| 摘要 |
A tire parameter sensor unit for monitoring one or more vehicle tire parameters such as internal tire pressure and temperature and developing a permanent log of the operational history of the tire. The sensor unit has a power system, a processor/transmitter, a radio time clock, one or more sensors, and a memory mounted on a substrate. This assembly is permanently attached to the tire in the side wall or tread wall. Initial tire identification information is stored in the memory upon tire fabrication. During the lifetime of the tire, operational information specifying the tire operating conditions (pressure, temperature, etc.) is permanently stored in the memory along with real time data. The operational information and real time data can be read out from memory to provide the history log.
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