Tire condition monitoring apparatus and method
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United States of America Patent
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-
Aug 12, 2003
Grant Date -
Jun 27, 2002
app pub date -
Sep 20, 2001
filing date -
Dec 27, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In detecting which transmitter of several of transmitters has transmitted a radio signal based on digital data from an RF circuit, a main controller of a receiver consecutively sends activation commands to each of several control circuits such that only one of the control circuits is activated at a time. The main controller detects which of the antennas corresponds to the control circuit that was activated when the voltage level signal from the RF circuit was lowest, and judges that the detected antenna is closest to the transmitter that transmitted the radio wave. As a result, the power consumption is reduced, and the transmitter that transmitted the radio wave is accurately detected.
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