JPH041410B2 - - Google Patents

Info

Publication number
JPH041410B2
JPH041410B2 JP57153442A JP15344282A JPH041410B2 JP H041410 B2 JPH041410 B2 JP H041410B2 JP 57153442 A JP57153442 A JP 57153442A JP 15344282 A JP15344282 A JP 15344282A JP H041410 B2 JPH041410 B2 JP H041410B2
Authority
JP
Japan
Prior art keywords
light
optical
optical disk
light receiving
disk
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.)
Expired - Lifetime
Application number
JP57153442A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5942648A (ja
Inventor
Akio Koizumi
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP57153442A priority Critical patent/JPS5942648A/ja
Publication of JPS5942648A publication Critical patent/JPS5942648A/ja
Publication of JPH041410B2 publication Critical patent/JPH041410B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13—Optical detectors therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP57153442A 1982-09-03 1982-09-03 光ディスク再生装置 Granted JPS5942648A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57153442A JPS5942648A (ja) 1982-09-03 1982-09-03 光ディスク再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57153442A JPS5942648A (ja) 1982-09-03 1982-09-03 光ディスク再生装置

Publications (2)

Publication Number Publication Date
JPS5942648A JPS5942648A (ja) 1984-03-09
JPH041410B2 true JPH041410B2 (cs) 1992-01-13

Family

ID=15562624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57153442A Granted JPS5942648A (ja) 1982-09-03 1982-09-03 光ディスク再生装置

Country Status (1)

Country Link
JP (1) JPS5942648A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0322227A (ja) * 1989-06-19 1991-01-30 Matsushita Electric Ind Co Ltd 光ディスク装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5838854B2 (ja) * 1976-06-14 1983-08-25 松下電器産業株式会社 光学再生装置

Also Published As

Publication number Publication date
JPS5942648A (ja) 1984-03-09

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