TREA

for styli or needles only

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Industry

  • CPC
  • G11B3/5881
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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

G11B3/5881for styli or needles only
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Stylus lowering, lifting and cleaning apparatus
    • Patent number 4,443,871
    • Issue date Apr 17, 1984
    • RCA Corporation
    • Anil R. Dholakia
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Stylus cleaning apparatus for video disc player
    • Patent number 4,285,524
    • Issue date Aug 25, 1981
    • RCA Corporation
    • Larry M. Hughes
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Pickup needle cleaning device for record disc playback apparatus
    • Patent number 4,166,623
    • Issue date Sep 4, 1979
    • Matsushita Electric Industries Co., Ltd.
    • Kenji Nanbu
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Stylus position control system
    • Patent number 4,128,247
    • Issue date Dec 5, 1978
    • RCA Corporation
    • James A. Allen
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Stylus cleaning system for disc record player
    • Patent number 4,046,384
    • Issue date Sep 6, 1977
    • RCA Corporation
    • Thomas Francis Kirschner
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3881734
    • Patent number 3,881,734
    • Issue date May 6, 1975
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3405946
    • Patent number 3,405,946
    • Issue date Oct 15, 1968
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3313547
    • Patent number 3,313,547
    • Issue date Apr 11, 1967
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3266807
    • Patent number 3,266,807
    • Issue date Aug 16, 1966
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3212784
    • Patent number 3,212,784
    • Issue date Oct 19, 1965
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3189351
    • Patent number 3,189,351
    • Issue date Jun 15, 1965
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3162445
    • Patent number 3,162,445
    • Issue date Dec 22, 1964
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3031195
    • Patent number 3,031,195
    • Issue date Apr 24, 1962
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2685447
    • Patent number 2,685,447
    • Issue date Aug 3, 1954
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents