JPS59224515A - 光学式エンコ−ダ - Google Patents

光学式エンコ−ダ

Info

Publication number
JPS59224515A
JPS59224515A JP9896283A JP9896283A JPS59224515A JP S59224515 A JPS59224515 A JP S59224515A JP 9896283 A JP9896283 A JP 9896283A JP 9896283 A JP9896283 A JP 9896283A JP S59224515 A JPS59224515 A JP S59224515A
Authority
JP
Japan
Prior art keywords
light
optical
photodetector
pulse
laser beam
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.)
Granted
Application number
JP9896283A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0442604B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Koichi Yamada
康一 山田
Seio Watanabe
渡辺　勢夫
Kazuo Nishi
西　和郎
Mutsuo Hirai
平井　睦雄
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP9896283A priority Critical patent/JPS59224515A/ja
Priority to DE19843420600 priority patent/DE3420600A1/de
Publication of JPS59224515A publication Critical patent/JPS59224515A/ja
Publication of JPH0442604B2 publication Critical patent/JPH0442604B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type
    • H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
    • H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
    • H03M1/30—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental
    • H03M1/301—Constructional details of parts relevant to the encoding mechanism, e.g. pattern carriers, pattern sensors
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Transform (AREA)
JP9896283A 1983-06-03 1983-06-03 光学式エンコ−ダ Granted JPS59224515A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP9896283A JPS59224515A (ja) 1983-06-03 1983-06-03 光学式エンコ−ダ
DE19843420600 DE3420600A1 (de) 1983-06-03 1984-06-01 Optischer codierer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9896283A JPS59224515A (ja) 1983-06-03 1983-06-03 光学式エンコ−ダ

Publications (2)

Publication Number Publication Date
JPS59224515A true JPS59224515A (ja) 1984-12-17
JPH0442604B2 JPH0442604B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-07-14

Family

ID=14233692

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9896283A Granted JPS59224515A (ja) 1983-06-03 1983-06-03 光学式エンコ−ダ

Country Status (2)

Country Link
JP (1) JPS59224515A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3420600A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4733069A (en) * 1986-02-14 1988-03-22 Optec Co., Ltd. Position encoder using a laser scan beam
JPS6390717A (ja) * 1986-10-03 1988-04-21 Sony Corp 光学式エンコ−ダ
JPH10260007A (ja) * 1997-03-14 1998-09-29 Ricoh Co Ltd 相対位置検出装置
JP2000028398A (ja) * 1998-07-08 2000-01-28 Ricoh Co Ltd 光学式エンコーダ装置
US7532370B2 (en) 2002-12-02 2009-05-12 Ricoh Company, Ltd. Optical encoder, motor driver and image forming apparatus
JP2009264778A (ja) * 2008-04-22 2009-11-12 Satoshi Kiyono 光スポット変位検出装置及び計測装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3737278A1 (de) * 1986-11-04 1988-05-11 Canon Kk Verfahren und vorrichtung zum optischen erfassen der stellung eines objekts
DE4220502C1 (de) * 1992-06-23 1993-12-16 Stegmann Max Antriebstech Drehwinkelmeßsystem
ATE458985T1 (de) * 2000-03-28 2010-03-15 Aim Controls Inc Drehgeber
DE10311412B3 (de) * 2003-03-13 2004-05-27 Lenord, Bauer & Co. Gmbh Verfahren zur Messung und Bestimmung der absoluten Position einer Geberwelle sowie einer Einrichtung zur Anwendung des Verfahrens
JP4863803B2 (ja) 2006-07-28 2012-01-25 株式会社ミツトヨ 光学式エンコーダ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7100212A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-01-08 1972-07-11
DE2517176A1 (de) * 1975-04-18 1976-10-21 Espera Werke Gmbh Einstellvorrichtung fuer abtastvorrichtungen an merkmalskalen
US4096383A (en) * 1976-11-08 1978-06-20 Gilbert & Barker Manufacturing Company Pulse-generating apparatus responsive to shaft rotation
US4263506A (en) * 1978-12-21 1981-04-21 Hewlett-Packard Company Pulse generating apparatus
US4385234A (en) * 1980-11-25 1983-05-24 Bei Electronics, Inc. Optical systems for optical encoders
JPS57136118A (en) * 1981-02-17 1982-08-23 Ricoh Co Ltd Setting of phase difference in two sets of pulse trains of rotary encoder
GB2114834A (en) * 1982-02-12 1983-08-24 Solenoids And Regulators Limit Displacement encoder

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4733069A (en) * 1986-02-14 1988-03-22 Optec Co., Ltd. Position encoder using a laser scan beam
JPS6390717A (ja) * 1986-10-03 1988-04-21 Sony Corp 光学式エンコ−ダ
JPH10260007A (ja) * 1997-03-14 1998-09-29 Ricoh Co Ltd 相対位置検出装置
JP2000028398A (ja) * 1998-07-08 2000-01-28 Ricoh Co Ltd 光学式エンコーダ装置
US7532370B2 (en) 2002-12-02 2009-05-12 Ricoh Company, Ltd. Optical encoder, motor driver and image forming apparatus
JP2009264778A (ja) * 2008-04-22 2009-11-12 Satoshi Kiyono 光スポット変位検出装置及び計測装置

Also Published As

Publication number Publication date
DE3420600A1 (de) 1984-12-13
JPH0442604B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-07-14
DE3420600C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-09-07

Similar Documents

Publication Publication Date Title
US9018578B2 (en) Adaptable resolution optical encoder having structured illumination and spatial filtering
JP5815122B2 (ja) 位置検出器及び光偏向装置
JPH0697171B2 (ja) 変位測定装置
GB2186362A (en) Reference position detecting device and encoder having said device
JP2009186471A (ja) 光学式位置測定装置
JPS59224515A (ja) 光学式エンコ−ダ
JP3641316B2 (ja) 光学式エンコーダ
JP2560513B2 (ja) 回析干渉型エンコーダ
US6723980B2 (en) Position sensor with grating to detect moving object with periodic pattern
JP2562479B2 (ja) 反射式ｘｙエンコーダ
JP4473975B2 (ja) エンコーダ
JPS6152403B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH06174424A (ja) 測長または測角装置
JPH0642981A (ja) 光学式エンコーダ
JPH074992A (ja) エンコーダ装置
JPH0521485B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS59224516A (ja) 光学式エンコ−ダ
US7196319B2 (en) Position-measuring device
JP2670457B2 (ja) 零点位置検出装置
JPS59195118A (ja) 光学式ロ−タリ−エンコ−ダ
JP2541947B2 (ja) 絶対位置検出装置
JPH01280215A (ja) 光学式エンコーダ
JPH01187413A (ja) 反射型エンコーダ
JP2577182B2 (ja) 位置測定装置
JPH0521486B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)