Method and system for transmitting audio signals
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United States of America Patent
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May 15, 2012
Grant Date -
Apr 2, 2009
app pub date -
Aug 15, 2008
filing date -
Sep 27, 2007
priority date (Note) -
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Abstract
A system and method of transmitting audio signals. Frequency modulated carrier signals that each have an audio signal are mixed. The mixed signal is converted into a low voltage signal into which a feed voltage is coupled. The coupled signal is transmitted through a single line of a transmission cable to an audio signal infrared transmitter unit.
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