TREA

using means contacting the record carrier

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Industry

  • CPC
  • G11B3/5827
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Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B3/00Recording by mechanical cutting, deforming or pressing

Current Industry

G11B3/5827using means contacting the record carrier
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Recording reproducing apparatus
    • Patent number 4,466,037
    • Issue date Aug 14, 1984
    • Canon Kabushiki Kaisha
    • Shigeru Yoshida
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic disk-jacket assembly
    • Patent number 4,263,634
    • Issue date Apr 21, 1981
    • International Business Machines Corporation
    • Roger D. Chenoweth
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Cartridge and flexible magnetic disk assembly
    • Patent number 4,149,207
    • Issue date Apr 10, 1979
    • International Business Machines Corporation
    • Townsend H. Porter
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Method and apparatus for use in cleaning a gramophone disc
    • Patent number 3,992,018
    • Issue date Nov 16, 1976
    • Strathearn Audio Limited
    • Dexter Robert Plummer
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3770908
    • Patent number 3,770,908
    • Issue date Nov 6, 1973
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3770907
    • Patent number 3,770,907
    • Issue date Nov 6, 1973
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3588123
    • Patent number 3,588,123
    • Issue date Jun 28, 1971
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3355177
    • Patent number 3,355,177
    • Issue date Nov 28, 1967
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents