JPS5466104A - Light spot position controller - Google Patents

Light spot position controller

Info

Publication number
JPS5466104A
JPS5466104A JP13251377A JP13251377A JPS5466104A JP S5466104 A JPS5466104 A JP S5466104A JP 13251377 A JP13251377 A JP 13251377A JP 13251377 A JP13251377 A JP 13251377A JP S5466104 A JPS5466104 A JP S5466104A
Authority
JP
Japan
Prior art keywords
circuit
assignment
address
light spot
difference
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
JP13251377A
Other languages
English (en)
Japanese (ja)
Other versions
JPS628847B2 (enrdf_load_stackoverflow
Inventor
Moriji Izumida
Masatoshi Otake
Takeshi Maeda
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP13251377A priority Critical patent/JPS5466104A/ja
Publication of JPS5466104A publication Critical patent/JPS5466104A/ja
Publication of JPS628847B2 publication Critical patent/JPS628847B2/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 For Recording And Reproducing By Optical Means (AREA)
JP13251377A 1977-11-07 1977-11-07 Light spot position controller Granted JPS5466104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13251377A JPS5466104A (en) 1977-11-07 1977-11-07 Light spot position controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13251377A JPS5466104A (en) 1977-11-07 1977-11-07 Light spot position controller

Publications (2)

Publication Number Publication Date
JPS5466104A true JPS5466104A (en) 1979-05-28
JPS628847B2 JPS628847B2 (enrdf_load_stackoverflow) 1987-02-25

Family

ID=15083086

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13251377A Granted JPS5466104A (en) 1977-11-07 1977-11-07 Light spot position controller

Country Status (1)

Country Link
JP (1) JPS5466104A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5661075A (en) * 1979-08-22 1981-05-26 Discovision Ass Recording disk
JPS5737743A (en) * 1980-08-20 1982-03-02 Teac Co Retrieving method of disk device
JPS5755541A (en) * 1980-09-19 1982-04-02 Matsushita Electric Ind Co Ltd Optical reader
JPS58199469A (ja) * 1982-05-14 1983-11-19 Matsushita Electric Ind Co Ltd 円盤状記録媒体を使用した記録再生装置
JPS5911547A (ja) * 1982-07-12 1984-01-21 Matsushita Electric Ind Co Ltd 光学的情報記録再生装置
JPH0527818U (ja) * 1991-04-23 1993-04-09 船井電機株式会社 光デイスクのトラツクサーチ制御装置
JP2010009661A (ja) * 2008-06-25 2010-01-14 Sony Corp ドライブ装置、トラックジャンプ方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH068081U (ja) * 1992-07-13 1994-02-01 アラコ株式会社 車両用セパレータ

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5661075A (en) * 1979-08-22 1981-05-26 Discovision Ass Recording disk
JPS5737743A (en) * 1980-08-20 1982-03-02 Teac Co Retrieving method of disk device
JPS5755541A (en) * 1980-09-19 1982-04-02 Matsushita Electric Ind Co Ltd Optical reader
JPS58199469A (ja) * 1982-05-14 1983-11-19 Matsushita Electric Ind Co Ltd 円盤状記録媒体を使用した記録再生装置
JPS5911547A (ja) * 1982-07-12 1984-01-21 Matsushita Electric Ind Co Ltd 光学的情報記録再生装置
JPH0527818U (ja) * 1991-04-23 1993-04-09 船井電機株式会社 光デイスクのトラツクサーチ制御装置
JP2010009661A (ja) * 2008-06-25 2010-01-14 Sony Corp ドライブ装置、トラックジャンプ方法

Also Published As

Publication number Publication date
JPS628847B2 (enrdf_load_stackoverflow) 1987-02-25

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