Coded data generation or conversion inventions 12/07

20070296614 - Wideband signal encoding, decoding and transmission: Encoding and/or decoding a wideband signal produces high frequency band spectra from low frequency band spectral information. Linear prediction filter coefficients are determined for the entire wideband spectrum of an input signal. An energy value in each of a plurality of sub-bands in the high frequency band is determined and... Agent: Stanzione & Kim, LLP

20070296615 - Method, system and computer program for facilitating auto-completion of words input to a computer: A solution (600b) for auto-completing words being input to a computer is proposed. For this purpose, a user starts inputting (656;677) a prefix of a target word; the computer tries predicting the target word that is desired, and it completes (680) the prefix automatically (without the need of inputting the... Agent: Ibm Corporation

20070296613 - Decoding control of computational core of programmable graphics processing unit: Various embodiments of decoding systems and methods are disclosed. One method embodiment, among others, comprises providing a shader configurable with a plurality of instruction sets to decode a video stream coded a plurality of different coding methods, loading the shader having one of the plurality of instruction sets to a... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070296616 - Signal transmitting and receiving device and method of mobile communication system: Disclosed is a signal transmission method in a mobile communication system. Unequal error protection (UEP) ratios are determined so that the bits may have different received qualities according to the weights of the bits. The bits are repeated by a bit sequence repeater (210) according to the determined UEP ratios... Agent: The Farrell Law Firm

20070296617 - Serial interface device and image forming apparatus: A serial I/F has: a FIFO portion to which m- or n-bit (m<n) parallel data is written based on PCLK; a FIFO reader that reads the parallel data written to the FIFO portion m bits at a time based on FCLK; a parallel/serial converter that converts the m-bit parallel data... Agent: Fish & Richardson P.C.

20070296618 - Digital to analog converter with shared calibration: The invention provides a multi-channel DAC circuit which provides for correlation between selected ones of the multiple channels such that a single set of calibration coefficients may be used for calibration of multiple channels.... Agent: Wolf Greenfield & Sacks, P.C.

20070296619 - Digital-to-analog converter with controlled buffered inputs: A DAC circuit is provided which implements a buffered DAC input where the buffer is provided by a differential amplifier whose supply rail is correlated with the input to the DAC. In this way it is possible to buffer the circuitry using amplifiers whose open loop gain specifications may be... Agent: Wolf Greenfield & Sacks, P.C.

20070296622 - Combined ad/da converting apparatus: A combined AD/DA converting apparatus carrying out AD conversion of an analog input signal to output a converted digital signal or carrying out DA conversion of a digital input signal to output a converted analog signal based on a conversion selection signal for selecting AD conversion or DA conversion comprises... Agent: SocalIPLaw Group LLP

20070296621 - Magnetic resonance imaging apparatus and a-d conversion device: With the aim of reducing noise due to a digital signal in an A-D conversion unit, the following is implemented: an input unit is provided with four A-D converters and a gray code conversion unit. An analog NMR signal corresponding to each channel is inputted to each A-D converter, and... Agent: Patrick W. Rasche Armstrong Teasdale LLP

20070296620 - Data processing integrated circuit: A data processing integrated circuit comprises a CPU, a memory that stores a program for controlling the CPU, a memory transfer controller for sending/receiving data to/from an external memory provided external to the data processing integrated circuit, and a read address storing section into which an address of data in... Agent: Fish & Richardson P.C.

20070296623 - Pipeline a/d converter: The present invention provides a pipeline A/D converter having resolution, allowable conversion processing rate and power consumption satisfying the requests of a system incorporating the pipeline A/D converter. The pipeline A/D converter in accordance with the present invention comprises a control section for outputting a control signal according to the... Agent: Akin Gump Strauss Hauer & Feld L.L.P.

20070290890 - Foldable keyboard: A foldable keyboard is provided. The foldable keyboard includes a first module, a second module and a first pivot. The first module has a first side and a second side. The second module has a third side and a fourth side. The first pivot connects the first and second modules,... Agent: Quintero Law Office, PC

20070290891 - Key input device: Key switches SW1-SW6 short-circuit one ends of resistors R corresponding thereto and a termination of a resistor string unit STR1, in accordance with inputs made by keys KEY1-KEY6 assigned thereto, respectively. The keys KEY1-KEY6 are made active in a period when the selection command SEL is at “P1”, so that... Agent: Osha Liang L.L.P.

20070290889 - Two-wire connection to a key matrix in a mobile device: A first current is driven through a first current path from a first common node, through a key matrix, and to a second common node when a key is pressed. A first measurement of the first current path resistance is made. A second current is then driven through a second... Agent: Qualcomm Incorporated

20070290897 - Circuit and method for improving mismatches between signal converters: A circuit and method for improving mismatches between signal converters includes at least two conversion units, a clock generator and a reference voltage generator. The conversion units share the clock generator and/or the reference voltage generator so as to improve mismatches between the conversion units.... Agent: Lowe Hauptman Ham & Berner, LLP

20070290899 - Data coding: Briefly, in accordance with one embodiment, a method of coding data is described.... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070290898 - Data compression: Briefly, in accordance with one embodiment, a method of data compression is disclosed.... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070290900 - Integer represenation of relative timing between desired output samples and corresponding input samples: In general, this disclosure describes techniques for changing a sampling frequency of a digital signal. In particular, the techniques provide a more accurate way to determining a relative timing between a desired output sample and a corresponding input sample using a non-approximated integer representation of the relative timing. The relative... Agent: Qualcomm Incorporated

20070290892 - Handheld electronic device with text disambiguation: A handheld electronic device includes a reduced QWERTY keyboard and is enabled with disambiguation software. The device provides output in the form of a default output and a number of variants. The output is based largely upon the frequency, i.e., the likelihood that a user intended a particular output, but... Agent: Daniel C. Abeles Eckert Seamans Cherin & Mellott, LLC

20070290893 - Handheld electronic device with text disambiguation: A handheld electronic device includes a reduced QWERTY keyboard and is enabled with disambiguation software. The device provides output in the form of a default output and a number of variants. The output is based largely upon the frequency, i.e., the likelihood that a user intended a particular output, but... Agent: Brij K. Agarwal Eckert Seamans Cherin & Mellot, LLC

20070290894 - Circuit and method for reducing electromagnetic interference: A spread spectrum system having a self-oscillating delay-line digital pulse width modulator and a method for mitigating electromagnetic interference. The spread spectrum system has a pseudo-random pattern generator connected to a digital-to-analog converter, which in turn is connected to a linear regulator. The linear regulator receives a reference voltage from... Agent: Bradley J. Botsch Semiconductor Components Industries, LLC

20070290896 - Integrator current matching: An integrator circuit (110) is provided including an amplifier element (170) configured to receive an input signal at an input node, amplify the input signal, and provide an amplified input signal at an output node; a feedback capacitor element (175) connected between the output node and the input node; and... Agent: Posz Law Group, PLC

20070290895 - Using operation codes to control a decoder to generate data from an input data stream into an output data stream: Provided are a method, system, and article of manufacture for using operation codes to control a decoder to generate data from an input data stream into an output data stream. An encoder generates an input data stream for a decoder comprising at least one operation code and compressed data for... Agent: Blakely Sokoloff Taylor & Zafman LLP

20070290901 - Encoding and decoding apparatus and corresponding methods: The present invention relates to an encoding apparatus and method for encoding a user data stream (m) into a channel data stream (y) as well as to a corresponding decoding apparatus and method. To improve the worst case BER behavior of storage systems and increase reliability, in particular which ensure... Agent: Philips Intellectual Property & Standards

20070290902 - Semiconductor devices, a system including semiconductor devices and methods thereof: Semiconductor devices, a system including said semiconductor devices and methods thereof are provided. An example semiconductor device may receive data scheduled for transmission, scramble an order of bits within the received data, the scrambled order arranged in accordance with a given pseudo-random sequence. The received data may be balanced such... Agent: Harness, Dickey & Pierce, P.L.C

20070290903 - Data translation system and method: A data translation system and method. This invention provides a reverse approach to implement a M bit input to N bit output cumulative/monotonic transfer function (where M>N) by a (2**N) ×M bit memory instead of the conventional (2**M)×N bit memory. The invention offers substantial circuit size savings without compromising on... Agent: Raytheon Company Patent Docket Administration

20070290905 - Sensing apparatus: A sensing apparatus includes a microprocessor having an A/D converting function of digital-converting an analog electric quantity supplied to an A/D conversion port and taking in a conversion result, and a plurality of electrical elements that are connected with the microprocessor and generate analog electric quantities. The plurality of electrical... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070290904 - Connecting ac-coupled systems and dc-coupled systems: Connecting an AC coupled source device to a DC coupled receiver device by way of a connector compatible with the DC coupled device includes generating a signal by the AC coupled source device, transmitting the signal by the AC coupled source device, receiving the signal at a converter unit coupled... Agent: Beyer Weaver LLP

20070290906 - Noise-shaping device and method with improved lossless compression and good audio quality for high fidelity audio: Improved sigma-delta modulator (SDM) for 1-bit digital audio noise shaping. It is the object to produce a bit stream that is compatible with the Scarlet Book specification (Super Audio CD standard, SACD) and that achieves a higher lossless compression ratio when compressed and decompressed according to the standard. This goal... Agent: Philips Intellectual Property & Standards

20070290907 - Power-saving multibit delta-sigma converter: The invention relates to a power-saving multibit delta-sigma converter (1) comprising: an input (2) for an analog input signal (ZA) and an output (3) for a digital output signal (ZD); a digital-to-analog converter (4) having a bit width N and serving to convert the digital output signal (ZD) to an... Agent: Jenkins, Wilson, Taylor & Hunt, P. A.

20070290908 - Signal decoder, a signal decoding method and a storage system: In general, a higher speed access storage device is desired. Proposed device relates to An LDPC iteration decoder. The LDPC iteration decoder (322) includes a second interleaver (350) for performing interleave processing on a signal series outputted from a soft output detection unit (320), an LDPC decoder (352) for implementing... Agent: Cantor Colburn, LLP

20070290911 - Digital-to-analog converter: A digital-to-analog converter comprises a current supplier, a current divider dividing current supplied from the current supplier into certain amounts, an inverter outputting inverted signals of input signals and non-inverted signals, a switch controlling a flow of the current divided into the certain amounts by the current divider according to... Agent: Wolf, Block, Shorr And Solis-cohen LLP

20070290909 - Systems and methods for asynchronous triggering of an arbitrary waveform generator: A system and method for asynchronous triggering in a waveform generator comprising a DAC sample clock for generating DAC sample clock signal. The system includes a sequencer clock for generating a sequencer clock signal having a frequency of 1/N of the DAC sample clock. The system also includes an output... Agent: Agilent Technologies Inc.

20070290912 - Digital pulsed phase locked loop: A digital pulsed phase locked loop (DPPLL) provides exact measurements of echo phase, time, and/or position delay as well as echo amplitude. These exact measurements provide better and more reliable results that directly benefit the many real world applications for the DPPLL. The DPPLL permits simultaneous tracking of multiple echo... Agent: Nixon & Vanderhye, PC

20070290910 - Wireless communication system including an audio underflow protection mechanism operative with time domain isolation: A wireless communication device is disclosed that reduces undesired audio underflow in a digital to analog receive path that employs time domain isolation. In one embodiment, one or more buffers in the receive path receive processed audio samples from a signal processor. A control circuit senses when the buffers in... Agent: Mark P. Kahler

20070290914 - A/d converter: An A/D converter that supports multi-mode and that can minimize power consumption is provided. A hybrid A/D converter 100 comprises: hybrid stages 101 to 103 composed of 1.5-bit A/D converter 111, 121 and 131 for pipeline use that convert analogue input signals into digital signals; 1/1.5-bit D/A converters 112, 122... Agent: Greenblum & Bernstein, P.L.C

20070290913 - Analog-to-digital converter with low latency output path: An analog to digital converter system includes at least one stage for providing a first full precision, full latency output and a second output providing a less than full latency, less than full precision coarse level indicator signal.... Agent: Iandiorio & Teska

20070290915 - Pipeline a/d converter conterting analog signal to digital signal: A first stage of a pipeline A/D converter is configured to output a sub analog signal at a level within a predetermined output voltage range even if a level of an input analog signal exceeds a predetermined input voltage range. Therefore, as compared with an example where a limiter circuit... Agent: Buchanan, Ingersoll & Rooney PC

20070285284 - Method and apparatus for keypad manipulation: A method and apparatus are for manipulating a keypad of an electronic device (100, 200). The electronic device has a plurality of tactile keys (110, 115, 1230, 125, 130). The method includes sensing a proximity of a object to one of the plurality of tactile keys and presenting, on an... Agent: Motorola, Inc.

20070285286 - Decoding of context adaptive binary arithmetic codes in computational core of programmable graphics processing unit: Embodiments of decoding systems and methods are disclosed. One system embodiment, among others, comprises a software programmable core processing unit having a context-adaptive binary arithmetic (CABAC) unit configured to execute a shader, the shader configured to implement CABAC decoding of a video stream and provide a decoded data output.... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070285287 - Decoding of context adaptive variable length codes in computational core of programmable graphics processing unit: Various embodiments of decoding systems and methods are disclosed. One system embodiment, among others, comprises a software programmable core processing unit having a context-adaptive variable length coding (CAVLC) unit configured to execute a shader, the shader configured to implement CAVLC decoding of a video stream and provide a decoded data... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070285285 - System and method for efficient compression of digital data: A system for compressing digital data by representing a portion of it predictionally and transformationally as a block of transform coefficients, then quantizing that block selectively into a set of encoding symbols based on an indication whether the transform coefficients represent the portion as having a particular characteristic, and then... Agent: Nvidia C/o Murabito, Hao & Barnes LLP

20070285288 - High speed data recording with input duty cycle distortion: Data from both a positive edge sample and negative edge sample are used to determine a data bit. The primary and secondary clocks capture two copies of the data. A sample is taken with a positive edge of one clock and the negative edge of the other clock each bit... Agent: Robert D. Marshall, Jr. Texas Instruments Incorporated

20070285289 - High speed data recording with input duty cycle distortion: Data from both a positive edge sample and negative edge sample are used to determine a data bit. The primary and secondary clocks capture two copies of the data. A sample is taken with a positive edge of one clock and the negative edge of the other clock each bit... Agent: Robert D. Marshall, Jr. Texas Instruments Incorporated

20070285290 - Data coding system and method: A data coding system that compresses data and enables data, e.g., prefix addresses, to be represented with significantly fewer memory cells when compared to conventional coding systems.... Agent: Fenwick & West LLP

20070285291 - Binarization circuit: A binarization circuit for binarizing a pulsative analog signal includes: a first comparator circuit for reversing an output signal when the analog signal becomes smaller than a threshold voltage and when the analog signal becomes larger than a high side threshold voltage; a second comparator circuit for reversing an output... Agent: Posz Law Group, PLC

20070285292 - High speed digital-to-analog converter: A digital-to-analog converter supporting high speed operation is defined. The converter includes a plurality of sampler circuits in electrical communication with a digital signal source and a summation circuit in electrical communication with the plurality of sampler circuits. A sampler circuit of the plurality of sampler circuits is adapted to... Agent: Foley & Lardner LLP

20070285293 - On-die termination apparatus for semiconductor memory having exact comparison voltage characteristic and method of controlling the same: An on-die termination apparatus for a semiconductor memory according to the invention includes: a first D/A converting unit that outputs a first voltage corresponding to a first code;.a first comparing unit that compares the first voltage to a reference voltage and corrects comparison results between the first voltage and the... Agent: Venable LLP

20070285294 - Apparatus and method of generating reference voltage of semiconductor integrated circuit: An apparatus for generating a reference voltage of a semiconductor integrated circuit includes a resistance control unit that adjusts at least one an adjustment code such that at least one set of resistors, which have resistances determined according to the at least one adjustment code have predetermined resistances, a voltage... Agent: Venable LLP

20070285299 - Method and system for input voltage droop compensation in video/graphics front-ends: Methods and systems for input voltage droop compensation in video/graphics front-end systems. The method of an embodiment of the invention captures input voltage information supplied to an Analog-to-Digital Converter (ADC) operatively coupled to a bypass capacitor in a video/graphics front-end system; calculates a droop in the input voltage in ADC... Agent: Evergreen Valley Law Group

20070285297 - System and method for improving dynamic performance of a circuit: A system and method for improving the dynamic performance in an analog-to-digital converter (ADC) by randomizing the differential mismatch. The differential mismatch in an input analog signal is randomized by flipping the input signal and output signal randomly.... Agent: Evergreen Valley Law Group

20070285296 - Systems and methods for providing anti-aliasing in a sample-and-hold circuit: Systems and methods are included for providing anti-aliasing in a sample-and-hold circuit. One embodiment of the present invention includes a method for sampling of an input signal for providing to an analog-to-digital converter. The method comprises generating a sample signal having a given frequency and a period that defines both... Agent: Texas Instruments Incorporated

20070285295 - Apparatus and method of generating reference voltage of semiconductor integrated circuit: There is provided a new signal processing device that uses functions appropriate to signal properties to acquire high-quality signals. The signal processing device includes a sampling circuit 2 that samples an input signal and outputs a discrete signal, multiple function generators 3 that generate multiple sampling functions with parameters m... Agent: Carl I. Brundidge Mattingly Stanger Malur & Brundidge P C

20070285298 - Methods and systems for designing high resolution analog to digital converters: Methods and systems for designing a high resolution ADC by eliminating the errors in the ADC stages. An error correction architecture and method of the embodiments of the invention eliminate the gain error and settling error of the residue amplifier in a pipelined ADC stage. A reference voltage error correction... Agent: Evergreen Valley Law Group

20070285300 - analogue/digital converter microelectronic device for equalising charges: The disclosure relates to a microelectronic image sensor device comprising: at least one detector formed by at least one photo-detector element, at least one integration capacitor associated to the photo-detector and capable of providing at least one analogue signal capable of varying at least according to a current provided by... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070285301 - Encoder circuit and a/d conversion circuit: An encoder circuit and A/D converter that can minimize the error of an encoder output with respect to all the possible combinations of thermometer codes are desired to be provided. To this end, an encoder circuit has a logic thereof configured to take a thermometer code as an input and... Agent: Arent Fox LLP

20070279255 - Character entry and display method for use with a keypad: A character entry and display method for use with a 3×4 key array standard telephone keypad including a 1 key, a 2 key, a 3 key, a 4 key, a 5 key, a 6 key, a 7 key, an 8 key, a 9 key, and a 0 key. The entry... Agent: Dovas Law P.C.

20070279257 - Hand-held device with character input rotary wheel: A hand-held device is provided. The hand-held device includes a rotary wheel, a plurality of switches, a plurality of character regions corresponding to the switches, and a controller. The rotary wheel has a plurality of positioning inputs. Each character region comprises a plurality of icons corresponding to the positioning inputs,... Agent: North America Intellectual Property Corporation

20070279260 - Apparatus and method for performing defect diagnosis of field device: A diagnosing apparatus includes, but is not limited to, a first functional unit and a second functional unit. The first functional unit may be configured to acquire at least one reference value for at least one diagnostic target, in accordance with at least one preset acquisition condition. The second functional... Agent: Sughrue Mion, PLLC

20070279259 - Verification coverage extraction circuit and method, semiconductor device and emulation system: Disclosed is a verification coverage extraction circuit for extracting the verification coverage rate at the time of circuit verification employing an emulation device, in which a state of the current cycle and a state of the next cycle of a state machine are coupled by a data coupling circuit into... Agent: Foley And Lardner LLP Suite 500

20070279263 - Network device and method for recovering clock signal thereof: A network device communicating with a digital clock supply (DCS), a first network, and a second network, includes an input port, a parsing module, and a synthesis module. The input port receives a digital clock signal from the DCS. The parsing module parses the digital clock signal into a plurality... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070279267 - Compressed data transfer apparatus and compressed data transfer method: According to one embodiment, when transferring compressed data having information indicating decoding starting time and frame size attached thereto for each frame which is a decoding unit to a decoding processing section, a compressed data transfer apparatus calculates data size which can be transferred to the decoding processing section within... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070279256 - Reduced keypad for multi-tap input: An apparatus (625) with a first plurality of input keys (635). Some of the first input keys may be associated with both a numeric value and a first set of alphabetic values and arranged in a first alphabetic keypad layout. The apparatus (625) is further provided with a second plurality... Agent: Schwabe, Williamson & Wyatt, P.C. Pacwest Center, Suite 1900

20070279258 - Method for increasing the resolution of analog to digital conversion: A method for increasing the resolution of analog to digital conversion made by a microcontroller. A resistive-capacitive network is connected between an input/output port of the microcontroller and a sense voltage to be converted. The sense voltage is measured (i.e. converted) using the port in input mode to obtain a... Agent: Vincent Patent Agency

20070279262 - Automated right-holders registration system, method and computer program product for facilitating e-commerce involving digital assets: A computer-implemented system, method and computer program product are provided. In use a request is received via a network from one of a plurality of entities which each has an interest in at least one corresponding digital asset. Moreover, an eligibility of the entity is automatically verified. An interface for... Agent: Zilka-kotab, PC

20070279261 - Method and apparatus for lossless run-length data encoding: An apparatus and method for lossless run-length data encoding is disclosed. In the first stage of the method, an input data sequence is transformed without increasing its volume in order to obtain long sequences of identical digits. In the second stage, every such sequence is replaced with a unique shorter... Agent: J. Charles Dougherty

20070279264 - Modulation apparatus, modulation method, modulation program and modulation-program recording medium: Disclosed herein is a modulation apparatus including: first conversion means for converting a portion included in processed data as a portion matching a first data pattern into a first code pattern in accordance with a first table associating an even/odd-characteristic retaining conversion pattern used as the first data pattern with... Agent: Robert J. Depke Lewis T. Steadman

20070279265 - Image coding with scalable context quantization: A scalable quantizer is generated from a plurality of context models for each of a plurality of bit rates used in coding a source. A context model for a lower bit rate quantizes conditioning states when there is no compression gain in coding the image using child conditioning states in... Agent: Lee & Hayes PLLC

20070279266 - Variable length coding for sparse coefficients: Coding quantized transform coefficients as occur in image compression includes, for a subset of coefficient amplitude values coding by a first method corresponding to each amplitude of the subset, events of a run of zero or more zero-valued coefficients ending in the single non-zero amplitude, coding by a second method... Agent: Dov Rosenfeld

20070279270 - Current-output type digital-to-analog converter: Source potentials of n output transistors are fixed by common fixed voltage, and sources are connected to a current output terminal. A drain and a gate of an input transistor are commonly connected to the drains and the gates of the output transistors respectively. A first current-to-voltage conversion unit is... Agent: Cantor Colburn, LLP

20070279269 - Digital/analog converter and transmitter: According to an embodiment of the invention, there is provided a digital/analog converter includes: a decoder that converts a (n−1)-phase input digital signal to a n-phase output digital signal; and a signal generating unit that generates analog signals according to the n-phase output digital signal.... Agent: Amin, Turocy & Calvin, LLP

20070279268 - Digital-to-analog converter: Embodiments of a digital-to-analog converter are disclosed.... Agent: Berkeley Law & Technology Group, LLP

20070279271 - Weight level generating method and device: A weight level generator is provided. Weight level generator W has plural weight generators 5-1-5-j. At least one of said plural weight generators is used at at least two different time rates. Also, a digital-to-analog converter (DAC) using said weight generators is equipped with a digital signal source, a weight... Agent: Texas Instruments Incorporated

20070279272 - Semiconductor device and method for manufacturing the same: A semiconductor device includes a semiconductor substrate, a first wire disposed on the semiconductor substrate, an first insulating layer disposed on the semiconductor substrate and the wire, a first thin film resistor having a first resistance within a predetermined error range, and a second thin film resistor having a second... Agent: Posz Law Group, PLC

20070279273 - Adaptive quantiser: An adaptive quantiser holds a model of the output distribution the would be obtained by inputting an expected signal as a desired output distribution. The actual input signal is monitored and the quantisation steps modified in dependence thereon so that the desired output distribution is obtained. The adaptive quantiser has... Agent: Harrington & Smith, PC

20070279274 - Automatic power control system for optical disc drive and method thereof: An automatic power control system, a down sampling circuit and a down sampling method. The automatic power control system is incorporated in an optical disc drive comprising a laser diode for receiving a control signal to generate a laser beam; and a photodetector for detecting the laser beam to generate... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070279275 - Analog to digital conversion circuit: A plurality of reference voltages are generated by a reference voltage generation circuit. A plurality of comparators is supplied respectively with an analog input voltage and any two reference voltages out of the plurality of reference voltages. A threshold voltage of each of the comparators is adjusted according to the... Agent: Dla Piper US LLP