JPS5771533A - Optical scanner - Google Patents

Optical scanner

Info

Publication number
JPS5771533A
JPS5771533A JP14881080A JP14881080A JPS5771533A JP S5771533 A JPS5771533 A JP S5771533A JP 14881080 A JP14881080 A JP 14881080A JP 14881080 A JP14881080 A JP 14881080A JP S5771533 A JPS5771533 A JP S5771533A
Authority
JP
Japan
Prior art keywords
arm
iron core
supported
scanner
compact
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
JP14881080A
Other languages
English (en)
Other versions
JPS647406B2 (ja
Inventor
Shoji Oba
Ryoichi Imanaka
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 JP14881080A priority Critical patent/JPS5771533A/ja
Publication of JPS5771533A publication Critical patent/JPS5771533A/ja
Publication of JPS647406B2 publication Critical patent/JPS647406B2/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
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • G11B7/08576—Swinging-arm positioners

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP14881080A 1980-10-22 1980-10-22 Optical scanner Granted JPS5771533A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14881080A JPS5771533A (en) 1980-10-22 1980-10-22 Optical scanner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14881080A JPS5771533A (en) 1980-10-22 1980-10-22 Optical scanner

Publications (2)

Publication Number Publication Date
JPS5771533A true JPS5771533A (en) 1982-05-04
JPS647406B2 JPS647406B2 (ja) 1989-02-08

Family

ID=15461211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14881080A Granted JPS5771533A (en) 1980-10-22 1980-10-22 Optical scanner

Country Status (1)

Country Link
JP (1) JPS5771533A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6047128U (ja) * 1983-09-08 1985-04-03 三洋電機株式会社 対物レンズ駆動装置
FR2556121A1 (fr) * 1983-12-01 1985-06-07 Philips Nv Dispositif electro-optique pour le reglage electrodynamique de la position d'un spot de rayonnement
EP0212941A2 (en) * 1985-08-16 1987-03-04 Sony Corporation Optical pick-up devices

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6047128U (ja) * 1983-09-08 1985-04-03 三洋電機株式会社 対物レンズ駆動装置
JPH0452811Y2 (ja) * 1983-09-08 1992-12-11
FR2556121A1 (fr) * 1983-12-01 1985-06-07 Philips Nv Dispositif electro-optique pour le reglage electrodynamique de la position d'un spot de rayonnement
EP0212941A2 (en) * 1985-08-16 1987-03-04 Sony Corporation Optical pick-up devices

Also Published As

Publication number Publication date
JPS647406B2 (ja) 1989-02-08

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