JPS59160833A - 投影レンズ駆動装置 - Google Patents

投影レンズ駆動装置

Info

Publication number
JPS59160833A
JPS59160833A JP24328983A JP24328983A JPS59160833A JP S59160833 A JPS59160833 A JP S59160833A JP 24328983 A JP24328983 A JP 24328983A JP 24328983 A JP24328983 A JP 24328983A JP S59160833 A JPS59160833 A JP S59160833A
Authority
JP
Japan
Prior art keywords
lens
projection lens
optical axis
coil
information
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
JP24328983A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6255218B2 (enrdf_load_stackoverflow
Inventor
Takayuki Aihara
孝行 相原
Kiyoshi Hori
堀　潔
Hajime Morokuma
肇 諸隈
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 Corp
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=17101627&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPS59160833(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Olympus Corp, Olympus Optical Co Ltd filed Critical Olympus Corp
Priority to JP24328983A priority Critical patent/JPS59160833A/ja
Publication of JPS59160833A publication Critical patent/JPS59160833A/ja
Publication of JPS6255218B2 publication Critical patent/JPS6255218B2/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
    • G11B7/0927—Electromechanical actuators for lens positioning for focusing only

Landscapes

  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
JP24328983A 1983-12-23 1983-12-23 投影レンズ駆動装置 Granted JPS59160833A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24328983A JPS59160833A (ja) 1983-12-23 1983-12-23 投影レンズ駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24328983A JPS59160833A (ja) 1983-12-23 1983-12-23 投影レンズ駆動装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP50130528A Division JPS5811692B2 (ja) 1975-10-08 1975-10-31 ジヨウホウヨミトリソウチニオケル ジヨウホウケンシユツヘツド

Publications (2)

Publication Number Publication Date
JPS59160833A true JPS59160833A (ja) 1984-09-11
JPS6255218B2 JPS6255218B2 (enrdf_load_stackoverflow) 1987-11-18

Family

ID=17101627

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24328983A Granted JPS59160833A (ja) 1983-12-23 1983-12-23 投影レンズ駆動装置

Country Status (1)

Country Link
JP (1) JPS59160833A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09115159A (ja) * 1996-11-05 1997-05-02 Olympus Optical Co Ltd 光学系支持装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4965845A (enrdf_load_stackoverflow) * 1972-08-26 1974-06-26
JPS5255424A (en) * 1975-10-31 1977-05-06 Olympus Optical Co Ltd Information detection head of inforamation reader

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4965845A (enrdf_load_stackoverflow) * 1972-08-26 1974-06-26
JPS5255424A (en) * 1975-10-31 1977-05-06 Olympus Optical Co Ltd Information detection head of inforamation reader

Also Published As

Publication number Publication date
JPS6255218B2 (enrdf_load_stackoverflow) 1987-11-18

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