System and method for remote tire pressure monitoring
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United States of America Patent
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Dec 26, 2006
Grant Date -
Sep 4, 2003
app pub date -
Nov 15, 2002
filing date -
Mar 1, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system and method for monitoring vehicle tire pressure. A tire pressure monitor for each tire includes a pressure sensor for sensing tire pressure, a transmitter for transmitting a tire pressure signal representative of the sensed tire pressure, and a batter providing power to the transmitter. To conserve battery power, each tire pressure signal transmitted by the transmitters includes a wake-up signal only when the vehicle has been stationary for a predetermined time period. The wake-up signal ensures receipt of the tire pressure signal by a vehicle mounted receiver alternating between active state and inactive states.
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