JPH0419551B2 - - Google Patents

Info

Publication number
JPH0419551B2
JPH0419551B2 JP57001350A JP135082A JPH0419551B2 JP H0419551 B2 JPH0419551 B2 JP H0419551B2 JP 57001350 A JP57001350 A JP 57001350A JP 135082 A JP135082 A JP 135082A JP H0419551 B2 JPH0419551 B2 JP H0419551B2
Authority
JP
Japan
Prior art keywords
laser beam
spot
recording
beam spot
size
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
JP57001350A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58121145A (ja
Inventor
Akira Shimada
Masayasu Anzai
Kyohiko Tanno
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP57001350A priority Critical patent/JPS58121145A/ja
Publication of JPS58121145A publication Critical patent/JPS58121145A/ja
Publication of JPH0419551B2 publication Critical patent/JPH0419551B2/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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0025—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cylinders or cylinder-like carriers or cylindrical sections or flat carriers loaded onto a cylindrical surface, e.g. truncated cones

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Laser Beam Printer (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Editing Of Facsimile Originals (AREA)
JP57001350A 1982-01-09 1982-01-09 レ−ザビ−ム記録装置 Granted JPS58121145A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57001350A JPS58121145A (ja) 1982-01-09 1982-01-09 レ−ザビ−ム記録装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57001350A JPS58121145A (ja) 1982-01-09 1982-01-09 レ−ザビ−ム記録装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2411602A Division JPH0750911B2 (ja) 1990-12-19 1990-12-19 レーザビーム記録装置

Publications (2)

Publication Number Publication Date
JPS58121145A JPS58121145A (ja) 1983-07-19
JPH0419551B2 true JPH0419551B2 (enExample) 1992-03-30

Family

ID=11499035

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57001350A Granted JPS58121145A (ja) 1982-01-09 1982-01-09 レ−ザビ−ム記録装置

Country Status (1)

Country Link
JP (1) JPS58121145A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6031167A (ja) * 1983-08-01 1985-02-16 Canon Inc 画像記録方法
JPS60154267A (ja) * 1984-01-24 1985-08-13 Ricoh Co Ltd 画像記録方法
JPH07119122B2 (ja) * 1990-03-09 1995-12-20 富士ゼロックス株式会社 レーザビームプリンタ
FR2929439B1 (fr) 2008-03-28 2013-11-08 Commissariat Energie Atomique Procede de stockage d'images et support de stockage correspondant.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52119331A (en) * 1976-03-31 1977-10-06 Canon Inc Laser recording device
JPS52119938A (en) * 1976-04-01 1977-10-07 Canon Inc Unit for image multiplication change
JPS54162554A (en) * 1978-06-13 1979-12-24 Ricoh Co Ltd Recording method

Also Published As

Publication number Publication date
JPS58121145A (ja) 1983-07-19

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