TIRE CONDITION MONITORING APPARATUS WITH KEYLESS ENTRY FUNCTION
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United States of America Patent
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Issued Date -
Jun 23, 2011
app pub date -
Dec 16, 2010
filing date -
Dec 18, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A tire condition monitoring apparatus including a keyless entry portable communication device capable of transmitting and receiving RF signals, sensor units, each of which is attached to a wheel and transmits, as an RF signal, a tire condition data signal, out-of-cabin antennas each corresponding to the wheel, and a control unit mounted on a vehicle body. The control unit executes a keyless entry function based on transmission and reception of RF signals with the portable communication device via the out-of-cabin antennas, and sends a command signal, which is an RF signal, to the sensor units through the out-of-cabin antennas. Upon receiving the command signal, the sensor unit executes an operation that corresponds to the command content of the command signal.
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