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I.F amplifiers

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  • H04N9/647
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HELECTRICITY H04Electric communication H04NPICTORIAL COMMUNICATION H04N9/00Details of colour television systems

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H04N9/647I.F amplifiers
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light detecting apparatus and image acquiring apparatus
    • Patent number 10,704,953
    • Issue date Jul 7, 2020
    • Olympus Corporation
    • Keiichiro Nakajima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Color and infrared filter array patterns to reduce color aliasing
    • Patent number 9,667,933
    • Issue date May 30, 2017
    • OmniVision Technologies, Inc.
    • Donghui Wu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Automatic frequency response correction using color burst
    • Patent number 4,649,420
    • Issue date Mar 10, 1987
    • Zenith Electronics Corporation
    • Gordon E. Kelly
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    I.F. Response control system for a television receiver
    • Patent number 4,366,498
    • Issue date Dec 28, 1982
    • RCA Corporation
    • Gerald E. Theriault
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Automatic tilt control circuit for television receivers
    • Patent number 4,237,476
    • Issue date Dec 2, 1980
    • Hitachi, Ltd.
    • Kentaro Hanma
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Elastic surface wave filter for color television receiver
    • Patent number 4,212,029
    • Issue date Jul 8, 1980
    • Hitachi, Ltd.
    • Takeshi Murakami
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3726990
    • Patent number 3,726,990
    • Issue date Apr 10, 1973
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3723915
    • Patent number 3,723,915
    • Issue date Mar 27, 1973
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3714594
    • Patent number 3,714,594
    • Issue date Jan 30, 1973
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3673319
    • Patent number 3,673,319
    • Issue date Jun 27, 1972
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3582540
    • Patent number 3,582,540
    • Issue date Jun 1, 1971
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3562411
    • Patent number 3,562,411
    • Issue date Feb 9, 1971
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3548090
    • Patent number 3,548,090
    • Issue date Dec 15, 1970
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3471636
    • Patent number 3,471,636
    • Issue date Oct 7, 1969
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3422217
    • Patent number 3,422,217
    • Issue date Jan 14, 1969
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3114889
    • Patent number 3,114,889
    • Issue date Dec 17, 1963
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3029400
    • Patent number 3,029,400
    • Issue date Apr 10, 1962
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3019401
    • Patent number 3,019,401
    • Issue date Jan 30, 1962
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2917572
    • Patent number 2,917,572
    • Issue date Dec 15, 1959
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2910529
    • Patent number 2,910,529
    • Issue date Oct 27, 1959
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2873309
    • Patent number 2,873,309
    • Issue date Feb 10, 1959
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2844645
    • Patent number 2,844,645
    • Issue date Jul 22, 1958
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2811580
    • Patent number 2,811,580
    • Issue date Oct 29, 1957
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2810014
    • Patent number 2,810,014
    • Issue date Oct 15, 1957
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2770673
    • Patent number 2,770,673
    • Issue date Nov 13, 1956
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents