JPH0230096B2 - - Google Patents

Info

Publication number
JPH0230096B2
JPH0230096B2 JP58098974A JP9897483A JPH0230096B2 JP H0230096 B2 JPH0230096 B2 JP H0230096B2 JP 58098974 A JP58098974 A JP 58098974A JP 9897483 A JP9897483 A JP 9897483A JP H0230096 B2 JPH0230096 B2 JP H0230096B2
Authority
JP
Japan
Prior art keywords
information
lens
permanent magnet
recording medium
lens holder
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
JP58098974A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5916151A (ja
Inventor
Takayuki Aihara
Kyoshi Hori
Hajime Morokuma
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
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP58098974A priority Critical patent/JPS5916151A/ja
Publication of JPS5916151A publication Critical patent/JPS5916151A/ja
Publication of JPH0230096B2 publication Critical patent/JPH0230096B2/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

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP58098974A 1983-06-03 1983-06-03 情報読取装置における情報検出ヘツド Granted JPS5916151A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58098974A JPS5916151A (ja) 1983-06-03 1983-06-03 情報読取装置における情報検出ヘツド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58098974A JPS5916151A (ja) 1983-06-03 1983-06-03 情報読取装置における情報検出ヘツド

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP50120765A Division JPS5946053B2 (ja) 1975-10-08 1975-10-08 情報読取装置における情報検出ヘツド

Publications (2)

Publication Number Publication Date
JPS5916151A JPS5916151A (ja) 1984-01-27
JPH0230096B2 true JPH0230096B2 (enrdf_load_stackoverflow) 1990-07-04

Family

ID=14234001

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58098974A Granted JPS5916151A (ja) 1983-06-03 1983-06-03 情報読取装置における情報検出ヘツド

Country Status (1)

Country Link
JP (1) JPS5916151A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5946053B2 (ja) * 1975-10-08 1984-11-10 オリンパス光学工業株式会社 情報読取装置における情報検出ヘツド

Also Published As

Publication number Publication date
JPS5916151A (ja) 1984-01-27

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