Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N5/00—Details of television systems
  • H04N5/76—Television signal recording
  • H04N5/7605—Television signal recording on discs or drums
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
  • G05D3/00—Control of position or direction
  • G05D3/12—Control of position or direction using feedback
  • G05D3/14—Control of position or direction using feedback using an analogue comparing device
• • 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
  • G11B7/081—Disposition or mounting of heads or light sources relatively to record carriers for time base error correction by moving the light beam
• • 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
  • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
  • G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
  • G11B7/0953—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for eccentricity of the disc or disc tracks

Applications Claiming Priority (1)

Publications (2)

Family

ID=19817346

Family Applications (1)

Country Status (16)

Families Citing this family (5)

Family Cites Families (3)

• 1972
  • 1972-11-11 NL NL7215306A patent/NL7215306A/xx not_active Application Discontinuation
• 1973
  • 1973-10-22 ZA ZA00738175A patent/ZA738175B/xx unknown
  • 1973-10-26 DE DE2353673A patent/DE2353673C2/de not_active Expired
  • 1973-11-08 NO NO4306/73A patent/NO141137C/no unknown
  • 1973-11-08 BR BR8761/73A patent/BR7308761D0/pt unknown
  • 1973-11-08 DK DK604973AA patent/DK134875B/da unknown
  • 1973-11-08 IT IT70274/73A patent/IT999742B/it active
  • 1973-11-08 GB GB5185073A patent/GB1452330A/en not_active Expired
  • 1973-11-08 SE SE7315152A patent/SE395558B/xx unknown
  • 1973-11-08 CH CH1571273A patent/CH588123A5/xx not_active IP Right Cessation
  • 1973-11-08 AT AT939773A patent/AT330258B/de not_active IP Right Cessation
  • 1973-11-08 CA CA185,306A patent/CA1005908A/en not_active Expired
  • 1973-11-09 ES ES420411A patent/ES420411A1/es not_active Expired
  • 1973-11-09 FR FR7339854A patent/FR2327607A1/fr active Granted
  • 1973-11-09 JP JP12555373A patent/JPS5531527B2/ja not_active Expired
  • 1973-11-09 BE BE137614A patent/BE807159A/xx unknown

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