JPS58132892A - 光電式エンコ−ダ装置 - Google Patents

光電式エンコ−ダ装置

Info

Publication number
JPS58132892A
JPS58132892A JP57012569A JP1256982A JPS58132892A JP S58132892 A JPS58132892 A JP S58132892A JP 57012569 A JP57012569 A JP 57012569A JP 1256982 A JP1256982 A JP 1256982A JP S58132892 A JPS58132892 A JP S58132892A
Authority
JP
Japan
Prior art keywords
scale
bit string
spot
position information
light
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
JP57012569A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0216848B2 (enExample
Inventor
柳尾　淑孝
進 牧野内
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.)
Nikon Corp
Original Assignee
Nikon Corp
Nippon Kogaku KK
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 Nikon Corp, Nippon Kogaku KK filed Critical Nikon Corp
Priority to JP57012569A priority Critical patent/JPS58132892A/ja
Publication of JPS58132892A publication Critical patent/JPS58132892A/ja
Publication of JPH0216848B2 publication Critical patent/JPH0216848B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Optical Transform (AREA)
  • Optical Recording Or Reproduction (AREA)
JP57012569A 1982-01-30 1982-01-30 光電式エンコ−ダ装置 Granted JPS58132892A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57012569A JPS58132892A (ja) 1982-01-30 1982-01-30 光電式エンコ−ダ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57012569A JPS58132892A (ja) 1982-01-30 1982-01-30 光電式エンコ−ダ装置

Publications (2)

Publication Number Publication Date
JPS58132892A true JPS58132892A (ja) 1983-08-08
JPH0216848B2 JPH0216848B2 (enExample) 1990-04-18

Family

ID=11808979

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57012569A Granted JPS58132892A (ja) 1982-01-30 1982-01-30 光電式エンコ−ダ装置

Country Status (1)

Country Link
JP (1) JPS58132892A (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6033013A (ja) * 1983-08-03 1985-02-20 Optic:Kk 位置エンコ−ダ
JPS6033012A (ja) * 1983-08-03 1985-02-20 Optic:Kk 回転位置エンコ−ダ
JPS6056217A (ja) * 1983-09-07 1985-04-01 Optic:Kk 回転位置エンコ−ダ
JPH0274823A (ja) * 1988-09-09 1990-03-14 Shin Meiwa Ind Co Ltd 位置検出装置
JPH11320457A (ja) * 1998-04-02 1999-11-24 Jc Bamford Excavators Ltd 可動機械要素の位置測定用装置および機械要素のマ―キング方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5222547A (en) * 1975-08-14 1977-02-19 Mitsubishi Electric Corp Electron beam device
JPS5319806A (en) * 1976-08-09 1978-02-23 Hitachi Ltd Information reproducer
JPS53112039A (en) * 1977-03-09 1978-09-30 Philips Nv Optical memory for mechanically addressing

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5222547A (en) * 1975-08-14 1977-02-19 Mitsubishi Electric Corp Electron beam device
JPS5319806A (en) * 1976-08-09 1978-02-23 Hitachi Ltd Information reproducer
JPS53112039A (en) * 1977-03-09 1978-09-30 Philips Nv Optical memory for mechanically addressing

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6033013A (ja) * 1983-08-03 1985-02-20 Optic:Kk 位置エンコ−ダ
JPS6033012A (ja) * 1983-08-03 1985-02-20 Optic:Kk 回転位置エンコ−ダ
JPS6056217A (ja) * 1983-09-07 1985-04-01 Optic:Kk 回転位置エンコ−ダ
JPH0274823A (ja) * 1988-09-09 1990-03-14 Shin Meiwa Ind Co Ltd 位置検出装置
JPH11320457A (ja) * 1998-04-02 1999-11-24 Jc Bamford Excavators Ltd 可動機械要素の位置測定用装置および機械要素のマ―キング方法

Also Published As

Publication number Publication date
JPH0216848B2 (enExample) 1990-04-18

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