Unique header format for TPMS and SMART entry system
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United States of America Patent
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May 21, 2013
Grant Date -
Dec 15, 2011
app pub date -
Aug 5, 2010
filing date -
Jun 15, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A vehicle entry/tire pressure management system includes an ECU, tire sensors mounted in, on or adjacent respective tires of the vehicle, a portable transmission/reception unit configured to be carried by an operator of the vehicle, and an antenna mounted on the vehicle and in communication with the ECU. Each tire sensor is configured to transmit an RF signal. The portable transmission/reception unit can transmit RF signals for controlling operations of the vehicle including unlocking doors of the vehicle. The antenna is configured to transmit an LF tire sensor wake up field to wake up the tire sensors. The tire sensor wake up field includes a unique header format. The tire sensors only fully wake up upon receiving the unique header format.
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