ID20263A - Metode dan perlengkapan untuk merekam dan-atau meniru informasi - Google Patents

Metode dan perlengkapan untuk merekam dan-atau meniru informasi

Info

Publication number
ID20263A
ID20263A IDW980089A ID980089A ID20263A ID 20263 A ID20263 A ID 20263A ID W980089 A IDW980089 A ID W980089A ID 980089 A ID980089 A ID 980089A ID 20263 A ID20263 A ID 20263A
Authority
ID
Indonesia
Prior art keywords
recording
equipment
imitating
information
imitating information
Prior art date
Application number
IDW980089A
Other languages
English (en)
Inventor
Petrus Christianus Joha Hoeven
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of ID20263A publication Critical patent/ID20263A/id

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
    • G11B7/1263—Power control during transducing, e.g. by monitoring
    • 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
    • G11B7/0045—Recording
    • G11B7/00455—Recording involving reflectivity, absorption or colour changes
    • 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
    • G11B7/005—Reproducing
    • G11B7/0052—Reproducing involving reflectivity, absorption or colour changes
    • 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
    • G11B7/005—Reproducing

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
IDW980089A 1997-01-29 1998-01-15 Metode dan perlengkapan untuk merekam dan-atau meniru informasi ID20263A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97200229 1997-01-29

Publications (1)

Publication Number Publication Date
ID20263A true ID20263A (id) 1998-11-12

Family

ID=8227957

Family Applications (1)

Application Number Title Priority Date Filing Date
IDW980089A ID20263A (id) 1997-01-29 1998-01-15 Metode dan perlengkapan untuk merekam dan-atau meniru informasi

Country Status (10)

Country Link
US (1) US5878014A (id)
EP (1) EP0906618B1 (id)
JP (1) JP2000508812A (id)
KR (1) KR100553964B1 (id)
CN (1) CN1126971C (id)
DE (1) DE69816924T2 (id)
ID (1) ID20263A (id)
IL (1) IL126369A (id)
MY (1) MY132760A (id)
WO (1) WO1998033177A2 (id)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6621779B1 (en) * 1998-08-20 2003-09-16 Matsushita Electric Industrial Co., Ltd. Laser power controller and optical disk device
JP2000311373A (ja) 1999-04-28 2000-11-07 Sony Corp ディスクドライブ装置
DE19932658A1 (de) * 1999-07-15 2001-01-18 Koninkl Philips Electronics Nv Laserdiodenregelung bei wiederbeschreibbaren optischen Aufzeichnungsgeräten
US7023777B2 (en) * 2000-01-13 2006-04-04 Matsushita Electric Industrial Co., Ltd. Optical disk recording/reproduction apparatus with a detection means for detecting dirt on the optical disk
KR20030029931A (ko) * 2001-07-09 2003-04-16 코닌클리케 필립스 일렉트로닉스 엔.브이. 기록제어방법
AU2003233095A1 (en) * 2002-06-14 2003-12-31 Koninklijke Philips Electronics N.V. Device for scanning and cleaning an information carrier
WO2007000682A1 (en) * 2005-06-27 2007-01-04 Arima Devices Corporation Optical pick-up unit for use in an optical player

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4908815A (en) * 1988-02-22 1990-03-13 Gregg David P Optical recording system utilizing proportional real-time feedback control of recording beam intensity
DE69233445T2 (de) * 1991-02-18 2005-10-27 Sony Corp. Plattenkassette und Plattenaufzeichnungs und/oder -wiedergabegerät
US5184343A (en) * 1991-05-06 1993-02-02 Johann Donald F Compensation for dust on an optical disk by increasing laser writing power
US5297129A (en) * 1992-12-24 1994-03-22 Optical Disc Corporation Waveform shaping method and apparatus for optical recording
DE4415508A1 (de) * 1994-05-03 1995-11-09 Thomson Brandt Gmbh Abtastgerät mit Adaptation

Also Published As

Publication number Publication date
DE69816924D1 (de) 2003-09-11
WO1998033177A2 (en) 1998-07-30
EP0906618B1 (en) 2003-08-06
CN1126971C (zh) 2003-11-05
IL126369A (en) 2002-11-10
CN1220758A (zh) 1999-06-23
KR20000064805A (ko) 2000-11-06
IL126369A0 (en) 1999-05-09
JP2000508812A (ja) 2000-07-11
US5878014A (en) 1999-03-02
WO1998033177A3 (en) 1998-11-05
MY132760A (en) 2007-10-31
DE69816924T2 (de) 2004-06-17
KR100553964B1 (ko) 2006-05-23
EP0906618A2 (en) 1999-04-07

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