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
  • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
  • G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
  • G11B7/0032—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent for moving-picture soundtracks, i.e. cinema

Applications Claiming Priority (1)

Publications (1)

Family

ID=22184447

Family Applications (1)

Country Status (8)

Families Citing this family (4)

• 1971
  • 1971-10-07 AU AU34358/71A patent/AU3435871A/en not_active Expired
  • 1971-10-25 DE DE19712153100 patent/DE2153100C3/en not_active Expired
  • 1971-10-26 NL NL7114704A patent/NL7114704A/xx unknown
  • 1971-10-26 JP JP8503671A patent/JPS4917723B1/ja active Pending
  • 1971-10-26 FR FR7138464A patent/FR2113274A5/fr not_active Expired
  • 1971-10-26 GB GB4963571A patent/GB1372421A/en not_active Expired
  • 1971-10-27 BE BE774576A patent/BE774576A/en unknown
  • 1971-10-27 ES ES396427A patent/ES396427A1/en not_active Expired

Also Published As

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