JPH0550058B2 - - Google Patents

Info

Publication number
JPH0550058B2
JPH0550058B2 JP22923384A JP22923384A JPH0550058B2 JP H0550058 B2 JPH0550058 B2 JP H0550058B2 JP 22923384 A JP22923384 A JP 22923384A JP 22923384 A JP22923384 A JP 22923384A JP H0550058 B2 JPH0550058 B2 JP H0550058B2
Authority
JP
Japan
Prior art keywords
signal
gain
tracking
output
detection
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
JP22923384A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61107542A (ja
Inventor
Tadashi Kojima
Yasuhiro Hayashi
Satoru Maeda
Satoshi Tsujimura
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP22923384A priority Critical patent/JPS61107542A/ja
Publication of JPS61107542A publication Critical patent/JPS61107542A/ja
Publication of JPH0550058B2 publication Critical patent/JPH0550058B2/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
    • G11B7/0946—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 operation during external perturbations not related to the carrier or servo beam, e.g. vibration

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP22923384A 1984-10-31 1984-10-31 光学式デイスク再生装置 Granted JPS61107542A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22923384A JPS61107542A (ja) 1984-10-31 1984-10-31 光学式デイスク再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22923384A JPS61107542A (ja) 1984-10-31 1984-10-31 光学式デイスク再生装置

Publications (2)

Publication Number Publication Date
JPS61107542A JPS61107542A (ja) 1986-05-26
JPH0550058B2 true JPH0550058B2 (enrdf_load_html_response) 1993-07-28

Family

ID=16888913

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22923384A Granted JPS61107542A (ja) 1984-10-31 1984-10-31 光学式デイスク再生装置

Country Status (1)

Country Link
JP (1) JPS61107542A (enrdf_load_html_response)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0685223B2 (ja) * 1986-06-26 1994-10-26 松下電器産業株式会社 トラツク飛び検出装置
JP2695446B2 (ja) * 1988-08-31 1997-12-24 キヤノン株式会社 光学的情報記録再生装置
JPH0723076Y2 (ja) * 1992-05-18 1995-05-31 株式会社大同機械製作所 ホーマーの給油装置
WO2005096284A1 (ja) * 2004-03-31 2005-10-13 Pioneer Corporation 再生装置

Also Published As

Publication number Publication date
JPS61107542A (ja) 1986-05-26

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term