System and method for tire pressure monitoring using CDMA tire pressure signals
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United States of America Patent
Stats
-
Mar 8, 2005
Grant Date -
Apr 17, 2003
app pub date -
Oct 12, 2001
filing date -
Oct 12, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system and method for monitoring vehicle tire pressure. A tire monitor for each tire includes a pressure sensor for sensing tire pressure and a transmitter for transmitting a signal representative of the sensed tire pressure. A receiver for mounting on the vehicle receives the tire pressure signals. The transmitters and the receiver utilize code division multiple access (CDMA) for the tire pressure signals so that tire pressure signals transmitted simultaneously by the transmitters can be received by the receiver. A controller for mounting on the vehicle communicates with the receiver and collects and processes the tire pressure signals, and generates control signals for use in conveying tire pressure information to a vehicle occupant.
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