Abnormal tire condition sensing system

Details Abnormal tire condition sensing system Abnormal tire condition sensing system

1976-03-29

1979-07-03

Caldwell, Sr., John W.

Communications: electrical

Selective

Having indication or alarm

731465, 200 6123, 310338, B60C 2306

Patent

active

041602340

ABSTRACT:
A self powered tire condition indicator system is disclosed. The system comprises a plurality of wheel mounted transmitting assemblies which communicate by a radio frequency transmission to a receiver located within the operator compartment of a vehicle. Each of the transmitting assemblies generates its own transmitting power by converting the mechanical compression of a flat tire into electrical energy. The electrical energy is used to generate an intermittent characteristic tone associated with a deflated tire condition by the frequency modulation of a carrier.

REFERENCES:
patent: 3185960 (1965-05-01), Howard
patent: 3588815 (1971-06-01), Koonce
patent: 3713092 (1973-01-01), Ivenbaun
patent: 3760351 (1973-09-01), Thomas
patent: 3786413 (1974-01-01), Ross et al.
patent: 3787806 (1974-01-01), Church
patent: 4075603 (1978-02-01), Snyder et al.
patent: 4117452 (1978-09-01), Snyder et al.

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