Communication between an accessory and a media player with multiple protocol versions
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United States of America Patent
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Dec 20, 2011
Grant Date -
Aug 13, 2009
app pub date -
Apr 15, 2009
filing date -
Apr 27, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
An interface and protocol allow a media player to communicate with external accessories over a transport link. The protocol includes a core protocol functionality and a number of accessory lingoes. Examples of accessory lingoes include a microphone lingo, a simple remote lingo, a display remote lingo, an RF transmitter lingo, and an extended interface lingo.
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