AU5984000A - Laser diode control in rewritable optical recording devices - Google Patents

Laser diode control in rewritable optical recording devices

Info

Publication number
AU5984000A
AU5984000A AU59840/00A AU5984000A AU5984000A AU 5984000 A AU5984000 A AU 5984000A AU 59840/00 A AU59840/00 A AU 59840/00A AU 5984000 A AU5984000 A AU 5984000A AU 5984000 A AU5984000 A AU 5984000A
Authority
AU
Australia
Prior art keywords
laser diode
optical recording
recording devices
rewritable optical
diode control
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.)
Abandoned
Application number
AU59840/00A
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke 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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of AU5984000A publication Critical patent/AU5984000A/en
Abandoned 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
    • 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
    • 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
    • G11B7/00454—Recording involving phase-change effects
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215—Recordable discs
    • G11B2220/216—Rewritable discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
AU59840/00A 1999-07-15 2000-07-10 Laser diode control in rewritable optical recording devices Abandoned AU5984000A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19932658 1999-07-15
DE19932658A DE19932658A1 (en) 1999-07-15 1999-07-15 Laser diode control in rewritable optical recording devices
PCT/EP2000/006548 WO2001006499A1 (en) 1999-07-15 2000-07-10 Laser diode control in rewritable optical recording devices

Publications (1)

Publication Number Publication Date
AU5984000A true AU5984000A (en) 2001-02-05

Family

ID=7914580

Family Applications (1)

Application Number Title Priority Date Filing Date
AU59840/00A Abandoned AU5984000A (en) 1999-07-15 2000-07-10 Laser diode control in rewritable optical recording devices

Country Status (10)

Country Link
EP (1) EP1114416A1 (en)
JP (1) JP2003505807A (en)
KR (1) KR100752637B1 (en)
CN (1) CN1154094C (en)
AU (1) AU5984000A (en)
CA (1) CA2344069A1 (en)
DE (1) DE19932658A1 (en)
HU (1) HUP0103926A3 (en)
PL (1) PL346652A1 (en)
WO (1) WO2001006499A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05282672A (en) 1990-05-18 1993-10-29 Taiyo Yuden Co Ltd Optical information recording device
GB9026774D0 (en) 1990-12-10 1991-01-30 Plasmon Data Systems Inc Improving optical disk recording performance
US5184343A (en) 1991-05-06 1993-02-02 Johann Donald F Compensation for dust on an optical disk by increasing laser writing power
JPH1040548A (en) * 1996-07-26 1998-02-13 Taiyo Yuden Co Ltd Running opc method for optical disk and optical disk recording/reproducing apparatus
IL126369A (en) * 1997-01-29 2002-11-10 Koninkl Philips Electronics Nv Method and device for recording and/or reproducing information

Also Published As

Publication number Publication date
HUP0103926A2 (en) 2002-03-28
PL346652A1 (en) 2002-02-25
KR100752637B1 (en) 2007-08-29
KR20010075072A (en) 2001-08-09
CA2344069A1 (en) 2001-01-25
HUP0103926A3 (en) 2004-01-28
CN1318193A (en) 2001-10-17
EP1114416A1 (en) 2001-07-11
WO2001006499A1 (en) 2001-01-25
DE19932658A1 (en) 2001-01-18
CN1154094C (en) 2004-06-16
JP2003505807A (en) 2003-02-12

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase