JPH058497B2 - - Google Patents

Info

Publication number
JPH058497B2
JPH058497B2 JP5171084A JP5171084A JPH058497B2 JP H058497 B2 JPH058497 B2 JP H058497B2 JP 5171084 A JP5171084 A JP 5171084A JP 5171084 A JP5171084 A JP 5171084A JP H058497 B2 JPH058497 B2 JP H058497B2
Authority
JP
Japan
Prior art keywords
output
laser
record carrier
motor
objective lens
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
JP5171084A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60195744A (ja
Inventor
Keiichiro Horai
Ryutaro Futakuchi
Akira Misawa
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 JP5171084A priority Critical patent/JPS60195744A/ja
Publication of JPS60195744A publication Critical patent/JPS60195744A/ja
Publication of JPH058497B2 publication Critical patent/JPH058497B2/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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/0857—Arrangements for mechanically moving the whole head

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Automatic Focus Adjustment (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP5171084A 1984-03-16 1984-03-16 光学的情報記録装置 Granted JPS60195744A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5171084A JPS60195744A (ja) 1984-03-16 1984-03-16 光学的情報記録装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5171084A JPS60195744A (ja) 1984-03-16 1984-03-16 光学的情報記録装置

Publications (2)

Publication Number Publication Date
JPS60195744A JPS60195744A (ja) 1985-10-04
JPH058497B2 true JPH058497B2 (enrdf_load_stackoverflow) 1993-02-02

Family

ID=12894447

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5171084A Granted JPS60195744A (ja) 1984-03-16 1984-03-16 光学的情報記録装置

Country Status (1)

Country Link
JP (1) JPS60195744A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS60195744A (ja) 1985-10-04

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term