JPH0414417B2 - - Google Patents

Info

Publication number
JPH0414417B2
JPH0414417B2 JP13134584A JP13134584A JPH0414417B2 JP H0414417 B2 JPH0414417 B2 JP H0414417B2 JP 13134584 A JP13134584 A JP 13134584A JP 13134584 A JP13134584 A JP 13134584A JP H0414417 B2 JPH0414417 B2 JP H0414417B2
Authority
JP
Japan
Prior art keywords
signal
track
tracking
circuit
recording
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
JP13134584A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6111938A (ja
Inventor
Tomya Myazaki
Noboru Wakami
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 JP13134584A priority Critical patent/JPS6111938A/ja
Publication of JPS6111938A publication Critical patent/JPS6111938A/ja
Publication of JPH0414417B2 publication Critical patent/JPH0414417B2/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
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in only

Landscapes

  • Moving Of Head For Track Selection And Changing (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP13134584A 1984-06-26 1984-06-26 光学式記録再生装置 Granted JPS6111938A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13134584A JPS6111938A (ja) 1984-06-26 1984-06-26 光学式記録再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13134584A JPS6111938A (ja) 1984-06-26 1984-06-26 光学式記録再生装置

Publications (2)

Publication Number Publication Date
JPS6111938A JPS6111938A (ja) 1986-01-20
JPH0414417B2 true JPH0414417B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-03-12

Family

ID=15055764

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13134584A Granted JPS6111938A (ja) 1984-06-26 1984-06-26 光学式記録再生装置

Country Status (1)

Country Link
JP (1) JPS6111938A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPS6111938A (ja) 1986-01-20

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term