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in discharge tube amplifiers

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  • CPC
  • H03F1/16
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Parent Industries

HELECTRICITY H03Electronic circuits H03FAMPLIFIERS H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements

Current Industry

H03F1/16in discharge tube amplifiers
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum tube amplifier module and assembly method thereof
    • Patent number 12,101,064
    • Issue date Sep 24, 2024
    • DREAMUS COMPANY
    • Sun Yeol Lee
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum tube amplification system capable of reducing residual noise...
    • Patent number 11,121,678
    • Issue date Sep 14, 2021
    • ECHOWELL ELECTRONIC CO., LTD.
    • Hsi-Hsien Chen
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Method for neutralizing a transmitter tube
    • Patent number 6,738,431
    • Issue date May 18, 2004
    • Thomson-CSF
    • Pierre André Laurent
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    High-frequency amplifier with automatic neutrodyning circuit
    • Patent number 4,910,476
    • Issue date Mar 20, 1990
    • Thomson-CSF
    • Michel Benoit
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3435133
    • Patent number 3,435,133
    • Issue date Mar 25, 1969
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3382450
    • Patent number 3,382,450
    • Issue date May 7, 1968
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3253229
    • Patent number 3,253,229
    • Issue date May 24, 1966
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3223939
    • Patent number 3,223,939
    • Issue date Dec 14, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3204194
    • Patent number 3,204,194
    • Issue date Aug 31, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3191128
    • Patent number 3,191,128
    • Issue date Jun 22, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3167711
    • Patent number 3,167,711
    • Issue date Jan 26, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3151301
    • Patent number 3,151,301
    • Issue date Sep 29, 1964
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3094674
    • Patent number 3,094,674
    • Issue date Jun 18, 1963
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3092785
    • Patent number 3,092,785
    • Issue date Jun 4, 1963
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3044022
    • Patent number 3,044,022
    • Issue date Jul 10, 1962
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3024423
    • Patent number 3,024,423
    • Issue date Mar 6, 1962
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2999985
    • Patent number 2,999,985
    • Issue date Sep 12, 1961
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2986706
    • Patent number 2,986,706
    • Issue date May 30, 1961
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2968742
    • Patent number 2,968,742
    • Issue date Jan 17, 1961
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2949580
    • Patent number 2,949,580
    • Issue date Aug 16, 1960
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2944221
    • Patent number 2,944,221
    • Issue date Jul 5, 1960
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2902546
    • Patent number 2,902,546
    • Issue date Sep 1, 1959
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2882351
    • Patent number 2,882,351
    • Issue date Apr 14, 1959
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2843683
    • Patent number 2,843,683
    • Issue date Jul 15, 1958
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2818472
    • Patent number 2,818,472
    • Issue date Dec 31, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2802909
    • Patent number 2,802,909
    • Issue date Aug 13, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2801299
    • Patent number 2,801,299
    • Issue date Jul 30, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2790036
    • Patent number 2,790,036
    • Issue date Apr 23, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2786901
    • Patent number 2,786,901
    • Issue date Mar 26, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2773135
    • Patent number 2,773,135
    • Issue date Dec 4, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents