TREA

Disposition or mounting of pole pieces on rotating support

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Industry

  • CPC
  • G11B5/538
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Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B5/00Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor

Current Industry

G11B5/538Disposition or mounting of pole pieces on rotating support
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic recording device with rotating head
    • Patent number 4,791,514
    • Issue date Dec 13, 1988
    • Thomson-CSF
    • Ernst Huijer
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Vertical magnetic recording and playback apparatus
    • Patent number 4,731,681
    • Issue date Mar 15, 1988
    • Victor Company of Japan, Limited
    • Haruki Ogata
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Rotary head recording system
    • Patent number 4,647,993
    • Issue date Mar 3, 1987
    • Magnetic Peripherals Inc.
    • Edward L. Schwarz
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Video tape recorder including vertical recording heads
    • Patent number 4,642,711
    • Issue date Feb 10, 1987
    • Olympus Optical Co., Ltd.
    • Yutaka Yunoki
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Rotary head recording system
    • Patent number 4,636,886
    • Issue date Jan 13, 1987
    • Magnetic Peripherals Inc.
    • Theodore A. Schwarz
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Perpendicular magnetic recording head
    • Patent number 4,562,503
    • Issue date Dec 31, 1985
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Yoshiharu Fujioka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3662403
    • Patent number 3,662,403
    • Issue date May 9, 1972
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3419688
    • Patent number 3,419,688
    • Issue date Dec 31, 1968
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3081381
    • Patent number 3,081,381
    • Issue date Mar 12, 1963
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3053942
    • Patent number 3,053,942
    • Issue date Sep 11, 1962
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2909616
    • Patent number 2,909,616
    • Issue date Oct 20, 1959
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2891115
    • Patent number 2,891,115
    • Issue date Jun 16, 1959
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2800384
    • Patent number 2,800,384
    • Issue date Jul 23, 1957
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2743318
    • Patent number 2,743,318
    • Issue date Apr 24, 1956
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2188650
    • Patent number 2,188,650
    • Issue date Jan 30, 1940
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents