Communications: electrical – Selective – Having indication or alarm
Patent
1979-02-23
1980-12-16
Waring, Alvin H.
Communications: electrical
Selective
Having indication or alarm
340539, 455 40, 455 99, B60C 2304
Patent
active
042400619
ABSTRACT:
A system for conveying to the driver of a vehicle information concerning the physical state of a tire, such as its inflation pressure, comprising an electrical signaling device mounted on the wheel and arranged to transmit signals to the driver via a circuit including a conduction path through the ground or road surface on which the vehicle is supported.
REFERENCES:
patent: 3895347 (1975-07-01), Takusagawa et al.
patent: 3950726 (1976-04-01), Fujikawa et al.
Dunlop Limited
Waring Alvin H.
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