JPH0468690B2 - - Google Patents

Info

Publication number
JPH0468690B2
JPH0468690B2 JP6909384A JP6909384A JPH0468690B2 JP H0468690 B2 JPH0468690 B2 JP H0468690B2 JP 6909384 A JP6909384 A JP 6909384A JP 6909384 A JP6909384 A JP 6909384A JP H0468690 B2 JPH0468690 B2 JP H0468690B2
Authority
JP
Japan
Prior art keywords
information recording
reproducing device
optical information
prism
photodetector
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
Application number
JP6909384A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60212835A (ja
Inventor
Mitsushige Kondo
Nobumasa Egashira
Shinsuke Shikama
Teruo Fujita
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP6909384A priority Critical patent/JPS60212835A/ja
Publication of JPS60212835A publication Critical patent/JPS60212835A/ja
Publication of JPH0468690B2 publication Critical patent/JPH0468690B2/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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP6909384A 1984-04-09 1984-04-09 光学式情報記録再生装置 Granted JPS60212835A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6909384A JPS60212835A (ja) 1984-04-09 1984-04-09 光学式情報記録再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6909384A JPS60212835A (ja) 1984-04-09 1984-04-09 光学式情報記録再生装置

Publications (2)

Publication Number Publication Date
JPS60212835A JPS60212835A (ja) 1985-10-25
JPH0468690B2 true JPH0468690B2 (enrdf_load_stackoverflow) 1992-11-04

Family

ID=13392641

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6909384A Granted JPS60212835A (ja) 1984-04-09 1984-04-09 光学式情報記録再生装置

Country Status (1)

Country Link
JP (1) JPS60212835A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63157819U (enrdf_load_stackoverflow) * 1987-03-31 1988-10-17
JPS6464141A (en) * 1987-09-04 1989-03-10 Sharp Kk Optical information processor
JPH07101519B2 (ja) * 1987-10-05 1995-11-01 松下電器産業株式会社 光ヘッド装置
JPH0194542A (ja) * 1987-10-05 1989-04-13 Matsushita Electric Ind Co Ltd 光ヘッド装置

Also Published As

Publication number Publication date
JPS60212835A (ja) 1985-10-25

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term