A tire monitor system and method rely on only two RF detector mounted on the vehicle, one in close proximity to one of the front wheels and the other in close proximity to one of the rear wheels. An RF detector can distinguish between its local transmitter and the other transmitter on the same axle by...http://www.google.com/patents/US6882270?utm_source=gb-gplus-sharePatent US6882270 - Determination of wheel sensor position using radio frequency detectors in an automotive remote tire monitor system
