JPH0454295B2 - - Google Patents

Info

Publication number
JPH0454295B2
JPH0454295B2 JP58026505A JP2650583A JPH0454295B2 JP H0454295 B2 JPH0454295 B2 JP H0454295B2 JP 58026505 A JP58026505 A JP 58026505A JP 2650583 A JP2650583 A JP 2650583A JP H0454295 B2 JPH0454295 B2 JP H0454295B2
Authority
JP
Japan
Prior art keywords
light
recording medium
photodetector
recording
split
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
JP58026505A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59152531A (ja
Inventor
Tooru Nakamura
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 JP58026505A priority Critical patent/JPS59152531A/ja
Publication of JPS59152531A publication Critical patent/JPS59152531A/ja
Publication of JPH0454295B2 publication Critical patent/JPH0454295B2/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

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP58026505A 1983-02-18 1983-02-18 光学式記録再生装置 Granted JPS59152531A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58026505A JPS59152531A (ja) 1983-02-18 1983-02-18 光学式記録再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58026505A JPS59152531A (ja) 1983-02-18 1983-02-18 光学式記録再生装置

Publications (2)

Publication Number Publication Date
JPS59152531A JPS59152531A (ja) 1984-08-31
JPH0454295B2 true JPH0454295B2 (enrdf_load_stackoverflow) 1992-08-31

Family

ID=12195337

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58026505A Granted JPS59152531A (ja) 1983-02-18 1983-02-18 光学式記録再生装置

Country Status (1)

Country Link
JP (1) JPS59152531A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS59152531A (ja) 1984-08-31

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