Communication system for receiving and transmitting data using an acoustic data channel
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United States of America Patent
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Sep 14, 2010
Grant Date -
Jul 15, 2004
app pub date -
Nov 30, 2001
filing date -
Nov 30, 2000
priority date (Note) -
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Abstract
There is described a communication system in which data is received by and/or transmitted to a telecommunications apparatus using an acoustic data channel. In embodiments, the data is encoded within the audio track of a media broadcast or other public broadcast. The invention has particular, but not exclusive, relevance to a cellular communication system. There are also described acoustic position detection systems for determining the position of a telecommunications apparatus.
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