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특허 상세정보

Circuit for detecting phase relationship between two signals

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H03D-013/00    G06M-003/14    G01R-025/00   
미국특허분류(USC) 377/043; 250/231.SE; 328/133; 340/347.P; 377/053
출원번호 US-0167488 (1980-07-11)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Tripoli, Joseph S.Phillion, Donald W.
인용정보 피인용 횟수 : 13  인용 특허 : 10
초록

A circuit for detecting leading or lagging phase relationship between first and second two-level input signals at each level transition of a selected one of the input signals and comprising first and second Exclusive OR gates each having first and second input terminals and a single output terminal and each responsive to signals of equal and non-equal logic levels supplied to the first and second input terminals thereof to produce an output signal having high and low logic levels, respectively. Further connections supply the first and second input signal...

대표
청구항

1. A circuit for determining the leading or lagging phase relationship between first and second two-level signals at each level transition of said first two-level signal, and comprising: first and second Exclusive OR gate means each having first input terminals for receiving said first and second two level signals respectively and further having a second input terminal and an output terminal; decoding means having first and second input terminals coupled respectively only to the output terminals of said first and second Exclusive OR gate means and re...

이 특허를 인용한 특허 피인용횟수: 13

  1. Baba, Yasuo; Asano, Ichiro. Apparatus for automatically phase-calibrating. USP1985124559492.
  2. Grewal Harsimran S. (San Francisco CA) Yang Lawrence R. (Palo Alto CA). Circuitry that detects a phase difference between a first, base, clock and a second, derivative, clock derived from the. USP1997125703502.
  3. McElroy Patrick (Garden Grove CA). Clock recovery system and rotational detection circuit. USP1997015596188.
  4. McGuire Donald W. (Dover PA) Cordes Harry B. (York PA). Conversion of quadrature signals into counter control pulses. USP1986074599600.
  5. Arimura Yoshiaki (Yokohama JPX). Displacement detector for detecting an amount of displacement of an object to be measured. USP1989044825070.
  6. Sasaki Tsuneo (Tokyo JPX) Ohtomo Fumio (Tokyo JPX) Yokokura Takashi (Tokyo JPX) Kondo Fumitomo (Tokyo JPX). Displacement measuring device utilizing an incremental code. USP1986044580047.
  7. Dummermuth Ernst H. (Chesterland OH) Morris David J. (Mayfield Heights OH) Korba Michael F. (Saline MI). Encoder and resolver signal processing circuit. USP1989054831510.
  8. Ogawa Sumitaka (Wako JPX) Kawabe Masami (Hanno JPX) Nakamura Masanori (Hanno JPX) Maeda Hidenori (Hanno JPX) Morita Yoshio (Hanno JPX). Method for detecting a reference angular position of a rotary body. USP1990034907178.
  9. Blitshteyn Mark (North Wales PA). Panoramic electrostatic field sensor. USP1985074529940.
  10. Hiramoto Yukio (Yokohama JPX). Position and direction of motion sensing system. USP1987104698828.
  11. Cohen Robert K. (244 Hansen Ave. Albany NY 12208). Quadrature phase signal processor. USP1987124714913.
  12. Franzolini Luciano (Milan ITX). Tachymetric simulation method processing signals from an inductive position transducer and circuit for carrying out said. USP1987104703391.
  13. Prud\hon Lucien (Meaux FRX) Bele Robert (Meaux FRX). Ultrasonic probe for accurately determining angular position and an echography apparatus using such a probe. USP1985074531412.