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| Number | Title | Issue Date |
| 8059020 | Adjustable analogue-digital converter arrangement and method for analogue-to-digital conversion An adjustable analog-digital converter arrangement comprising: an input adapted for receiving an input signal; an analog-digital converter operating by successive approximation, having a signal input coupled with the input, wherein said converter is adapted for conv... | 11/15/2011 |
| 8035541 | Digital-analog converter circuit, solid-state imaging device, and imaging apparatus A digital-analog converter circuit includes: a first digital-analog conversion part that obtains an analog output signal in response to a value of a digital input signal; and a second digital-analog conversion part that generates a control signal in response to a va... | 10/11/2011 |
| 8031095 | Signal conversion using finite impulse response feedback Disclosed are techniques for reducing noise and providing conversion signals in electronic components, including pulse width modulation (PWM) oversampling converters, by performing signal conversion having finite impulse response (FIR) feedback. Implementations may ... | 10/04/2011 |
| 8031089 | Data compression by multi-order differencing Embodiments of the present invention enable compression and decompression of data. Applications of the present invention are its use in embodiments of systems for compression and decompression of GPS long-term Ephemeris (LTE) data, although the present invention is ... | 10/04/2011 |
| 8023989 | Coordinated power boost and power back-off A system and method are provided for boosting power for a communications link between a base station and a user device, or user equipment, over a communications link channel in a cellular communications network. In one embodiment, the base station determines whether... | 09/20/2011 |
| 8013767 | Analogue-to-digital converter (ADC) dynamic range and gain control The present invention relates to a method for using the peak-to-average power ratio (PAR) of signals received by a receiver to control the gain of the receiver for an analogue-to-digital converter (ADC) and/or to control the dynamic range of the ADC. ... | 09/06/2011 |
| 8013765 | Modular scaleable processing engine for accelerating variable length coding A mechanism for efficient CAVLC coding in a hardware implementation of a H.264 coder is provided. In an embodiment of the present invention, multiple modular CAVLC engines that each process one sub-macroblock of data are used. An assembler engine that combines the C... | 09/06/2011 |
| 8009077 | Delta-sigma analog-to-digital converter (ADC) circuit with selectively switched reference A delta-sigma analog-to-digital converter (ADC) circuit improves performance by reducing the amount of noise and other error sampled by the reference switching circuit. The reference is operated such that one or more reference capacitors remain coupled to an input s... | 08/30/2011 |
| 8009074 | 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... | 08/30/2011 |
| 8009065 | System and method for encoding and decoding serial signals formed by a plurality of color lights The present invention is to provide a method for encoding and decoding serial signals formed by a plurality of color lights, which is applied to an encoding/decoding system comprising an encoding device and a decoding device, and comprises steps of generating a driv... | 08/30/2011 |
| 8004433 | Semiconductor integrated circuit and transmitter apparatus having the same A semiconductor integrated circuit (10D) for receiving a parallel data signal and a first clock signal and outputting a serial data signal and a second clock signal, wherein a first clock generation circuit (15) produces a third clock signal obtained b... | 08/23/2011 |
| 8004435 | Discrete-time circuit To reduce a random noise power included in an analog input signal, a discrete-time circuit samples an inputted analog signal a plurality of number of times at different times respectively and performs averaging processing on sampling results, thus enabling to respon... | 08/23/2011 |
| 8004431 | Fast parsing of variable-to-fixed-length codes Methods and systems for parsing and decoding compressed data are provided. Random segments of the compressed data may be decompressed and positioned appropriately in the corresponding uncompressed data set. The methods and systems utilize variable to fixed length (V... | 08/23/2011 |
| 7999716 | Analog-digital conversion circuit, timing signal generating circuit, and control device There are provided an analog-digital converter circuit capable of performing the same degree of operation as being performed at a high-frequency oscillation pulse using a low-frequency oscillation pulse without using the high-frequency oscillation pulse, a timing si... | 08/16/2011 |
| 7999712 | Digital-to-analog converters and methods thereof A digital-to-analog converter for converting a digital signal into an analog signal is provided. The digital-to-analog converter includes a preprocessing unit, a gain controller, a modulator and an output unit. The preprocessing unit receives and oversamples the dig... | 08/16/2011 |
| 7994957 | Current steering digital-to-analog converter A digital to analog converter (DAC) module receives an input digital signal having a first data rate and is associated with a first frequency, the DAC module also receiving a synchronization signal having a second frequency that is higher than the first frequency. T... | 08/09/2011 |
| 7994953 | Method and module with analog-to-digital converter A method and module with analog-to-digital converter. One embodiment provides for testing an analog-to-digital converter, including generating a voltage ramp. The voltage ramp is converted to a digital signal using the ADC at a rate of a clock signal. A first parame... | 08/09/2011 |
| 7994956 | Digital-to-analog converter circuit, data driver, and display device using the digital-to-analog converter circuit A data driver having a positive-polarity reference voltage generation circuit, a positive-polarity decoder, a first amplifier that outputs a positive-polarity gray scale voltage, a negative-polarity reference voltage generation circuit that generates a plurality of ... | 08/09/2011 |
| 7990301 | Analog to digital (A/D) conversion circuit having a low dynamic range A/D converter A low-power, high-dynamic range, analog-to-digital (A/D) conversion circuit for converting an analog signal to a digital signal having a controllable amplifier for amplifying the analog signal received at an input of the amplifier in response to a first control sign... | 08/02/2011 |
| 7990290 | Efficient rateless distributed compression of non-binary sources A method, system and computer program product are disclosed for rateless compression of non-binary sources. In one embodiment, the method comprises representing a sequence of non-binary source symbols as a sequence of sets of binary values; selecting a code for comp... | 08/02/2011 |
| 7990291 | Determination of compression state information for use in interactive compression The invention is directed at a method and apparatus for determining compression state information which is to be used in the compression of data being transmitted between two communicating parties. The method of determining the compression state information for use ... | 08/02/2011 |
| 7986258 | Analog-digital conversion cell and analog-digital converter There is provided an analog-digital conversion cell being an analog-digital conversion cell that performs an N-bit analog-digital conversion (where N is a natural number) and including: a comparison circuit (202) comparing an analog input signal VI based on a... | 07/26/2011 |
| 7986254 | Auto-measurement and calibration of DC resistance in current sensing applications The present invention pertains to calibration in current sensing applications. Power conversion systems such as those used in computer architectures may employ step down converters such as buck converters or other types of converters. The present invention provides ... | 07/26/2011 |
| 7982650 | Digital-to-analog converter (DAC) and an associated method The digital-to-analog converter in accordance with the present invention comprises an R-2R transistor-only ladder converter and a digital controller. The controller connects to the R-2R transistor-only ladder converter and comprises at least one regulating transisto... | 07/19/2011 |
| 7982649 | Device for the low-distortion transformation, particularly amplification of signals The invention describes a device for the low-distortion conversion, especially amplification, of signals. In one embodiment, the device comprises a digital-to-analog converter having adjustable reference voltages to which an analog-to-digital converter having adjust... | 07/19/2011 |
| 7982651 | Power optimized ADC for wireless transceivers An analog-to-digital converter (ADC) of a radio receiver can consume a relatively large amount of power. It is typically desirable to minimize power consumption, particularly with battery-powered devices, such as in wireless receivers. In certain conditions, the eff... | 07/19/2011 |
| 7982646 | Method and apparatus for matched quantum accurate feedback DACs A second order superconductor delta-sigma analog-to-digital modulator having an input for receiving an analog signal, a first integrator coupled to the input, a second integrator cascaded with the first integrator, and a quantum comparator digitizing output from the... | 07/19/2011 |
| 7978117 | Multi-stage dual successive approximation register analog-to-digital convertor and method of performing analog-to-digital conversion using the same A multi-stage dual successive approximation register analog-to-digital converter (SAR ADC) and a method of performing analog-to-digital conversion using the same are provided. The multi-stage dual SAR ADC includes: a plurality of SAR ADC stages for converting an ana... | 07/12/2011 |
| 7978118 | Algorithmic analog-to-digital conversion A 1.5-bit algorithmic analog-to-digital converter (ADC) generates a digital value representative of an input voltage. The ADC implements a series of conversion cycles for a conversion operation. Each conversion cycle has three sub-cycles: a scaling sub-cycle, a firs... | 07/12/2011 |
| 7978106 | Interference detection using a moving window A receiver including an automatic gain control module, a digital signal processor module, and a control module. The automatic gain control module has a gain that varies from a nominal value in response to the receiver receiving an input signal. The automatic gain co... | 07/12/2011 |
| 7973681 | High speed, low power non-return-to-zero/return-to-zero output driver A gating logic receives a non-return-to-zero (NRZ) input signal and couples the NRZ input signal as an NRZ output signal when operating in a NRZ mode of operation and converts the NRZ input signal to a return-to-zero (RZ) output signal when operating in a RZ mode of... | 07/05/2011 |
| 7973691 | Data recovery circuit, data recovery method and data receiving apparatus A data recovery circuit includes an analog-digital converter creating a digital code sequence, a phase detector calculating a position of a crossing point from the digital code sequence, a phase estimator acquiring a presumed position of a data center point of a dat... | 07/05/2011 |
| 7973683 | Apparatus and method for lossless coding and decoding A lossless coding and/or decoding apparatus and method. The lossless coding apparatus may read a probability model corresponding to each of a plurality of context groups. Here, the probability model stored in a memory may be generated by grouping a context. The loss... | 07/05/2011 |
| 7969339 | Electronic device and integrated circuit comprising a delta-sigma converter and method therefor An integrated circuit comprises a delta-sigma modulator incorporating a delta-sigma modulation loop having an analog-to-digital converter in a forward path and a digital-to-analog converter in a feedback path such that the ADC is arranged to receive samples of an an... | 06/28/2011 |
| 7969341 | Sigma-delta modulator including truncation and applications thereof A multi-stage sigma-delta modulator including bit truncation between stages. The bit truncation reduces the number of bits that must be processed in subsequent stages and thus allows for faster response times. In some embodiments, the gain of a feedback loop is sele... | 06/28/2011 |
| 7969333 | Complexity-aware encoding Techniques for encoding data based at least in part upon an awareness of the decoding complexity of the encoded data and the ability of a target decoder to decode the encoded data are disclosed. In some embodiments, a set of data is encoded based at least in part up... | 06/28/2011 |
| 7965211 | High power DAC power amplifier A power amplifier architecture includes a plurality of non-linear optically driven power amplifier modules. The plurality of non-linear optically driven power amplifier modules are selectively connectable utilizing a programmable algorithm for combining at least two... | 06/21/2011 |
| 7965216 | Compressed sensing analog-to-digital converter A system for analog-to-digital signal conversion featuring compressed sensing analog-to-digital converter systems. An analog signal is connected to a time encoder having a pulse frequency. The analog signal frequency is higher than the pulse frequency. The time enco... | 06/21/2011 |
| 7961132 | Sampling switch and controller In one embodiment, an A/D converter samples an analog input signal voltage by applying the input signal to a first capacitor terminal, while a second capacitor terminal is connected to ground via an NMOS sampling switch, to charge the capacitor to the input signal v... | 06/14/2011 |
| 7961124 | Timing loop based on analog to digital converter output and method of use A device and process to compensate for asymmetrical qualities of an analog input signal, if present, and generate a timing signal. The timing signal is then used for analog to digital conversion. ... | 06/14/2011 |
