JPS6015833A - トラツキング制御装置 - Google Patents

トラツキング制御装置

Info

Publication number
JPS6015833A
JPS6015833A JP12237883A JP12237883A JPS6015833A JP S6015833 A JPS6015833 A JP S6015833A JP 12237883 A JP12237883 A JP 12237883A JP 12237883 A JP12237883 A JP 12237883A JP S6015833 A JPS6015833 A JP S6015833A
Authority
JP
Japan
Prior art keywords
tracking
time difference
signal
beams
information track
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
JP12237883A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0547900B2 (enrdf_load_stackoverflow
Inventor
Shigeru Aoi
青井　茂
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP12237883A priority Critical patent/JPS6015833A/ja
Publication of JPS6015833A publication Critical patent/JPS6015833A/ja
Publication of JPH0547900B2 publication Critical patent/JPH0547900B2/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
    • G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0953—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for eccentricity of the disc or disc tracks

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP12237883A 1983-07-07 1983-07-07 トラツキング制御装置 Granted JPS6015833A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12237883A JPS6015833A (ja) 1983-07-07 1983-07-07 トラツキング制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12237883A JPS6015833A (ja) 1983-07-07 1983-07-07 トラツキング制御装置

Publications (2)

Publication Number Publication Date
JPS6015833A true JPS6015833A (ja) 1985-01-26
JPH0547900B2 JPH0547900B2 (enrdf_load_stackoverflow) 1993-07-20

Family

ID=14834348

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12237883A Granted JPS6015833A (ja) 1983-07-07 1983-07-07 トラツキング制御装置

Country Status (1)

Country Link
JP (1) JPS6015833A (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5555445A (en) * 1978-10-18 1980-04-23 Olympus Optical Co Ltd Optical recording information reproducing device
JPS58121138A (ja) * 1982-01-11 1983-07-19 Olympus Optical Co Ltd 光学的情報記録再生装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5555445A (en) * 1978-10-18 1980-04-23 Olympus Optical Co Ltd Optical recording information reproducing device
JPS58121138A (ja) * 1982-01-11 1983-07-19 Olympus Optical Co Ltd 光学的情報記録再生装置

Also Published As

Publication number Publication date
JPH0547900B2 (enrdf_load_stackoverflow) 1993-07-20

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