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acting as light valves by shutter operation

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  • H01J29/12
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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

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H01J29/12acting as light valves by shutter operation
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reflective light valve modulator
    • Patent number 5,822,110
    • Issue date Oct 13, 1998
    • Rad Hassan Dabbaj
    • G02 - OPTICS
  • 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

    Electrostatic precipitator for a light valve of the Schlieren dark...
    • Patent number 4,755,034
    • Issue date Jul 5, 1988
    • General Electric Company
    • Howard E. Towlson
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Cathodochromic CRT erasure and tube set up method
    • Patent number 4,698,684
    • Issue date Oct 6, 1987
    • Hilliard-Lyons Patent Management, Inc.
    • Lee T. Todd
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light valve, light valve display, and method
    • Patent number 4,331,972
    • Issue date May 25, 1982
    • Jan A. Rajchman
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Electro-mechanical image converter
    • Patent number 4,229,081
    • Issue date Oct 21, 1980
    • The United States of America as represented by the Secretary of the Army
    • Terry L. Jones
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Instant radiation image display element
    • Patent number 4,131,795
    • Issue date Dec 26, 1978
    • Fuji Xerox Co., Ltd.
    • Mutsuo Takenouchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cathode ray tube employing faceplate-deposited cathodochromic mater...
    • Patent number 4,035,525
    • Issue date Jul 12, 1977
    • Massachusetts Institute of Technology
    • Lee T. Todd
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Thin film device
    • Patent number 4,020,221
    • Issue date Apr 26, 1977
    • Mitsubishi Denki Kabushiki Kaisha
    • Hideaki Kusakawa
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Light modulating device
    • Patent number 3,990,783
    • Issue date Nov 9, 1976
    • Matsushita Electric Industrial Co., Ltd.
    • Tadao Kohashi
    • G02 - OPTICS
  • Information Patent Grant

    Optical imaging system utilizing a light valve array and a coupled...
    • Patent number 3,989,890
    • Issue date Nov 2, 1976
    • Westinghouse Electric Corporation
    • Harvey C. Nathanson
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Cathode ray tube employing faceplate-deposited cathodochromic mater...
    • Patent number 3,968,394
    • Issue date Jul 6, 1976
    • Massachusetts Institute of Technology
    • Lee T. Todd
    • C01 - INORGANIC CHEMISTRY
  • 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

    3886310
    • Patent number 3,886,310
    • Issue date May 27, 1975
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3879630
    • Patent number 3,879,630
    • Issue date Apr 22, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3858080
    • Patent number 3,858,080
    • Issue date Dec 31, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3836809
    • Patent number 3,836,809
    • Issue date Sep 17, 1974
    • G02 - OPTICS
  • Information Patent Grant

    3746911
    • Patent number 3,746,911
    • Issue date Jul 17, 1973
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3667830
    • Patent number 3,667,830
    • Issue date Jun 6, 1972
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3538251
    • Patent number 3,538,251
    • Issue date Nov 3, 1970
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3498694
    • Patent number 3,498,694
    • Issue date Mar 3, 1970
    • G02 - OPTICS
  • Information Patent Grant

    3451742
    • Patent number 3,451,742
    • Issue date Jun 24, 1969
    • G02 - OPTICS
  • Information Patent Grant

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

    3424863
    • Patent number 3,424,863
    • Issue date Jan 28, 1969
    • G02 - OPTICS
  • Information Patent Grant

    3403283
    • Patent number 3,403,283
    • Issue date Sep 24, 1968
    • G02 - OPTICS
  • Information Patent Grant

    3400214
    • Patent number 3,400,214
    • Issue date Sep 3, 1968
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3385991
    • Patent number 3,385,991
    • Issue date May 28, 1968
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • 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

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

Patents Applicationslast 30 patents