JPS58161150A - 光ピツクアツプ - Google Patents

光ピツクアツプ

Info

Publication number
JPS58161150A
JPS58161150A JP4388482A JP4388482A JPS58161150A JP S58161150 A JPS58161150 A JP S58161150A JP 4388482 A JP4388482 A JP 4388482A JP 4388482 A JP4388482 A JP 4388482A JP S58161150 A JPS58161150 A JP S58161150A
Authority
JP
Japan
Prior art keywords
total reflection
error signal
light beam
plate
reflection prism
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
JP4388482A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63853B2 (enrdf_load_stackoverflow
Inventor
Tsutomu Matsui
勉 松井
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.)
Akai Electric Co Ltd
Original Assignee
Akai Electric 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 Akai Electric Co Ltd filed Critical Akai Electric Co Ltd
Priority to JP4388482A priority Critical patent/JPS58161150A/ja
Publication of JPS58161150A publication Critical patent/JPS58161150A/ja
Publication of JPS63853B2 publication Critical patent/JPS63853B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP4388482A 1982-03-19 1982-03-19 光ピツクアツプ Granted JPS58161150A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4388482A JPS58161150A (ja) 1982-03-19 1982-03-19 光ピツクアツプ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4388482A JPS58161150A (ja) 1982-03-19 1982-03-19 光ピツクアツプ

Publications (2)

Publication Number Publication Date
JPS58161150A true JPS58161150A (ja) 1983-09-24
JPS63853B2 JPS63853B2 (enrdf_load_stackoverflow) 1988-01-08

Family

ID=12676128

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4388482A Granted JPS58161150A (ja) 1982-03-19 1982-03-19 光ピツクアツプ

Country Status (1)

Country Link
JP (1) JPS58161150A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6038740A (ja) * 1983-08-10 1985-02-28 Canon Inc 光熱磁気記録体用光ヘツド
JPS60193141A (ja) * 1984-03-14 1985-10-01 Mitsubishi Electric Corp 光学的焦点ずれ検出装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0362850U (enrdf_load_stackoverflow) * 1989-10-19 1991-06-19

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6038740A (ja) * 1983-08-10 1985-02-28 Canon Inc 光熱磁気記録体用光ヘツド
JPS60193141A (ja) * 1984-03-14 1985-10-01 Mitsubishi Electric Corp 光学的焦点ずれ検出装置

Also Published As

Publication number Publication date
JPS63853B2 (enrdf_load_stackoverflow) 1988-01-08

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