WIRELESS TIRE PRESSURE MONITOR SYSTEM
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United States of America Patent
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Issued Date -
Apr 22, 2010
app pub date -
Oct 20, 2008
filing date -
Oct 20, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A wireless tire pressure monitor system has multiple pressure sensors and at least one receiving module. The pressure sensors detect tire pressures and transmit wireless signals representing the tire pressure. The at least one receiving module is mounted on a chassis of a vehicle at a geometric center of the pressure sensors and has an annular antenna. The annular antenna receives wireless signals from the pressure sensors equally. Therefore, because distances between the receiving module and the pressure sensors are the same and the annular antenna has good receiving characteristics, the wireless tire pressure monitor system has a high hit ratio for receiving wireless signals.
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