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  • CPC
  • H01J2229/0069
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J2229/00Details of cathode ray tubes or electron beam tubes

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H01J2229/0069Active means
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electron beam emission device
    • Patent number 10,014,146
    • Issue date Jul 3, 2018
    • Korea Institute of Industrial Technology
    • Eun Goo Kang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2188661
    • Patent number 2,188,661
    • Issue date Jan 30, 1940
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRON BEAM EMISSION DEVICE
    • Publication number 20170263411
    • Publication date Sep 14, 2017
    • KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    • Eun Goo KANG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    COOLING ARRANGEMENT FOR X-RAY GENERATOR
    • Publication number 20160020059
    • Publication date Jan 21, 2016
    • COMET Holding AG
    • Stephan HAFERL
    • H01 - BASIC ELECTRIC ELEMENTS