JPS6057544A - 光学式記録再生装置 - Google Patents

光学式記録再生装置

Info

Publication number
JPS6057544A
JPS6057544A JP16324783A JP16324783A JPS6057544A JP S6057544 A JPS6057544 A JP S6057544A JP 16324783 A JP16324783 A JP 16324783A JP 16324783 A JP16324783 A JP 16324783A JP S6057544 A JPS6057544 A JP S6057544A
Authority
JP
Japan
Prior art keywords
objective lens
information track
tracking
coarse movement
spot
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
JP16324783A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0452529B2 (enrdf_load_stackoverflow
Inventor
Yoshihiro Katase
片瀬　順弘
Masayuki Inoue
雅之 井上
Yoshio Miura
三浦　芳夫
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 JP16324783A priority Critical patent/JPS6057544A/ja
Publication of JPS6057544A publication Critical patent/JPS6057544A/ja
Publication of JPH0452529B2 publication Critical patent/JPH0452529B2/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

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP16324783A 1983-09-07 1983-09-07 光学式記録再生装置 Granted JPS6057544A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16324783A JPS6057544A (ja) 1983-09-07 1983-09-07 光学式記録再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16324783A JPS6057544A (ja) 1983-09-07 1983-09-07 光学式記録再生装置

Publications (2)

Publication Number Publication Date
JPS6057544A true JPS6057544A (ja) 1985-04-03
JPH0452529B2 JPH0452529B2 (enrdf_load_stackoverflow) 1992-08-24

Family

ID=15770150

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16324783A Granted JPS6057544A (ja) 1983-09-07 1983-09-07 光学式記録再生装置

Country Status (1)

Country Link
JP (1) JPS6057544A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6431507U (enrdf_load_stackoverflow) * 1987-08-14 1989-02-27
JPH01253832A (ja) * 1988-03-31 1989-10-11 Matsushita Electric Ind Co Ltd トラッキング制御装置
JPH01151419U (enrdf_load_stackoverflow) * 1988-04-01 1989-10-19
US5265080A (en) * 1991-06-17 1993-11-23 Sony Corporation Servo phase compensation selection system for an optical disc player

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6431507U (enrdf_load_stackoverflow) * 1987-08-14 1989-02-27
JPH01253832A (ja) * 1988-03-31 1989-10-11 Matsushita Electric Ind Co Ltd トラッキング制御装置
JPH01151419U (enrdf_load_stackoverflow) * 1988-04-01 1989-10-19
US5265080A (en) * 1991-06-17 1993-11-23 Sony Corporation Servo phase compensation selection system for an optical disc player

Also Published As

Publication number Publication date
JPH0452529B2 (enrdf_load_stackoverflow) 1992-08-24

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