TREA

all amplifying stages having discharge tubes

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Industry

  • CPC
  • H03G9/28
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Parent Industries

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

Current Industry

H03G9/28all amplifying stages having discharge tubes
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2316474
    • Patent number 2,316,474
    • Issue date Apr 13, 1943
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2055790
    • Patent number 2,055,790
    • Issue date Sep 29, 1936
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents