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KR890007059A - 계수형 계측기기의 계수오류 검출장치 - Google Patents

계수형 계측기기의 계수오류 검출장치 Download PDF

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Publication number
KR890007059A
KR890007059A KR1019880013083A KR880013083A KR890007059A KR 890007059 A KR890007059 A KR 890007059A KR 1019880013083 A KR1019880013083 A KR 1019880013083A KR 880013083 A KR880013083 A KR 880013083A KR 890007059 A KR890007059 A KR 890007059A
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KR
South Korea
Prior art keywords
phase
signals
error detection
measuring instrument
detection device
Prior art date
Application number
KR1019880013083A
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English (en)
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KR920002022B1 (ko
Inventor
히로시 유카와
Original Assignee
시모야마도시로
오림파스 고가꾸 고오교 가부시기가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 시모야마도시로, 오림파스 고가꾸 고오교 가부시기가이샤 filed Critical 시모야마도시로
Publication of KR890007059A publication Critical patent/KR890007059A/ko
Application granted granted Critical
Publication of KR920002022B1 publication Critical patent/KR920002022B1/ko

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24457—Failure detection
    • G01D5/24461—Failure detection by redundancy or plausibility
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24404—Interpolation using high frequency signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measuring Volume Flow (AREA)

Abstract

내용 없음

Description

계수형 계측기기의 계수오류 검출장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 2개의 위상신호(phase signals)에 대한 종래의 1실시예를 나타낸 예시도.
제3도는 종래의 비교기(comparator)의 작동원리를 나타낸 설명도.
제4도는 제1도에 나타낸 종래의 계측기기의 작동원리를 나타내는 흐름도(flow chart).
제5도는 본 발명에 의한 계수오류검출장치의 1실시예를 포함하는 계수형 계측기기의 회로도.

Claims (3)

  1. 탐지기에서 발생하여 90°위상으로 각각 이동하는 두개의 위상신호에서 두개의 N위상간신호(phase inter polation signals)를 발생하며 상기의 두개의 위상신호와 두개의 N위상보간신호에 의해 계수되도록 구성하는 계수 계측기의 계수 오류검출회로에 있어서, 상기 두개의 N위상보간신호의 각진폭이 사전고정치보다 더 적어질때 오류신호를 발생하도록함을 특징으로 하는 상기 카운트 오류검출회로.
  2. 제1항에 있어서, 상기 두개의 위상신호중 각각 45°에 가장 가까운 각의 위상 도는 45°위상으로 이동한 상기 두개의 N위상보간신호중 하나의 신호의 진폭이 사전고정치보다 더 적어질때 오류신호가 발생하도록함을 특징으로 하는 상기 계수 오류검출회로.
  3. 제1항에 있어서, 상기 두개의 위상신호의 각 사이클이 사전고정치보다 더 적어질때 경보신호를 발생하는 경보회로가 부가됨을 특징으로 하는 상기 계수 오류검출회로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880013083A 1987-10-12 1988-10-07 계수형 계측기기의 계수오류 검출장치 KR920002022B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP87-256516 1987-10-12
JP62256516A JPH0198923A (ja) 1987-10-12 1987-10-12 カウント式測定器のカウントエラー検出回路
JP?62-256516 1987-10-12

Publications (2)

Publication Number Publication Date
KR890007059A true KR890007059A (ko) 1989-06-17
KR920002022B1 KR920002022B1 (ko) 1992-03-09

Family

ID=17293710

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880013083A KR920002022B1 (ko) 1987-10-12 1988-10-07 계수형 계측기기의 계수오류 검출장치

Country Status (5)

Country Link
US (1) US4949364A (ko)
EP (1) EP0311947B1 (ko)
JP (1) JPH0198923A (ko)
KR (1) KR920002022B1 (ko)
DE (1) DE3887253T2 (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01278124A (ja) * 1988-04-30 1989-11-08 Hitachi Koki Co Ltd 計数装置のカウントエラー検知装置
GB9117635D0 (en) * 1991-08-15 1991-10-02 British Telecomm Phase shifter
US5365184A (en) * 1993-01-13 1994-11-15 United Technologies Corporation Quadrature phase processing
US5442313A (en) * 1994-05-27 1995-08-15 The Torrington Company Resolution multiplying circuit
US5671258A (en) * 1994-12-20 1997-09-23 3Com Corporation Clock recovery circuit and receiver using same
US5767653A (en) * 1995-10-24 1998-06-16 Micro Linear Corporation Variable speed AC induction motor controller
US5714897A (en) * 1996-06-19 1998-02-03 Micro Linear Corporation Phase-shifted triangle wave generator
US5793168A (en) * 1996-08-23 1998-08-11 Micro Linear Corporation Active deceleration circuit for a brushless DC motor
US5864246A (en) * 1997-03-31 1999-01-26 Lsi Logic Corporation Method and apparatus for doubling a clock signal using phase interpolation
US5859518A (en) * 1997-12-22 1999-01-12 Micro Linear Corporation Switched reluctance motor controller with sensorless rotor position detection
US6242906B1 (en) * 1999-05-10 2001-06-05 Mitutoyo Corporation Systems and methods for calibrating an absolute position encoder
JP4898971B1 (ja) * 2011-04-01 2012-03-21 株式会社マコメ研究所 インダクタンス変化検出回路、変位検出装置及び金属検出装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4031464A (en) * 1976-03-01 1977-06-21 Control Data Corporation Line power distortion detector
DD148265B1 (de) * 1979-12-21 1983-06-15 Eberhard Holder Schaltungsanordnung zur fehlererkennung bei digitalen positionsanzeigen
GB2067747B (en) * 1980-01-18 1983-08-03 Stanley Tools Ltd Displacement measuring system
DE3005149A1 (de) * 1980-02-12 1981-08-20 Brown, Boveri & Cie Ag, 6800 Mannheim Verfahren zur ueberwachung von impulsfolgen
JPS5753809A (en) * 1980-09-16 1982-03-31 Toshiba Corp Waveform shaping circuit of digital signal processor
US4529892A (en) * 1982-11-23 1985-07-16 Rca Corporation Detection circuitry with multiple overlapping thresholds
JPS61120014A (ja) * 1984-11-16 1986-06-07 Nakamura Seisakusho:Kk 位置および角度検出装置
JP2609845B2 (ja) * 1985-12-17 1997-05-14 株式会社 マコメ研究所 デコーダを用いる内插回路

Also Published As

Publication number Publication date
US4949364A (en) 1990-08-14
KR920002022B1 (ko) 1992-03-09
EP0311947B1 (en) 1994-01-19
JPH0198923A (ja) 1989-04-17
EP0311947A3 (en) 1990-12-19
EP0311947A2 (en) 1989-04-19
DE3887253T2 (de) 1994-08-11
DE3887253D1 (de) 1994-03-03

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