JPH0310171B2 - - Google Patents

Info

Publication number
JPH0310171B2
JPH0310171B2 JP59186741A JP18674184A JPH0310171B2 JP H0310171 B2 JPH0310171 B2 JP H0310171B2 JP 59186741 A JP59186741 A JP 59186741A JP 18674184 A JP18674184 A JP 18674184A JP H0310171 B2 JPH0310171 B2 JP H0310171B2
Authority
JP
Japan
Prior art keywords
disk
laser light
rotation speed
turntable
linear velocity
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
JP59186741A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6166229A (ja
Inventor
Akira Misawa
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 JP59186741A priority Critical patent/JPS6166229A/ja
Publication of JPS6166229A publication Critical patent/JPS6166229A/ja
Publication of JPH0310171B2 publication Critical patent/JPH0310171B2/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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
JP59186741A 1984-09-06 1984-09-06 光学記録装置 Granted JPS6166229A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59186741A JPS6166229A (ja) 1984-09-06 1984-09-06 光学記録装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59186741A JPS6166229A (ja) 1984-09-06 1984-09-06 光学記録装置

Publications (2)

Publication Number Publication Date
JPS6166229A JPS6166229A (ja) 1986-04-05
JPH0310171B2 true JPH0310171B2 (nl) 1991-02-13

Family

ID=16193837

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59186741A Granted JPS6166229A (ja) 1984-09-06 1984-09-06 光学記録装置

Country Status (1)

Country Link
JP (1) JPS6166229A (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101356438B1 (ko) * 2006-09-15 2014-01-29 가부시키가이샤 시마세이키 세이사쿠쇼 편사의 탄성특성 측정방법 및 편성기

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60211641A (ja) * 1984-03-06 1985-10-24 オプテイカル　デイスク　コーポレイシヨン 信号処理方法と装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60211641A (ja) * 1984-03-06 1985-10-24 オプテイカル　デイスク　コーポレイシヨン 信号処理方法と装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101356438B1 (ko) * 2006-09-15 2014-01-29 가부시키가이샤 시마세이키 세이사쿠쇼 편사의 탄성특성 측정방법 및 편성기

Also Published As

Publication number Publication date
JPS6166229A (ja) 1986-04-05

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