JPS57105831A - Detector for optical position - Google Patents

Detector for optical position

Info

Publication number
JPS57105831A
JPS57105831A JP55180687A JP18068780A JPS57105831A JP S57105831 A JPS57105831 A JP S57105831A JP 55180687 A JP55180687 A JP 55180687A JP 18068780 A JP18068780 A JP 18068780A JP S57105831 A JPS57105831 A JP S57105831A
Authority
JP
Japan
Prior art keywords
light
prism
prisms
error signal
deflected
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
JP55180687A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6336045B2 (enrdf_load_stackoverflow
Inventor
Tsuneo Hirose
Shinichi Tanaka
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP55180687A priority Critical patent/JPS57105831A/ja
Publication of JPS57105831A publication Critical patent/JPS57105831A/ja
Publication of JPS6336045B2 publication Critical patent/JPS6336045B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP55180687A 1980-12-19 1980-12-19 Detector for optical position Granted JPS57105831A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55180687A JPS57105831A (en) 1980-12-19 1980-12-19 Detector for optical position

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55180687A JPS57105831A (en) 1980-12-19 1980-12-19 Detector for optical position

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP62330837A Division JPS63171435A (ja) 1987-12-25 1987-12-25 光学的位置検出装置
JP62330836A Division JPS63171434A (ja) 1987-12-25 1987-12-25 光学的位置検出装置

Publications (2)

Publication Number Publication Date
JPS57105831A true JPS57105831A (en) 1982-07-01
JPS6336045B2 JPS6336045B2 (enrdf_load_stackoverflow) 1988-07-19

Family

ID=16087544

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55180687A Granted JPS57105831A (en) 1980-12-19 1980-12-19 Detector for optical position

Country Status (1)

Country Link
JP (1) JPS57105831A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6074126A (ja) * 1983-09-29 1985-04-26 Matsushita Electric Ind Co Ltd 光ヘッド
JPS60169706A (ja) * 1984-02-14 1985-09-03 Olympus Optical Co Ltd 表面形状測定装置
JPS6159201A (ja) * 1984-08-30 1986-03-26 Sony Corp トラッキング誤差検出装置
JPS62172208A (ja) * 1986-01-27 1987-07-29 Osaka Seimitsu Kikai Kk 光学的形状測定方法
JPS62238403A (ja) * 1986-04-09 1987-10-19 Mitsubishi Electric Corp 表面形状測定装置
JPS63250552A (ja) * 1987-04-08 1988-10-18 Yasunaga Tekkosho:Kk 光学式傷変位計測装置
US5161139A (en) * 1989-01-06 1992-11-03 Kabushiki Kaisha Toshiba Focusing error detecting apparatus

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6074126A (ja) * 1983-09-29 1985-04-26 Matsushita Electric Ind Co Ltd 光ヘッド
JPS60169706A (ja) * 1984-02-14 1985-09-03 Olympus Optical Co Ltd 表面形状測定装置
JPS6159201A (ja) * 1984-08-30 1986-03-26 Sony Corp トラッキング誤差検出装置
JPS62172208A (ja) * 1986-01-27 1987-07-29 Osaka Seimitsu Kikai Kk 光学的形状測定方法
JPS62238403A (ja) * 1986-04-09 1987-10-19 Mitsubishi Electric Corp 表面形状測定装置
JPS63250552A (ja) * 1987-04-08 1988-10-18 Yasunaga Tekkosho:Kk 光学式傷変位計測装置
US5161139A (en) * 1989-01-06 1992-11-03 Kabushiki Kaisha Toshiba Focusing error detecting apparatus

Also Published As

Publication number Publication date
JPS6336045B2 (enrdf_load_stackoverflow) 1988-07-19

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