TREA

having discharge tubes

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  • CPC
  • H03G3/16
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Parent Industries

HELECTRICITY H03Electronic circuits H03GCONTROL OF AMPLIFICATION H03G3/00Gain control in amplifiers or frequency changers without distortion of the input signal

Current Industry

H03G3/16having discharge tubes
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Preamplifier circuit configuration
    • Patent number 10,998,866
    • Issue date May 4, 2021
    • Jack Kay
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3317852
    • Patent number 3,317,852
    • Issue date May 2, 1967
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3107333
    • Patent number 3,107,333
    • Issue date Oct 15, 1963
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3089099
    • Patent number 3,089,099
    • Issue date May 7, 1963
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3061801
    • Patent number 3,061,801
    • Issue date Oct 30, 1962
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    2813155
    • Patent number 2,813,155
    • Issue date Nov 12, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2719192
    • Patent number 2,719,192
    • Issue date Sep 27, 1955
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2536886
    • Patent number 2,536,886
    • Issue date Jan 2, 1951
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2358325
    • Patent number 2,358,325
    • Issue date Sep 19, 1944
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2344731
    • Patent number 2,344,731
    • Issue date Mar 21, 1944
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2331530
    • Patent number 2,331,530
    • Issue date Oct 12, 1943
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2297470
    • Patent number 2,297,470
    • Issue date Sep 29, 1942
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2272602
    • Patent number 2,272,602
    • Issue date Feb 10, 1942
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2262757
    • Patent number 2,262,757
    • Issue date Nov 18, 1941
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2250581
    • Patent number 2,250,581
    • Issue date Jul 29, 1941
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2237420
    • Patent number 2,237,420
    • Issue date Apr 8, 1941
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2226259
    • Patent number 2,226,259
    • Issue date Dec 24, 1940
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2185870
    • Patent number 2,185,870
    • Issue date Jan 2, 1940
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2159453
    • Patent number 2,159,453
    • Issue date May 23, 1939
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2134747
    • Patent number 2,134,747
    • Issue date Nov 1, 1938
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2130404
    • Patent number 2,130,404
    • Issue date Sep 20, 1938
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2115842
    • Patent number 2,115,842
    • Issue date May 3, 1938
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2114025
    • Patent number 2,114,025
    • Issue date Apr 12, 1938
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2063413
    • Patent number 2,063,413
    • Issue date Dec 8, 1936
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2026394
    • Patent number 2,026,394
    • Issue date Dec 31, 1935
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2024446
    • Patent number 2,024,446
    • Issue date Dec 17, 1935
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2023439
    • Patent number 2,023,439
    • Issue date Dec 10, 1935
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2014422
    • Patent number 2,014,422
    • Issue date Sep 17, 1935
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2000678
    • Patent number 2,000,678
    • Issue date May 7, 1935
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    1992433
    • Patent number 1,992,433
    • Issue date Feb 26, 1935
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents