JPS5744238A - Information recorder - Google Patents

Information recorder

Info

Publication number
JPS5744238A
JPS5744238A JP10830281A JP10830281A JPS5744238A JP S5744238 A JPS5744238 A JP S5744238A JP 10830281 A JP10830281 A JP 10830281A JP 10830281 A JP10830281 A JP 10830281A JP S5744238 A JPS5744238 A JP S5744238A
Authority
JP
Japan
Prior art keywords
signal
tracking
supplied
track
source
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
JP10830281A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6362808B2 (enrdf_load_stackoverflow
Inventor
Akimichi Terada
Seiichi Mita
Masaru Matsumura
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10830281A priority Critical patent/JPS5744238A/ja
Publication of JPS5744238A publication Critical patent/JPS5744238A/ja
Publication of JPS6362808B2 publication Critical patent/JPS6362808B2/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

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP10830281A 1981-07-13 1981-07-13 Information recorder Granted JPS5744238A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10830281A JPS5744238A (en) 1981-07-13 1981-07-13 Information recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10830281A JPS5744238A (en) 1981-07-13 1981-07-13 Information recorder

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP48101204A Division JPS5912070B2 (ja) 1973-09-10 1973-09-10 情報記録再生方式

Publications (2)

Publication Number Publication Date
JPS5744238A true JPS5744238A (en) 1982-03-12
JPS6362808B2 JPS6362808B2 (enrdf_load_stackoverflow) 1988-12-05

Family

ID=14481240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10830281A Granted JPS5744238A (en) 1981-07-13 1981-07-13 Information recorder

Country Status (1)

Country Link
JP (1) JPS5744238A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6362808B2 (enrdf_load_stackoverflow) 1988-12-05

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