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fixed equalisers

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  • CPC
  • H04B3/147
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Parent Industries

HELECTRICITY H04Electric communication H04BTRANSMISSION H04B3/00Line transmission systems

Current Industry

H04B3/147fixed equalisers
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Circuit and method for correcting distortion in a digital audio system
    • Patent number 4,764,938
    • Issue date Aug 16, 1988
    • Meyer Sound Laboratories, Inc.
    • John D. Meyer
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Linear phase filter with self-equalized group delay
    • Patent number 4,395,688
    • Issue date Jul 26, 1983
    • Harris Corporation
    • Robert W. Sellers
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Split phase delay equalizer with reduced insertion loss
    • Patent number 4,356,460
    • Issue date Oct 26, 1982
    • Rockwell International Corporation
    • Vernon R. Cunningham
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Split phase delay equalizer with single transformer and adjustment...
    • Patent number 4,352,075
    • Issue date Sep 28, 1982
    • Rockwell International Corporation
    • Vernon R. Cunningham
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Split phase delay equalizer with stray reactance compensation
    • Patent number 4,345,222
    • Issue date Aug 17, 1982
    • Rockwell International Corporation
    • Vernon R. Cunningham
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3736517
    • Patent number 3,736,517
    • Issue date May 29, 1973
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3673520
    • Patent number 3,673,520
    • Issue date Jun 27, 1972
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3518581
    • Patent number 3,518,581
    • Issue date Jun 30, 1970
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2153857
    • Patent number 2,153,857
    • Issue date Apr 11, 1939
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1866601
    • Patent number 1,866,601
    • Issue date Jul 12, 1932
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1835930
    • Patent number 1,835,930
    • Issue date Dec 8, 1931
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1798243
    • Patent number 1,798,243
    • Issue date Mar 31, 1931
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1770422
    • Patent number 1,770,422
    • Issue date Jul 15, 1930
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1735052
    • Patent number 1,735,052
    • Issue date Nov 12, 1929
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1732312
    • Patent number 1,732,312
    • Issue date Oct 22, 1929
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1709037
    • Patent number 1,709,037
    • Issue date Apr 16, 1929
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1683725
    • Patent number 1,683,725
    • Issue date Sep 11, 1928
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1675460
    • Patent number 1,675,460
    • Issue date Jul 3, 1928
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1638536
    • Patent number 1,638,536
    • Issue date Aug 9, 1927
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1633615
    • Patent number 1,633,615
    • Issue date Jun 28, 1927
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents