JPH057790B2 - - Google Patents

Info

Publication number
JPH057790B2
JPH057790B2 JP60120949A JP12094985A JPH057790B2 JP H057790 B2 JPH057790 B2 JP H057790B2 JP 60120949 A JP60120949 A JP 60120949A JP 12094985 A JP12094985 A JP 12094985A JP H057790 B2 JPH057790 B2 JP H057790B2
Authority
JP
Japan
Prior art keywords
track
circuit
jumping
scanning
signal
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
JP60120949A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6111946A (ja
Inventor
Mitsuro Morya
Masahiro Deguchi
Noboru Wakami
Yasuhiro Goto
Kazuharu Shiragami
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP12094985A priority Critical patent/JPS6111946A/ja
Publication of JPS6111946A publication Critical patent/JPS6111946A/ja
Publication of JPH057790B2 publication Critical patent/JPH057790B2/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
    • G11B7/0941—Methods and circuits for servo gain or phase compensation during operation

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
  • Optical Recording Or Reproduction (AREA)
JP12094985A 1985-06-04 1985-06-04 トラツキング誤差信号検出装置 Granted JPS6111946A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12094985A JPS6111946A (ja) 1985-06-04 1985-06-04 トラツキング誤差信号検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12094985A JPS6111946A (ja) 1985-06-04 1985-06-04 トラツキング誤差信号検出装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP10403878A Division JPS5532239A (en) 1978-08-25 1978-08-25 Reproducing device

Publications (2)

Publication Number Publication Date
JPS6111946A JPS6111946A (ja) 1986-01-20
JPH057790B2 true JPH057790B2 (enrdf_load_stackoverflow) 1993-01-29

Family

ID=14798958

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12094985A Granted JPS6111946A (ja) 1985-06-04 1985-06-04 トラツキング誤差信号検出装置

Country Status (1)

Country Link
JP (1) JPS6111946A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS518818A (enrdf_load_stackoverflow) * 1974-07-09 1976-01-24 Matsushita Electric Ind Co Ltd

Also Published As

Publication number Publication date
JPS6111946A (ja) 1986-01-20

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