Method and apparatus for attenuating of a broadcasting received signal for achieving a better distance resolution in monitoring systems
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United States of America Patent
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Jan 31, 2006
Grant Date -
Jan 20, 2005
app pub date -
Jul 16, 2003
filing date -
Jul 16, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A receiving unit and method for determining the distance of an object from a receiving unit in a monitoring system, the receiving unit receives transmitted signals, the receiving unit comprises an attenuating unit for attenuating the transmitted signals by a controlled factor; a receiver for receiving and processing the transmitted signals into readable data; a microcontroller for controlling the operation of the local monitoring unit; and an electronic circuitry for calculating the received strength signal indication, whereby the distance of an object from the receiving unit can be determined.
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