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Coded data generation or conversion July category listing 07/11

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.
07/28/2011 > patent applications in patent subcategories.

20110181444 - Device for controlling a braille display, a braille display, and an associated control method: a calculation unit suitable for determining the position or the succession positions of a user's finger relative to the read area as a function of the detected light beams, the calculation unit being suitable for triggering commands for navigation in the text as a function of the determined positions.... Agent: Eurobraille

20110181447 - Input device and input system utilized thereby: An input device includes a plurality of keys, each having an exclusive input key code corresponding to an illumination unit, a notification unit and a detection unit. An electronic device includes an execution unit and a first comparison unit. The execution unit generates a preset key code and an illumination... Agent: Hon Hai Precision Industry Co., Ltd.

20110181445 - Key sheet: There is disclosed a key sheet in which a shape of element for the touch sensor, position where the element for the touch sensor are to be disposed and the number of the elements for the touch sensor to be disposed can freely be determined. In a key sheet including... Agent: Sunarrow Ltd.

20110181446 - Keypad device having a removable button assembly: A control device, such as a keypad device, for use in a load control system for controlling the power delivered from an AC power source to an electrical load comprises a switch, a yoke fixedly mounted with respect to the switch, and a removable button assembly that may be removed... Agent: Lutron Electronics Co., Inc.

20110181448 - Lossless compression: Embodiments of the invention include a method and system for data compression which includes receiving as input a data stream, the data stream comprising a sequence of symbols, identifying the first symbol in the data stream, identifying positions in the data stream where the first symbol is repeated, encoding all... Agent:

20110181449 - Encoding and decoding method and device: A device relating to information processing technologies and including an encoding and decoding method configured to solve the poor decoding quality problem. The method includes: encoding each sample of an input signal to generate an encoded signal of a core layer; comparing residuals of all or a part of the... Agent: Huawei Technologies Co., Ltd.

20110181450 - Method and apparatus for line coding: The present invention provides a convolutional line coding method, including: constructing a sequence set, where the length of each sequence in the sequence set is n bits; selecting a balanced sequence in the sequence set, and obtaining source data of n−1 bits corresponding to the balanced sequence; performing Hamming distance... Agent:

20110181451 - Parallel-serial converter: A parallel-serial converter includes a converter circuit that converts parallel data into serial data; a first sampling circuit that samples, according to a first clock signal, the serial data output from the converter circuit; a second sampling circuit that samples, according to a second clock signal that is an inverse... Agent: Fujitsu Limited

20110181452 - Usage of speaker microphone for sound enhancement: The method and system use a speaker available in an audio end device when not in use as a microphone. The speaker is utilized for enhancing the sound quality received by the person or device at the near end, i.e., the user of the device, or the speaker at the... Agent: Dsp Group, Ltd.

20110181453 - Compact digital-to-analog converter: A digital-to-analog converter is disclosed. An example digital-to-analog converter circuit includes a reference scaling circuit coupled to receive a first reference current. The reference scaling circuit is coupled to generate a second reference current in response to the first reference current. The digital-to-analog converter circuit also includes a first plurality... Agent: Power Integrations, Inc.

20110181454 - Folding analog-to-digital converter: A folding analog-to-digital converter (ADC) is disclosed. The folding ADC includes a reference voltage generating unit generating a plurality of reference voltages, a low power analog pre-processing unit including a plurality of folders, each of which compares a voltage level of an analog input signal with a corresponding reference voltage... Agent:

07/21/2011 > patent applications in patent subcategories.

20110175757 - Apparatus and method for improving key scan performance using inverter circuit in portable terminal: An apparatus and a method for key scan in a portable terminal, more specifically, an apparatus and a method for enhancing a key scan process which recognizes a user's key press by defining key inputs corresponding to state of a plurality of input signals and allowing a plurality of key... Agent: Samsung Electronics Co. Ltd.

20110175758 - System and method for removing glitches from a bit stream: A bit stream is received and each bit corresponding to the bit stream is over-sampled to generate a first set of data samples. Each data sample from the first set of data samples is compared with a corresponding immediate previous data sample to generate a second set of data samples.... Agent: Freescale Semiconductor, Inc

20110175759 - Operational amplifier and pipeline ad converter: A differential voltage interconnect (W101a) electrically connects the gate electrode of a transistor to be used among differential transistors (T101a, T101a, . . . ) to an input node receiving an input voltage (Vinn), and a differential voltage interconnect (W101b) electrically connects the gate electrode of a transistor to be... Agent: Panasonic Corporation

20110175760 - Method for calibrating analog-to-digital converting circuits: A method for calibrating at least one analog-to-digital converting circuit includes: during a wafer level probe testing, inputting at least one calibration signal provided by a wafer level testing machine into the analog-to-digital converting circuit to generate at least one digital signal; and calibrating the analog-to-digital converting circuit according to... Agent:

20110175761 - Delta sigma analogue to digital converter: A delta sigma analogue to digital converter comprising: an integrator having first and second differential inputs for receiving an input analogue signal, the integrator having differential outputs; a quantiser having first and second differential inputs which receive signals output by the integrator, and an output which provides a digital output... Agent:

20110175762 - Second order noise coupling with zero optimization modulator and method: A method and apparatus for a modified noise-coupled modulator using zero optimization technique is disclosed. By realizing the resonator coefficient as a part of branches other than those of the main transfer function, the problem of improving SQNR without degrading other specifications is solved. Second order noise coupling is used... Agent: Asahi Kasei Microdevices Corporation

20110175763 - Digital-to-analog converter: The present invention relates to a digital-to-analog converter comprising a differentiation circuit, a conversion circuit, and an integration circuit. The differentiation circuit receives and differentiates a digital signal for producing a differentiation signal. The conversion circuit is coupled to the differentiation circuit. It receives the differentiation signal and produces a... Agent: National Chiao Tung University

20110175764 - Method and apparatus for bandpass digital-to-analog conversion: The disclosed embodiments provide method and apparatus for digital to analog conversion of a signal that may be limited to a bandpass frequency. In an exemplary embodiment, a bandpass DAC is disclosed which includes a plurality of gates. Each gate receives a carrier signal and one of a plurality of... Agent:

07/14/2011 > patent applications in patent subcategories.

20110169667 - Compact input device: Compact input devices formed on flexible substrates are disclosed. The input devices may be formed using three or more conducting layers. By including three or more conducting layers, the diameter of the input device may be minimized. In addition, to improve the flexibility of portions of the input device mounted,... Agent: Apple Inc.

20110169669 - Keyboard with transparent key pads: Systems, methods, and other embodiments associated with keyboards are described. One example keyboard includes a printed circuit board to control input responses associated to key pads being touched. The keyboard further includes a plurality of transparent key pads flexibly coupled to the printed circuit board. A layer of key labels... Agent:

20110169668 - Systems and methods for changing characters associated with keys: A mobile communication device may include logic configured to provide a first keypad layout via a programmable keypad using a first illumination source, receive a keypad selection and provide a second keypad layout via the programmable keypad using a second illumination source in response to the selection.... Agent: Sony Ericsson Mobile Communications Ab

20110169670 - Combining transform coefficient decoding with variable length decoding: Apparatus having corresponding methods and tangible computer-readable media comprise: an input module to receive a bitstream representing data words encoded according to a variable-length code; a peek module to select a peek block comprising a predetermined number of consecutive bits in the bitstream; and a decoder to provide a plurality... Agent:

20110169671 - Method for testing nonlinearity error of high speed digital-to-analog converter: A novel method applies the down-conversion sampling technology to test a high-speed digital-to-analog conversion. In the method, a digital-to-analog conversion output signal of a high-speed digital-to-analog converter and a low-frequency sinusoidal carrier wave signal input to a comparator to obtain a low-speed pulse signal. Therefore, the variation of the pulse... Agent:

20110169672 - Method and apparatus for dithering in multi-bit sigma-delta digital-to-analog converters: A multi-bit (M-bit, M>1) Sigma-Delta digital-to-analog converter (DAC) with a variable resolution multi-bit quantizer that has its digital value inputs that are truncated or rounded to a resolution that follows a random or pseudo-random sequence to provide automatic dynamic dithering for removing undesired idle tones in the analog output of... Agent: Microchip Technology Incorporated

20110169673 - Time-to-digital converter with built-in self test: Apparatuses and methods related to time-to-digital converters (TDCs) are herein described. Generally, a time-to-digital converter is a device which measures a time period or time interval and outputs a digital value representing the measured time period. In an implementation, an apparatus is provided comprising a time-to-digital converter circuit, which further... Agent: Infineon Technologies

20110169674 - A-d convert apparatus and control method: Provided is an AD conversion apparatus including: a differential amplifier that generates a differential input voltage according to an analog input signal; a differential DA converter of a charge redistribution type, which outputs a differential output voltage resulting from subtracting the differential input voltage from a differential comparison voltage that... Agent: Advantest Corporation

20110169676 - 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: Renesas Electronics Corporation

20110169675 - Analog-to-digital converter and digital-to-analog converter: An A/D converter includes an adjusting circuit to adjust a total of an amount of change of ΣΔ modulated data output from a ΣΔ modulator and an amount of change of dummy data to be constant, and a level converting part supplied with the ΣΔ modulated data. The level converting... Agent: Fujitsu Limited

20110169677 - Resonator and oversampling a/d converter: Two resistive elements and a capacitive element are coupled between a first node and each of an inverting input terminal of an operational amplifier, an output terminal of the operational amplifier, and a common node. A resistive element and a capacitive element are coupled between the first node and a... Agent: Panasonic Corporation

20110169679 - Digital-to-analog converter: A complementary pulse width modulation circuit is composed of a signal generating circuit 10 for generating first and second pulse width modulation signals (PWM#1 and PWM#2) that are complementary to each other from an input signal (IN) in response to a sampling synchronous signal (Sample) generated in synchronization with a... Agent:

20110169678 - High fidelity, radiation tolerant analog-to-digital converters: Techniques for an analog-to-digital converter (ADC) using pipeline architecture includes a linearization technique for a spurious-free dynamic range (SFDR) over 80 deciBels. In some embodiments, sampling rates exceed a megahertz. According to a second approach, a switched-capacitor circuit is configured for correct operation in a high radiation environment. In one... Agent: Stanford University

20110169680 - Digital-to-analog converter and code mapping method applied to the digital-to analog converter: A digital-to-analog converter includes an operational amplifying circuit, a switched capacitor circuit, an R-string sub-circuit, and a direct-charge transfer circuit. The operational amplifying circuit has a pair of differential input ends and a pair of differential output ends. The switched capacitor circuit is coupled to the pair of differential input... Agent:

20110169681 - Comparator and analog-to-digital converter: Increase of power consumption is reduced, and the operational speed is improved. A comparator includes a comparing section which outputs a result of comparison between a first voltage and a second voltage which constitute an input differential signal, a first positive feedback section which operates in synchronism with a first... Agent: Panasonic Corporation

07/07/2011 > patent applications in patent subcategories.

20110163898 - Method and apparatus for compressing nucleotide sequence data: The invention provides a data compression method, comprising: (a) obtaining a first reading sequence and a second reading sequence from an identical source by a receiving unit; (b) comparing the first reading sequence with the second reading sequence according to a comparison condition to generate a sequence comparison result by... Agent:

20110163899 - Sample and hold circuit and method for controlling same: A sample and hold circuit that is provided with an input stage amplifier circuit for amplifying an input signal and a hold circuit for holding an output signal of the input stage amplifier circuit, with a sampling clock signal as a trigger, is further provided with a hold circuit bias... Agent:

20110163901 - 2-phase gain calibration and scaling scheme for switched capacitor sigma-delta modulator using a chopper voltage reference: A sigma-delta modulator has a chopper voltage reference providing a reference signal having a clock dependent offset voltage, a single-bit or a multi-bit digital-to-analog converter (DAC); a plurality of capacitor pairs; a plurality of switches to couple any capacitor pair to an input or reference signal; and a control unit... Agent: Microchip Technology Incorporated

20110163900 - Multimode sampling/quantization converters: Provided are, among other things, systems, methods and techniques for converting a continuous-time, continuously variable signal into a sampled and quantized signal. According to one implementation, an apparatus includes multiple processing branches, each including: a continuous-time quantization-noise-shaping circuit, a sampling/quantization circuit, and a digital bandpass filter. A combining circuit then... Agent: Syntropy Systems, LLC

20110163902 - Information processing apparatus: An information processing apparatus, includes: a plurality of processor means respectively including storage means for storing analog information and comparison means for comparing analog information stored in the storage means with an inputted reference analog value; input means for inputting the reference analog value to the plurality of processor means... Agent: Canon Kabushiki Kaisha

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