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
  • G11B7/004—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
  • G11B7/006—Overwriting
  • G11B7/0062—Overwriting strategies, e.g. recording pulse sequences with erasing level used for phase-change media
• • 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
  • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
• • 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 Recording Or Reproduction (AREA)
• Optical Head (AREA)
• Thermal Transfer Or Thermal Recording In General (AREA)
• Optical Record Carriers And Manufacture Thereof (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=27741194

Family Applications (1)

Country Status (9)

Families Citing this family (5)

Family Cites Families (6)

• 2003
  • 2003-02-21 AU AU2003206022A patent/AU2003206022A1/en not_active Abandoned
  • 2003-02-21 CN CNB038044331A patent/CN1327413C/zh not_active Expired - Fee Related
  • 2003-02-21 US US10/504,758 patent/US20050105454A1/en not_active Abandoned
  • 2003-02-21 WO PCT/IB2003/000620 patent/WO2003071524A2/en active IP Right Grant
  • 2003-02-21 AT AT03702905T patent/ATE328347T1/de not_active IP Right Cessation
  • 2003-02-21 KR KR10-2004-7012872A patent/KR20040082439A/ko not_active Application Discontinuation
  • 2003-02-21 DE DE60305654T patent/DE60305654T2/de not_active Expired - Fee Related
  • 2003-02-21 JP JP2003570340A patent/JP2005518619A/ja active Pending
  • 2003-02-21 EP EP03702905A patent/EP1479072B1/de not_active Expired - Lifetime

Also Published As

Similar Documents

Legal Events