TREA

in discharge-tube amplifiers

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  • CPC
  • H03F1/33
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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

H03F1/33in discharge-tube amplifiers
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Analog amplification vacuum tube
    • Patent number 11,062,871
    • Issue date Jul 13, 2021
    • Noritake Co., Limited
    • Kazunori Tatsuda
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Low voltage tube circuits
    • Patent number 10,216,205
    • Issue date Feb 26, 2019
    • Ronald Quan
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Single-ended screen-regulated cathode-follower output stage for hig...
    • Patent number 7,511,571
    • Issue date Mar 31, 2009
    • Scott Frankland
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Input/output signals preserver circuit of amplification circuits
    • Patent number 7,511,573
    • Issue date Mar 31, 2009
    • Jong-Ryul Lee
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    High performance short-wave broadcasting transmitter optimized for...
    • Patent number 6,993,086
    • Issue date Jan 31, 2006
    • Thomson-CSF
    • Pierre-André Laurent
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Tube type power amplifier with distortion control
    • Patent number 5,668,499
    • Issue date Sep 16, 1997
    • Peavey Electronics Corporation
    • James Robert Albert
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Output power selection apparatus for a tube-type audio amplifier
    • Patent number 5,550,509
    • Issue date Aug 27, 1996
    • Salvatore J. Trentino
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Amplitude-modulated broadcast transmitter for various types of modu...
    • Patent number 5,438,686
    • Issue date Aug 1, 1995
    • Thomcast AG
    • Patrick Gehri
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electronic amplification systems
    • Patent number 4,359,695
    • Issue date Nov 16, 1982
    • The Marconi Company Limited
    • Roger E. J. Gerard
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Amplifiers
    • Patent number 4,359,696
    • Issue date Nov 16, 1982
    • The Marconi Company Limited
    • Roger E. J. Gerard
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3624539
    • Patent number 3,624,539
    • Issue date Nov 30, 1971
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3512102
    • Patent number 3,512,102
    • Issue date May 12, 1970
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3341777
    • Patent number 3,341,777
    • Issue date Sep 12, 1967
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3213387
    • Patent number 3,213,387
    • Issue date Oct 19, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3202928
    • Patent number 3,202,928
    • Issue date Aug 24, 1965
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3173095
    • Patent number 3,173,095
    • Issue date Mar 9, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3172029
    • Patent number 3,172,029
    • Issue date Mar 2, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3148537
    • Patent number 3,148,537
    • Issue date Sep 15, 1964
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3119969
    • Patent number 3,119,969
    • Issue date Jan 28, 1964
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3061794
    • Patent number 3,061,794
    • Issue date Oct 30, 1962
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2999986
    • Patent number 2,999,986
    • Issue date Sep 12, 1961
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2951903
    • Patent number 2,951,903
    • Issue date Sep 6, 1960
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2944222
    • Patent number 2,944,222
    • Issue date Jul 5, 1960
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2866849
    • Patent number 2,866,849
    • Issue date Dec 30, 1958
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2857479
    • Patent number 2,857,479
    • Issue date Oct 21, 1958
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2831928
    • Patent number 2,831,928
    • Issue date Apr 22, 1958
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2807665
    • Patent number 2,807,665
    • Issue date Sep 24, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2776410
    • Patent number 2,776,410
    • Issue date Jan 1, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2772329
    • Patent number 2,772,329
    • Issue date Nov 27, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2771586
    • Patent number 2,771,586
    • Issue date Nov 20, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents