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Helix-derived slow-wave structures

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  • CPC
  • H01J23/27
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HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J23/00Details of transit-time tubes of the types covered by group H01J25/00

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H01J23/27Helix-derived slow-wave structures
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Patents Grantslast 30 patents

  • Information Patent Grant

    Crossed double helix slow-wave circuit for use in linear-beam micro...
    • Patent number 4,855,644
    • Issue date Aug 8, 1989
    • NEC Corporation
    • Ryuzo Orui
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Delay line for high-performance traveling-wave tubes, in the form o...
    • Patent number 4,564,788
    • Issue date Jan 14, 1986
    • Siemens Aktiengesellschaft
    • Wolf Wiehler
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Ring-bar slow wave structure and fabrication method
    • Patent number 4,465,987
    • Issue date Aug 14, 1984
    • Hughes Aircraft Company
    • Arthur E. Manoly
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Ladder supported ring bar circuit
    • Patent number 4,422,012
    • Issue date Dec 20, 1983
    • The United States of America as represented by the administrator of the Natio...
    • Henry G. Kosmahl
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method for the manufacture of a microwave delay line and microwave...
    • Patent number 4,313,474
    • Issue date Feb 2, 1982
    • Thomson-CSF
    • Rene Nazet
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Traveling wave tube and method of making same
    • Patent number 4,270,069
    • Issue date May 26, 1981
    • Siemens Aktiengesellschaft
    • Wolf Wiehler
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Microwave delay line
    • Patent number 4,263,532
    • Issue date Apr 21, 1981
    • Thomson-CSF
    • Philippe Gosset
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Ring-and-bar slow wave circuits employing ceramic supports at the bars
    • Patent number 4,093,892
    • Issue date Jun 6, 1978
    • Varian Associates, Inc.
    • Norman R. Vanderplaats
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Slow wave circuit having serially connected contrawound two-turn he...
    • Patent number 4,004,179
    • Issue date Jan 18, 1977
    • Litton Systems, Inc.
    • Robert Matthews Phillips
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3716745
    • Patent number 3,716,745
    • Issue date Feb 13, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3715616
    • Patent number 3,715,616
    • Issue date Feb 6, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3693038
    • Patent number 3,693,038
    • Issue date Sep 19, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3689852
    • Patent number 3,689,852
    • Issue date Sep 5, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3508108
    • Patent number 3,508,108
    • Issue date Apr 21, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3505730
    • Patent number 3,505,730
    • Issue date Apr 14, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3505616
    • Patent number 3,505,616
    • Issue date Apr 7, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3475643
    • Patent number 3,475,643
    • Issue date Oct 28, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3443146
    • Patent number 3,443,146
    • Issue date May 6, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3433999
    • Patent number 3,433,999
    • Issue date Mar 18, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3376519
    • Patent number 3,376,519
    • Issue date Apr 2, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3370197
    • Patent number 3,370,197
    • Issue date Feb 20, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3366897
    • Patent number 3,366,897
    • Issue date Jan 30, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3322996
    • Patent number 3,322,996
    • Issue date May 30, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3287668
    • Patent number 3,287,668
    • Issue date Nov 22, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3201849
    • Patent number 3,201,849
    • Issue date Aug 24, 1965
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3200286
    • Patent number 3,200,286
    • Issue date Aug 10, 1965
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3142777
    • Patent number 3,142,777
    • Issue date Jul 28, 1964
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3069588
    • Patent number 3,069,588
    • Issue date Dec 18, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3054017
    • Patent number 3,054,017
    • Issue date Sep 11, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2957103
    • Patent number 2,957,103
    • Issue date Oct 18, 1960
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents