribution in a wireless speaker unit. The method includes monitoring a power level of the first wireless device; receiving, at the first wireless device, a first signal from the base unit if a power level of the first wireless device has not reached a threshold level; transmitting wirelessly a second signal, derived from the first signal, from said first wireless device to the second wireless device if a power level of the first wireless device has not reached the threshold level; receiving, at the second wireless device, the first signal from the base unit if the power level of the first wireless device reaches the threshold level; and transmitting wirelessly a third signal, derived from the first signal, from the second wireless device to the first wireless device if the power level of the first wireless device reaches the threshold level. | 2011-06-30 |
20110158442 | NOISE REDUCTION SYSTEM FOR HEARING ASSISTANCE DEVICES - Disclosed herein is a system for binaural noise reduction for hearing assistance devices using information generated at a first hearing assistance device and information received from a second hearing assistance device. In various embodiments, the present subject matter provides a gain measurement for noise reduction using information from a second hearing assistance device that is transferred at a lower bit rate or bandwidth by the use of coding for further quantization of the information to reduce the amount of information needed to make a gain calculation at the first hearing assistance device. The present subject matter can be used for hearing aids with wireless or wired connections. | 2011-06-30 |
20110158443 | BONE CONDUCTION DEVICE WITH A MOVEMENT SENSOR - A bone conduction device including a coupling configurable to form a coupling with a bone, a transducer module configurable to vibrate in accordance with one or more operational characteristics of the device; and a sensor module configurable to adjust the one or more operational characteristics in response to one or more of a reorientation of a portion of the device and a movement of the portion relative to the coupling. | 2011-06-30 |
20110158444 | HEARING INSTRUMENT AND METHOD FOR PROVIDING HEARING ASSISTANCE TO A USER - A hearing instrument having an audio signal processing unit ( | 2011-06-30 |
20110158445 | DIPOLE LOUDSPEAKER WITH ACOUSTIC WAVEGUIDE - A loudspeaker based on a dipole element (DE) with at least one diaphragm arranged to generate an acoustic dipole signal according to an electric signal, e.g. a dedicated dipole driver such as an Air Motion Transformer or a combination of two monopole drivers, e.g. dome tweeters, mounted back to back close together. An acoustic waveguide (WG) is arranged in relation to the dipole element (DE) such that a surface (S) of the acoustic waveguide (WG) is close to the at least one diaphragm of the dipole element (DE). The acoustic waveguide (WG) extends in both directions of a main axis (MA) of the dipole element (DE), thus serving to guide the acoustic dipole signals away from the dipole element (DE). Preferably, the surface (S | 2011-06-30 |
20110158446 | THERMOACOUSTIC DEVICE WITH FLEXIBLE FASTENER AND LOUDSPEAKER USING THE SAME - A thermoacoustic device includes a base, a plurality of first fasteners, at least one first electrode, at least one second electrode and a sound wave generator. Each of the first fasteners includes a body engaging with the base and a flexible element extending from the body. The at least one first electrode has a first end and a second end. The first end engages with the flexible element of the plurality of first fasteners, and the second end is secured on the base. The at least one second electrode has a third end and a fourth end. The third end engages with the flexible element of the plurality of first fasteners, and the fourth end is secured on the base. The sound wave generator is electrically connected to the at least one first electrode and the at least one second electrode. | 2011-06-30 |
20110158447 | FOLDED COAXIAL TRANSMISSION LINE LOUDSPEAKER - A loudspeaker has a loudspeaker driver and a first tube having a base end coupled to the driver and extending towards the rear end of the loudspeaker. A second tube of larger cross sectional dimensions extends over the first tube and loudspeaker driver and has a rear end wall spaced from the open rear end of the second tube and a front end coupled to the driver. A third, open ended tube of smaller cross-sectional dimensions than the first tube extends through a rear end wall of the second tube and into the first tube, with the front end of the third tube spaced from the base of the first tube. A folded, three segment transmission line is formed between the first and second tubes, between the second and third tubes, and through the third tube. | 2011-06-30 |
20110158448 | SPEAKERBOX - An electro-acoustic communications unit ( | 2011-06-30 |
20110158449 | Microphone Unit - A microphone unit ( | 2011-06-30 |
20110158450 | MICROPHONE UNIT - To provide a downsized microphone unit in which a differential microphone is densely mounted thereon. | 2011-06-30 |
20110158451 | Close-Talking Capacitor Microphone - A close-talking capacitor microphone includes: a capacitor microphone unit including a diaphragm, a diaphragm holder to which the diaphragm is attached, a fixed electrode, a printed circuit board, an insulating base on the rear side of the fixed electrode, and a unit casing; a microphone casing fixing the capacitor microphone unit therein and provided with a sound-wave guidance hole; and a shielded wire through which a sound signal is communicated. The unit casing has an opening on a peripheral side surface at a portion between the front side of the printed circuit board and the rear side of the fixed electrode with regard to the height direction. The unit casing has a space that communicates the opening to the printed circuit board. The shielded wire is inserted through the opening on the peripheral side surface of the unit casing to be connected to the printed circuit board. | 2011-06-30 |