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Class Information
Number: 341/142
Name: Coded data generation or conversion > Analog to or from digital conversion > Converter is part of control loop
Description: Subject matter where there is a comparison between the desired position of an object and its actual position and there is a control means which responds to the difference in these positions and attempts to minimize this difference.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8681027 Digital receiver and optical communication system that uses same Mar. 25, 2014
8681028 Analog to digital converter provided with pulse delay circuit Mar. 25, 2014
8669891 Systems and methods for ADC based timing and gain control Mar. 11, 2014
8643522 Multichannel analog to digital converter apparatus and method for using Feb. 4, 2014
8634946 Apparatus and method for calculating a fingerprint of an audio signal, apparatus and method for synchronizing and apparatus and method for characterizing a test audio signal Jan. 21, 2014
8624766 Method and system for auto-ranging analog-to-digital converter for current sensing Jan. 7, 2014
8604955 Filter, and transmitter and receiver having the same Dec. 10, 2013
8604765 Resistance simulation and common mode rejection for digital source-measure units Dec. 10, 2013
8599052 Digital-to-analog converter to produce paired control signals in a power supply controller Dec. 3, 2013
8564465 Analog to digital conversion apparatus with a reduced number of ADCs Oct. 22, 2013
8547265 Power supply apparatus for test apparatus Oct. 1, 2013
8537041 Interpolation-based digital pre-distortion architecture Sep. 17, 2013
8508395 Time varying quantization-based linearity enhancement of signal converters and mixed-signal systems Aug. 13, 2013
8489030 Radio apparatus having first and second amplifiers and which performs direct current offset correction of the first and second amplifiers Jul. 16, 2013
8466817 Electronic device and method for driving an internal function block of a processor of the electronic device to operate in a linear region Jun. 18, 2013
8456338 Compliance methods for source measure units operating with digital control loops Jun. 4, 2013
8390493 Low-noise voltage reference generator with digitally-filtered reference matching Mar. 5, 2013
8378866 Controller to control electrical power of load in constant Feb. 19, 2013
8368572 Detecting device Feb. 5, 2013
8306147 4X over-sampling data recovery method and system Nov. 6, 2012
8212698 Electronic circuit for correcting at least one digital measurement signal Jul. 3, 2012
8174419 Analog-digital converter and corresponding system and method May. 8, 2012
8174420 Video encoding apparatus and method having output restriction function May. 8, 2012
8169354 Apparatus and methods thereof for reducing energy consumption for PWM controlled integrated circuits in vehicles May. 1, 2012
8155551 Power supply control method and apparatus Apr. 10, 2012
8125359 Analog-to-digital converter Feb. 28, 2012
8102293 Digital direct conversion receiving apparatus and method Jan. 24, 2012
8067927 Digital PWM controller Nov. 29, 2011
8063805 Digital feedback technique for regulators Nov. 22, 2011
8022849 Phase to digital converter in all digital phase locked loop Sep. 20, 2011
7978107 Digital-to-analog converter to produce paired control signals in a power supply controller Jul. 12, 2011
7978108 Parallel data output control circuit and semiconductor device Jul. 12, 2011
7906976 Switched capacitor measurement circuit for measuring the capacitance of an input capacitor Mar. 15, 2011
7907073 Variable passive components with high resolution value selection and control Mar. 15, 2011
7903007 Method and apparatus for converting signals Mar. 8, 2011
7903008 Source-measure unit based on digital control loop Mar. 8, 2011
7868800 Mixed-signal control apparatus of modulation system Jan. 11, 2011
7863934 Adjusting method and circuit using the same Jan. 4, 2011
7783795 Serial communication circuit and A/D conversion system having the same Aug. 24, 2010
7773016 Switching converters controlled via sigma delta modulation Aug. 10, 2010
7764209 Parallel data output control circuit and semiconductor device Jul. 27, 2010
7750881 Voltage conversion device having non-linear gain Jul. 6, 2010
7696912 Interrupt based multiplexed current limit circuit Apr. 13, 2010
7688241 Method and apparatus for detecting an analogue signal using a selection circuit Mar. 30, 2010
7675445 Method and device for analog-digital conversion of a complex signal Mar. 9, 2010
7671772 Method and apparatus for producing a linearized amplified continuous wave (CW) signal Mar. 2, 2010
7663520 A/D conversion apparatus Feb. 16, 2010
7663521 Oversampling PID controller for integration with a delta-sigma analog-to-digital converter Feb. 16, 2010
7652603 .DELTA..SIGMA.-type AD converter, class-D amplifier, and DC-DC converter Jan. 26, 2010
7652610 Signal processing device and method, signal processing program, and recording medium where the program is recorded Jan. 26, 2010

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