TREA

having discharge tubes

Follow

Industry

  • CPC
  • H03G5/06
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

HELECTRICITY H03Electronic circuits H03GCONTROL OF AMPLIFICATION H03G5/00Tone control or bandwidth control in amplifiers

Current Industry

H03G5/06having discharge tubes
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Output tube bias selection apparatus for tone alteration in a tube-...
    • Patent number 5,546,046
    • Issue date Aug 13, 1996
    • Salvatore J. Trentino
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3449681
    • Patent number 3,449,681
    • Issue date Jun 10, 1969
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3403232
    • Patent number 3,403,232
    • Issue date Sep 24, 1968
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3393271
    • Patent number 3,393,271
    • Issue date Jul 16, 1968
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3289095
    • Patent number 3,289,095
    • Issue date Nov 29, 1966
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3116462
    • Patent number 3,116,462
    • Issue date Dec 31, 1963
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2983876
    • Patent number 2,983,876
    • Issue date May 9, 1961
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2914673
    • Patent number 2,914,673
    • Issue date Nov 24, 1959
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2901559
    • Patent number 2,901,559
    • Issue date Aug 25, 1959
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2802063
    • Patent number 2,802,063
    • Issue date Aug 6, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2800586
    • Patent number 2,800,586
    • Issue date Jul 23, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2780683
    • Patent number 2,780,683
    • Issue date Feb 5, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2761921
    • Patent number 2,761,921
    • Issue date Sep 4, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2745907
    • Patent number 2,745,907
    • Issue date May 15, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2680231
    • Patent number 2,680,231
    • Issue date Jun 1, 1954
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2626991
    • Patent number 2,626,991
    • Issue date Jan 27, 1953
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2593490
    • Patent number 2,593,490
    • Issue date Apr 22, 1952
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2579069
    • Patent number 2,579,069
    • Issue date Dec 18, 1951
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2571112
    • Patent number 2,571,112
    • Issue date Oct 16, 1951
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2569930
    • Patent number 2,569,930
    • Issue date Oct 2, 1951
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2563299
    • Patent number 2,563,299
    • Issue date Aug 7, 1951
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2555906
    • Patent number 2,555,906
    • Issue date Jun 5, 1951
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2547235
    • Patent number 2,547,235
    • Issue date Apr 3, 1951
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2547251
    • Patent number 2,547,251
    • Issue date Apr 3, 1951
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2512398
    • Patent number 2,512,398
    • Issue date Jun 20, 1950
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2505254
    • Patent number 2,505,254
    • Issue date Apr 25, 1950
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2500493
    • Patent number 2,500,493
    • Issue date Mar 14, 1950
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2491155
    • Patent number 2,491,155
    • Issue date Dec 13, 1949
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2484052
    • Patent number 2,484,052
    • Issue date Oct 11, 1949
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2411190
    • Patent number 2,411,190
    • Issue date Nov 19, 1946
    • H03 - BASIC ELECTRONIC CIRCUITRY