JPS59207440A - トラック検索装置 - Google Patents

トラック検索装置

Info

Publication number
JPS59207440A
JPS59207440A JP8321083A JP8321083A JPS59207440A JP S59207440 A JPS59207440 A JP S59207440A JP 8321083 A JP8321083 A JP 8321083A JP 8321083 A JP8321083 A JP 8321083A JP S59207440 A JPS59207440 A JP S59207440A
Authority
JP
Japan
Prior art keywords
signal
data string
track
interpolation
cross signal
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.)
Granted
Application number
JP8321083A
Other languages
English (en)
Japanese (ja)
Other versions
JPH041928B2 (enExample
Inventor
Ken Oshima
大島　建
Masaharu Sakamoto
坂本　正治
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.)
Olympus Corp
Original Assignee
Olympus Corp
Olympus Optical 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 Olympus Corp, Olympus Optical Co Ltd filed Critical Olympus Corp
Priority to JP8321083A priority Critical patent/JPS59207440A/ja
Publication of JPS59207440A publication Critical patent/JPS59207440A/ja
Publication of JPH041928B2 publication Critical patent/JPH041928B2/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 The Head For Recording And Reproducing By Optical Means (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
JP8321083A 1983-05-12 1983-05-12 トラック検索装置 Granted JPS59207440A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8321083A JPS59207440A (ja) 1983-05-12 1983-05-12 トラック検索装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8321083A JPS59207440A (ja) 1983-05-12 1983-05-12 トラック検索装置

Publications (2)

Publication Number Publication Date
JPS59207440A true JPS59207440A (ja) 1984-11-24
JPH041928B2 JPH041928B2 (enExample) 1992-01-14

Family

ID=13795958

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8321083A Granted JPS59207440A (ja) 1983-05-12 1983-05-12 トラック検索装置

Country Status (1)

Country Link
JP (1) JPS59207440A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02183421A (ja) * 1989-01-10 1990-07-18 Sharp Corp 光ディスクのトラックカウンタ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02183421A (ja) * 1989-01-10 1990-07-18 Sharp Corp 光ディスクのトラックカウンタ

Also Published As

Publication number Publication date
JPH041928B2 (enExample) 1992-01-14

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