JPH0447900B2 - - Google Patents

Info

Publication number
JPH0447900B2
JPH0447900B2 JP60185021A JP18502185A JPH0447900B2 JP H0447900 B2 JPH0447900 B2 JP H0447900B2 JP 60185021 A JP60185021 A JP 60185021A JP 18502185 A JP18502185 A JP 18502185A JP H0447900 B2 JPH0447900 B2 JP H0447900B2
Authority
JP
Japan
Prior art keywords
coil
lens
medium surface
axis direction
force
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 - Lifetime
Application number
JP60185021A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6182338A (ja
Inventor
Shunpei Tanaka
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.)
Olympus Corp
Original Assignee
Olympus Optical 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=16163386&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPH0447900(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP18502185A priority Critical patent/JPS6182338A/ja
Publication of JPS6182338A publication Critical patent/JPS6182338A/ja
Publication of JPH0447900B2 publication Critical patent/JPH0447900B2/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
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0932—Details of sprung supports

Landscapes

  • Mechanical Optical Scanning Systems (AREA)
  • Optical Recording Or Reproduction (AREA)
JP18502185A 1985-08-24 1985-08-24 ピツクアツプ装置 Granted JPS6182338A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18502185A JPS6182338A (ja) 1985-08-24 1985-08-24 ピツクアツプ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18502185A JPS6182338A (ja) 1985-08-24 1985-08-24 ピツクアツプ装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2678A Division JPS5494007A (en) 1978-01-05 1978-01-05 Pickup for disc recorder recorded optically with information

Publications (2)

Publication Number Publication Date
JPS6182338A JPS6182338A (ja) 1986-04-25
JPH0447900B2 true JPH0447900B2 (un) 1992-08-05

Family

ID=16163386

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18502185A Granted JPS6182338A (ja) 1985-08-24 1985-08-24 ピツクアツプ装置

Country Status (1)

Country Link
JP (1) JPS6182338A (un)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2537397B2 (ja) * 1989-03-30 1996-09-25 旭光学工業株式会社 光学式ピックアップ装置
AT392550B (de) * 1989-07-26 1991-04-25 Philips Nv Spulenanordnung fuer einen optischen abtaster und verwendung einer solchen spulenanordnung in einem optischen abtaster

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51114102A (en) * 1975-04-01 1976-10-07 Victor Co Of Japan Ltd Signal reading and control device for disc player
JPS5255423A (en) * 1975-10-31 1977-05-06 Olympus Optical Co Ltd Information detection head of information reader
JPS52138903A (en) * 1976-05-12 1977-11-19 Philips Nv Optical scanner

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5138326Y2 (un) * 1972-06-30 1976-09-20

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51114102A (en) * 1975-04-01 1976-10-07 Victor Co Of Japan Ltd Signal reading and control device for disc player
JPS5255423A (en) * 1975-10-31 1977-05-06 Olympus Optical Co Ltd Information detection head of information reader
JPS52138903A (en) * 1976-05-12 1977-11-19 Philips Nv Optical scanner

Also Published As

Publication number Publication date
JPS6182338A (ja) 1986-04-25

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