DE68916084D1 - Optische Informationsaufzeichnungsmethode. - Google Patents

Optische Informationsaufzeichnungsmethode.

Info

Publication number
DE68916084D1
DE68916084D1 DE68916084T DE68916084T DE68916084D1 DE 68916084 D1 DE68916084 D1 DE 68916084D1 DE 68916084 T DE68916084 T DE 68916084T DE 68916084 T DE68916084 T DE 68916084T DE 68916084 D1 DE68916084 D1 DE 68916084D1
Authority
DE
Germany
Prior art keywords
information recording
optical information
recording method
optical
recording
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
DE68916084T
Other languages
English (en)
Other versions
DE68916084T2 (de
Inventor
Kenichi Nishiuchi
Noboru Yamada
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
Priority claimed from JP63073610A external-priority patent/JP2625843B2/ja
Priority claimed from JP63080839A external-priority patent/JP2574379B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE68916084D1 publication Critical patent/DE68916084D1/de
Publication of DE68916084T2 publication Critical patent/DE68916084T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
    • 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
    • G11B7/0045—Recording
    • 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
    • G11B7/006—Overwriting

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
DE1989616084 1988-03-28 1989-02-14 Optische Informationsaufzeichnungsmethode. Expired - Lifetime DE68916084T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63073610A JP2625843B2 (ja) 1988-03-28 1988-03-28 光学情報記録方法
JP63080839A JP2574379B2 (ja) 1988-03-31 1988-03-31 光学的情報記録消去方法

Publications (2)

Publication Number Publication Date
DE68916084D1 true DE68916084D1 (de) 1994-07-21
DE68916084T2 DE68916084T2 (de) 1995-02-16

Family

ID=26414751

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1989616084 Expired - Lifetime DE68916084T2 (de) 1988-03-28 1989-02-14 Optische Informationsaufzeichnungsmethode.

Country Status (2)

Country Link
EP (1) EP0335486B1 (de)
DE (1) DE68916084T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5513167A (en) * 1989-12-20 1996-04-30 Sony Corporation Optical recording apparatus
DE69030656T2 (de) * 1989-12-20 1997-10-23 Sony Corp Optisches aufzeichnungsgerät
JP3259204B2 (ja) * 1992-10-21 2002-02-25 株式会社ニコン 光記録方法及び光記録のパルストレイン条件決定方法
EP0594425A3 (en) * 1992-10-21 1996-10-09 Nippon Kogaku Kk Pulse train condition/heat shut off condition determination method and apparatus for optical recording, and optical recording method and apparatus
JPH06267123A (ja) * 1992-10-28 1994-09-22 Nikon Corp 光磁気ディスクに熱遮断方式及びパルストレイン方式で オーバーライトする場合における記録条件決定方法、 同記録条件決定装置、光磁気記録方法及び光磁気記録 装置
US5297129A (en) * 1992-12-24 1994-03-22 Optical Disc Corporation Waveform shaping method and apparatus for optical recording
JPH08227543A (ja) * 1995-02-21 1996-09-03 Nikon Corp 情報消去装置及び情報記録装置
JPH0927154A (ja) * 1995-07-10 1997-01-28 Fujitsu Ltd 光磁気ディスク装置
US6028686A (en) * 1997-03-04 2000-02-22 Mirell; Stuart Gary Energy-depleted radiation apparatus and method
EP0916132A2 (de) * 1997-05-01 1999-05-19 Koninklijke Philips Electronics N.V. Verfahren und vorrichtung zum beschreiben optischer aufzeichnungsträger
US7525890B2 (en) 2001-09-29 2009-04-28 Samsung Electronics Co., Ltd. Method of and apparatus for recording data on optical recording medium
TWI251234B (en) * 2001-09-29 2006-03-11 Samsung Electronics Co Ltd Apparatus for recording data on optical recording medium

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR910001328B1 (ko) * 1985-10-08 1991-03-04 마쯔시다덴기산교 가부시기가이샤 정보기록재생장치
US4939717A (en) * 1986-10-31 1990-07-03 Matsushita Electric Industrial Co., Ltd. Method and apparatus for erasing and recording information using three power levels

Also Published As

Publication number Publication date
EP0335486B1 (de) 1994-06-15
EP0335486A2 (de) 1989-10-04
DE68916084T2 (de) 1995-02-16
EP0335486A3 (de) 1991-10-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)