JPH0473221B2 - - Google Patents

Info

Publication number
JPH0473221B2
JPH0473221B2 JP59142601A JP14260184A JPH0473221B2 JP H0473221 B2 JPH0473221 B2 JP H0473221B2 JP 59142601 A JP59142601 A JP 59142601A JP 14260184 A JP14260184 A JP 14260184A JP H0473221 B2 JPH0473221 B2 JP H0473221B2
Authority
JP
Japan
Prior art keywords
output
error signal
circuit
switch
tracking
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
JP59142601A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6122444A (ja
Inventor
Akihiko Enomoto
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 JP14260184A priority Critical patent/JPS6122444A/ja
Publication of JPS6122444A publication Critical patent/JPS6122444A/ja
Publication of JPH0473221B2 publication Critical patent/JPH0473221B2/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

  • Moving Of The Head To Find And Align With The Track (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP14260184A 1984-07-10 1984-07-10 光学式デイスク再生装置 Granted JPS6122444A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14260184A JPS6122444A (ja) 1984-07-10 1984-07-10 光学式デイスク再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14260184A JPS6122444A (ja) 1984-07-10 1984-07-10 光学式デイスク再生装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP5254356A Division JP2635918B2 (ja) 1993-10-12 1993-10-12 光学式ディスク再生装置

Publications (2)

Publication Number Publication Date
JPS6122444A JPS6122444A (ja) 1986-01-31
JPH0473221B2 true JPH0473221B2 (enrdf_load_stackoverflow) 1992-11-20

Family

ID=15319101

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14260184A Granted JPS6122444A (ja) 1984-07-10 1984-07-10 光学式デイスク再生装置

Country Status (1)

Country Link
JP (1) JPS6122444A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5711813A (en) * 1980-06-23 1982-01-21 Matsushita Electric Ind Co Ltd Preparation of carbide film resistor
JPS5710908A (en) * 1980-06-23 1982-01-20 Matsushita Electric Ind Co Ltd Method of producing film carbide resistor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7813460L (sv) * 1978-03-27 1979-09-28 Mca Disco Vision Videoskivspelare
JPS5637866A (en) * 1979-09-03 1981-04-11 Hitachi Ltd Disk player
JPS5971165A (ja) * 1982-10-15 1984-04-21 Pioneer Electronic Corp 記録デイスクの回転制御方式

Also Published As

Publication number Publication date
JPS6122444A (ja) 1986-01-31

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