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Class Information
Number: 341/112
Name: Coded data generation or conversion > Phase or time of phase change > Synchro or resolver signal
Description: Subject matter including a motorlike device having a stator and a rotor which transforms an angular-position input into variable phase output or vice versa, or a simulation thereof.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7538700 |
Angular position detector and rotary electric device drive unit including the same |
May. 26, 2009 |
| 7456603 |
Phase detection circuit, resolver/digital converter using the circuit, and control system using the converter |
Nov. 25, 2008 |
| 7432836 |
Multiplexed signal conditioner |
Oct. 7, 2008 |
| 7417571 |
Method for providing a correlation |
Aug. 26, 2008 |
| 7388528 |
Coding method and device for determining absolute angular position |
Jun. 17, 2008 |
| 7382295 |
Control unit for electric power steering apparatus |
Jun. 3, 2008 |
| 7352304 |
Interpolation apparatus in encoder |
Apr. 1, 2008 |
| 7348897 |
Apparatus for transmitting position detection signal of multi-shaft motor |
Mar. 25, 2008 |
| 7268710 |
Logic device for the transformation of the output of the RDC into series A-B pulses |
Sep. 11, 2007 |
| 7263452 |
Resolver-to-digital converting apparatus, method and program |
Aug. 28, 2007 |
| 7245243 |
Lateral double-diffused MOS transistor and manufacturing method therefor |
Jul. 17, 2007 |
| 7183952 |
Resolver |
Feb. 27, 2007 |
| 7176913 |
Drive circuit for flat display apparatus and flat display apparatus |
Feb. 13, 2007 |
| 7123175 |
Angle detection apparatus computing phase differences between first and second phase angles |
Oct. 17, 2006 |
| 7084790 |
Device to effectuate a digital estimate of a periodic electric signal, related method and control system for an electric motor which comprises said device |
Aug. 1, 2006 |
| 7068191 |
Method for determining the numerical value for the duration of a periodically repeated pulse signal, and device for carrying out said method |
Jun. 27, 2006 |
| 7064692 |
Solid-state synchro/resolver converter |
Jun. 20, 2006 |
| 7015840 |
Resolver/digital converter |
Mar. 21, 2006 |
| 6996482 |
Device and method for determining the position of a rotor |
Feb. 7, 2006 |
| 6972700 |
Resolver/digital converter and control apparatus using the same |
Dec. 6, 2005 |
| 6925401 |
Method and apparatus for correcting resolver output |
Aug. 2, 2005 |
| 6861966 |
Method for providing a digital current fluctuation signal |
Mar. 1, 2005 |
| 6661359 |
Device and method for generating synchronous numeric signals |
Dec. 9, 2003 |
| 6472841 |
Low cost redundant resolver system |
Oct. 29, 2002 |
| RE37547 |
Software-based resolver-to-digital converter |
Feb. 12, 2002 |
| 6331759 |
Pulse drive angle measurement system and method |
Dec. 18, 2001 |
| 6278388 |
Method of converting an analog signal to digital signal by digitalizing error deviation |
Aug. 21, 2001 |
| 6226562 |
Method and system for adjusting and calibrating circuit parameters |
May. 1, 2001 |
| 6104328 |
Resolver to 360.degree. linear analog converter and method |
Aug. 15, 2000 |
| 6069576 |
Synchro-to-digital converter |
May. 30, 2000 |
| 5999113 |
Interpolation circuit for encoder having a look-up table memory with reduced capacity |
Dec. 7, 1999 |
| 5684719 |
Software-based resolver-to-digital converter |
Nov. 4, 1997 |
| 5574450 |
Synchronization adder circuit |
Nov. 12, 1996 |
| 5557273 |
Magnetic azimuth detector to digital (MAD) converter |
Sep. 17, 1996 |
| 5347277 |
Dual phase resolver to digital converter |
Sep. 13, 1994 |
| 5160886 |
Permanent magnet resolver for producing a resolver-to-digital converter compatible output |
Nov. 3, 1992 |
| 5134404 |
Quadrature error correction |
Jul. 28, 1992 |
| 5072179 |
High resolution one and two dimensional position indicating apparatus with plural windings having a common connection and separately energized by signals of different phase |
Dec. 10, 1991 |
| 5034743 |
AC encoded signal to digital converter |
Jul. 23, 1991 |
| 5032750 |
Absolute rotation position detector with coaxial resolvers |
Jul. 16, 1991 |
| 4992716 |
Motor control with digital feedback |
Feb. 12, 1991 |
| 4933674 |
Method and apparatus for correcting resolver errors |
Jun. 12, 1990 |
| 4884226 |
Method for detecting position |
Nov. 28, 1989 |
| 4857926 |
Phase-responsive angular tracking device |
Aug. 15, 1989 |
| 4857919 |
Method and apparatus for indicating the position of a core member of a variable differential transformer |
Aug. 15, 1989 |
| 4810917 |
Digital resolver/encoder assembly |
Mar. 7, 1989 |
| 4755751 |
Brushless rotary position transducer |
Jul. 5, 1988 |
| 4733116 |
Angle sensor with reduction gear |
Mar. 22, 1988 |
| 4594540 |
Angular measurement system |
Jun. 10, 1986 |
| 4429307 |
Capacitive transducer with continuous sinusoidal output |
Jan. 31, 1984 |
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