System with presence detector, method with presence detector, presence detector, radio receiver
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United States of America Patent
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Mar 3, 2015
Grant Date -
Apr 3, 2014
app pub date -
Aug 28, 2013
filing date -
Aug 10, 2007
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Abstract
The invention relates to a system and a method with at least one presence detector, wherein the presence detector has a radio transmitter. The system further comprises at least one radio receiver that is constructed in such a manner as to receive and evaluate signals of the presence detector transmitted via radio. The radio receiver further comprises at least one device that acts on downstream units as a function of the evaluation result.
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