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Class Information
Number: 341/115
Name: Coded data generation or conversion > Phase or time of phase change > Synchro or resolver signal > Converter compensation
Description: Subject matter comprising means, inherent in the converter, for automatically correcting for undesired changes in the parameters controlling converter operation and means for determining or manually correcting or setting the operating conditions of the converter.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7605728 |
Method for calibrating a multi-bit digital-to-analog converter, multi-bit digital-to-analog converter in which this method is applied and converter provided with such a multi-bit digital-to-an |
Oct. 20, 2009 |
| 7549916 |
Cabin pressure control system and method that implements high-speed sampling and averaging techniques to compute cabin pressure rate of change |
Jun. 23, 2009 |
| 7538700 |
Angular position detector and rotary electric device drive unit including the same |
May. 26, 2009 |
| 7411530 |
Method for the evaluation of a first analog signal and a second analog signal, and evaluation circuit corresponding therewith |
Aug. 12, 2008 |
| 7401001 |
Position determining |
Jul. 15, 2008 |
| 7388527 |
Method of detecting abnormality of R/D converter |
Jun. 17, 2008 |
| 7382295 |
Control unit for electric power steering apparatus |
Jun. 3, 2008 |
| 7250881 |
Encoder output signal correction apparatus and method |
Jul. 31, 2007 |
| 7183952 |
Resolver |
Feb. 27, 2007 |
| 7109900 |
Encoder output signal correction apparatus and method |
Sep. 19, 2006 |
| 7061411 |
Device and method for enhancing resolution of digital encoder |
Jun. 13, 2006 |
| 7046176 |
Rotary encoder |
May. 16, 2006 |
| 7012397 |
Encoder and control apparatus for motor |
Mar. 14, 2006 |
| 6803863 |
Method and circuitry device for non-linear output displacement conversion with reference to signal speeds coming from displacement detector |
Oct. 12, 2004 |
| 6765563 |
Monolithic integrated circuit implemented in a digital display unit for generating digital data elements from an analog display signal received at high frequencies |
Jul. 20, 2004 |
| 6639529 |
System and method for delay calibration in position encoders |
Oct. 28, 2003 |
| 6563443 |
Method and device for absolute position determination |
May. 13, 2003 |
| 6556153 |
System and method for improving encoder resolution |
Apr. 29, 2003 |
| 6515600 |
Circuit arrangement for regenerating the black level of video signals |
Feb. 4, 2003 |
| 6445316 |
Universal impedance control for wide range loaded signals |
Sep. 3, 2002 |
| 6424276 |
Successive approximation algorithm-based architectures and systems |
Jul. 23, 2002 |
| 6407686 |
Waveform measuring apparatus |
Jun. 18, 2002 |
| 6404372 |
Asynchronous A/D converter with moving window |
Jun. 11, 2002 |
| RE37547 |
Software-based resolver-to-digital converter |
Feb. 12, 2002 |
| 6339388 |
Mixed analog and digital integrated circuit and testing method thereof |
Jan. 15, 2002 |
| 6329936 |
Statistical adjustment of A/D non-linearities to correct intensity ARI |
Dec. 11, 2001 |
| 6317071 |
Method and apparatus for analog-to-digital conversion by combining digital sample values |
Nov. 13, 2001 |
| 6292117 |
Integrated adjustable current to voltage converter and digital quadrature generator in a printer paper positioning system |
Sep. 18, 2001 |
| 6215426 |
Offset correcting circuit for encoder |
Apr. 10, 2001 |
| 6157332 |
Self-calibrating video digital to analog converter |
Dec. 5, 2000 |
| 5922964 |
Amplitude detecting device |
Jul. 13, 1999 |
| 5912638 |
Direct resolver to digital converter |
Jun. 15, 1999 |
| 5786781 |
Encoder angle data computation method and computation apparatus |
Jul. 28, 1998 |
| 5760562 |
Apparatus and method for generating digital position signals for a rotatable shaft |
Jun. 2, 1998 |
| 5736951 |
High speed and high accuracy A/D converter |
Apr. 7, 1998 |
| 5710509 |
Phase difference detection device for an inductive position detector |
Jan. 20, 1998 |
| 5684719 |
Software-based resolver-to-digital converter |
Nov. 4, 1997 |
| 5677686 |
Absolute position detection apparatus and error compensation methods therefor |
Oct. 14, 1997 |
| 5646496 |
Apparatus and method for generating digital position signals for a rotatable shaft |
Jul. 8, 1997 |
| 5463393 |
Method and apparatus for correcting errors in an amplitude encoded signal |
Oct. 31, 1995 |
| 5347277 |
Dual phase resolver to digital converter |
Sep. 13, 1994 |
| 5162798 |
Resolver to digital converter |
Nov. 10, 1992 |
| 4978900 |
DC sine cosine servo system |
Dec. 18, 1990 |
| 4970805 |
Transfer apparatus for transferring a tail of a web |
Nov. 20, 1990 |
| 4933674 |
Method and apparatus for correcting resolver errors |
Jun. 12, 1990 |
| 4712106 |
Phase analog encoding system with compensation |
Dec. 8, 1987 |
| H104 |
Digital resolver compensation technique |
Aug. 5, 1986 |
| 4558304 |
Incremental encoder synchronous decode circuit |
Dec. 10, 1985 |
| 4527120 |
System for converting mechanical movement to a digital signal |
Jul. 2, 1985 |
| 4472669 |
Compensated resolver feedback |
Sep. 18, 1984 |
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