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Coded data generation or conversion May archived by USPTO category 05/09

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.
05/28/2009 > patent applications in patent subcategories.

20090135028 - Rotary encoding switch: In one embodiment of the present invention, a rotary encoding switch is disclosed such as used in the function setting for relays or similar. In one embodiment, a particularly secure function setting for relays or similar may be achieved by means of a rotary encoding switch with a number of... Agent: Harness, Dickey & Pierce, P.L.C

20090135029 - Handheld electronic device that has a keypad which can be rendered ineffective, and associated method: An improved handheld electronic device is movable among a retracted configuration and a deployed configuration. Several different exemplary embodiments are described, some having two members, others having more. In one embodiment, certain features or objects are unavailable in a retracted configuration but are available in a deployed configuration or an... Agent: Eckert Seamans Cherin & Mellott

20090135030 - Uniquely identifiable keys for electronic keyboards: An electronic keyboard including a plurality of keys arranged as a matrix, each key including a plunger, and a conductive element on the bottom of the plunger, the conductive element having a characteristic resistance, an electronic circuit having an input current source, and mounted on a surface beneath the plurality... Agent: Soquel Group, LLC

20090135031 - Armored capacitive keypad: An apparatus and method for detecting a key press using an armored capacitive keypad device. The device consists of two interdigitated electrodes, located behind a protective metal plate, and separated by an insulating gap or material. An electronic driver circuit sends a signal to one of the electrodes and senses... Agent: Key Systems, Inc. C/o Brown & Michaels, PC

20090135032 - Dual purpose serializer/de-serializer for point-to-point and point-to-multipoint communication: A dual purpose serializer/de-serializer (SerDes) for point-to-point and point-to-multipoint communication. A configurable SerDes can be designed to operate in one of a plurality of operating modes. Selection between the plurality of operating modes can be based on information received via a management interface. In one example, the various operating modes... Agent: Law Office Of Duane S. Kobayashi

20090135033 - Apparatus and method for efficient analog-to-digital conversion: For digitizing analog measurement signals, an analog-to-digital converter is used, wherein the offset to be subtracted from an analog measurement value is taken to account within a locked loop by means of which an analog-to-digital converter operating according to the modulation principle is fed back.... Agent: Schoppe, Zimmermann , Stockeler & Zinkler C/o Keating & Bennett, LLP

20090135034 - System and method for receiving analog and digital input: A system and a method are provided for receiving analog and digital audio input via a single audio input connector. The method includes receiving an input signal from a single audio input connector, splitting the received input signal into a first input signal and a second input signal, filtering the... Agent: Gardere Wynne Sewell LLP Intellectual Property Section

20090135035 - Adapting filter to detected interference level: A receiver uses a sigma delta ADC (126) and an adaptable digital filter (132). Detector circuitry detects information about unwanted parts of the signal from an oversampled digital signal, before the filtering, and feeds forward the detected information to the filter, to adapt the filter. By feeding forward the detection... Agent: Nxp, B.v. Nxp Intellectual Property Department

20090135037 - Correcting offset errors associated with a sub-adc in pipeline analog to digital converters: An offset correction circuit examines a residue signal of a stage of a pipeline analog to digital converter (ADC) to determine whether a parameter which could cause offset error, needs to be adjusted. In an embodiment, the parameter is adjusted until a maximum range of the residue signal equals an... Agent: Texas Instruments Incorporated

20090135036 - Differential current-mode translator in a sigma-delta digital-to-analog converter: A differential current-mode sigma-delta digital-to-analog converter (SD DAC) and a method for generating positive and negative reference voltages in a sigma-delta digital analog converter are described. The SD DAC includes a low pass filter (LPF) having a first and second input. The SD DAC further includes a first resistance and... Agent: Honeywell International Inc.

20090135038 - Sigma delta modulator summing input, reference voltage, and feedback: A multibit sigma delta modulator for conveting an analog input signal (Vin) into a multibit digital output signal is disclosed. In one embodiment, the multibit sigma modulator includes a first analog filter for filtering the analog input error signal, a quantizer including multiple single bit noise shaped modulators for quantizing... Agent: Wade James Brady Iii Texas Instruments Incorporated

20090135039 - Switched capacitor circuit, switched capacitor filter, and sigma-delta a/d converter: A switched capacitor circuit includes a capacitor that performs sampling, a first switch that is provided between the capacitor and an input terminal, and a second switch that is provided between the capacitor and an output terminal. The first switch and the second switch receive an input of a clock... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090135040 - Method for controlling delay time of pulse delay circuit and pulse delay circuit thereof: An inverter circuit configuring a delay unit is a so-called CMOS transistor including a PMOS transistor and an NMOS transistor, of which respective gates are interconnected and respective drains are interconnected. The source and a back gate of the NMOS transistor are connected to the ground. The source of the... Agent: Posz Law Group, PLC

20090135041 - Analog-to-digital converter for accumulating reference voltages successively divided by two: An analog-to-digital converter includes a ½ powered signal generator configured to generate divided signals by successively dividing a full scale signal by 2 and output one of the divided signals, an accumulator configured to update a reference signal according to a current divided signal and a current output bit, and... Agent: Harness, Dickey & Pierce, P.L.C

05/21/2009 > patent applications in patent subcategories.

20090128367 - Sensing ball: The present invention provides a sensing ball comprising a ball body on which several sensors are mounted, and in the ball body are mounted motors, an eccentric device driven by the motor and a controller for controlling rotation of the eccentric device, in which the sensors are connected to the... Agent: Jacobson Holman PLLC

20090128370 - Angular keyboard for a handheld mobile communication device: Wireless handheld mobile communication device including a housing with a display above a keyboard exposed for user actuation. A length of the device is greater than the width. Each key of a right-hand keyfield has a longitudinal axis oriented at a left-to-right inclined angle while each key of a left-hand... Agent: Novak Druce + Quigg LLP (rim)

20090128369 - Keyboard for a mobile device: A keyboard apparatus includes a group of keys with corresponding actuation indicia for a plurality of numerals in a telephone keypad and a plurality of letters in an overlapping text-entry keyboard. Each key in the group is configured for multi-directional movement pivotally into multiple actuated positions that comprise at least... Agent: Novak Druce + Quigg LLP (rim)

20090128368 - Split keyboard: A keyboard includes a plurality of keys associated with alphanumeric characters including the letters A-Z. The keys are split into a left side section and a right side section. The left side section is oriented at least partially above the right side section, or the right side section is oriented... Agent: Lorri W. Cooper, Esq. Jones Day

20090128371 - Electroluminescence device: An electroluminescence device includes a first electroluminescence part, a second electroluminescence part, a key layer, a direction detecting module, a circuit switch module and a touch induced circuit. The first electroluminescence part and the second electroluminescence part are mounted on the same plane. The key layer is stacked above the... Agent: Morris Manning Martin LLP

20090128372 - Metal keypad panel structure with micropore array: A metal keypad panel structure with a micropore array includes a metal keypad panel, a filling, a pattern layer, a backlight module and an electric signal module. The metal keypad panel has micropores filled with the filling. The pattern layer is on a side of the metal keypad panel. The... Agent: Hdls Patent & Trademark Services

20090128373 - Twin-contact keyboard arrangement: Devices, methods, and techniques for keyboard scanning are disclosed herein. Keyboard arrangements can include a plurality of keys and a keyboard decoder. Each of the plurality of keys can include at least one drive contact and a plurality of sense contacts. Each drive contact can be connected to an output... Agent: Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P.

20090128374 - Determining actuation of multi-sensor-electrode capacitive buttons: Methods for determining actuation of a capacitive button are described. In some embodiments, indicia from the at least three distinct sensor electrodes associated with at least three sensor electrode elements comprising the capacitive button are received, the indicia indicative of interaction of an input object with the at least three... Agent: Synaptics C/o Wagner Blecher LLP

20090128375 - Control apparatus having at least one pushbutton switch and domestic appliance having a control apparatus: A control apparatus having at least one pushbutton switch can be used, for example, in a control panel of an electronic domestic appliance. The control apparatus includes a mount element, a piezo-film having at least one sensor field corresponding to the at least one pushbutton switch, a first adhesive layer... Agent: Lerner Greenberg Stemer LLP

20090128376 - Method and apparatus for controlling a keypad of a device: A device (2600) includes a controllable skin texture (2606) defining a keypad (2610), a sensor (2602), and control logic (200). The sensor senses a proximity of a pointing element (2900) to a particular key (2800, 2808, 2902, 2908) of the keypad based on a user input. The control logic adjusts... Agent: Motorola Inc. C/o Vedder Price P.C.

20090128377 - Incremental redundancy with resegmentation: Different transmissions based on different content blocks which were segmented from the same digital content according to different segmentation schemes, where each of the content blocks has any substring in common with at least one of the other content blocks, are received by a receiving radio communication station, for example... Agent: Integral Intellectual Property Inc.

20090128378 - Modulation coding: Methods and apparatus are provided for modulation coding of input data. In a first scheme, a modulation encoder applies a modulation code to input data to produce an (L,K)-constrained encoded bit-sequence, where K is maximum run-length of 0's, and L is the maximum run-length of 0's in each of the... Agent: Cantor Colburn, LLP - IBM Arc Division

20090128379 - Method and apparatus for computing interpolation factors in sample rate conversion systems: The invention allows the interpolation factor, a critical parameter in sample rate conversion systems, to be computed in a real-time system where there is a complex relationship between a DSP clock and the data clocks. Typically, two or three of the clocks in such a system will have simple relationships... Agent: Teradyne, Inc. C/o Foley & Larder, LLP

20090128380 - Current-controlled cmos logic family: Various circuit techniques for implementing ultra high speed circuits use current-controlled CMOS (C3MOS) logic fabricated in conventional CMOS process technology. An entire family of logic elements including inverter/buffers, level shifters, NAND, NOR, XOR gates, latches, flip-flops and the like are implemented using C3MOS techniques. Optimum balance between power consumption and... Agent: Garlick Harrison & Markison

20090128381 - Codebook for multiple user multiple input multiple output system and communication device using the codebook: Disclosed are a Multiple User Multiple Input Multiple Output (MU-MIMO) codebook design method, and a communication device using the codebook. A MU-MIMO codebook design method includes analyzing beam patterns of candidate vectors included in a predetermined candidate codebook, and eliminating at least one of the candidate vectors based on the... Agent: Mcneely Bodendorf LLP

20090128382 - Semiconductor device, semiconductor device testing apparatus, and semiconductor device testing method: When testing two DACs, i.e., DAC1 and DAC2, a control unit (170) alternately increases the digital input values of the DAC1 and DAC2, whereby the output of a comparator 1 to which the analog output values of the DAC1 and DAC2 are inputted repeats inversion between “0” and “1”. It... Agent: Steptoe & Johnson LLP

20090128383 - Compensation of nonlinearity of single ended digital to analog converters: This disclosure relates to a compensating for nonlinearity resulting from a capacitance feedback in current cells of a single ended digital to analog circuit.... Agent: Infineon Technologies Ag Patent Department

20090128384 - Multi-standard analog-to-digital data conversion: Implementations related to multi-standard digital subscriber line analog-to-digital data conversion are described.... Agent: Lee & Hayes, PLLC

20090128385 - Resettable high order delta-sigma analog to digital converter: A high-order delta-sigma analog-to-digital converter. A plurality of stages are connected to accept an analog input signal and produce a digital output signal. Each stage has a resettable Δ-Σ converter of second order or higher. Resetting each stage before accepting a new input purges the integrators of any information related... Agent: Koppel, Patrick ,heybl & Dawson, PLC

20090128386 - Analogue-to-digital converter and method for using the same: The present disclosure is related to an analogue-to-digital (A/D) converter (1) for converting an input signal (Vin) to a digital code representing said input signal. The A/D converter comprises a comparator (3) for comparing the input signal with a reference signal (VA), a search logic block (4) for determining the... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP

20090128387 - Folded r-2r ladder current-steering digital to analog converter: A folded R-2R ladder current-steering digital-to-analog converter is disclosed. In the folded R-2R ladder current-steering digital-to-analog converter, each node in the R-2R ladder is electrically coupled with a plurality of current sources with different weights. Therefore, the numbers of the resisters and current sources can be reduced, and efficient power... Agent: Wpat, PC

20090128388 - 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: Infineon Technologies Ag Patent Department

20090128389 - Multi-bit per stage pipelined analog to digital converters: Various embodiments of the present invention provide systems and circuits that provide for conversion of analog signals to digital signals. For example, various embodiments of the present invention provide pipelined analog to digital converters. Such converters include a sub-converter and a residue amplifier. The sub-converter receives an analog input, and... Agent: Hamilton,desanctis & Cha (lsi)

20090128390 - Signal level conversion circuit for increasing dynamic range of analog-to-digital converter: Disclosed herein is a signal level conversion circuit for increasing the dynamic range of an Analog-to-Digital Converter (ADC). A comparison and calculation unit compares the value of an input signal Vin and the value of a first reference signal Vref1 and compares the value of the input signal Vin and... Agent: Merchant & Gould PC

20090128391 - Systems and methods for pipelined analog to digital conversion: Various embodiments of the present invention provide systems and circuits that provide for conversion of analog signals to digital signals. For example, various embodiments of the present invention provide methods for performing analog to digital conversions that include providing an analog to digital converter with a residue amplifier that is... Agent: Hamilton,desanctis & Cha (lsi)

20090128392 - Secure link between controller and device: In certain embodiments consistent with the invention, a method of associating a controlled device with a remote controller device involves providing a controlled device with a near field communication (NFC) module; providing a remote controller device with a near field communication (NFC) module; bringing the remote controller device into close... Agent: Miller Patent Services

05/14/2009 > patent applications in patent subcategories.

20090121903 - User interface with physics engine for natural gestural control: A UI (user interface) for natural gestural control is an electromechanical device that receives user inputs in order to provide an enhanced list and grid navigation experience. In various illustrative examples, the UI includes a touch sensitive surface assembly for receiving a finger or other user input device. A sensor... Agent: Microsoft Corporation

20090121904 - Light-emitting keyboard: A light-emitting keyboard includes an upper cover with a plurality of keystrokes, the keystrokes being made of transparent material, a printed circuit board (PCB) connected to a connector via a cable, a lower cover, a light guide plate and a diffusion plate arranged in sequence between the upper cover and... Agent: PCe Industry, Inc. Att. Steven Reiss

20090121905 - Cylindrical remote control: A remote control for an electronic device has a cylindrical body that can be rotated to control a function of the device. An outer circumference of the cylindrical body can rotate or an orientation sensor can be used to detect rotation of the remote body itself. A mounting portion allows... Agent: Hornkohl Intellectual Property Law, P.l.l.c

20090121906 - Alternative encoding for lzss output: A data processing method where a source bit stream is manipulated to produce four intermediate streams: flag bits, literals, offsets and lengths. Flag bits are grouped into multi-bit units, and an output stream containing flag units, literals, offsets and lengths is emitted. The output stream occupies fewer bits than the... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090121907 - D-a convert apparatus and a-d convert apparatus: Provided is a D-A conversion apparatus that outputs an analog output voltage according to digital input data, which includes a capacitance array main D-A converter that supplies a main voltage according to the input data to an output terminal of the D-A conversion apparatus, a correction data output section that... Agent: Jianq Chyun Intellectual Property Office

20090121908 - Source-measure unit based on digital control loop: A source-measure unit (SMU) may be implemented with a control loop configured in the digital domain. The output voltage and output current may be measured with dedicated ADCs (analog-to-digital converters). The readings obtained by the ADCs may be compared to a setpoint, which may be set in an FPGA (field... Agent: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.

20090121909 - Dynamic element-matching method, multi-bit dac using the method, and delta-sigma modulator and delta-sigma dac including the multi-bit dac: Provided are a dynamic element-matching method, a multi-bit Digital-to-Analog Converter (DAC), and a delta-sigma modulator with the multi-bit DAC and delta-sigma DAC with the multi-bit DAC. The dynamic element-matching method relates to preventing periodic signal components (in-band tones) from being generated from a delta-sigma modulator of a delta-sigma Analog-to-Digital Converter... Agent: Ampacc Law Group

20090121910 - Method and system for a control scheme on power and common-mode voltage reduction for a transmitter: Provided is a method and system for controlling current characteristics in a transceiver having a transmitter. The method includes identifying a phase control signal from an adjacent current cell preceding the particular current cell in time and logically ORing the phase control signal from the preceding cell with a phase... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20090121911 - Comparator and a-d converter: A comparator is provided that outputs a comparison result obtained by comparing two signals. The comparator includes a positive buffer that converts a positive comparison signal, which has a level according to a difference between the two signals, into a positive logic signal that indicates a logic level; a negative... Agent: Jianq Chyun Intellectual Property Office

20090121912 - Circuits and methods to reduce or eliminate signal-dependent modulation of a reference bias: Circuits and methods that improve the performance of voltage reference driver circuits and associated analog to digital converters are provided. A voltage reference driver circuit that maintains a substantially constant output voltage when a load current is modulated by an input signal is provided. The voltage reference driver circuit synchronously... Agent: Mcdermott Will & Emery LLP

05/07/2009 > patent applications in patent subcategories.

20090115642 - Device actuated by key operations: A PDA as an apparatus actuated by key operations comprises: a substrate; an exothermic semiconductor device provided on a first major surface of the substrate; a plurality of switches provided on a second major surface of the substrate; a key mat located on the side of the second major surface... Agent: Mcdermott Will & Emery LLP

20090115643 - Finger-tip key depressor and method for using the same: An apparatus to fit on the digit of a hand to aid the user of an electronic handheld device to depress at least a portion of a key on the keypad of an electronic handheld device that comprises an elongated hollow member with a proximal end and a distal end,... Agent: Locke Lord Bissell & Liddell LLP Attn:IPDocketing

20090115640 - Metallic keypad assembly having ripple luster: A metallic keypad assembly having a ripple luster includes an elastic layer, an adhesive layer, a metallic keypad, an electroplated layer and a pattern layer. The elastic layer has a carrier. The carrier is provided thereon with a plurality of protrusions. The adhesive layer is provided on one side surface... Agent: Hdls Patent & Trademark Services

20090115641 - Positioning structure for external keypad assembly: A positioning structure (30) for an accessory keypad assembly (20) is provided. The accessory keypad assembly includes an upper shell (21) and a lower shell (22). The positioning structure includes a first mounting portion (231), a second mounting portion (232), a third mounting portion (233), a first positioning block (234),... Agent: PCe Industry, Inc. Att. Steven Reiss

20090115644 - Method for inputting character: A method for inputting a character adapted for a handheld electronic device is provided. In the present method, a reference plane is determined first. Then, a tilting angle and a tilting direction of the handheld electronic device deviating from the reference plane are detected. Then, the tilting direction is indicated,... Agent: Jianq Chyun Intellectual Property Office

20090115645 - Control unit for domestic appliances: A control unit comprising a light guide is formed and positioned in a circuit board for providing visual indication to a user of an appliance, such as a cooktop. The light guide receives light from a source, typically in the form of an LED on the circuit board, typically positioned... Agent: Alston & Bird LLP

20090115646 - Data processing system and method: A method of processing an encoded data stream comprises determining one or more data strings of interest; wherein the data string comprises a predetermined sequence of characters; encoding (3) the or each data string using the same encoding that was used to encode to the data stream; and searching (4)... Agent: Crowell & Moring LLP Intellectual Property Group

20090115647 - Modulation coding and decoding: Methods and apparatus are provided for modulation coding a stream of binary input data. A 4-ary enumerative encoding algorithm is applied to the input bit-stream to produce a succession of 4-ary output symbols. The 4-ary algorithm is operative to simultaneously encode respective generalized Fibonacci codes in the odd and even... Agent: Cantor Colburn, LLP - IBM Arc Division

20090115648 - Modulation coding and decoding: Methods and apparatus are provided for partitioning a stream of binary input data into two binary output streams for supply to respective modulation encoders in a modulation coding system. A 4-ary enumerative encoding algorithm is applied to each of a succession of input words in the input bit-stream to produce... Agent: Cantor Colburn, LLP - IBM Arc Division

20090115649 - Systems and methods for multi-level embedded coding and decoding: A method for multi-level embedded coding may include performing multiple single-level embedded coding operations in order to code multiple types of information. Each single-level embedded coding operation may include coding a second type of information and embedding a first type of information into the coding of the second type of... Agent: Austin Rapp & Hardman

20090115650 - System and method for wideband direct sampling and beamforming using complex analog to digital converter: A system comprising an radio frequency (RF) signal input; a plurality of time-skewed, undersampled analog to digital converters (ADCs); a plurality of complex finite input response (FIR) filters in parallel, wherein each complex FIR filter receives the output beam and/or band provided by the plurality of ADCs and generates a... Agent: HowardIPLaw Group

20090115651 - System and method providing channel multiplexing for analog-to-digital conversion: There is provided a demodulator system comprising a first input to receive a first analog signal at a first rate; a second input to receive a second analog signal at the first rate; a MUX coupled to the first input and the second input to receive the first analog signal... Agent: Farjami & Farjami LLP

20090115652 - Digital processor: As a concrete solving means, for instance, in a frequency synthesizer of a certain system, the A/D converter is provided on an output side of a voltage controlled oscillator, and its output signal is given to a device performing digital processing to feed back the processing result to the voltage... Agent: Jordan And Hamburg LLP

20090115653 - Multi-cell voltage secure data encoding in hybrid vehicles: A method of encoding data related to voltages for each of a plurality of battery cells for transmission in a hybrid vehicle includes the steps of generating a plurality of voltage groups, and generating a validity measure for each of the plurality of voltage groups. Each of the plurality of... Agent: Ingrassia Fisher & Lorenz, P.C. (gm)

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