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Coded data generation or conversion February patent applications/inventions, industry category 02/12

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.
02/23/2012 > 9 patent applications in 8 patent subcategories. patent applications/inventions, industry category

20120044095 - Capacitive-matrix keyboard with multiple touch detection: An apparatus and method for detecting activation of one or more capacitive keys when presences of the one or more touches are detected on unique combinations of three or more sensor elements at the respective locations of the capacitive keys on which the one or more touches are detected. In... Agent:

20120044096 - Keyboard with circuit for clearing cmos data: A keyboard includes a keyboard body, a first resistor, a first capacitor, a jumper block mounted to the keyboard body, a battery, a keyboard interface, and a keyboard control circuit. The jumper block includes a grounded first pin and a second pin. The battery includes a positive terminal grounded by... Agent: Hong Fu Jin Precision Industry (shenzhen) Co., Ltd.

20120044097 - Method and system for reducing contexts for context based compression systems: For context based compression techniques, for example Context Based YK compression, a method and system for grouping contexts from a given context model together to create a new context model that has fewer contexts, but retains acceptable compression gains compared to the original context model. According to an exemplary embodiment... Agent: Research In Motion Limited

20120044098 - Swap tolerant coding and decoding circuits and methods: This invention relates to a coding circuit for generating a swap tolerant code. The coding circuit comprises a first and second input (540, 541), an odd parity pair detector (535), a memory (533), and an output circuit (536, 537, 551; 736, 737, 751). Each of the first and second inputs... Agent: Cisco Technology, Inc.

20120044099 - Digital signal coding method and apparatus, digital signal decoding apparatus, digital signal arithmetic coding method and digital signal arithmetic decoding method: A digital decoding apparatus for receiving and decoding a compression-coded digital signal in predetermined transmission units is disclosed. The decoding apparatus includes an initialization unit for initializing an entropy coding process based on information of initializing a table of probability of occurrence which is multiplexed on a header of data... Agent: Mitsubishi Denki Kabushiki Kaisha

20120044100 - Continuous time sigma-delta a/d converter and electrical system comprising the a/d converter: A continuous time sigma-delta analog-to-digital converter comprising: a summator of an input analog signal and a feedback signal; a feed-forward integrator path connected to the summator and configured to provide a digital signal; a feedback digital-to-analog converter to convert the digital signal into a feedback analog signal; a feedback low... Agent: Stmicroelectronics Design & Application Gmbh

20120044101 - Method for an enhanced incremental-absolute position sensor system: A pseudo-absolute position of a rotating axis is sensed at a desired resolution by employing a single absolute encoders of a resolution that is lower than the desired resolution in combination with a home position sensor that is activated by a home position actuator attached to the axis. The home... Agent:

20120044102 - 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 Ag

20120044103 - Parallel interpolation a/d converter and digital equalizer: A parallel interpolation A/D converter includes a reference voltage generation circuit configured to generate (m+1) different reference voltages VR1-VRm+1, where m is a positive integer, and VR1<VR2, . . . , <VRm<VRm+1, a differential amplifier series including (m+1) differential amplifiers A1-Am+1 configured to amplify voltage differences between the reference voltages... Agent: Panasonic Corporation

02/16/2012 > 6 patent applications in 5 patent subcategories. patent applications/inventions, industry category

20120038495 - Operation feeling imparting type trackball device: A trackball device includes a friction plate rockably supported having opening in which a top portion of the sphere is exposed, as a brake unit applying braking force (friction force) to the sphere, and an actuator capable of driving the friction plate to a lower side. When the friction plate... Agent: Alps Electric Co., Ltd.

20120038496 - Gesture-enabled keyboard and associated apparatus and computer-readable storage medium: A keyboard is provided that includes an arrangement of keys, circuitry and a first processor configured to generate a signal in response to a keystroke in which a respective key of the arrangement of keys is depressed, and determine how to interpret the keystroke. The keyboard also includes a plurality... Agent:

20120038497 - Transmission interface and system using the same: A transmission interface includes a first pin, a second pin, a conversion unit, and a decoding unit. The conversion unit receives a serial input data stream via the first pin and receives a serial clock via the second pin. The conversion unit converts the serial input data stream to parallel... Agent: Mediatek Inc.

20120038498 - Semiconductor integrated circuit and method of operating the same: To improve resolution of a built-in A/D converter by reducing the area occupied by a chip of the built-in A/D converter in a semiconductor integrated circuit that is mounted in an on-vehicle millimeter wave radar device and which incorporates an A/D converter and an MPU. In the semiconductor integrated circuit,... Agent: Renesas Electronics Corporation

20120038499 - Signal statistics and compression-based analog-to-digital converters: A method of adaptively and losslessly quantizing an analog signal to a digital signal in an analog-to-digital converter (ADC), is disclosed. According to one embodiment, the quantizing is based on one or more of an instantaneous amplitude of the analog signal, frequencies of the analog signal, and patterned contents of... Agent:

20120038500 - Low power high dynamic range sigma-delta modulator: A low power, high dynamic range sigma-delta modulator comprises a quantizer followed by a digital integrator for generating an integrated digital signal from a quantized signal. The output of the digital integrator is coupled to a digital-to-analog converter in the feedback loop of the sigma-delta modulator.... Agent: Nxp B.v.

02/09/2012 > 13 patent applications in 12 patent subcategories. patent applications/inventions, industry category

20120032819 - Apparatus and method for detecting user action: Provided is an apparatus and method for detecting a user activity using a mobile terminal. The apparatus includes a sensing data collection unit to collect sensing data, a location determination unit to determine a location of the mobile terminal using the sensed data, and an action determination unit to determine... Agent: Samsung Electronics Co., Ltd.

20120032821 - Keyboard hold down mechanism: A keyboard is within a cavity of a receptacle. A keyboard hold down mechanism is connected to the receptacle outward of a perimeter of the keyboard and is connected to the keyboard at a central portion of the keyboard inward of the perimeter.... Agent:

20120032820 - Luminous keyboard: A luminous keyboard comprises a housing, a keyboard and a light emitting portion. The keyboard and light emitting portion are held in the housing. The light emitting portion includes at least one housing trough and a lighting element held in the housing trough. The housing trough has at least one... Agent:

20120032822 - Control panel for a measuring device: A control panel for a measuring device with a housing and a control and inspection window. The control panel includes at least one optical key that is operable through the control and inspection window using a finger. The optical key includes a transmitting element and a receiving element. The control... Agent: Krohne Messtechnik Gmbh

20120032823 - Method and apparatus for adaptive lossless data compression: A method for performing adaptive lossless data compression using a buffer memory comprises the steps of receiving a plurality of first match signals (m(0) to m(n)), each first match signal indicating whether a byte of an input sequence matches a byte in a memory location of the buffer memory. A... Agent:

20120032824 - Successive approximation register analog-to-digital converter, and operating clock adjustment method therefor: A successive approximation register analog-to-digital converter includes: a digital-to-analog converter to generate an analog voltage based on an input voltage sampled in accordance with a sampling clock and a digital code; a comparator to receive the analog voltage; a controller to generate the digital code based on an output of... Agent: Fujitsu Limited

20120032825 - Method for correcting amplitude and phase offsets in a sigma-delta modulator and sigma-delta modulator implementing said method: In a method for correcting amplitude and phase offsets in a sigma-delta modulator having a loop including an integrator with a filter and an amplifier, an analog-to-digital converter, a digital-to-analog converter, and an adder-subtractor, an open-loop amplitude/phase frequency response of the modulator is estimated digitally. A phase offset value and... Agent: Thales

20120032826 - Analog to digital converters: In one embodiment, an analog to digital converter (ADC) for converting an analog signal to a digital signal includes an input channel for receiving the analog signal, and includes a first and second sampling-integrating units. The first sampling-integrating unit receives the analog signal, samples the analog signal, integrates a superposition... Agent:

20120032827 - Optical digital-to-analog converstion: The present invention relates to Digital-to-Analog conversion in the optical or photonic domain. The present invention provides a digital-to-analog converter (DAC) (100) arranged to receive an N-bit digital optical signal (105) and to process the N-bit digital optical signal to generate an analog optical signal (110). The DAC comprises a... Agent:

20120032828 - Coarse digital-to-analog converter architecture for voltage interpolation dac: For coarse resistor string DACs, a resistor string is placed in an array of columns and rows, each resistor tap is connected to a switch network, and a decoder is used to select switches to be closed such that sub-DAC voltage comes from the resistor taps connected to the selected... Agent: Stmicroelectronics R&d (shanghai) Co. Ltd.

20120032829 - Digital-to-analog converter with code independent output capacitance: A Digital-to-Analog Converter (DAC) with code independent output capacitance includes circuitry configured to convert a digital input signal to an analog output signal in a manner such that at least one output terminal of the DAC exhibits a constant capacitance value for up to all received values of the digital... Agent: Siflare, Inc.

20120032830 - Motion controlled vehicle power adapter: A motion controlled vehicle power adapter with a vehicle power adapter that can be plugged into the 12V vehicle power outlet and has a remote motion sensor at one end of the vehicle power adapter opposite the end that plugs into the 12 V vehicle power outlet. The remote motion... Agent: Ever Win International Corporation

20120032831 - Adder-embedded dynamic preamplifier: A method and apparatus for an adder-embedded dynamic preamplifier system with dynamic comparator and current mode adder including differential switches for precharging, a switch for evaluation; and reference, feedfoward input sections. When differential switches are closed, OUTN and OUTP are precharged. During the evaluation, discharging currents are proportionately determined by... Agent: Asahi Kasei Microdevices Corporation

02/02/2012 > 11 patent applications in 11 patent subcategories. patent applications/inventions, industry category

20120026018 - Apparatus for detecting bus connection: An apparatus for detecting bus connection is provided for determining whether an electrical connector of a peripheral device is connected to an electrical connection port. In the apparatus, a detection capacitor is electrically coupled to a detection pin in the electrical connection port, and a controller is provided to transmit... Agent: Getac Technology Corporation

20120026019 - Driving circuit of light emitting diode, decoding circuit and decoding method thereof: A driving circuit, a decoding circuit and a decoding method thereof are provided. The decoding circuit includes an oscillator and a decoder including a frequency determining unit and a decoding unit. The frequency determining unit receives a clock signal and a data signal which is corresponding to DMX512 protocol, and... Agent: My-semi Inc.

20120026020 - Method and device for compression of binary sequences by grouping multiple symbols: A method for encoding an input sequence of symbols to produce a bitstream and a method of decoding the bitstream to generate a reconstructed binary sequence. Encoding employs 2L-ary encoding trees having codewords associated with leaf nodes. A context model is used to select an encoding tree corresponding to an... Agent: Research In Motion Limited

20120026021 - Apparatus and a method for performing a fractional bit en- and decoding: The invention relates to a fractional bit encoder (1) and a method for encoding a data stream into code word identifiers for a physical line encoder (13), wherein said fractional bit encoder (1) comprises a (1:K) demultiplexer (3) for a de-multiplexing a received data stream into a predetermined number (K)... Agent:

20120026022 - Encoding and decoding systems and related methods: A method of searching for candidate codewords for a telecommunications system, the method comprising receiving a sequence of constellation points, producing a received FEC vector comprised of bits from the received constellation points, comparing the received FEC vector with a plurality of candidate codewords within a Dorsch decoding process using... Agent: Comtech Ef Data Corp.

20120026023 - Successive approximation ad conversion circuit: A successive approximation AD conversion circuit has improved conversion accuracy without prolonging the time necessary for conversion. The successive approximation AD conversion circuit includes a plurality of amplifier stages cascaded together through coupling capacitances, and a comparator circuit which determines whether an input analog voltage is greater or less than... Agent: Mitsumi Electric Co., Ltd.

20120026024 - System for calibrating a time constant of an integrated circuit, and integrated circuit provided with such a system: System and method for calibrating a time constant R0Ci of an integrated electronic current-feedback continuous-time delta sigma analog/digital converter (modulator) having a variable-impedance filter coupled to the input of the modulator, an analog input signal Vin of fixed frequency applied to the variable-impedance filter, wherein the analog input signal Vin... Agent: St-ericsson Sa

20120026025 - Potentiometer and method: A potentiometer and a method for adjusting an impedance. In accordance with an embodiment, the potentiometer may be a programmable multistage digital potentiometer that has a first stage comprising a non-shunted impedance, a second stage coupled between a reference terminal and the first stage, and a third stage coupled between... Agent:

20120026026 - Analog-to-digital converter having a single set of comparators for a multi-stage sampling circuit and method therefor: An analog to digital converter includes a first sample circuit that samples an analog input during a first phase of a clock. A second sample circuit samples the analog input during a second phase of the clock. A comparator compares a reference to the output of the first sample circuit... Agent:

20120026027 - A/d converter using isolation switches: In an A/D converter, isolation switches are used between the capacitors and the conversion switches. The conversion switches are those switches used to selectively couple the plates of the binary weighted capacitors to either Vref or 0 volts during the A/D conversion process. During sampling of the input voltage signal,... Agent: Linear Technology Corporation

20120026028 - Time-to-digital converter and operating method: Provided are a TDC having a pipeline or cyclic structure and an operating method thereof. The TDC includes a first stage block and a second stage block. The first stage block detects a first bit of a digital code for a time difference between first and second input signals. The... Agent: Industry-academic Cooperation Foundation, Yonsei University

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