JPH0359508B2 - - Google Patents

Info

Publication number
JPH0359508B2
JPH0359508B2 JP55130812A JP13081280A JPH0359508B2 JP H0359508 B2 JPH0359508 B2 JP H0359508B2 JP 55130812 A JP55130812 A JP 55130812A JP 13081280 A JP13081280 A JP 13081280A JP H0359508 B2 JPH0359508 B2 JP H0359508B2
Authority
JP
Japan
Prior art keywords
track
light beam
signal
recording medium
moving
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
JP55130812A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5755568A (en
Inventor
Mitsuro Morya
Masahiro Deguchi
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 JP13081280A priority Critical patent/JPS5755568A/ja
Publication of JPS5755568A publication Critical patent/JPS5755568A/ja
Publication of JPH0359508B2 publication Critical patent/JPH0359508B2/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

Landscapes

  • Moving Of Head For Track Selection And Changing (AREA)
JP13081280A 1980-09-22 1980-09-22 Recording and reproducing device Granted JPS5755568A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13081280A JPS5755568A (en) 1980-09-22 1980-09-22 Recording and reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13081280A JPS5755568A (en) 1980-09-22 1980-09-22 Recording and reproducing device

Publications (2)

Publication Number Publication Date
JPS5755568A JPS5755568A (en) 1982-04-02
JPH0359508B2 true JPH0359508B2 (en, 2012) 1991-09-10

Family

ID=15043280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13081280A Granted JPS5755568A (en) 1980-09-22 1980-09-22 Recording and reproducing device

Country Status (1)

Country Link
JP (1) JPS5755568A (en, 2012)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59107462A (ja) * 1982-12-09 1984-06-21 Mitsubishi Electric Corp 記憶装置
JPS59107463A (ja) * 1982-12-09 1984-06-21 Mitsubishi Electric Corp 記憶装置
JPS59231777A (ja) * 1983-06-13 1984-12-26 Matsushita Electric Ind Co Ltd トラツク間検出装置
JPH0766636B2 (ja) * 1983-12-02 1995-07-19 松下電器産業株式会社 情報トラツクの検索装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096534A (en) * 1977-04-12 1978-06-20 International Business Machines Corporation Track accessing circuitry for a disk file with switchable filter
JPS573267A (en) * 1980-06-09 1982-01-08 Nec Corp Position signal reproduction system of positioning controller for magnetic head

Also Published As

Publication number Publication date
JPS5755568A (en) 1982-04-02

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