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Class Information
Number: 341/156
Name: Coded data generation or conversion > Analog to or from digital conversion > Analog to digital conversion > Coarse and fine conversions
Description: Subject matter comprising two or more distinct but related conversions one of which produces the more significant bits of the digital signal and the other of which produces the less significant bits of the digital signal.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
7471229 Analog-to-digital converter with low latency output path Dec. 30, 2008
7460049 Power-to-digital converter Dec. 2, 2008
7456775 Pipeline analog-to-digital converter capable of sharing comparators Nov. 25, 2008
7443326 Digital input signals constructor providing analog representation thereof Oct. 28, 2008
7429944 Converter systems having reduced-jitter, selectively-skewed interleaved clocks Sep. 30, 2008
7429945 Analog to digital converter Sep. 30, 2008
7411537 Digitizer arrangement Aug. 12, 2008
7405689 Predictive analog to digital converters and methods of using Jul. 29, 2008
7405690 Analog-to-digital converter Jul. 29, 2008
7403149 Folding and interpolating analog-to-digital converter and method of converting analog signal to digital signal Jul. 22, 2008
7400286 Device and method for use in the verification of handwriting Jul. 15, 2008
7397408 System and method for scheduling access to an analog-to-digital converter and a microprocessor Jul. 8, 2008
7397410 Input tracking high-level multibit quantizer for delta-sigma ADC Jul. 8, 2008
7397409 Multi-bit pipeline analog-to-digital converter having shared amplifier structure Jul. 8, 2008
7394421 Fast analogue-to-digital converter Jul. 1, 2008
7391353 Analog/digital converter Jun. 24, 2008
7382306 AD converter and display unit Jun. 3, 2008
7382299 Method of calibrating digital-to-analog converter input based on analog-to-digital converter output and analog encoding apparatus employing the method Jun. 3, 2008
7382302 A/D converter with voltage generation circuits Jun. 3, 2008
7379009 AD converter and radio receiver May. 27, 2008
7379010 Extension of accuracy of a flash ADC by 1-bit through interpolation of comparator outputs May. 27, 2008
7369079 Universal input/output module May. 6, 2008
7356588 Circuits and methods for detecting the presence of a powered device in a powered network Apr. 8, 2008
7352310 Receiving device and automatic gain control method Apr. 1, 2008
7324038 Subranging analog to digital converter with multi-phase clock timing Jan. 29, 2008
7304598 Shared amplifier circuit Dec. 4, 2007
7292169 Receiving device and automatic gain control method Nov. 6, 2007
7289054 Parallel oversampling algorithmic A/D converter and method of using the same Oct. 30, 2007
7289053 Data conversion methods and systems Oct. 30, 2007
7286073 Device for detecting operation of operator on sound control apparatus Oct. 23, 2007
7280065 Method for converting an analog input signal, and analog-to-digital converter Oct. 9, 2007
7277039 Semiconductor integrated circuit with A/D converter having a ladder-type resistor Oct. 2, 2007
7277041 Cross-coupled folding circuit and analog-to-digital converter provided with such a folding circuit Oct. 2, 2007
7274321 Analog to digital converter Sep. 25, 2007
7274320 Analog/digital converting device Sep. 25, 2007
7265698 Multi-stage digital-to-analog converter Sep. 4, 2007
7256725 Resistor ladder interpolation for subranging ADC Aug. 14, 2007
7253763 Switching between lower and higher power modes in an ADC for lower/higher precision operations Aug. 7, 2007
7239259 Digitizer with enhanced accuracy Jul. 3, 2007
7233190 Voltage subtracting circuit carrying out voltage subtraction by converting input voltage into current, intensity detecting circuit, and semiconductor integrated circuit device using the same Jun. 19, 2007
7230558 Column analog-to-digital conversion apparatus and method supporting a high frame rate in a sub-sampling mode Jun. 12, 2007
7227490 2-stage A/D converter and image sensor using the same Jun. 5, 2007
7224306 Analog-to-digital converter in which settling time of amplifier circuit is reduced May. 29, 2007
7218263 Generating bit-streams with higher compression gains May. 15, 2007
7215274 Reference voltage pre-charge in a multi-step sub-ranging analog-to-digital converter May. 8, 2007
7205923 Pipelined analog to digital converter that is configurable based on mode and strength of received signal Apr. 17, 2007
7190299 Current control method and application thereof Mar. 13, 2007
7190298 Resistor ladder interpolation for subranging ADC Mar. 13, 2007
7187317 A/D conversion apparatus Mar. 6, 2007
7183960 Method and apparatus for systematic adjustments of resistors in high-speed integrated circuits Feb. 27, 2007

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