DE68916400D1 - Kodierer. - Google Patents

Kodierer.

Info

Publication number
DE68916400D1
DE68916400D1 DE68916400T DE68916400T DE68916400D1 DE 68916400 D1 DE68916400 D1 DE 68916400D1 DE 68916400 T DE68916400 T DE 68916400T DE 68916400 T DE68916400 T DE 68916400T DE 68916400 D1 DE68916400 D1 DE 68916400D1
Authority
DE
Germany
Prior art keywords
encoder
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE68916400T
Other languages
English (en)
Other versions
DE68916400T2 (de
Inventor
Mitsuyuki F Mansion Taniguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fanuc Corp
Original Assignee
Fanuc Corp
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.)
Filing date
Publication date
Application filed by Fanuc Corp filed Critical Fanuc Corp
Publication of DE68916400D1 publication Critical patent/DE68916400D1/de
Application granted granted Critical
Publication of DE68916400T2 publication Critical patent/DE68916400T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • 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
    • G01D5/24471—Error correction
    • G01D5/2448—Correction of gain, threshold, offset or phase control
    • 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
    • G01D5/26—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/36—Forming the light into pulses
    • 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
    • G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
    • G01D18/001—Calibrating encoders
    • 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
    • G01D5/24471—Error correction
    • G01D5/2449—Error correction using hard-stored calibration data
DE68916400T 1988-04-18 1989-03-31 Kodierer. Expired - Fee Related DE68916400T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63093515A JP2571096B2 (ja) 1988-04-18 1988-04-18 エンコーダ
PCT/JP1989/000348 WO1989010541A1 (en) 1988-04-18 1989-03-31 Encoder

Publications (2)

Publication Number Publication Date
DE68916400D1 true DE68916400D1 (de) 1994-07-28
DE68916400T2 DE68916400T2 (de) 1994-10-13

Family

ID=14084478

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68916400T Expired - Fee Related DE68916400T2 (de) 1988-04-18 1989-03-31 Kodierer.

Country Status (6)

Country Link
US (1) US5120954A (de)
EP (1) EP0377045B1 (de)
JP (1) JP2571096B2 (de)
KR (1) KR900700856A (de)
DE (1) DE68916400T2 (de)
WO (1) WO1989010541A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5572019A (en) * 1991-03-12 1996-11-05 Canon Kabushiki Kaisha Encoder with varying width light receiver and apparatus having the encoder
JPH04295719A (ja) * 1991-03-25 1992-10-20 Nikon Corp アブソリュ−ト・エンコ−ダ
JP3313750B2 (ja) * 1992-01-21 2002-08-12 キヤノン株式会社 信号処理装置及びこれを用いた装置
JPH06167354A (ja) * 1992-11-27 1994-06-14 Sony Magnescale Inc スケールの内挿処理装置
JPH07218288A (ja) * 1994-01-28 1995-08-18 Mitsubishi Electric Corp 絶対位置検出装置及びその誤差補正方法
WO1995022206A1 (en) * 1994-02-15 1995-08-17 Rambus, Inc. Delay-locked loop
US6396052B1 (en) 2000-04-07 2002-05-28 Lexmark International, Inc. High precision analog encoder system
US6452512B1 (en) 2001-07-03 2002-09-17 Lexmark International, Inc. Method for initializing an analog encoder
US6768427B1 (en) 2003-03-25 2004-07-27 Lexmark International, Inc. Encoder initialization methods and related systems
JP4453758B2 (ja) * 2006-06-19 2010-04-21 パナソニック株式会社 エンコーダ信号の位相補正回路
JP4119460B2 (ja) * 2006-06-21 2008-07-16 ファナック株式会社 エンコーダの出力信号の振幅算出装置及びエンコーダの出力信号の振幅算出プログラム
FR2902516A1 (fr) * 2006-11-22 2007-12-21 Siemens Vdo Automotive Sas Dispositif et procede de conditionnement pour un capteur de position angulaire du type produisant au moins deux signaux periodiques dephases.
JP5106336B2 (ja) * 2008-09-26 2012-12-26 オークマ株式会社 位置検出装置
JP5439163B2 (ja) * 2009-12-25 2014-03-12 オリンパス株式会社 光学式信号出力装置の信号処理装置及び光学式変位検出装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE355668B (de) * 1971-08-23 1973-04-30 Aga Ab
JPS5618715A (en) * 1979-07-24 1981-02-21 Nippon Kogaku Kk <Nikon> Error-compensated encoder
GB2067747B (en) * 1980-01-18 1983-08-03 Stanley Tools Ltd Displacement measuring system
GB2076147B (en) * 1980-05-15 1984-07-11 Ferranti Ltd Position encoder
DE3202339C2 (de) * 1982-01-26 1983-12-15 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Digitale elektrische Längen- oder Winkelmeßeinrichtung
US4686510A (en) * 1983-03-25 1987-08-11 Baker Alan J Method of averaging a plurality of measured modulo values
US4691192A (en) * 1983-03-25 1987-09-01 Baker Alan J Method and apparatus for measuring angular displacement
US4970511A (en) * 1989-12-04 1990-11-13 Bei Electronics, Inc. Method and apparatus for n/(n-x) resolver encoder

Also Published As

Publication number Publication date
DE68916400T2 (de) 1994-10-13
EP0377045A4 (en) 1992-12-16
WO1989010541A1 (en) 1989-11-02
JP2571096B2 (ja) 1997-01-16
KR900700856A (ko) 1990-08-17
JPH01265117A (ja) 1989-10-23
US5120954A (en) 1992-06-09
EP0377045A1 (de) 1990-07-11
EP0377045B1 (de) 1994-06-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee