TREA

acting to increase pressure on record

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Industry

  • CPC
  • G11B3/26
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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

G11B3/26acting to increase pressure on record
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3927252
    • Patent number 3,927,252
    • Issue date Dec 16, 1975
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3647222
    • Patent number 3,647,222
    • Issue date Mar 7, 1972
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3529834
    • Patent number 3,529,834
    • Issue date Sep 22, 1970
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3417999
    • Patent number 3,417,999
    • Issue date Dec 24, 1968
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2526188
    • Patent number 2,526,188
    • Issue date Oct 17, 1950
    • G11 - INFORMATION STORAGE