JPS6231428B2 - - Google Patents

Info

Publication number
JPS6231428B2
JPS6231428B2 JP55027239A JP2723980A JPS6231428B2 JP S6231428 B2 JPS6231428 B2 JP S6231428B2 JP 55027239 A JP55027239 A JP 55027239A JP 2723980 A JP2723980 A JP 2723980A JP S6231428 B2 JPS6231428 B2 JP S6231428B2
Authority
JP
Japan
Prior art keywords
track
jumping
circuit
signal
light beam
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
JP55027239A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56124168A (en
Inventor
Masahiro Deguchi
Mitsuro Morya
Noboru Wakami
Yasuhiro Goto
Kazuharu Shiragami
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 JP2723980A priority Critical patent/JPS56124168A/ja
Publication of JPS56124168A publication Critical patent/JPS56124168A/ja
Publication of JPS6231428B2 publication Critical patent/JPS6231428B2/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)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP2723980A 1980-03-04 1980-03-04 Device for reproducing information Granted JPS56124168A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2723980A JPS56124168A (en) 1980-03-04 1980-03-04 Device for reproducing information

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2723980A JPS56124168A (en) 1980-03-04 1980-03-04 Device for reproducing information

Publications (2)

Publication Number Publication Date
JPS56124168A JPS56124168A (en) 1981-09-29
JPS6231428B2 true JPS6231428B2 (sv) 1987-07-08

Family

ID=12215516

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2723980A Granted JPS56124168A (en) 1980-03-04 1980-03-04 Device for reproducing information

Country Status (1)

Country Link
JP (1) JPS56124168A (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0229584Y2 (sv) * 1981-04-08 1990-08-08
JPS5936069U (ja) * 1982-08-30 1984-03-06 三菱電機株式会社 Ｐｃｍデイスク再生装置
JPS60624A (ja) * 1983-06-15 1985-01-05 Hitachi Ltd トラッキングサ−ボ引き込み装置
JPS62195733A (ja) * 1986-02-05 1987-08-28 Nippon Columbia Co Ltd トラツク検出回路
JPS6489086A (en) * 1987-09-30 1989-04-03 Canon Kk Information recording and reproducing device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5492155A (en) * 1977-12-29 1979-07-21 Matsushita Electric Ind Co Ltd Retrieval device
JPS5498517A (en) * 1978-01-20 1979-08-03 Victor Co Of Japan Ltd Reproducer for information signal

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5928540Y2 (ja) * 1977-05-24 1984-08-17 日本ビクター株式会社 情報記録媒体再生装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5492155A (en) * 1977-12-29 1979-07-21 Matsushita Electric Ind Co Ltd Retrieval device
JPS5498517A (en) * 1978-01-20 1979-08-03 Victor Co Of Japan Ltd Reproducer for information signal

Also Published As

Publication number Publication date
JPS56124168A (en) 1981-09-29

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