Audio signal switcher
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United States of America Patent
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Mar 29, 2011
Grant Date -
Sep 23, 2010
app pub date -
May 31, 2010
filing date -
Jan 5, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An audio signal switcher includes a jack switcher and a plug switcher. The jack switcher includes an audio jack and a first USB port. The first USB port includes a first data pin, a second data pin, a power pin, and a ground pin. The audio jack includes a left track segment, a right track segment, and a ground segment, which are isolated coupled to at least three pins of the first USB port. The plug switcher includes an audio plug and a second USB port. The audio plug includes a left track segment and a right track segment which are coupled to a first data pin and a second data pin of the second USB port, respectively. The plug also includes a ground segment divided into a left ground ring and a right ground ring which are connected together to couple to a ground pin of the USB port.
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