TIRE AIR PRESSURE MONITOR DEVICE

摘要

The rotational positions of vehicle wheels when a wireless signal containing certain identifying information is transmitted are acquired at multiple different vehicle speeds and stored as rotational position data of the vehicle wheels, and the vehicle wheel position that is determined to be the vehicle wheel position of a transmitter corresponding to the identifying information is the vehicle wheel position that corresponds to the rotational position data wherein the rotational positions change characteristic relative to vehicle speed in the rotational position data is nearest to a predetermined characteristic set in advance.