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특허 상세정보

Encoder and resolver signal processing circuit

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G05B-023/00    G06F-003/03   
미국특허분류(USC) 364/16701 ; 364/560 ; 318/603 ; 341/116
출원번호 US-0097853 (1987-09-17)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 15  인용 특허 : 21
초록

A circuit can be configured to process signals from either a resolver or an encoder to derive an indication of the sensed angular position. (1) When the circuit is configured for an encoder, the output from the encoder is periodically sampled. The phase relationship of the encoder input signals controls a counter. The output of the counter is periodically sampled to provide the position indication. (2) In the resolver configuration, the counter is rest at regular intervals. An apparatus detects zero crossings from the resolver signal and in response ther...

대표
청구항

A system for processing signals from a transducer for monitoring the angular position of an object rotatable in either of two directions, which transducer may be either a first type providing first and second signals whose phase relationship indicates the direction of the object\s rotation and whose number of amplitude transitions relative to an index pulse from the transducer indicates the angular position or a second type of transducer providing an output signal whose phase varies with changes in the angular position, said system comprising: first, sec...

이 특허에 인용된 특허 (21)

  1. Avins, Jeremiah Y.; Phillion, Donald W.. Circuit for detecting phase relationship between two signals. USP1983044379221.
  2. Kumar Shalabh (Kildeer IL) Johnson Keith R. (Orland Park IL). Compact digital resolver/encoder assembly with flexible circuit board. USP1988034728834.
  3. Denham Edward L. (Charlottesville VA) Tuso Michael J. (Afton VA). Compensated resolver feedback. USP1984094472669.
  4. Veale John R. (Manhattan Beach CA). Digital positioning systems having high accuracy. USP1984014429267.
  5. Tassone Joseph (Lexington MA). Encoder interface with error detection and method therefor. USP1986064597081.
  6. Fortescue Stephen M. (Northridge CA). Encoder tracking digitizer having stable output. USP1984054449117.
  7. Sagues Paul (Berkeley CA). Method and apparatus for measuring velocity and position in servo systems. USP1987014639884.
  8. Henning, Jerrold V.. Microcomputer retriggerable interval counter. USP1985084538235.
  9. Hungerford William R. (Detroit MI). Numerical control resolver position measuring device. USP1980054204257.
  10. Passey Douglas A. (Cleveland Heights OH) Jerva Ronald E. (Mentor On The Lake OH). Numerical control servo drive circuit. USP1982074342077.
  11. Ono Tadahiro (Shizuoka JPX) Igarashi Shigenori (Susono JPX). Pulse generator. USP1986124631523.
  12. Cohen Robert K. (244 Hansen Ave. Albany NY 12208). Quadrature phase signal processor. USP1987124714913.
  13. Miller George W. (Anoka MN) Meyer Larry A. (Minneapolis MN). Resolver to digital converter. USP1976113990062.
  14. Duckworth James J. (Rockaway NJ). Resolver to incremental shaft encoder converter. USP1984124486845.
  15. Ono Tadahiro (Shizuoka JPX). Resolver-type rotational positioning arrangement. USP1985074529922.
  16. Shimizu Wataru (Fuchu JPX) Yamashita Akira (Komae JPX). Rotation speed detection device having a rotation angle detector of inductive type. USP1986094612503.
  17. Dozier Harold W. (Carrollton TX). Single chip MOS/LSI microcomputer with binary timer. USP1982094348743.
  18. Steglich Helmar Rudolf (Marblehead MA). System for generating an angular rate signal from an angular position signal utilizing a constant amplitude-variable car. USP1977034011440.
  19. Bonivich Paul E. (Waynesboro VA). System for position sensing transducers. USP1986024573139.
  20. Stack Timothy F. (Enfield CT) Shoemaker George T. (Enfield CT). Universal analog signal to digital signal interface. USP1982074340881.
  21. Ono Tadahiro (Shizuoka JPX) Miura Naoshi (Shizuoka JPX). Velocity detecting apparatus having a two-phase resolver. USP1984114481468.

이 특허를 인용한 특허 피인용횟수: 15

  1. Fore, Frank A.. Acceleration recorder. USP2003116647787.
  2. Dennis A. Burns. Apparatus and method for sensing and magnetically communicating physical parameters of rotating shaft. USP2002076424148.
  3. Gupta,Vikram. Apparatus for designing mixed signal integrated circuits and configurable synchronous digital noise emulator circuit. USP2008087409331.
  4. Stephens, Alexander R.. Bi-directional signal converter. USP2004096789041.
  5. Stephens,Alexander R.. Bi-directional signal converter. USP2008037349821.
  6. Gschossmann, Günther. Electronic circuit configuration for optionally connecting rotary speed sensors, especially in commercial vehicles. USP2009077560918.
  7. Adkins, Christopher Alan; Barkley, Lucas David; Marra, III, Michael Anthony. Encoder systems for printers and related methods. USP2003076600150.
  8. David Allen Topmiller. Method and apparatus for synthesizing an incremental signal. USP2002086434516.
  9. Gupta, Vikram. Method for designing mixed signal integrated circuits and configurable synchronous digital noise emulator circuit. USP2005096947883.
  10. Ezuka Yasuhiro,JPX. Position detecting apparatus and method therefor. USP1998045739659.
  11. Kumar Shalabh (Kildeer IL) Chow Vince (Highland Park IL). Programmable controller linear transducer input modules. USP1991085038305.
  12. Topmiller, David Allen. Programmed method and apparatus for quadrature output sensors. USP2004066757635.
  13. Topmiller,David Allen. Programmed method and apparatus for quadrature output sensors. USP2007127310587.
  14. Stephens,Alexander R.. Reprogrammable bi-directional signal converter. USP2008027336756.
  15. Mienkina, Martin; Chalupa, Leos. Sin-Cos sensor arrangement, integrated circuit and method therefor. USP2015069065475.