TW200739549A - An optical drive having a laser driver device with an adjustable power level - Google Patents
An optical drive having a laser driver device with an adjustable power levelInfo
- Publication number
- TW200739549A TW200739549A TW095139887A TW95139887A TW200739549A TW 200739549 A TW200739549 A TW 200739549A TW 095139887 A TW095139887 A TW 095139887A TW 95139887 A TW95139887 A TW 95139887A TW 200739549 A TW200739549 A TW 200739549A
- Authority
- TW
- Taiwan
- Prior art keywords
- optical drive
- driver device
- power level
- laser driver
- adjustable power
- 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
- G11B7/004—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
- G11B7/12—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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05110171 | 2005-10-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
TW200739549A true TW200739549A (en) | 2007-10-16 |
Family
ID=37807985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW095139887A TW200739549A (en) | 2005-10-31 | 2006-10-27 | An optical drive having a laser driver device with an adjustable power level |
Country Status (7)
Country | Link |
---|---|
US (1) | US20080219115A1 (zh) |
EP (1) | EP1955322A2 (zh) |
JP (1) | JP2009514132A (zh) |
KR (1) | KR20080066830A (zh) |
CN (1) | CN101601089A (zh) |
TW (1) | TW200739549A (zh) |
WO (1) | WO2007052178A2 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100922431B1 (ko) * | 2008-01-16 | 2009-10-16 | 도시바삼성스토리지테크놀러지코리아 주식회사 | 회로 장치 및 이를 이용한 광 디스크 드라이브 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2605577B2 (ja) * | 1993-03-19 | 1997-04-30 | ヤマハ株式会社 | 光ディスク記録装置 |
JPH0934867A (ja) * | 1995-07-24 | 1997-02-07 | Mitsubishi Electric Corp | マイクロコンピュータ |
HUP0202465A2 (en) * | 2000-05-09 | 2002-12-28 | Koninkl Philips Electronics Nv | Method and device for recording an information signal on an information layer of a recording medium |
US6987717B2 (en) * | 2000-08-10 | 2006-01-17 | Ricoh Company, Ltd. | Optical disk device recording data on a recordable or rewritable optical disk by setting a recording velocity and a recording power for each of zones on an optical disk |
TW548633B (en) * | 2001-02-09 | 2003-08-21 | Acer Labs Inc | Constant angular velocity data write system and the laser power control method thereof |
US7099251B2 (en) * | 2001-10-15 | 2006-08-29 | Shinano Kenshi Kabushiki Kaisha | Method of controlling laser power and optical disk player |
JP3931133B2 (ja) * | 2002-10-29 | 2007-06-13 | 株式会社日立製作所 | 光ディスク装置および位相調整方法 |
US20040130993A1 (en) * | 2003-01-02 | 2004-07-08 | Nedi Nadershahi | Method and apparatus for a high speed write strategy |
US7317674B2 (en) * | 2003-03-11 | 2008-01-08 | Intersil Americas Inc. | Optical pick-up units and laser drivers with increased functionality |
WO2004086387A1 (en) * | 2003-03-27 | 2004-10-07 | Koninklijke Philips Electronics N.V. | Radiation source driving device and method for driving a radiation source |
TWI241571B (en) * | 2004-05-25 | 2005-10-11 | Mediatek Inc | Multi-directional controlling method of optical disk drive laser power and device using same |
-
2006
- 2006-10-24 WO PCT/IB2006/053899 patent/WO2007052178A2/en active Application Filing
- 2006-10-24 CN CNA2006800409892A patent/CN101601089A/zh active Pending
- 2006-10-24 EP EP06809676A patent/EP1955322A2/en not_active Withdrawn
- 2006-10-24 JP JP2008537281A patent/JP2009514132A/ja active Pending
- 2006-10-24 US US12/091,489 patent/US20080219115A1/en not_active Abandoned
- 2006-10-24 KR KR1020087012908A patent/KR20080066830A/ko not_active Application Discontinuation
- 2006-10-27 TW TW095139887A patent/TW200739549A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
JP2009514132A (ja) | 2009-04-02 |
EP1955322A2 (en) | 2008-08-13 |
WO2007052178A2 (en) | 2007-05-10 |
WO2007052178A3 (en) | 2009-08-13 |
US20080219115A1 (en) | 2008-09-11 |
KR20080066830A (ko) | 2008-07-16 |
CN101601089A (zh) | 2009-12-09 |
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