JPS5841445A - 光学式情報再生装置 - Google Patents

光学式情報再生装置

Info

Publication number
JPS5841445A
JPS5841445A JP13822981A JP13822981A JPS5841445A JP S5841445 A JPS5841445 A JP S5841445A JP 13822981 A JP13822981 A JP 13822981A JP 13822981 A JP13822981 A JP 13822981A JP S5841445 A JPS5841445 A JP S5841445A
Authority
JP
Japan
Prior art keywords
track
information
optical information
pickup
coil
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
JP13822981A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0311008B2 (2
Inventor
Kenjiro Kime
健治朗 木目
Kuniaki Sakai
境　国昭
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP13822981A priority Critical patent/JPS5841445A/ja
Publication of JPS5841445A publication Critical patent/JPS5841445A/ja
Publication of JPH0311008B2 publication Critical patent/JPH0311008B2/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
    • G11B7/0901—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 for track following only

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP13822981A 1981-09-01 1981-09-01 光学式情報再生装置 Granted JPS5841445A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13822981A JPS5841445A (ja) 1981-09-01 1981-09-01 光学式情報再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13822981A JPS5841445A (ja) 1981-09-01 1981-09-01 光学式情報再生装置

Publications (2)

Publication Number Publication Date
JPS5841445A true JPS5841445A (ja) 1983-03-10
JPH0311008B2 JPH0311008B2 (2) 1991-02-15

Family

ID=15217100

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13822981A Granted JPS5841445A (ja) 1981-09-01 1981-09-01 光学式情報再生装置

Country Status (1)

Country Link
JP (1) JPS5841445A (2)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55117745A (en) * 1979-03-01 1980-09-10 Mitsubishi Electric Corp Disk reproducing device using optical stylus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55117745A (en) * 1979-03-01 1980-09-10 Mitsubishi Electric Corp Disk reproducing device using optical stylus

Also Published As

Publication number Publication date
JPH0311008B2 (2) 1991-02-15

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