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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 7365666 |
Voltage conversion device having non-linear gain and changeable gain polarity |
Apr. 29, 2008 |
| 7352312 |
Variable passive components with high resolution value selection and control |
Apr. 1, 2008 |
| 7315268 |
Integrator current matching |
Jan. 1, 2008 |
| 7221300 |
Digital-to-analog converter data rate reduction by interleaving and recombination through mixer switching |
May. 22, 2007 |
| 7193551 |
Reference voltage generator for use in display applications |
Mar. 20, 2007 |
| 7173549 |
Semiconductor integrated circuit in which voltage down converter output can be observed as digital value and voltage down converter output voltage is adjustable |
Feb. 6, 2007 |
| 7112932 |
System-on-chip for high voltage applications |
Sep. 26, 2006 |
| 7046177 |
Servo system, apparatus comprising a servo system, sigma delta modulator, and integrated circuit comprising a sigma delta modulator |
May. 16, 2006 |
| 6636122 |
Analog frequency locked loop with digital oversampling feedback control and filter |
Oct. 21, 2003 |
| 6590372 |
Method and integrated circuit for bandgap trimming |
Jul. 8, 2003 |
| 6583746 |
A/D converter with high speed input circuit |
Jun. 24, 2003 |
| 6507301 |
Sigma-delta modulator with an adjustable feedback factor |
Jan. 14, 2003 |
| 6466615 |
Delay locked loop based circuit for data communication |
Oct. 15, 2002 |
| 6407682 |
High speed serial-deserializer receiver |
Jun. 18, 2002 |
| 6295015 |
Reference generator for demodulator calibration |
Sep. 25, 2001 |
| 5986597 |
Fluid transfer controller with digital bitstream monitor |
Nov. 16, 1999 |
| 5861831 |
Intermediate frequency (IF) sampling clock-to-clock auto-ranging analog-to-digital converter (ADC) and method |
Jan. 19, 1999 |
| 5754135 |
Analog-to digital conversion device having a standby mode |
May. 19, 1998 |
| 5748135 |
Wireless remote control transmitter for use with consumer entertainment electronics appliance |
May. 5, 1998 |
| 5736948 |
Semiconductor integrated circuit device and control system |
Apr. 7, 1998 |
| 5686913 |
Serial data interface apparatus and method for detecting an input word length and selecting an operating mode accordingly |
Nov. 11, 1997 |
| 5530341 |
External clock count based auto trigger for an oscilloscope |
Jun. 25, 1996 |
| 5457393 |
Method and circuit for balancing an error signal |
Oct. 10, 1995 |
| 5422807 |
Microcontroller with improved A/D conversion |
Jun. 6, 1995 |
| 5294928 |
A/D converter with zero power mode |
Mar. 15, 1994 |
| 5021783 |
Method for operating an apparatus for facilitating communications |
Jun. 4, 1991 |
| 5005016 |
Hybrid phase-locked loop |
Apr. 2, 1991 |
| 4998108 |
Large range, high speed, high accuracy digital-to-analog converter |
Mar. 5, 1991 |
| 4963872 |
Method and arrangement for generating a mean-value-free binary signal |
Oct. 16, 1990 |
| 4952934 |
Field programmable logic and analogic integrated circuit |
Aug. 28, 1990 |
| 4928246 |
Multiple channel data acquisition system |
May. 22, 1990 |
| 4833472 |
System for setting an analog resistor to a selectable, digitally predeterminable value |
May. 23, 1989 |
| 4831380 |
Transducer interfaces |
May. 16, 1989 |
| 4595910 |
Digital-to-analog converter useful in a television receiver |
Jun. 17, 1986 |
| 4510569 |
A/D Conversion period control for internal combustion engines |
Apr. 9, 1985 |
| 4450518 |
Control system for adjusting a physical quantity |
May. 22, 1984 |
| 4431985 |
Stepper motor system for digitally measuring input quantities |
Feb. 14, 1984 |
| 4401974 |
Digital sample and hold circuit |
Aug. 30, 1983 |
| 4380006 |
Linear interpolator |
Apr. 12, 1983 |
| 4283713 |
Waveform acquisition circuit |
Aug. 11, 1981 |
| 4223356 |
Method and arrangement for facsimile picture transmission |
Sep. 16, 1980 |
| 4222105 |
Recording apparatus including analog-digital converter |
Sep. 9, 1980 |
| 4109309 |
Method and apparatus for remote display of analog signals occurring in computer controlled machine tools |
Aug. 22, 1978 |
| 4096475 |
Circuit for the conversion of a digital signal to an analog signal |
Jun. 20, 1978 |
| 4095218 |
Hybrid pulse width-pulse rate digital-to-analog converter method and apparatus |
Jun. 13, 1978 |
| 4085372 |
Channel selecting apparatus for a television receiver with an electronic tuner |
Apr. 18, 1978 |
| 4082942 |
Process control system with signal conversion to standard intermediate signals carrying data as a function of time duration |
Apr. 4, 1978 |
| 3942171 |
Scanning system for digital-analog converter |
Mar. 2, 1976 |
| 3940673 |
Aircraft altitude control system |
Feb. 24, 1976 |
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