JPS60247837A - 光学デイスク記録装置 - Google Patents

光学デイスク記録装置

Info

Publication number
JPS60247837A
JPS60247837A JP59103808A JP10380884A JPS60247837A JP S60247837 A JPS60247837 A JP S60247837A JP 59103808 A JP59103808 A JP 59103808A JP 10380884 A JP10380884 A JP 10380884A JP S60247837 A JPS60247837 A JP S60247837A
Authority
JP
Japan
Prior art keywords
signal
disk
level
circuit
disc
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
JP59103808A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0583970B2 (enrdf_load_stackoverflow
Inventor
Mitsutoshi Magai
光俊 真貝
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP59103808A priority Critical patent/JPS60247837A/ja
Publication of JPS60247837A publication Critical patent/JPS60247837A/ja
Publication of JPH0583970B2 publication Critical patent/JPH0583970B2/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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Head (AREA)
JP59103808A 1984-05-23 1984-05-23 光学デイスク記録装置 Granted JPS60247837A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59103808A JPS60247837A (ja) 1984-05-23 1984-05-23 光学デイスク記録装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59103808A JPS60247837A (ja) 1984-05-23 1984-05-23 光学デイスク記録装置

Publications (2)

Publication Number Publication Date
JPS60247837A true JPS60247837A (ja) 1985-12-07
JPH0583970B2 JPH0583970B2 (enrdf_load_stackoverflow) 1993-11-30

Family

ID=14363695

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59103808A Granted JPS60247837A (ja) 1984-05-23 1984-05-23 光学デイスク記録装置

Country Status (1)

Country Link
JP (1) JPS60247837A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6479942A (en) * 1987-09-21 1989-03-24 Toshiba Corp Information processor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58189840A (ja) * 1982-04-30 1983-11-05 Hitachi Ltd 光学的情報処理装置
JPS58208973A (ja) * 1982-05-31 1983-12-05 Hitachi Ltd 信号再生装置のサ−ボ回路
JPS5965946A (ja) * 1982-10-06 1984-04-14 Hitachi Ltd ビデオデイスクプレ−ヤ
JPS5977639A (ja) * 1982-10-25 1984-05-04 Hitachi Ltd 光ディスク記録再生方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58189840A (ja) * 1982-04-30 1983-11-05 Hitachi Ltd 光学的情報処理装置
JPS58208973A (ja) * 1982-05-31 1983-12-05 Hitachi Ltd 信号再生装置のサ−ボ回路
JPS5965946A (ja) * 1982-10-06 1984-04-14 Hitachi Ltd ビデオデイスクプレ−ヤ
JPS5977639A (ja) * 1982-10-25 1984-05-04 Hitachi Ltd 光ディスク記録再生方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6479942A (en) * 1987-09-21 1989-03-24 Toshiba Corp Information processor

Also Published As

Publication number Publication date
JPH0583970B2 (enrdf_load_stackoverflow) 1993-11-30

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term