JPS60212835A - 光学式情報記録再生装置 - Google Patents

光学式情報記録再生装置

Info

Publication number
JPS60212835A
JPS60212835A JP6909384A JP6909384A JPS60212835A JP S60212835 A JPS60212835 A JP S60212835A JP 6909384 A JP6909384 A JP 6909384A JP 6909384 A JP6909384 A JP 6909384A JP S60212835 A JPS60212835 A JP S60212835A
Authority
JP
Japan
Prior art keywords
information recording
optical information
photodetector
beam splitting
reproducing device
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
JP6909384A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0468690B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Mitsushige Kondo
近藤　光重
Nobumasa Egashira
江頭　信正
Shinsuke Shikama
信介 鹿間
Teruo Fujita
輝雄 藤田
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 true JPS60212835A (ja) 1985-10-25
JPH0468690B2 JPH0468690B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63157819U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1987-03-31 1988-10-17
JPS6464141A (en) * 1987-09-04 1989-03-10 Sharp Kk Optical information processor
JPH0194541A (ja) * 1987-10-05 1989-04-13 Matsushita Electric Ind Co Ltd 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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63157819U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1987-03-31 1988-10-17
JPS6464141A (en) * 1987-09-04 1989-03-10 Sharp Kk Optical information processor
JPH0194541A (ja) * 1987-10-05 1989-04-13 Matsushita Electric Ind Co Ltd 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
JPH0468690B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-11-04

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term