Pressure monitor

Details Pressure monitor Pressure monitor

1982-02-18

1985-01-15

Crosland, Donnie L.

Communications: electrical

Selective

Having indication or alarm

340510, 340626, 34087009, 34087016, 200 6122, 731465, B60C 2300

Patent

active

044941064

ABSTRACT:
A tire pressure monitor which includes a signal generating section and a signal processing section. The signal generating section has a transducer which produces a first signal which is dependent on the tire pressure, and a transistor the collector current of which is controlled by the first signal. The signal generating section is supplied with power from a battery source and the current so supplied includes the collector current and is therefore dependent on the tire pressure. The signal processing section includes a monitor which monitors the supply current to the signal generating section and a display for providing an indication of the tire pressure.

REFERENCES:
patent: 2669876 (1954-02-01), Lentz
patent: 3155938 (1964-11-01), Meyers
patent: 3281784 (1966-10-01), Farthing
patent: 4090172 (1978-05-01), Vesnic

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