JPH0150973B2 - - Google Patents

Info

Publication number
JPH0150973B2
JPH0150973B2 JP58068626A JP6862683A JPH0150973B2 JP H0150973 B2 JPH0150973 B2 JP H0150973B2 JP 58068626 A JP58068626 A JP 58068626A JP 6862683 A JP6862683 A JP 6862683A JP H0150973 B2 JPH0150973 B2 JP H0150973B2
Authority
JP
Japan
Prior art keywords
head
lens
optical
optical head
radial direction
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
JP58068626A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59193553A (ja
Inventor
Hiroshi Inada
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.)
NEC Corp
Original Assignee
Nippon Electric 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP6862683A priority Critical patent/JPS59193553A/ja
Publication of JPS59193553A publication Critical patent/JPS59193553A/ja
Publication of JPH0150973B2 publication Critical patent/JPH0150973B2/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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • G11B21/083—Access to indexed tracks or parts of continuous track on discs

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP6862683A 1983-04-19 1983-04-19 光デイスクシステムにおけるトラツクアクセス装置 Granted JPS59193553A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6862683A JPS59193553A (ja) 1983-04-19 1983-04-19 光デイスクシステムにおけるトラツクアクセス装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6862683A JPS59193553A (ja) 1983-04-19 1983-04-19 光デイスクシステムにおけるトラツクアクセス装置

Publications (2)

Publication Number Publication Date
JPS59193553A JPS59193553A (ja) 1984-11-02
JPH0150973B2 true JPH0150973B2 (en, 2012) 1989-11-01

Family

ID=13379143

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6862683A Granted JPS59193553A (ja) 1983-04-19 1983-04-19 光デイスクシステムにおけるトラツクアクセス装置

Country Status (1)

Country Link
JP (1) JPS59193553A (en, 2012)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2349191A1 (fr) * 1976-04-23 1977-11-18 Thomson Brandt Lecteur optique de disque d'information comportant un dispositif d'acces automatique aux informations
NL7810386A (nl) * 1978-10-17 1980-04-21 Philips Nv Optische leesinrichting voor het uitlezen van een schijfvormige registratiedrager.
JPS586165B2 (ja) * 1979-09-11 1983-02-03 株式会社東芝 位置制御装置
JPH0766546B2 (ja) * 1980-12-05 1995-07-19 富士通株式会社 光デイスク装置
JPS57181482A (en) * 1981-05-01 1982-11-08 Toshiba Corp Disc device
JPS5826331A (ja) * 1981-08-11 1983-02-16 Nippon Telegr & Teleph Corp <Ntt> 光学ヘツド

Also Published As

Publication number Publication date
JPS59193553A (ja) 1984-11-02

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