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Method and apparatus for reducing the attenuation and phase shift of low frequency components of audio signals

  • US 5,123,052 A
  • Filed: 02/01/1990
  • Issued: 06/16/1992
  • Est. Priority Date: 02/01/1990
  • Status: Expired due to Term
First Claim
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1. An audio frequency signal transmission line having an input impedance for transmitting audio frequency signals from a source of audio signals to a load comprising:

  • a first and second continuous electrical conductor having no discrete resistive, capacitive or inductive components located between the ends thereof; and

    means for providing a capacitance coupled in parallel with at least one of said conductors such that a first and a second node at which the input impedance of said line changes from being an inductive impedance to a capacitive impedance and from a capacitive impedance to an inductive impedance, respectively, are located substantially outside of the audio frequency spectrum.

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