JPS5727445A - Optical reproducer - Google Patents

Optical reproducer

Info

Publication number
JPS5727445A
JPS5727445A JP10281880A JP10281880A JPS5727445A JP S5727445 A JPS5727445 A JP S5727445A JP 10281880 A JP10281880 A JP 10281880A JP 10281880 A JP10281880 A JP 10281880A JP S5727445 A JPS5727445 A JP S5727445A
Authority
JP
Japan
Prior art keywords
signal
envelope curve
wobbling
excepting
driving circuit
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
JP10281880A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0226298B2 (enrdf_load_stackoverflow
Inventor
Yoshihiro Uchiumi
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.)
Teac Corp
Original Assignee
Teac 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 Teac Corp filed Critical Teac Corp
Priority to JP10281880A priority Critical patent/JPS5727445A/ja
Publication of JPS5727445A publication Critical patent/JPS5727445A/ja
Publication of JPH0226298B2 publication Critical patent/JPH0226298B2/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

  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP10281880A 1980-07-26 1980-07-26 Optical reproducer Granted JPS5727445A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10281880A JPS5727445A (en) 1980-07-26 1980-07-26 Optical reproducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10281880A JPS5727445A (en) 1980-07-26 1980-07-26 Optical reproducer

Publications (2)

Publication Number Publication Date
JPS5727445A true JPS5727445A (en) 1982-02-13
JPH0226298B2 JPH0226298B2 (enrdf_load_stackoverflow) 1990-06-08

Family

ID=14337603

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10281880A Granted JPS5727445A (en) 1980-07-26 1980-07-26 Optical reproducer

Country Status (1)

Country Link
JP (1) JPS5727445A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0226298B2 (enrdf_load_stackoverflow) 1990-06-08

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