JPH0145155B2 - - Google Patents

Info

Publication number
JPH0145155B2
JPH0145155B2 JP5631683A JP5631683A JPH0145155B2 JP H0145155 B2 JPH0145155 B2 JP H0145155B2 JP 5631683 A JP5631683 A JP 5631683A JP 5631683 A JP5631683 A JP 5631683A JP H0145155 B2 JPH0145155 B2 JP H0145155B2
Authority
JP
Japan
Prior art keywords
data
frequency
irradiation position
movement speed
phase
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
JP5631683A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59180858A (ja
Inventor
Harutake Yasuda
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.)
Nippon Columbia Co Ltd
Original Assignee
Nippon Columbia 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 Nippon Columbia Co Ltd filed Critical Nippon Columbia Co Ltd
Priority to JP5631683A priority Critical patent/JPS59180858A/ja
Publication of JPS59180858A publication Critical patent/JPS59180858A/ja
Publication of JPH0145155B2 publication Critical patent/JPH0145155B2/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

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP5631683A 1983-03-31 1983-03-31 円盤型記録装置の記録ビ−ムの照射位置制御回路 Granted JPS59180858A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5631683A JPS59180858A (ja) 1983-03-31 1983-03-31 円盤型記録装置の記録ビ−ムの照射位置制御回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5631683A JPS59180858A (ja) 1983-03-31 1983-03-31 円盤型記録装置の記録ビ−ムの照射位置制御回路

Publications (2)

Publication Number Publication Date
JPS59180858A JPS59180858A (ja) 1984-10-15
JPH0145155B2 true JPH0145155B2 (de) 1989-10-02

Family

ID=13023747

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5631683A Granted JPS59180858A (ja) 1983-03-31 1983-03-31 円盤型記録装置の記録ビ−ムの照射位置制御回路

Country Status (1)

Country Link
JP (1) JPS59180858A (de)

Also Published As

Publication number Publication date
JPS59180858A (ja) 1984-10-15

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