TREA

having grid-like image screen through which the electron ray passes and by which the ray is influenced before striking the output electrode

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  • CPC
  • H01J31/40
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Parent Industries

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

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H01J31/40having grid-like image screen through which the electron ray passes and by which the ray is influenced before striking the output electrode
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Patents Grantslast 30 patents

  • Information Patent Grant

    Imaging apparatus having electron source array
    • Patent number 8,203,611
    • Issue date Jun 19, 2012
    • Nippon Hoso Kyokai
    • Yuki Honda
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Television camera tube having channeled photosensitive target space...
    • Patent number 4,025,814
    • Issue date May 24, 1977
    • U.S. Philips Corporation
    • Paulus Philippus Maria Schampers
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Device with control grid for electrostatographic reproduction of an...
    • Patent number 4,005,438
    • Issue date Jan 25, 1977
    • Xerox Corporation
    • David W. Meltzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3809946
    • Patent number 3,809,946
    • Issue date May 7, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3740602
    • Patent number 3,740,602
    • Issue date Jun 19, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3649866
    • Patent number 3,649,866
    • Issue date Mar 14, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3406311
    • Patent number 3,406,311
    • Issue date Oct 15, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3204142
    • Patent number 3,204,142
    • Issue date Aug 31, 1965
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3110841
    • Patent number 3,110,841
    • Issue date Nov 12, 1963
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2972072
    • Patent number 2,972,072
    • Issue date Feb 14, 1961
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2869025
    • Patent number 2,869,025
    • Issue date Jan 13, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2757233
    • Patent number 2,757,233
    • Issue date Jul 31, 1956
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2458205
    • Patent number 2,458,205
    • Issue date Jan 4, 1949
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2423124
    • Patent number 2,423,124
    • Issue date Jul 1, 1947
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2423125
    • Patent number 2,423,125
    • Issue date Jul 1, 1947
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2416720
    • Patent number 2,416,720
    • Issue date Mar 4, 1947
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2401786
    • Patent number 2,401,786
    • Issue date Jun 11, 1946
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2323024
    • Patent number 2,323,024
    • Issue date Jun 29, 1943
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2300591
    • Patent number 2,300,591
    • Issue date Nov 3, 1942
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2291577
    • Patent number 2,291,577
    • Issue date Jul 28, 1942
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2280922
    • Patent number 2,280,922
    • Issue date Apr 28, 1942
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2277246
    • Patent number 2,277,246
    • Issue date Mar 24, 1942
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2257942
    • Patent number 2,257,942
    • Issue date Oct 7, 1941
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2256300
    • Patent number 2,256,300
    • Issue date Sep 16, 1941
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2247138
    • Patent number 2,247,138
    • Issue date Jun 24, 1941
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2240186
    • Patent number 2,240,186
    • Issue date Apr 29, 1941
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2237896
    • Patent number 2,237,896
    • Issue date Apr 8, 1941
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2216264
    • Patent number 2,216,264
    • Issue date Oct 1, 1940
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2213179
    • Patent number 2,213,179
    • Issue date Aug 27, 1940
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2146822
    • Patent number 2,146,822
    • Issue date Feb 14, 1939
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents