Tire condition monitoring apparatus

Details Tire condition monitoring apparatus Tire condition monitoring apparatus

2005-11-15

2005-11-15

Hofsass, Jeffery (Department: 2636)

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

C340S443000, C340S636210, C340S445000, C340S010100, C073S146500, C073S049000

Reexamination Certificate

active

06965306

ABSTRACT:
A transmitter, which is operated by a battery, wirelessly transmits data including data that represents the temperature T in a tire and data that represents the voltage V of the battery. A receiver judges whether or not the life of the battery is ending depending on the battery voltage V read from the received data. More specifically, the receiver performs the judgment regarding the life of the battery based on a comparison between the battery voltage V and a variable voltage reference value V0, which is selected in accordance with the temperature T in the tire. The judgment regarding the life of the battery is thus accurately performed.

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