TREA

arrangements for interrupting the beam during inoperative periods

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Industry

  • CPC
  • H01J29/462
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00

Current Industry

H01J29/462arrangements for interrupting the beam during inoperative periods
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Field emission device with ground electrode
    • Patent number 10,438,765
    • Issue date Oct 8, 2019
    • Electronics and Telecommunications Research Institute
    • Jin Woo Jeong
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Double grid electron gun system and method of use
    • Patent number 3,934,171
    • Issue date Jan 20, 1976
    • GTE Laboratories Incorporated
    • Rudolf G. E. Hutter
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3919598
    • Patent number 3,919,598
    • Issue date Nov 11, 1975
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3678329
    • Patent number 3,678,329
    • Issue date Jul 18, 1972
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    3475637
    • Patent number 3,475,637
    • Issue date Oct 28, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2747134
    • Patent number 2,747,134
    • Issue date May 22, 1956
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1942572
    • Patent number 1,942,572
    • Issue date Jan 9, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1779794
    • Patent number 1,779,794
    • Issue date Oct 28, 1930
    • H01 - BASIC ELECTRIC ELEMENTS