TREA

with screen acting as light valve by shutter operation

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  • CPC
  • H01J31/24
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J31/00Cathode ray tubes Electron beam tubes

Current Industry

H01J31/24with screen acting as light valve by shutter operation
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Electron gun for addressing secondary emission targets
    • Patent number 6,369,498
    • Issue date Apr 9, 2002
    • Intel Corporation
    • Thomas A. Skupien
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    High spatial resolution 2-D bistable light modulator
    • Patent number 4,851,659
    • Issue date Jul 25, 1989
    • Optron Systems, Inc.
    • Robert F. Dillon
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Low-cost, substantially cross-talk free high spatial resolution 2-D...
    • Patent number 4,822,993
    • Issue date Apr 18, 1989
    • Optron Systems, Inc.
    • Robert F. Dillon
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Completely cross-talk free high spatial resolution 2D bistable ligh...
    • Patent number 4,800,263
    • Issue date Jan 24, 1989
    • Optron Systems, Inc.
    • Robert F. Dillon
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Masking of light valve spill light
    • Patent number 4,755,032
    • Issue date Jul 5, 1988
    • General Electric Company
    • Thomas T. True
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Split drift ring for focus deflection in light valves
    • Patent number 4,716,339
    • Issue date Dec 29, 1987
    • General Electric Company
    • Alfred G. Roussin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3914600
    • Patent number 3,914,600
    • Issue date Oct 21, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3902012
    • Patent number 3,902,012
    • Issue date Aug 26, 1975
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3896338
    • Patent number 3,896,338
    • Issue date Jul 22, 1975
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3806636
    • Patent number 3,806,636
    • Issue date Apr 23, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3526799
    • Patent number 3,526,799
    • Issue date Sep 1, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3514535
    • Patent number 3,514,535
    • Issue date May 26, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3426147
    • Patent number 3,426,147
    • Issue date Feb 4, 1969
    • G02 - OPTICS
  • Information Patent Grant

    3291549
    • Patent number 3,291,549
    • Issue date Dec 13, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3289028
    • Patent number 3,289,028
    • Issue date Nov 29, 1966
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3251940
    • Patent number 3,251,940
    • Issue date May 17, 1966
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3209072
    • Patent number 3,209,072
    • Issue date Sep 28, 1965
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2605352
    • Patent number 2,605,352
    • Issue date Jul 29, 1952
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2601328
    • Patent number 2,601,328
    • Issue date Jun 24, 1952
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2481621
    • Patent number 2,481,621
    • Issue date Sep 13, 1949
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2471409
    • Patent number 2,471,409
    • Issue date May 31, 1949
    • G01 - MEASURING TESTING