WO2001006499A1 - Laser diode control in rewritable optical recording devices - Google Patents
Laser diode control in rewritable optical recording devices Download PDFInfo
- Publication number
- WO2001006499A1 WO2001006499A1 PCT/EP2000/006548 EP0006548W WO0106499A1 WO 2001006499 A1 WO2001006499 A1 WO 2001006499A1 EP 0006548 W EP0006548 W EP 0006548W WO 0106499 A1 WO0106499 A1 WO 0106499A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- laser diode
- state
- writing
- optical recording
- states
- Prior art date
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
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU0103926A HUP0103926A3 (en) | 1999-07-15 | 2000-07-10 | Laser diode control in rewritable optical recording devices |
AU59840/00A AU5984000A (en) | 1999-07-15 | 2000-07-10 | Laser diode control in rewritable optical recording devices |
JP2001511674A JP2003505807A (en) | 1999-07-15 | 2000-07-10 | Rewritable optical recording device in which output of semiconductor laser is controlled |
PL00346652A PL346652A1 (en) | 1999-07-15 | 2000-07-10 | Laser diode control in rewritable optical recording devices |
CA002344069A CA2344069A1 (en) | 1999-07-15 | 2000-07-10 | Laser diode control in rewritable optical recording devices |
EP00945904A EP1114416A1 (en) | 1999-07-15 | 2000-07-10 | Laser diode control in rewritable optical recording devices |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19932658A DE19932658A1 (en) | 1999-07-15 | 1999-07-15 | Laser diode control in rewritable optical recording devices |
DE19932658.4 | 1999-07-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001006499A1 true WO2001006499A1 (en) | 2001-01-25 |
Family
ID=7914580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2000/006548 WO2001006499A1 (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) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992010834A1 (en) | 1990-12-10 | 1992-06-25 | 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 |
JPH05282672A (en) | 1990-05-18 | 1993-10-29 | Taiyo Yuden Co Ltd | Optical information recording device |
JPH1040548A (en) * | 1996-07-26 | 1998-02-13 | Taiyo Yuden Co Ltd | Running opc method for optical disk and optical disk recording/reproducing apparatus |
US5878014A (en) * | 1997-01-29 | 1999-03-02 | U.S. Philips Corporation | Device for recording and/or reproducing information |
-
1999
- 1999-07-15 DE DE19932658A patent/DE19932658A1/en not_active Withdrawn
-
2000
- 2000-07-10 KR KR1020017003218A patent/KR100752637B1/en not_active IP Right Cessation
- 2000-07-10 WO PCT/EP2000/006548 patent/WO2001006499A1/en active Application Filing
- 2000-07-10 CN CNB008014035A patent/CN1154094C/en not_active Expired - Fee Related
- 2000-07-10 AU AU59840/00A patent/AU5984000A/en not_active Abandoned
- 2000-07-10 PL PL00346652A patent/PL346652A1/en not_active Application Discontinuation
- 2000-07-10 CA CA002344069A patent/CA2344069A1/en not_active Abandoned
- 2000-07-10 HU HU0103926A patent/HUP0103926A3/en unknown
- 2000-07-10 EP EP00945904A patent/EP1114416A1/en not_active Ceased
- 2000-07-10 JP JP2001511674A patent/JP2003505807A/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05282672A (en) | 1990-05-18 | 1993-10-29 | Taiyo Yuden Co Ltd | Optical information recording device |
WO1992010834A1 (en) | 1990-12-10 | 1992-06-25 | 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 |
US5878014A (en) * | 1997-01-29 | 1999-03-02 | U.S. Philips Corporation | Device for recording and/or reproducing information |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 06 30 April 1998 (1998-04-30) * |
Also Published As
Publication number | Publication date |
---|---|
CN1154094C (en) | 2004-06-16 |
PL346652A1 (en) | 2002-02-25 |
JP2003505807A (en) | 2003-02-12 |
DE19932658A1 (en) | 2001-01-18 |
EP1114416A1 (en) | 2001-07-11 |
HUP0103926A3 (en) | 2004-01-28 |
CA2344069A1 (en) | 2001-01-25 |
AU5984000A (en) | 2001-02-05 |
KR20010075072A (en) | 2001-08-09 |
KR100752637B1 (en) | 2007-08-29 |
CN1318193A (en) | 2001-10-17 |
HUP0103926A2 (en) | 2002-03-28 |
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