Impedance matching circuit for driving a speaker system
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United States of America Patent
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Apr 14, 2015
Grant Date -
Nov 20, 2014
app pub date -
May 15, 2014
filing date -
May 15, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An impedance matched resonant circuit uses inductors coupling an audio source and a speaker array in order to reduce feedback reflection induced by an audio signal traveling from the audio source to the array of speakers. An RC circuit could also be coupled to the positive and negative terminals of the speaker array to reduce the slope differential of the audio signal at certain frequencies. The circuit can be packaged together in a single module with switches to activate and deactivate portions of the circuit to alter the effectiveness of the circuit depending upon need.
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