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Coded data generation or conversion March listing by industry category 03/10

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing 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.
03/25/2010 > patent applications in patent subcategories.

20100073203 - Worlds smallest keyboard and control means: This invention relates to methods of using a 360° directional movement sensor as a pointing device in eight cardinal point directions or in a downward direction for producing alphabetic data characters, data characters, a space, numbers, punctuation, symbols, control and functions, preferably activated by the left or right thumb. This... Agent: Ezra Sutton, P.A. Suite 201

20100073204 - Keyboard control circuit: A keyboard control circuit for a keyboard having P keys includes an array module that includes P key switches, and a key-matrix having N scan lines that intersect M return lines to form N×M intersections, where P<N×M. The intersections include ghost key positions free of the key switches, and safe... Agent: Rosenberg, Klein & Lee

20100073205 - Portable electronic device: A portable electronic device is provided. The portable electronic device includes a central processing unit, a projecting module electronically connected to the central processing unit, a virtual keypad projection module configured to project a virtual keypad on a surface, an infrared radiation generator configured to irradiate infrared light generally parallel... Agent: PCe Industry, Inc. Att. Steven Reiss

20100073206 - Analog-to-digital conversion circuits and method for calibrating thereof: An analog-to-digital conversion circuit is provided and includes an input unit, at least one analog-to-digital converter, and a processing unit. The input unit receives an analog input signal and outputs an analog output signal. A first reference signal is injected into the input unit, and the analog output signal is... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20100073208 - Apparatus and method for the calibration of delta-sigma modulators: The application relates to a calibration apparatus and calibration method for a tuneable resonator of a delta-sigma modulator of the continuous time, band pass type. The calibration apparatus comprises: a resonator driver capable of causing an oscillating behaviour in a resonator output signal, a reference signal source that provides a... Agent: Dann, Dorfman, Herrell & Skillman

20100073207 - Delta-sigma analog-to-digital converters and methods to calibrate delta-sigma analog-to-digital converters: Delta-sigma analog-to-digital converters (ADCs) and methods to calibrate methods to delta-sigma ADCs are disclosed. In one particular example, a delta-sigma ADC is described, including an n-bit feedback digital-to-analog converter (DAC) having a number of unit elements, and is configured to provide a feedback signal to a summing device, which generates... Agent: Texas Instruments Incorporated

20100073209 - Track and hold amplifiers and analog to digital converters: A track and hold amplifier is provided. The track and hold amplifier includes an input node receiving an analog signal, a buffer coupled between a first node and an output node, a first switch coupled between the input node and the first node, a plurality of switching circuits and a... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20100073210 - Pipelined converter systems with enhanced linearity: Signal converter system embodiments are provided to substantially reduce symmetrical and asymmetrical conversion errors. Signal-processing stages of these embodiments may include a signal sampler in addition to successively-arranged signal converters. In system embodiments, injected analog dither signals are initiated in response to a random digital code. They combine with a... Agent: Koppel, Patrick, Heybl & Dawson

20100073211 - High voltage isolation by capacitive coupling: The present invention comprises a circuit for transferring N inputs, wherein N is greater than or equal to 2, across a capacitive coupling media comprising a line circuit, a coupling capacitor, and a neutral potential circuit. The line circuit comprises: (1) a data converter for each input, for sampling and... Agent: North Weber & Baugh LLP

20100073212 - Digital-to-analog converting system with sampling rate conversions and sampling rate converting method thereof: A digital-to-analog converting system with sampling rate conversions includes an interpolator, S orders of operating and filtering units, an up-converting and down-converting circuit, and a signal processing circuit. The interpolator performs an N-times interpolation on a first digital input signal to generate a second digital input signal. Each order of... Agent: North America Intellectual Property Corporation

20100073214 - Differential operational amplifier circuit correcting settling error for use in pipelined a/d converter: A telescopic differential operational amplifier circuit for use in a pipelined A/D converter is provided with two auxiliary differential amplifiers connected to two cascode circuits, each including cascode-connected first to fourth transistors. During the sampling phase, first and second switches are turned on to apply a predetermined bias voltage to... Agent: Wenderoth, Lind & Ponack, L.L.P.

20100073213 - Signal processing device: A CLK generating section of a digital ALC generates a multiplication clock signal that is obtained by multiplying a triangular wave generated at a triangular wave generating circuit. On the basis of the multiplication clock signal, a signal converting section converts a one-bit digital audio signal outputted from an outputting... Agent: Taft, Stettinius & Hollister LLP

20100073215 - Unified architecture for folding adc: A system, apparatus and method for a folding analog-to-digital converter (ADC) are described. The general architecture of the folding ADC includes an array (1−N) of cascaded folding amplifier stages, a distributed array of fine comparators, and an encoder. Each folding amplifier stage includes folding amplifiers that are configured to receive... Agent: Munck Carter/nsc

03/18/2010 > patent applications in patent subcategories.

20100066569 - Keyboard integrated with camera module: A keyboard includes a keyboard body, and a camera module. The camera module includes a support, a receiving portion and a camera unit. The support includes a first connecting end and a first receiving end. The receiving portion includes a rotating end and an opposite second receiving end. The support... Agent: PCe Industry, Inc. Att. Steven Reiss

20100066568 - Keyboard structure with a self-luminous circuit board: A keyboard structure includes a circuit board prepared from a flexible light guide material and carrying a circuit layout, multiple key switch modules for operation by a user to cause the circuit board to produce a respective electrical signal, and multiple luminous units installed in a flexible light guide substrate... Agent: Ching-ping Lee

20100066570 - Qwerty keypad: Larger keys can be arranged on a given QWERTY keyboard area by providing nine keys on each of three rows and positioning a single key, such as the key typically representing the letter “P”, above the top row of keys. This can provide about a ten percent (10%) increase in... Agent: Lawrence J. Shurupoff

20100066567 - Resistive switch matrix: Architecture for a keyboard that supports the n-key rollover feature, while being compatible with well established, high volume, inexpensive manufacturing techniques. The design is a matrix design that uses resistors at each key rather than diodes, and employs novel circuits which allow any combination of simultaneous key presses to be... Agent: Microsoft Corporation

20100066571 - Keypad and method for identifying keystrokes of a keypad: Embodiments of the invention are related to a keypad and an electronic device having a keypad. In one embodiment a keypad comprises a plurality of keys. Each of the plurality of keys comprises one main electrode and at least one signal electrode is being adapted to connect electrically the main... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20100066572 - Resistive switch matrix: Architecture for a keyboard that supports the n-key rollover feature, while being compatible with well established, high volume, inexpensive manufacturing techniques. The design is a matrix design that uses resistors at each key rather than diodes, and employs novel circuits which allow any combination of simultaneous key presses to be... Agent: Microsoft Corporation

20100066573 - Systems and methods for providing unequal error protection using embedded coding: A method for embedded encoding of at least two types of information is described. A first message and a second message are received. The types of a first encoder and a second encoder are determined. The rates of the first encoder and the second encoder are determined. A first codeword... Agent: Austin Rapp & Hardman

20100066574 - Hybrid analog to digital converter circuit and method: A hybrid analog to digital converter circuit for a feedback input to a digital controller of a power supply includes a high resolution, analog to digital converter circuit in communication with a voltage error signal. The high resolution analog to digital converter circuit is configured to provide a first correction... Agent: Texas Instruments Incorporated

20100066575 - Methods and systems for calibrating a pipelined analog-to-digital converter: This method increases accuracy of a pipelined analog-to-digital converter comprising a plurality of stages, each stage comprising an analog-to-digital converter (ADC) and a digital-to-analog converter (DAC). The method includes calibrating each the ADC starting from a least significant stage until all ADCs have been calibrated using a reference digital-to-analog converter,... Agent: Steven L. Nichols Rader, Fishman & Grauer PLLC

20100066576 - Superconductor multi-level quantizer: A superconductor multi-level quantizer is disclosed, which quantizer includes a number N of Josephson junction (JJ) comparators connected in parallel to a common input node. The quantizer further includes at least one flux bias device. Each flux bias device is capable to adjust the flux threshold for at least one... Agent: George Sai-halasz

20100066578 - Bandpass multi-bit sigma-delta analog to digital conversion: Examples of a system and method for sigma-delta analog-to-digital conversion of an electrical input signal are disclosed. A bandpass-filtered signal based on an electrical input signal and an analog feedback signal may be provided. A multi-bit digital representation of the bandpass-filtered signal may be provided. An analog representation of the... Agent: Mcdermott Will & Emery LLP

20100066577 - Delta-sigma analog-to-digital converter: An exemplary continuous-time delta-sigma analog-to-digital converter includes a loop filter, a quantizer, a dynamic element matching circuit, a latch, and a digital-to-analog converter (DAC). The loop filter contains a plurality of integrators coupled in series, including a first integrator and a second integrator; a first positive feedback resistive element, placed... Agent: North America Intellectual Property Corporation

20100066579 - Gray code current mode analog-to-digital converter: One embodiment of the present invention is a Gray code current-mode analog to digital (ADC) converter using a Gray code current-mode ADC building block. The Gray code current-mode ADC building block can produce a Gray code bit and a current output that is sent to a next Gray code ADC... Agent: Fliesler Meyer LLP

20100066580 - Nonlinear mapping in digital-to-analog and analog-to-digital converters: In a high-fidelity digital modulator, a mapper is provided to minimize quantization noise, jitter, and cross-talk between multiple digital-to-analog or analog-to-digital converters. The mapper receives a quantized level from a quantizer and maps the quantized level to an output sequence. The mapper includes a table defining multiple sequences corresponding to... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20100066582 - Current mode double-integration conversion apparatus: A double-integration signal processing apparatus for pulse width amplification and A/D conversion is provided. The current mode double-integration conversion apparatus includes: a current mode double-integration unit which integrates an input current in a predetermined time interval and outputs an integration voltage; a comparison unit which compares the integration voltage output... Agent: Blakely Sokoloff Taylor & Zafman LLP

20100066581 - Sample/hold circuit, and analog-to-digital converter: There is disclosed a sample-and-hold circuit. An operational amplifier includes an inverting input terminal, a non-inverting input terminal, an inverting output terminal, and a non-inverting output terminal. First and second groups of capacitors are operated in first to third modes periodically. Positive and negative input signals are input to charge... Agent: Turocy & Watson, LLP

20100066583 - Multi-stage successive approximation register analog-todigital converter and analog-to-digital converting method using the same: A multi-stage Successive Approximation Register Analog-to-Digital Converter (SAR ADC) and an analog-to-digital converting method using the same are provided. The multi-stage SAR ADC connects small-size and low-power SAR ADCs in multiple stages, thereby reducing a whole chip size and power consumption. The analog-to-digital converting method simultaneously performs analog-to-digital conversions in... Agent: Ampacc Law Group

20100066584 - Interface for remote controllers: An apparatus and method interfaces consumer devices and wireless remote controllers. A remote controller interface is configured to sense and process wireless control signals received from a set of secondary remote controllers associated with a set of secondary consumer devices. There is one secondary remote controller for each secondary consumer... Agent: Mitsubishi Electric Research Laboratories, Inc.

03/11/2010 > patent applications in patent subcategories.

20100060489 - Arrangement for the detection of body parts by absorbing an electrical near field: The invention relates to an arrangement for detecting body parts by absorbing an electric near field. Various, particularly capacitive methods exist for detecting an approaching human body. Most of said methods operate on the principle that an electrode emits an alternating electric field, the distribution of which changes towards the... Agent: K.f. Ross P.C.

20100060488 - Clutch-height adjustment in an optical tracking device: Architecture for managing clutch height in an optical navigational device such as a computer mouse. In one embodiment for a mouse, a feature can be molded into the bottom case that limits the clutch height by occluding the reflected light to the image sensor when the device is lifted from... Agent: Microsoft Corporation

20100060490 - Circuit arrangement and method for the operation of a circuit arrangement: A circuit arrangement (1) comprises a current source (10), a comparator (50) and a control device (90). The current source (10) serves for supplying a light-emitting diode (41). The comparator (50) may be coupled to the light-emitting diode (41) at a first input (51) via a push-button (101). The comparator... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20100060491 - Operating apparatus and electronic device having the same: Disclosed herein are an operating apparatus and an electronic device having the same. According to the operating apparatus, key values of a button can be variably changed each time a key value changing button is pushed so that the button can have several key values. Accordingly, a variety of functions... Agent: Staas & Halsey LLP

20100060492 - Combination input unit: A combination input unit comprises a printed circuit board, a press key, a retaining bracket, a light transmissive rotary dial, and a housing. The printed circuit board accommodates an encoder circuit, a plurality of contacts, and a plurality of light sources. The press key is disposed above the contacts, and... Agent: PCe Industry, Inc. Att. Steven Reiss

20100060493 - Multi-channel sampling system and method: An apparatus and method for sampling a plurality of digital video signals to generate an interleaved digital video signal is disclosed. The apparatus includes: a first analog-to-digital converter (ADC), coupled to an analog input signal, for converting the analog input signal to a first digital output signal according to a... Agent: North America Intellectual Property Corporation

20100060494 - Analog to digital converter: An analog to digital converter (ADC) can operate in an amplifier configuration or a converter configuration. In the amplifier configuration, the ADC receives an input voltage and scales the input voltage by a factor during at least one clock cycle. In the converter configuration, the ADC uses the scaled input... Agent: Fish & Richardson P.C.

20100060495 - Analog digital convert apparatus, analog digital convert method, control apparatus and program: Provided is an AD converting apparatus that converts an analog input signal into a digital output signal, comprising a plurality of AD converters supplied with sampling clocks differing from each other by prescribed phase amounts, each AD converter outputting an individual signal obtained by digitizing the input signal according to... Agent: Jianq Chyun Intellectual Property Office

20100060497 - Group delay characteristic correcting device and group delay characteristic correcting method: A disclosed group delay characteristic correcting device corrects group delay characteristics of an analog low-pass filter used to remove aliasing of a digital-analog converter or an analog-digital converter. The group delay characteristic correcting device includes a digital signal processing unit configured to have an all-pass phase circuit at a stage... Agent: Staas & Halsey LLP

20100060496 - Minimizing adverse effects of skew between two analog-to-digital converters: Skew between a first clock signal received by a first analog-to-digital converter (ADC) and a second clock signal received by a second ADC is adjusted to minimize error. Each ADC has an ADC element that produces a respective first or second digital output signal in response to an analog input... Agent: Smith Frohwein Tempel Greenlee Blaha, LLC

20100060498 - Calibration circuit and associated method: A calibration circuit and method suitable for black level calibration in image processing, the circuit comprising an analogue gain amplifier, an analogue to digital converter; a correction circuit for receiving a digital signal and providing a digital offset signal; and a digital to analogue converter for receiving said digital offset... Agent: Dickstein Shapiro LLP

20100060499 - Control closed-loop device and sigma-delta modulator: The present invention relates to a device for slaving a first component in a closed loop, a second component in the return circuit to the loop input having a multiplicative noise. It also relates to a sigma-delta modulator making it possible to convert an analog input signal into a digital... Agent: Darby & Darby P.C.

20100060500 - Analog/digital converter assembly and corresponding method: An analogue/digital converter arrangement and a method. A differential input voltage is converted by means of a differentially implemented capacitative voltage divider that comprises two programmable capacitor banks (3, 4), and with the aid of the comparator (6) into a digital output signal.... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20100060502 - A/d converter: There is provided an A/D converter capable of changing specification and function of the A/D converter with the use of a programmable circuit by combining comparators with the programmable circuit. The A/D converter comprises a parallel-connected comparison circuit including a plurality of comparators, an analog signal being inputted to one... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20100060501 - Rail to rail flash: An analogue to digital converter comprising: a first set comprising nodes defined by circuitry such that each node is at a respective voltage, the voltages on the nodes being in an orderly progression between the voltage of a first current source and the voltage of a first input node; a... Agent: Greenberg Traurig LLP (la)

20100060503 - Successive approximation type a/d converter, method of controlling successive approximation type a/d converter, solid-state imaging device, and imaging apparatus: A successive approximation type A/D converter includes: a reference signal generating section generating a reference signal; a comparator comparing an analog signal input thereto with the reference signal and converting the analog signal into a digital signal; and a control section controlling the reference signal to perform oversampling by executing... Agent: Sonnenschein Nath & Rosenthal LLP

20100060504 - Image processing system and control method thereof: There are provided an image processing system and a control method thereof. The image processing system includes a control terminal which outputs control information for controlling an operation of at least one image processing apparatus according to a preset input through a wireless communication protocol, and a relay unit which... Agent: Sughrue Mion, PLLC

20100060506 - Multimedia assembly with a programmable universal remote control unit and method of programming a remote control unit: A multimedia assembly with a programmable universal remote control unit, which is configured to “learn” remote control codes from original remote control units, and which provides that remote control signals are transmitted from original remote control units to the control unit where they are analyzed, decoded, and newly encoded; and... Agent: Senniger Powers LLP

20100060505 - System and method for extending transmitter training window: A method for configuring a transmitter device to transmit a recognized transmission to a receiving device is provided. The method includes transmitting a first transmission and transmitting a second transmission after the first transmission. The method further includes receiving, during the second transmission, a user input signal from an interface... Agent: Foley And Lardner LLP Suite 500

03/04/2010 > patent applications in patent subcategories.

20100052950 - Multi-input multi-directional device for computer or electronic device input (keyboard-type device): The invention is to enable quick keyboard input for practically any sized device through the use of two primary multi-direction inputs. By pressing two multi-direction inputs, each in a direction, the user enters an alphanumeric character. Existing patents (U.S. Pat. Nos. 6,590,566, 7,171,498, 7,417,566) require larger, slower interfaces or aren't... Agent: Stephen R. Collier

20100052951 - Nine sensor data entry keyboard and control means: This invention relates to methods of using nine sensors, preferably a centrally located sensor surrounded by eight adjacent sensors, to produce data. This invention also relates to methods of producing data using a multi-tap data entry method using nine sensors, a simultaneous data entry method using more than nine sensors... Agent: Ezra Sutton,p.a. Plaza 9

20100052952 - Key scanning circuit: In a key scanning circuit, a key input unit has a parallel connection of a plurality of circuits having a series connection of resistors and switches between a power supply input terminal and a key scanning terminal. The resistors connected in parallel have different resistances. A current mirror has a... Agent: Lowe Hauptman Ham & Berner, LLP

20100052953 - Providing running digital sum control in a precoded bit stream using precoder aware encoding: A system includes a precoder-aware running digital sum (RDS) encoder that encodes user data as w-bit sub-blocks, to produce an encoded data block that meets block RDS constraints and consists of encoded data sub-blocks that meet sub-block RDS constraints. The sub-block constraints include the data sub-blocks having the same magnitude... Agent: Seagate Technology LLC C/o Westman, Champlin & Kelly, P.A.

20100052954 - Converting a mask constraint into a bitset constraint: Converting a mask constraint into a bitset constraint. For example, a method of converting a mask constraint into a bitset constraint may include determining an intermediate bitset based on a variable-bit component of the mask constraint; and generating the bitset constraint based on the intermediate bitset and on a fixed-bit... Agent: Ibm Corporation, T.j. Watson Research Center

20100052955 - Table generation method for decoding variable-length codes: Provided is a table generation method of decoding a variable-length code. The table generation method includes receiving a variable-length code table and a search width N, generating a K-ary tree from the variable-length code table and the search width N, and generating an N-bit code table from the K-ary tree.... Agent: Rabin & Berdo, PC

20100052956 - Apparatus and method for lossless coding and decoding: A lossless coding and/or decoding apparatus and method. The lossless coding apparatus may read a probability model corresponding to each of a plurality of context groups. Here, the probability model stored in a memory may be generated by grouping a context. The lossless coding apparatus may code a symbol using... Agent: Staas & Halsey LLP

20100052957 - Charge domain successive approximation analog-to-digital converter: An analog to digital conversion circuit and method is presented. The analog to digital circuit (100) comprises a first capacitor (103), arranged for being switchably (102) connected on one side to an input voltage (101), at least one successive approximation circuit (104), a comparator (108) arranged for outputting a sign... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP

20100052958 - Sample-dependent amplification of magnetic resonance signal: A digitizer for digitizing a magnetic resonance (MR) signal is hereby disclosed, the digitizer comprising at least two analog amplifiers (1021, 1022 . . . 102n) electrically connected in parallel and configured to amplify the MR signal, wherein each analog amplifier has a different analog gain value, a measuring unit... Agent: Philips Intellectual Property & Standards

20100052959 - Continuous-time sigma-delta modulator using dynamic element matching having low latency and dynamic element matching method thereof: In a continuous-time sigma-delta modulator, by using dynamic element matching (DEM) with respect to comparators of a quantizer, or by generating a plurality of candidate DEM results in advance for selecting an approximate DEM result, a time slot for DEM operations in each cycle of a sampling signal is significantly... Agent: North America Intellectual Property Corporation

20100052961 - Delta sigma analog-to-digital converter: A ΔΣ analog-to-digital converter includes a previous stage amplifier circuit which amplifies an input signal, a conversion circuit which converts an analog signal into a digital signal, where the analog signal is output from the previous stage amplifier circuit, an input node provided in the previous stage amplifier circuit, a... Agent: Young & Thompson

20100052960 - Dual data weighted average dynamic element matching in analog-to-digital: Methods and systems to provide dynamic element matching (DEM) in multi-phase sample systems include multiple uncorrelated, dual data weighted averaging, dynamic element matching (DDWA DEM). DDWA DEM may be implemented in a multiple-phase sample system in which sample paths and feedback paths share capacitances. Compensation feedback is apportioned amongst corresponding... Agent: Garrett Ip, LLC

20100052962 - Polyphase electric energy meter: A polyphase electric energy meter comprises a microcontroller with a front end that converts analog current input signals and analog voltage input signals to digital current and voltage samples for processing by the microcontroller. The front end includes separate input channels, each for one of the current input signals with... Agent: Texas Instruments Incorporated

20100052964 - Digital to analog converter and display driving system thereof: A digital to analog converter of the source driver includes a gamma voltage generator and a data decoder. The gamma voltage generator receives a gamma code to generate an analog gamma voltage. The gamma voltage includes a register, a reference decoder, and a calibrator. The register stores the gamma code.... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20100052965 - Digital-analog converter circuit, solid-state imaging device, and imaging apparatus: A digital-analog converter circuit includes: a first digital-analog conversion part that obtains an analog output signal in response to a value of a digital input signal; and a second digital-analog conversion part that generates a control signal in response to a value of a digital gain control input signal externally... Agent: Robert J. Depke Lewis T. Steadman

20100052963 - Digital-to-analog converter: A PRA-DAC is disclosed. The PRA-DAC is operable to increase its conversion speed.... Agent: Fish & Richardson P.C.

20100052966 - Differential amplifier and data driver employing the differential amplifier: Disclosed is a differential amplifier which includes first and second input terminals, an output terminal, first and second differential pairs, and first and second current sources for supplying currents to the first and second differential pairs. The first differential pair has first and second inputs of an input pair connected... Agent: Dickstein Shapiro LLP

20100052967 - Analog to digital converter (adc) with extended dynamic input rang: A method and apparatus is disclosed to extend a dynamic input range of an analog to digital converter (ADC). A composite ADC may include one or more ADCs. The one or more ADCs compare a signal metric of an analog input signal to quantization levels to produce intermediate digital output... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

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