| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a tire air pressure transmission device and a tire air pressure monitor system that can suppress the power consumption of the device. <P>SOLUTION: A tire air pressure transmission device is configured to determine the rotation position of the tire air pressure transmission device from the gravity acceleration component of acceleration in a centrifugal force direction when tire air pressure information is transmitted, and to transmit, using a wireless signal and at a prescribed cycle, the tire air pressure information and rotation position information of tire air pressure transmission device. <P>COPYRIGHT: (C)2013,JPO&INPIT |
