Classifications

• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B21/00—Head arrangements not specific to the method of recording or reproducing
  • G11B21/02—Driving or moving of heads
• • 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
  • G11B7/122—Flying-type heads, e.g. analogous to Winchester type in magnetic 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
  • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
  • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
  • G11B7/0857—Arrangements for mechanically moving the whole head
  • G11B7/08576—Swinging-arm positioners
• • 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
  • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
  • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
  • G11B7/0857—Arrangements for mechanically moving the whole head
  • G11B7/08594—Arrangements for mechanically moving the whole head to access both sides of the disc with the same head assembly
• • 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
  • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
• • 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
  • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
  • G11B7/2403—Layers; Shape, structure or physical properties thereof
  • G11B7/24035—Recording layers
  • G11B7/24038—Multiple laminated recording layers

Landscapes

• Physics & Mathematics (AREA)
• Optics & Photonics (AREA)
• Optical Head (AREA)
• Optical Recording Or Reproduction (AREA)
• Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
• Moving Of Heads (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=19535592

Family Applications (1)

Country Status (11)

Families Citing this family (4)

Family Cites Families (13)

• 1998
  • 1998-03-30 KR KR1019980011070A patent/KR100343153B1/ko not_active Expired - Fee Related
• 1999
  • 1999-03-25 EP EP99302309A patent/EP0947983B1/en not_active Expired - Lifetime
  • 1999-03-25 DE DE69938632T patent/DE69938632D1/de not_active Expired - Fee Related
  • 1999-03-26 MY MYPI99001152A patent/MY126438A/en unknown
  • 1999-03-29 TW TW088104896A patent/TW424230B/zh not_active IP Right Cessation
  • 1999-03-29 BR BR9901350-9A patent/BR9901350A/pt not_active IP Right Cessation
  • 1999-03-29 RU RU99106678/28A patent/RU2158968C1/ru not_active IP Right Cessation
  • 1999-03-30 CN CN99104611A patent/CN1124596C/zh not_active Expired - Fee Related
  • 1999-03-30 SG SG9901570A patent/SG93830A1/en unknown
  • 1999-03-30 JP JP11090207A patent/JP3116039B2/ja not_active Expired - Fee Related
  • 1999-03-30 ID IDP990292D patent/ID23564A/id unknown

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