TREA

Large-scale devices

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Industry

  • CPC
  • H01J2229/8911
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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

Current Industry

H01J2229/8911Large-scale devices
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Computer monitor visor
    • Patent number 5,966,241
    • Issue date Oct 12, 1999
    • Paul Gilger
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Displaying apparatus with light-shielding grating
    • Patent number 5,647,152
    • Issue date Jul 15, 1997
    • Takiron Co., Ltd.
    • Masanobu Miura
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Optical assembly for television front screen
    • Patent number 5,534,951
    • Issue date Jul 9, 1996
    • Chung Kin Lo
    • Kai S. He
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    VDT radiation protection system
    • Patent number 5,202,566
    • Issue date Apr 13, 1993
    • Hani E. Chika
    • G02 - OPTICS
  • Information Patent Grant

    Apparatus in video display terminals
    • Patent number 4,742,398
    • Issue date May 3, 1988
    • Bengt Johnsson
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    CRT shield
    • Patent number 4,444,465
    • Issue date Apr 24, 1984
    • Joe D. Giulie
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Light masking device
    • Patent number 4,365,866
    • Issue date Dec 28, 1982
    • Invisible Optics Inc.
    • Peter Softly
    • G02 - OPTICS
  • Information Patent Grant

    3663753
    • Patent number 3,663,753
    • Issue date May 16, 1972
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2942254
    • Patent number 2,942,254
    • Issue date Jun 21, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2470666
    • Patent number 2,470,666
    • Issue date May 17, 1949
    • H01 - BASIC ELECTRIC ELEMENTS