TREA

having discharge tubes

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  • CPC
  • H03G3/06
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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

H03G3/06having discharge tubes
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    High fidelity, professional grade microphone system for direct coup...
    • Patent number 10,412,477
    • Issue date Sep 10, 2019
    • Wade Goeke
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Guitar amplifier
    • Patent number 9,508,332
    • Issue date Nov 29, 2016
    • 3rd Power Amplification Systems
    • James Edward Scott
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Musical instrument master volume amplifier
    • Patent number 9,184,714
    • Issue date Nov 10, 2015
    • 3RD POWER AMPLIFICATION, LLC
    • James Edward Scott
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Speaker system and amplifier
    • Patent number 8,699,743
    • Issue date Apr 15, 2014
    • 3rd Power Amplication
    • Charles Edward Moomey
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Vacuum tube circuit
    • Patent number 7,397,303
    • Issue date Jul 8, 2008
    • KORG, Inc.
    • Fumio Mieda
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Reception device for microwave signals
    • Patent number 6,097,936
    • Issue date Aug 1, 2000
    • TRT Lucent Technologies SA
    • Claude Boulic
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3648179
    • Patent number 3,648,179
    • Issue date Mar 7, 1972
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3384831
    • Patent number 3,384,831
    • Issue date May 21, 1968
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3271519
    • Patent number 3,271,519
    • Issue date Sep 6, 1966
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3247462
    • Patent number 3,247,462
    • Issue date Apr 19, 1966
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3145347
    • Patent number 3,145,347
    • Issue date Aug 18, 1964
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3051912
    • Patent number 3,051,912
    • Issue date Aug 28, 1962
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3024424
    • Patent number 3,024,424
    • Issue date Mar 6, 1962
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2826717
    • Patent number 2,826,717
    • Issue date Mar 11, 1958
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2802069
    • Patent number 2,802,069
    • Issue date Aug 6, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2801302
    • Patent number 2,801,302
    • Issue date Jul 30, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2801301
    • Patent number 2,801,301
    • Issue date Jul 30, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2790970
    • Patent number 2,790,970
    • Issue date Apr 30, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2782266
    • Patent number 2,782,266
    • Issue date Feb 19, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2768248
    • Patent number 2,768,248
    • Issue date Oct 23, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2761918
    • Patent number 2,761,918
    • Issue date Sep 4, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2725469
    • Patent number 2,725,469
    • Issue date Nov 29, 1955
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2663003
    • Patent number 2,663,003
    • Issue date Dec 15, 1953
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2631200
    • Patent number 2,631,200
    • Issue date Mar 10, 1953
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2630498
    • Patent number 2,630,498
    • Issue date Mar 3, 1953
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2516556
    • Patent number 2,516,556
    • Issue date Jul 25, 1950
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2464594
    • Patent number 2,464,594
    • Issue date Mar 15, 1949
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2443864
    • Patent number 2,443,864
    • Issue date Jun 22, 1948
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2430699
    • Patent number 2,430,699
    • Issue date Nov 11, 1947
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2426680
    • Patent number 2,426,680
    • Issue date Sep 2, 1947
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents