JPS59193553A - 光デイスクシステムにおけるトラツクアクセス装置 - Google Patents

光デイスクシステムにおけるトラツクアクセス装置

Info

Publication number
JPS59193553A
JPS59193553A JP6862683A JP6862683A JPS59193553A JP S59193553 A JPS59193553 A JP S59193553A JP 6862683 A JP6862683 A JP 6862683A JP 6862683 A JP6862683 A JP 6862683A JP S59193553 A JPS59193553 A JP S59193553A
Authority
JP
Japan
Prior art keywords
head
lens
optical
signal
optical head
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
JP6862683A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0150973B2 (enrdf_load_stackoverflow
Inventor
Hiroshi Inada
稲田　博司
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
NEC Corp
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
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 true JPS59193553A (ja) 1984-11-02
JPH0150973B2 JPH0150973B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52152704A (en) * 1976-04-23 1977-12-19 Thomson Brandt Optical data disk reader
JPS5555443A (en) * 1978-10-17 1980-04-23 Philips Nv Optical reading unit
JPS5640912A (en) * 1979-09-11 1981-04-17 Toshiba Corp Position control unit
JPS5794940A (en) * 1980-12-05 1982-06-12 Fujitsu Ltd Optical disk device
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52152704A (en) * 1976-04-23 1977-12-19 Thomson Brandt Optical data disk reader
JPS5555443A (en) * 1978-10-17 1980-04-23 Philips Nv Optical reading unit
JPS5640912A (en) * 1979-09-11 1981-04-17 Toshiba Corp Position control unit
JPS5794940A (en) * 1980-12-05 1982-06-12 Fujitsu Ltd Optical disk device
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
JPH0150973B2 (enrdf_load_stackoverflow) 1989-11-01

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