JPS593214A - ロ−タリ−エンコ−ダ - Google Patents

ロ−タリ−エンコ−ダ

Info

Publication number
JPS593214A
JPS593214A JP11214982A JP11214982A JPS593214A JP S593214 A JPS593214 A JP S593214A JP 11214982 A JP11214982 A JP 11214982A JP 11214982 A JP11214982 A JP 11214982A JP S593214 A JPS593214 A JP S593214A
Authority
JP
Japan
Prior art keywords
detection
voltage
rectangular wave
average value
reference voltage
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
JP11214982A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0457966B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Takashi Nagase
喬 長瀬
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.)
Yaskawa Electric Corp
Original Assignee
Yaskawa Electric Manufacturing Co Ltd
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 Yaskawa Electric Manufacturing Co Ltd filed Critical Yaskawa Electric Manufacturing Co Ltd
Priority to JP11214982A priority Critical patent/JPS593214A/ja
Publication of JPS593214A publication Critical patent/JPS593214A/ja
Publication of JPH0457966B2 publication Critical patent/JPH0457966B2/ja
Granted 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
    • G01D5/26—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
    • G01D5/366—Particular pulse shapes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Optical Transform (AREA)
JP11214982A 1982-06-29 1982-06-29 ロ−タリ−エンコ−ダ Granted JPS593214A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11214982A JPS593214A (ja) 1982-06-29 1982-06-29 ロ−タリ−エンコ−ダ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11214982A JPS593214A (ja) 1982-06-29 1982-06-29 ロ−タリ−エンコ−ダ

Publications (2)

Publication Number Publication Date
JPS593214A true JPS593214A (ja) 1984-01-09
JPH0457966B2 JPH0457966B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-09-16

Family

ID=14579455

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11214982A Granted JPS593214A (ja) 1982-06-29 1982-06-29 ロ−タリ−エンコ−ダ

Country Status (1)

Country Link
JP (1) JPS593214A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6156912A (ja) * 1984-08-28 1986-03-22 Sharp Corp 光電式ロ−タリ−エンコ−ダ
JPH01118716A (ja) * 1987-10-31 1989-05-11 Yaskawa Electric Mfg Co Ltd オプティカルエンコーダ
JPH0329819A (ja) * 1989-06-28 1991-02-07 Matsushita Electric Ind Co Ltd 光学式エンコーダの検出信号補償回路
JP2000275067A (ja) * 1999-03-25 2000-10-06 Koyo Electronics Ind Co Ltd 光学式ロータリエンコーダ
JP2009168697A (ja) * 2008-01-18 2009-07-30 Canon Inc 位置検出装置、撮像装置および光学装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4825762U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-07-29 1973-03-27
JPS52104258A (en) * 1976-02-27 1977-09-01 Yokogawa Hokushin Electric Corp Displacement conversion unit
JPS5455466A (en) * 1977-10-12 1979-05-02 Nippon Bizeruba Kk Light receptor for measuring balance
JPS54178544U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1978-06-06 1979-12-17
JPS5582010A (en) * 1978-12-05 1980-06-20 Heidenhain Gmbh Dr Johannes Photoelectric element circuit
JPS5686301A (en) * 1979-12-15 1981-07-14 Futaba Corp Length measuring device
JPS56119807A (en) * 1980-02-28 1981-09-19 Brother Ind Ltd Photosensor circuit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4825762U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-07-29 1973-03-27
JPS52104258A (en) * 1976-02-27 1977-09-01 Yokogawa Hokushin Electric Corp Displacement conversion unit
JPS5455466A (en) * 1977-10-12 1979-05-02 Nippon Bizeruba Kk Light receptor for measuring balance
JPS54178544U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1978-06-06 1979-12-17
JPS5582010A (en) * 1978-12-05 1980-06-20 Heidenhain Gmbh Dr Johannes Photoelectric element circuit
JPS5686301A (en) * 1979-12-15 1981-07-14 Futaba Corp Length measuring device
JPS56119807A (en) * 1980-02-28 1981-09-19 Brother Ind Ltd Photosensor circuit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6156912A (ja) * 1984-08-28 1986-03-22 Sharp Corp 光電式ロ−タリ−エンコ−ダ
JPH01118716A (ja) * 1987-10-31 1989-05-11 Yaskawa Electric Mfg Co Ltd オプティカルエンコーダ
JPH0329819A (ja) * 1989-06-28 1991-02-07 Matsushita Electric Ind Co Ltd 光学式エンコーダの検出信号補償回路
JP2000275067A (ja) * 1999-03-25 2000-10-06 Koyo Electronics Ind Co Ltd 光学式ロータリエンコーダ
JP2009168697A (ja) * 2008-01-18 2009-07-30 Canon Inc 位置検出装置、撮像装置および光学装置

Also Published As

Publication number Publication date
JPH0457966B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-09-16

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