HUP0103926A3 - Laser diode control in rewritable optical recording devices - Google Patents

Laser diode control in rewritable optical recording devices

Info

Publication number
HUP0103926A3
HUP0103926A3 HU0103926A HUP0103926A HUP0103926A3 HU P0103926 A3 HUP0103926 A3 HU P0103926A3 HU 0103926 A HU0103926 A HU 0103926A HU P0103926 A HUP0103926 A HU P0103926A HU P0103926 A3 HUP0103926 A3 HU P0103926A3
Authority
HU
Hungary
Prior art keywords
laser diode
optical recording
recording devices
rewritable optical
diode control
Prior art date
Application number
HU0103926A
Other languages
English (en)
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 HUP0103926A2 publication Critical patent/HUP0103926A2/hu
Publication of HUP0103926A3 publication Critical patent/HUP0103926A3/hu

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125Optical 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
    • G11B7/126Circuits, methods or arrangements for laser control or stabilisation
    • G11B7/1263Power control during transducing, e.g. by monitoring
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125Optical 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
    • G11B7/126Circuits, methods or arrangements for laser control or stabilisation
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045Recording
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045Recording
    • G11B7/00454Recording involving phase-change effects
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/006Overwriting
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/20Disc-shaped record carriers
    • G11B2220/21Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215Recordable discs
    • G11B2220/216Rewritable discs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/20Disc-shaped record carriers
    • G11B2220/25Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537Optical discs

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
HU0103926A 1999-07-15 2000-07-10 Laser diode control in rewritable optical recording devices HUP0103926A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19932658A DE19932658A1 (de) 1999-07-15 1999-07-15 Laserdiodenregelung bei wiederbeschreibbaren optischen Aufzeichnungsgeräten
PCT/EP2000/006548 WO2001006499A1 (de) 1999-07-15 2000-07-10 Laserdiodenregelung bei wiederbeschreibbaren optischen aufzeichnungsgeräten

Publications (2)

Publication Number Publication Date
HUP0103926A2 HUP0103926A2 (hu) 2002-03-28
HUP0103926A3 true HUP0103926A3 (en) 2004-01-28

Family

ID=7914580

Family Applications (1)

Application Number Title Priority Date Filing Date
HU0103926A HUP0103926A3 (en) 1999-07-15 2000-07-10 Laser diode control in rewritable optical recording devices

Country Status (10)

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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05282672A (ja) 1990-05-18 1993-10-29 Taiyo Yuden Co Ltd 光学的情報記録装置
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 (ja) * 1996-07-26 1998-02-13 Taiyo Yuden Co Ltd 光ディスクのランニングopc方法及び光ディスク記録再生装置
IL126369A (en) * 1997-01-29 2002-11-10 Koninkl Philips Electronics Nv Method and system for recording and / or recovering information

Also Published As

Publication number Publication date
HUP0103926A2 (hu) 2002-03-28
PL346652A1 (en) 2002-02-25
KR100752637B1 (ko) 2007-08-29
KR20010075072A (ko) 2001-08-09
CA2344069A1 (en) 2001-01-25
CN1318193A (zh) 2001-10-17
EP1114416A1 (de) 2001-07-11
AU5984000A (en) 2001-02-05
WO2001006499A1 (de) 2001-01-25
DE19932658A1 (de) 2001-01-18
CN1154094C (zh) 2004-06-16
JP2003505807A (ja) 2003-02-12

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Legal Events

Date Code Title Description
FD9A Lapse of provisional protection due to non-payment of fees