| 摘要 |
PROBLEM TO BE SOLVED: To properly mount a sensor device on a vehicle in accordance with a destination, carry out an excellent operation for a long time, and easily find an abnormal tire, in a tire air pressure abnormality alarm system which detects an abnormality of a tire air pressure based on a tire air pressure data transmitted from a sensor device mounted on a tire. SOLUTION: A sensor device 10 attached to a tire and transmitting a tire air pressure is instructed through a remote control and transmits a destination data, and a sensor data comprising a registration flag, a stop flag, a start flag, and data indicating an identification indication applied to the sensor device 10 in addition to a self identification number data representing the sensor device 10. A destination, registration of a self identification number, stop/start of an operation of the sensor device 10, and the sensor device 10 attached to a tire whose air pressure is abnormal can be recognized based on the transmitted sensor data.
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