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  • H03G5/08
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Parent Industries

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

Current Industry

H03G5/08incorporating negative feedback
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Sound quality regulation apparatus
    • Patent number 6,590,984
    • Issue date Jul 8, 2003
    • Rohm Co., Ltd.
    • Shigeji Ohama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3407360
    • Patent number 3,407,360
    • Issue date Oct 22, 1968
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

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

    3059190
    • Patent number 3,059,190
    • Issue date Oct 16, 1962
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3029317
    • Patent number 3,029,317
    • Issue date Apr 10, 1962
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

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

    2876299
    • Patent number 2,876,299
    • Issue date Mar 3, 1959
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2756287
    • Patent number 2,756,287
    • Issue date Jul 24, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2752432
    • Patent number 2,752,432
    • Issue date Jun 26, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2744971
    • Patent number 2,744,971
    • Issue date May 8, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2724807
    • Patent number 2,724,807
    • Issue date Nov 22, 1955
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2695337
    • Patent number 2,695,337
    • Issue date Nov 23, 1954
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2658958
    • Patent number 2,658,958
    • Issue date Nov 10, 1953
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2572544
    • Patent number 2,572,544
    • Issue date Oct 23, 1951
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2559888
    • Patent number 2,559,888
    • Issue date Jul 10, 1951
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2547739
    • Patent number 2,547,739
    • Issue date Apr 3, 1951
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2514267
    • Patent number 2,514,267
    • Issue date Jul 4, 1950
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2506365
    • Patent number 2,506,365
    • Issue date May 2, 1950
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2503787
    • Patent number 2,503,787
    • Issue date Apr 11, 1950
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2494426
    • Patent number 2,494,426
    • Issue date Jan 10, 1950
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2455501
    • Patent number 2,455,501
    • Issue date Dec 7, 1948
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2452499
    • Patent number 2,452,499
    • Issue date Oct 26, 1948
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2444076
    • Patent number 2,444,076
    • Issue date Jun 29, 1948
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2433330
    • Patent number 2,433,330
    • Issue date Dec 30, 1947
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2408242
    • Patent number 2,408,242
    • Issue date Sep 24, 1946
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2354680
    • Patent number 2,354,680
    • Issue date Aug 1, 1944
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2352931
    • Patent number 2,352,931
    • Issue date Jul 4, 1944
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2320555
    • Patent number 2,320,555
    • Issue date Jun 1, 1943
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    2320558
    • Patent number 2,320,558
    • Issue date Jun 1, 1943
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2289821
    • Patent number 2,289,821
    • Issue date Jul 14, 1942
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    Sound quality regulation apparatus
    • Publication number 20020102001
    • Publication date Aug 1, 2002
    • ROHM CO., LTD.
    • Shigeji Ohama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE