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using quadrupole lenses

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  • CPC
  • H04N9/285
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HELECTRICITY H04Electric communication H04NPICTORIAL COMMUNICATION H04N9/00Details of colour television systems

Current Industry

H04N9/285using quadrupole lenses
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Color CRT apparatus
    • Patent number 6,534,935
    • Issue date Mar 18, 2003
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroshi Sakurai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Cathode ray tube having multiple sets of orbital correction coils
    • Patent number 6,396,206
    • Issue date May 28, 2002
    • Kabushiki Kaisha Toshiba
    • Yuuichi Sano
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Apparatus for correcting misconvergence and geometric distortion of...
    • Patent number 6,215,257
    • Issue date Apr 10, 2001
    • Samsung Electro-Mechanics Co., Ltd.
    • Hwan Seok Choe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Deflection yoke and cathode ray tube having the same
    • Patent number 5,498,939
    • Issue date Mar 12, 1996
    • Hitachi, Ltd.
    • Kooji Fukuma
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Deflection system with a controlled beam spot
    • Patent number 5,489,824
    • Issue date Feb 6, 1996
    • RCA Thomson Licensing Corporation
    • Michael D. Grote
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Convergence system
    • Patent number 5,172,035
    • Issue date Dec 15, 1992
    • Hitachi, Ltd.
    • Soichi Sakurai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Focus adjusting device for projection display
    • Patent number 5,039,923
    • Issue date Aug 13, 1991
    • Hitachi, Ltd.
    • Masanori Ogino
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Deflection system with a controlled beam spot
    • Patent number 5,028,850
    • Issue date Jul 2, 1991
    • RCA Licensing Corporation
    • Michael D. Grote
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Deflection-coil system for color picture tubes
    • Patent number 4,280,080
    • Issue date Jul 21, 1981
    • International Standard Electric Corporation
    • Patrick Brown
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Quadrupole convergence circuit
    • Patent number 4,097,784
    • Issue date Jun 27, 1978
    • GTE Sylvania Incorporated
    • Martin Fischman
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Color television display device including a cathode-ray tube
    • Patent number 4,088,930
    • Issue date May 9, 1978
    • U.S. Philips Corporation
    • Piet G. J. Barten
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Circuit for generating a correction current for correcting for defl...
    • Patent number 4,028,585
    • Issue date Jun 7, 1977
    • U.S. Philips Corporation
    • Adrianus Hubertus Kantelberg
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Parabolic current generator
    • Patent number 4,028,586
    • Issue date Jun 7, 1977
    • RCA Corporation
    • Lewis Irwin Mengle
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Circuit arrangement for generating in a picture display device a sa...
    • Patent number 3,988,637
    • Issue date Oct 26, 1976
    • U.S. Philips Corporation
    • Antonius Boekhorst
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3930185
    • Patent number 3,930,185
    • Issue date Dec 30, 1975
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3912970
    • Patent number 3,912,970
    • Issue date Oct 14, 1975
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3906303
    • Patent number 3,906,303
    • Issue date Sep 16, 1975
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3898520
    • Patent number 3,898,520
    • Issue date Aug 5, 1975
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3898521
    • Patent number 3,898,521
    • Issue date Aug 5, 1975
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3879635
    • Patent number 3,879,635
    • Issue date Apr 22, 1975
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3857057
    • Patent number 3,857,057
    • Issue date Dec 24, 1974
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3824426
    • Patent number 3,824,426
    • Issue date Jul 16, 1974
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3821591
    • Patent number 3,821,591
    • Issue date Jun 28, 1974
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3793554
    • Patent number 3,793,554
    • Issue date Feb 19, 1974
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3761763
    • Patent number 3,761,763
    • Issue date Sep 25, 1973
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3721930
    • Patent number 3,721,930
    • Issue date Mar 20, 1973
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3714500
    • Patent number 3,714,500
    • Issue date Jan 30, 1973
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3643125
    • Patent number 3,643,125
    • Issue date Feb 15, 1972
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3631902
    • Patent number 3,631,902
    • Issue date Jan 4, 1972
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3631296
    • Patent number 3,631,296
    • Issue date Dec 28, 1971
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE