TREA

for tone control and volume expansion or compression

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Industry

  • CPC
  • H03G9/10
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Parent Industries

HELECTRICITY H03Electronic circuits H03GCONTROL OF AMPLIFICATION H03G9/00Combinations of two or more types of control

Current Industry

H03G9/10for tone control and volume expansion or compression
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Techniques for distortion reducing multi-band compressor with timbr...
    • Patent number 10,680,569
    • Issue date Jun 9, 2020
    • Dolby Laboratories Licensing Corporation
    • Alan J. Seefeldt
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Techniques for distortion reducing multi-band compressor with timbr...
    • Patent number 10,256,785
    • Issue date Apr 9, 2019
    • Dolby Laboratories Licensing Corporation
    • Alan Jeffrey Seefeldt
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Techniques for distortion reducing multi-band compressor with timbr...
    • Patent number 9,935,599
    • Issue date Apr 3, 2018
    • Dolby Laboratories Licensing Corporation
    • Alan J. Seefeldt
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Audio signal processing device and audio signal processing method
    • Patent number 8,761,406
    • Issue date Jun 24, 2014
    • Sony Corporation
    • Kazunobu Ohkuri
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Volume and compression control in movie theaters
    • Patent number 7,551,745
    • Issue date Jun 23, 2009
    • Dolby Laboratories Licensing Corporation
    • Kenneth James Gundry
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3685009
    • Patent number 3,685,009
    • Issue date Aug 15, 1972
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2606971
    • Patent number 2,606,971
    • Issue date Aug 12, 1952
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2557009
    • Patent number 2,557,009
    • Issue date Jun 12, 1951
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2325512
    • Patent number 2,325,512
    • Issue date Jul 27, 1943
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2305905
    • Patent number 2,305,905
    • Issue date Dec 22, 1942
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2262846
    • Patent number 2,262,846
    • Issue date Nov 18, 1941
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2250596
    • Patent number 2,250,596
    • Issue date Jul 29, 1941
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2247085
    • Patent number 2,247,085
    • Issue date Jun 24, 1941
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2233769
    • Patent number 2,233,769
    • Issue date Mar 4, 1941
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2221541
    • Patent number 2,221,541
    • Issue date Nov 12, 1940
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2177050
    • Patent number 2,177,050
    • Issue date Oct 24, 1939
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2171671
    • Patent number 2,171,671
    • Issue date Sep 5, 1939
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2150567
    • Patent number 2,150,567
    • Issue date Mar 14, 1939
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2129074
    • Patent number 2,129,074
    • Issue date Sep 6, 1938
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2113395
    • Patent number 2,113,395
    • Issue date Apr 5, 1938
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2111589
    • Patent number 2,111,589
    • Issue date Mar 22, 1938
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2105558
    • Patent number 2,105,558
    • Issue date Jan 18, 1938
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2098405
    • Patent number 2,098,405
    • Issue date Nov 9, 1937
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2096758
    • Patent number 2,096,758
    • Issue date Oct 26, 1937
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2096760
    • Patent number 2,096,760
    • Issue date Oct 26, 1937
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2052110
    • Patent number 2,052,110
    • Issue date Aug 25, 1936
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2008825
    • Patent number 2,008,825
    • Issue date Jul 23, 1935
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2009229
    • Patent number 2,009,229
    • Issue date Jul 23, 1935
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2008702
    • Patent number 2,008,702
    • Issue date Jul 23, 1935
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2008708
    • Patent number 2,008,708
    • Issue date Jul 23, 1935
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents