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USPTO Class 341 | Browse by Industry: Previous - Next | All 12/2008 | Recent | 09: Oct | Sept | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | | 08: Dec | Nov | Oct | Sp | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | | 07: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | | 06: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Coded data generation or conversion inventions 12/08Recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.Listing format for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 12/25/2008 > patent applications in patent subcategories. 20080316061 - System and method of using sudden motion sensor data for input device input: A system and method effect application behavior by interpreting sudden motion sensor data as input device (e.g., keyboard) input data... Agent: Thelen LLP 20080316063 - Integrated keyboard with personal computer: Disclosed herein is an eco friendly board top computing device that is integrated with computer components, has an ergonomic shape, provides recharge of a pointing device, consumes less energy, and is eco friendly. The board top computing device comprises a first section, a second section, and a third section. The... Agent: Ashok Tankha 20080316064 - Keypad structure and electronic device using the same: A keypad structure and an electronic device using the same are provided. The electronic device comprises at least a keypad structure and a printed circuit board. The keypad structure comprises a switch, a keypad body, and a touching element. The keypad body having a through hole is relatively disposed to... Agent: Bacon & Thomas, PLLC 20080316062 - Method for inputting keyboard commands: A method for negotiating keyboard commands between a computer and an external keyboard is provided. The computer and the external keyboard have respective NL (number lock) status. When the external keyboard is pressed, the external keyboard act as the following mechanics. When NL status of the computer is “Off” and... Agent: Muncy, Geissler, Olds & Lowe, PLLC 20080316065 - Keyboard and method text entry: A keyboard for entry of text characters is described. The keyboard comprises: a plurality of keys and a processing means for detecting when at least one of the plurality of keys is pressed. Each of the plurality of keys has an indicia marked on its surface. When the processor detects... Agent: Kirton And Mcconkie 20080316066 - Key control circuit, electronic apparatus, portable device, and key control method: Key control for a key matrix circuit having a plurality of keys is provided to reduce power consumption in key searching caused by unintended key pressing. In key control on the key matrix circuit having a plurality of rows and columns of keys (key switches) in matrix arrangement, keys are... Agent: Staas & Halsey LLP 20080316067 - Keyboard scan: Methods, apparatuses, and computer-readable media for scanning a keyboard are disclosed. Actuation of each of the keys electrically couples one of a plurality of first lines and one of a plurality of second lines. A first signal is applied to a plurality of first lines. A second signal is applied... Agent: Infineon Technologies Ag Patent Department 20080316068 - Ten mark coding system and its combinating method with a database and its retrieving method: A Ten Mark coding system and its combination with a database and its retrieving method includes input-element electronic devices of numerals, English alphabets and mandarin phonetic symbols, and a database. The morphological components of Chinese characters are categorized into ten groups represented by numerals 0˜9, which are respectively provided with... Agent: Sinorica, LLC 20080316069 - Maximum likelihood decoding via mixed-integer adaptive linear programming: A method and system decodes a sequence of symbols received via a channel to a codeword of an error-correcting code. Log-likelihood ratios are determined from a sequence of symbols received via a channel. A set of constraints is initialized according to the log-likelihood ratios. An adaptive linear programming decoder is... Agent: Mitsubishi Electric Research Laboratories, Inc. 20080316070 - Encoding of data words using three or more level levels: A data processing circuit comprises an encoder circuit for encoding a data word, wherein each digit may have any one of three or more digit values. The data word is encoded so that digit counts in the data word satisfy predetermined criteria (the digit counts are counts of the numbers... Agent: Nxp, B.v. Nxp Intellectual Property Department 20080316072 - Method for constructing rll codes of arbitrary rate: The claimed embodiments provide methods, apparatuses and systems directed to run-length limited (RLL) coding of data. In one implementation, concatenatable RLL codes with run lengths of zeroes not exceeding k are constructed for any rate N/(N+1) where N≦2k−2+k−1. As code rates increase, the value of k departs from the minimum... Agent: Baker Botts L.L.P. 20080316071 - Modulation coding with rll (1,k) and mtr (2) constraints: This invention relates to a method of converting a user bitstream into a coded bitstream by means of a runlengh limited (d, k) channel code where the channel code has a constraint of d=1. In order to ensure an improvement in bit detection performance an additional RMTR constraint of r=2... Agent: Philips Intellectual Property & Standards 20080316073 - Digital-to-analog converter and distortion correction circuit: Disclosed is a D/A converter including: a delta-sigma modulator for subjecting a digital signal to delta-sigma modulation; a pulse-width modulator for outputting a pulse-width-modulated signal having a pulse width conforming to a digital value that is output from the delta-sigma modulator; and a distortion detector for detecting a distortion component... Agent: Mcginn Intellectual Property Law Group, PLLC 20080316075 - Delta sigma modulator and delta sigma a/d converter: With a delta sigma modulator of this invention, a plurality of clocks required to control a switching circuit can be easily generated and correlation among phases of the plurality of clocks can be automatically maintained while a frequency of the clocks is modified. A ring oscillator is formed of three... Agent: Morrison & Foerster LLP 20080316074 - Electronic circuit and semiconductor device having dac and scf: An electronic circuit has a voltage selection and output circuit, e.g. digital-to-analog converter (DAC), and a switched capacitor filter (SCF), in which operational conditions of the input side switches of the SCF are incorporated in the selection conditions for selecting respective multiple selection switches of the voltage selection and output... Agent: Rohm Co., Ltd. C/o Keating & Bennett, LLP 20080316077 - D/a converter: An output from a resister string is selected with a signal of m upper bits of an input digital signal and converted to a pair of analog signals (VH, VL) having a width corresponding to n lower bits. The signals (VH, VL) are divided using a resistor string and converted... Agent: Cantor Colburn, LLP 20080316076 - Direct rf d-to-a conversion: A modulator described herein provides digital modulation and direct digital-to-analog conversion capable of achieving 12-bit resolution or higher for high frequency signals. The modulator comprises a digital modulator, conversion circuit, and multiplexer. The digital modulator generates a plurality of sample streams at a plurality of different sample phases that collectively... Agent: Coats & Bennett, PLLC 20080316078 - D/a converter circuit: A multi-bit D/A converter circuit that prevents a bit inversion and requires a reduced layout area is offered. A first switching circuit is provided in order to select a pair of analog voltages generated across one of resistors in a first resistor string. The selected pair of analog voltages is... Agent: Morrison & Foerster LLP 20080316079 - Multiplexed signal conditioner: A signal conditioning circuit time share multiplexes anti-aliasing filters and an A/D converter. A plurality of first tier multiplexers each time share multiplex one of a plurality of antialiasing filters between a plurality of AC or baseband input signals from a plurality of sensors. A second tier multiplexer selects its... Agent: Carlson, Gaskey & Olds, P.C. 20080316080 - Successive approximation type a/d converter: A successive approximation type A/D converter includes a main capacitance array connected with a common connection node; a correction capacitance array; a voltage comparator configured to detect a voltage of the common connection node; and a successive approximation register in which a value is set based on an output of... Agent: Mcginn Intellectual Property Law Group, PLLC 20080316081 - Battery-free remote control device: A control device capable of controlling an electronic device via wireless communications, the control device comprising a first antenna capable of receiving a radio frequency (RF) carrier at a first frequency, a power generation circuit capable of converting RF power of the RF carrier into direct-current (DC) power, a plurality... Agent: Akin Gump LLP - Silicon Valley 20080316082 - Remote control system and method for providing application program thereof: A remote control system including a remote controller and a computer system are provided. The computer system includes a remote control signal receiver, an image capturing device, a storage device and a processor. The remote controller outputs a remote control signal in response to a user's operation. When the remote... Agent: Rabin & Berdo, PC 20080316083 - State-sensitive navigation aid: Navigation logic and related methods are described for assisting a user in using a remote control (RC) device. The navigation logic determines a current state of a user's interaction with an application, and then determines the keys of the RC device that are relevant to the determined state. The navigation... Agent: Lee & Hayes PLLC 12/18/2008 > patent applications in patent subcategories.20080309520 - Communication device input system: A system is disclosed that enables more rapid entry of text messages in cell phones that use a 12-key keypad. A cursor movement key placed on the side of a device having a numeric keypad enables a user to more quickly and easily and advance the cursor position between letter... Agent: Kelce Wilson 20080309519 - Device having precision input capability: An input device may include input keys, where each key may has associated with it a first sensitivity, a second sensitivity, and an input information, and key registration logic may include logic to detect a first stimulus that corresponds to the first sensitivity of a first key of the input... Agent: Harrity & Harrity, LLP 20080309521 - Mobile communication apparatus and keypad input method: A mobile communication apparatus comprising: a plurality of input keys for receiving a user inputs for performing functions of the mobile communication apparatus; a plurality of touch sensors configured on surfaces of the keys for sensing touches and generating a sensor signal; a controller for generating a command according to... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang 20080309522 - Keyboard with touch sensitive zones and corresponding computer user interface: A keyboard key has a key portion that forms a cantilevered beam pivotable about an axis. A switch is disposed relative to the cantilevered beam, such that rotation of the cantilever beam about the axis causes depression of the switch. The switch is offset from an applied force-receiving portion of... Agent: Westman Champlin (microsoft Corporation) 20080309523 - Apparatus and method of generating dbi signal in semiconductor memory apparatus: An apparatus for generating a DBI signal in a semiconductor memory apparatus includes a data switching detection unit that detects whether or not previous data is consistent with current data and outputs a detection signal according to a detection result, and a DBI detection unit that outputs a DBI signal... Agent: Venable LLP 20080309524 - Second-order polynomial, interpolation-based, sampling rate converter and method and transmitters employing the same: A sampling rate converter, a method of performing digital sampling rate conversion and a wireless transmitter incorporating the filter or the method. In one embodiment, the sampling rate converter includes: (1) an input configured to receive digital data from a first clock domain sampled at a first sampling rate, (2)... Agent: Texas Instruments Incorporated 20080309525 - Multi-stage code generator and decoder for communication systems: A method of encoding data for transmission from a source to a destination over a communications channel is provided. A plurality of redundant symbols are generated from an ordered set of input symbols to be transmitted. A plurality of output symbols are generated from a combined set of symbols including... Agent: Townsend And Townsend And Crew, LLP 20080309526 - Method and apparatus for a simplified maximum likelihood demodulator for dual carrier modulation: A novel method and apparatus for wireless communication systems for simplifying the maximum likelihood (ML) Dual Carrier Modulated (DCM) demodulation for received DCM signals over frequency selective channels are disclosed. The disclosed method and apparatus are based on the Minimum Euclidean Distance (MED) decoding, which is equivalent to the maximum... Agent: Birch Stewart Kolasch & Birch 20080309527 - Resolver: A resolver includes an excitation signal generator which generates a sine wave and a cosine wave as an excitation signal, a rotor which receives the excitation signal, and a rotary transformer which detects an output signal of the rotor, the resolver being arranged to detect angle information of the rotor.... Agent: Oliff & Berridge, PLC 20080309528 - Device for detecting voltage and analog-to-digital converter (adc) using the same: A voltage detecting device and an analog-to-digital converter (ADC) using the same are provided. The voltage detecting device determines whether input voltage is higher than threshold voltage based on contact of a strip and a membrane. Therefore, high resolution and high speed operation is possible, but with consuming lower power,... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P. 20080309529 - Sigma delta modulators: A method is provided for detecting limit cycles in a sigma delta modulator having an output signal that varies over a series of time intervals. In this method a first value that is indicative of the level of the modulator output signal after a predetermined time interval is stored in... Agent: Woodcock Washburn LLP 20080309531 - Data driver and driving method of organic light emitting display device using the same: A data driver capable of generating data signals with desired voltage values. The data driver includes a first digital-analog converter including a plurality of first switches, the first digital-analog converter selecting two reference voltages from among a plurality of reference voltages by turning on two of the first switches corresponding... Agent: Christie, Parker & Hale, LLP 20080309530 - Quantizing circuits with variable parameters: Systems, methods, and devices are disclosed, such as a device including a floating-gate transistor, a quantizing circuit coupled to the floating-gate transistor, and a controller configured to vary a voltage of a gate of the floating-gate transistor when reading data from the floating-gate transistor.... Agent: Fletcher Yoder (micron Technology, Inc.) 20080309532 - Solid-state imaging device and method of manufacturing thereof: The invention provides a solid-state image sensor comprising a pixel array, a reading circuit, an analog-to-digital (A/D) circuit, a decoding circuit, a driving circuit, a power array, a spare circuit, a fuse array, and a repair unit. When one described element fails, a repair procedure is applied to select a... Agent: Birch Stewart Kolasch & Birch 20080309536 - Analog-to-digital converter of the sigma delta type: An analog-to-digital converter (ADC1) of the Sigma Delta type provides a stream of digital output samples (OUT) in response to an analog input signal (IN). The analog-to-digital converter (ADC1) comprises a quantizer (QNT) that has a dead zone. The quantizer (QNT) provides a digital output sample that has a neutral... Agent: Nxp, B.v. Nxp Intellectual Property Department 20080309533 - Comparators for delta-sigma modulators: Methods, systems and devices are disclosed, such as an electronic device that includes a plurality of data locations and a delta-sigma modulator. In some embodiments, the delta-sigma modulator includes a preamplifier coupled to the data locations and a latch coupled to the preamplifier.... Agent: Fletcher Yoder (micron Technology, Inc.) 20080309535 - Feedforword sigma-delta ad converter with an optimized built-in filter function: The present invention relates to a receiver apparatus, analog-to-digital converter apparatus, and method of converting an analog input signal into a digital output signal, wherein an additional direct feedforward path is introduced to compensate for peaking of feedforward structures while preserving frequency selectivity of the feedforward topology. In particular, the... Agent: Nxp, B.v. Nxp Intellectual Property Department 20080309534 - Quantizing circuits for semiconductor devices: An electronic device that includes an internal data storage location coupled to an electrical conductor and a quantizing circuit coupled to the internal data storage location via the electrical conductor. In some embodiments, the quantizing circuit includes an analog-to-digital converter having an input and an output, where the input is... Agent: Fletcher Yoder (micron Technology, Inc.) 20080309537 - Pseudo-differential class-ab digital-to-analog converter with code dependent dc current: A digital-to-analog converter, RF transmit channel and method, for converting a digital signal of N bits having a set M of most significant bits and a set L of least significant bits to an analog signal, are disclosed. The digital signal defines a set of coded values which are converted... Agent: Qualcomm Incorporated 20080309538 - Digital/analog converting driver and method: A digital/analog converting driver and a digital/analog converting method, in which the digital/analog converting driver converts digital data having M+N (M and N are integers) bits into an analog voltage and includes a first converting unit, a second converting unit, and an analog voltage outputting unit. The first converting unit... Agent: F. Chau & Associates, LLC 20080309540 - Integrators for delta-sigma modulators: Methods, systems and devices are disclosed. Among the disclosed devices is an electronic device that, in certain embodiments, includes a plurality of memory elements or imaging elements connected to a bit-line and a delta-sigma modulator connected to the bit-line. The delta-sigma modulator may include an integrator having a differential amplifier.... Agent: Fletcher Yoder (micron Technology, Inc.) 20080309539 - Quantizing circuits with variable reference signals: Systems, methods, and devices are disclosed, such as an integrated semiconductor device that may include a data location coupled to an electrical conductor, a delta-sigma modulator coupled to the electrical conductor, a counter coupled to an output of the delta-sigma modulator, and an interfuser coupled to an output of the... Agent: Fletcher Yoder (micron Technology, Inc.) 20080309541 - Flash analog-to-digital converter: A flash analog-to-digital converter comprises a resistive string powered by a reference voltage source for providing a set of equidistant reference voltages and a set of comparators for comparing the analog input signal with the reference voltages. A set of switches are arranged and controlled to perform an algorithm for... Agent: Nxp, B.v. Nxp Intellectual Property Department 20080309542 - A/d converter circuit and a/d conversion method: An A/D converter circuit has a first ring delay line and a second ring delay line configured to vary respective characteristics in the same manner relative to a change in the ambient temperature. A reference voltage, which is free from a change in temperature, is fed as a power supply... Agent: Posz Law Group, PLC 12/11/2008 > patent applications in patent subcategories.20080303697 - Input apparatus, control apparatus, control system, control method, and program therefor: An input apparatus includes a first acceleration sensor, a second acceleration sensor, a first angular velocity sensor, a second angular velocity sensor, and velocity information output means. The first acceleration sensor detects a first acceleration value in a first direction. The second acceleration sensor detects a second acceleration value in... Agent: Bell, Boyd & Lloyd, LLP 20080303698 - Gaming keyboard and related methods: A gaming keyboard and related methods are disclosed that provide features to enhance the computer gaming experience. A keyboard connection pod is disclosed that improves power capabilities of the keyboard thereby allowing for enhanced features that require more power. A panic mechanism is disclosed that can be triggered to cause... Agent: O'keefe, Egan, Peterman & Enders LLP 20080303699 - Mimo wireless precoding system robust to power imbalance: The present invention relates to methods and apparatus for preventing power imbalance in a multiple input multiple output (MIMO) wireless precoding system. According to one aspect of the present invention, a codebook is constructed with a first subset of codewords that are constant modulus matrices, and a second subset of... Agent: Robert E. Bushnell 20080303700 - Amplifier circuit, digital-to-analog conversion circuit, and display device: Disclosed is a digital-to-analog conversion circuit in which first and second serial DACs and an amplifier circuit for driving a data line are provided. In a first data period, the first serial DAC converts a first digital signal received in the first data period to a first signal, the second... Agent: Mcginn Intellectual Property Law Group, PLLC 20080303701 - Cdd precoding for open loop su mimo: A method for data transmission, comprises the steps of modulating data to be transmitted via a transmitter into a plurality of modulated symbols, generating a codebook comprising a plurality of codewords, selecting a codeword from the codebook as a precoding matrix by a predetermined cycling selection, precoding the modulated symbols... Agent: Robert E. Bushnell 20080303702 - A/d converter: An A/D converter capable of generating an interrupt for requesting a control circuit to read the results of A/D conversion, in desired timing. Analog signals input from channels selected by a channel-selecting section are input to an A/D conversion section, and are sequentially A/D-converted. The results of A/D conversion are... Agent: Staas & Halsey LLP 20080303703 - Cross-coupled switched capacitor circuit with a plurality of branches: A cross-coupled switched capacitor circuit that has two branches. During a first phase for the first branch, an input voltage is provided that causes charge to move through a resistor and to be placed onto a plate of the capacitor within the branch. An equivalent amount of charge is transferred... Agent: Bromberg & Sunstein LLP 20080303704 - Low-power inverted ladder digital-to-analog converter: An inverted ladder circuit for a Digital to Analog Converter (DAC) having an input binary word representing an input value and an output current corresponding to a converted analog value. The inverted ladder circuit includes at least two fine resistor ladders, including at least an upper fine resistor ladder and... Agent: Edward Langer C/o Shiboleth Yisraeli Roberts Zisman & Co. 20080303705 - A/d conversion circuit, control method thereof, solid-state imaging device, and imaging apparatus: An A/D conversion circuit includes: an input capacitance to which an input signal and a reference signal are sequentially applied; an operational amplifier; a first switch connected between the other end of the input capacitance and a first input end of the operational amplifier; a feedback capacitance connected to the... Agent: Robert J. Depke Lewis T. Steadman 20080303706 - Method and apparatus regarding a movable barrier operator remote control transmitter kit: A movable barrier operator remote control transmitter kit comprises a transmitter (200) and, if desired, a user discernable listing (402) of a plurality of different remote control signal instruction protocols. This transmitter can be configured and arranged to automatically incrementally configure the transmitter using a series of protocols with each... Agent: Fitch Even Tabin And Flannery 20080303707 - Wireless remote: Various embodiments include apparatus, systems, and methods including an apparatus comprising a remote operable to receive a non-radio frequency beacon signal, the non-radio frequency beacon signal transmitted within and contained substantially within an approximate line-of-sight transmission space, the non-radio frequency beacon signal including at least one channel information portion, wherein... Agent: Schwegman, Lundberg & Woessner, P.A. 12/04/2008 > patent applications in patent subcategories.20080297377 - Keypad structure and electronic device using the same: An electronic device and a keypad structure thereof are disclosed. The keypad structure includes a first key group, a second key group and a third key group. The second key group is disposed on the left side of the first key group, and the third key group is disposed on... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP 20080297378 - Numeral input method: A numeral input method simply uses the keys of a mobile phone or some of a computer keyboard and the beginning point and the ending point of each English letter manually written by hand on the keys to achieve a numeral code system for the English alphabet. So, under the... Agent: Kamrath & Associates P.A. 20080297379 - Determination of compression state information for use in interactive compression: The invention is directed at a method and apparatus for determining compression state information which is to be used in the compression of data being transmitted between two communicating parties. The method of determining the compression state information for use in interactively compressing data comprises the steps parsing the data... Agent: Borden Ladner Gervais LLP Anne Kinsman 20080297380 - Signal decoding apparatus and signal decoding method: A signal decoding apparatus preventing substantial noise from being produced when transmission error occurs during decoding of scalable-coded information. In this signal decoding apparatus, a coded information operation section (601) performs error detection for base layer coded information, first enhancement layer coded information and second enhancement layer coded information using... Agent: Dickinson Wright PLLC 20080297381 - Methods of using predictive analog to digital converters: Methods and devices are disclosed for performing analog to digital signal conversion in shorter time and/or with less power consumption than that of a comparable analog to digital conversion that uses a conventional sequential approximation method based on a binary search. In one embodiment, a predictive guess is supplied as... Agent: Michael W. Caldwell 20080297382 - Pulse-width modulation of pulse-code modulated signals at selectable or dynamically varying sample rates: Digital audio circuitry including modulation circuitry (35; 135) for generating a pulse-width modulated (PWM) signal from processed pulse-code modulated (PCM) audio signals. The modulation circuitry includes a duration quantizer function (32) that generates a sequence of duration values d(k) from received PCM samples, quantized to integer multiples of periods of... Agent: Texas Instruments Incorporated 20080297383 - Calibrating an analog component using digital feedback information: In one embodiment, the present invention includes an apparatus having an analog front end to receive a signal from a communication channel physical medium, an analog-to-digital converter (ADC) coupled to an output of the analog front end to digitize the received signal, and a digital signal processor (DSP) coupled to... Agent: Trop Pruner & Hu, PC 20080297384 - Analog to digital converter unit: The present invention is a programmable Analog to Digital Converter (ADC) unit (200) that includes an analog to digital converter (204), which includes one or more analog inputs (202). The unit (200) additionally includes a control/status register block (216). The unit 200 further includes a FIFO register block (20)6 with... Agent: Matthew J. Booth & Associates, PLLC C/o Intellevate LLC 20080297389 - Blue-noise-modulated sigma-delta analog-to-digital converter: A sigma-delta ADC (200A) uses blue-noise (random, pseudo-random) modulation (202) to reduce the effect of the substrate noise. Pairs of blue-noise multipliers (202) are placed before and after each non-delayed integrator (106). In the case of a sample-delayed integrator, the integrator is first separated into a non-delayed integrator (110) followed... Agent: Blank Rome LLP 20080297387 - Filter with capacitive forward coupling: This disclosure relates to techniques and architecture for summing, sampling, and converting signals associated with a capacitive feedforward filter using a quantizer.... Agent: Lee & Hayes, PLLC 20080297388 - Programmable sigma-delta analog-to-digital converter: A system includes an analog-to-digital modulator to convert at least one analog input signal into at least one digital output signal. The system also includes a processing device to set an operational order and a quantization level of the analog-to-digital modulator. The analog-to-digital modulator converts the analog input signal into... Agent: Stolowitz Ford Cowger, LLP/cypress 20080297385 - Sigma-delta analog-digital converter for an xdsl multistandard input stage: The invention relates to a sigma-delta analogue/digital converter for an xDSL multi-standard input stage for converting an xDSL signal into a digital output signal, where the sigma-delta analogue/digital converter (1) has: an analogue loop filter (6) which filters an analogue difference signal between the xDSL signal to be converted and... Agent: Jenkins, Wilson, Taylor & Hunt, P. A. 20080297386 - Sigma-delta modulator with dac resolution less than adc resolution: A sigma-delta modulator is provided with a feedback digital-to-analog converter having less resolution than the quantizer, while providing a reduced length output word, requiring minimal additional internal processing, and shaping of the truncation error by an effective noise transfer function greater than the order of the host sigma-delta modulator.... Agent: National Semiconductor Corporation C/o Vedder Price Kaufman & Kammholz 20080297390 - Digital-to-analog converter and method thereof: An integrated circuit may include an operation amplifier, a first capacitor, a plurality of second capacitors, and/or a switching circuit. The operational amplifier may have a first input terminal, a second input terminal, and/or an output terminal. The first capacitor may have a first terminal and a second terminal. The... Agent: Harness, Dickey & Pierce, P.L.C 20080297391 - Optical quantizing unit and optical a/d converter: An optical quantizing unit includes an optical divider dividing 1st optical pulses to be quantized and sending the divided 1st optical pulses into a plurality of paths; a plurality of optical filters passing with different transmittances the divided 1st optical pulses; and an optical threshold filter sequentially receiving the 1st... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP 20080297392 - Signal processing method and device, and analog/digital converting device: The first and second time-domain signals are received, and a difference between the pulse width of the first time-domain signal and the pulse width of the second time-domain signal within a unit time for carrying one item of analog signal information is obtained. The obtained difference is treated as positive... Agent: Arent Fox LLP 20080297393 - Low power 10 gigabit ethernet interface: A low-power communication interface, such as used with 10 Gigabit Ethernet, that uses an analog front end having a charge-domain analog-to-digital converter that uses a charge-domain pipeline.... Agent: Hamilton, Brook, Smith & Reynolds, P.C. 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