Vehicle acceleration monitoring device

Details Vehicle acceleration monitoring device Vehicle acceleration monitoring device

1979-10-23

1981-12-01

Waring, Alvin H.

Communications: electrical

Selective

Having indication or alarm

340 53, 340669, 200 6145R, B60Q 900

Patent

active

043039065

ABSTRACT:
Apparatus for monitoring the manner in which a vehicle is driven. The apparatus includes a number of switches which are arranged to detect excessive accelerative forces in chosen horizontal directions and in the vertical direction. Each switch includes a capsule with mercury sealed inside the capsule and is so arranged that contacts at the lower end of the capsule are normally bridged by the mercury but are open circuited when the mercury is subjected to a predetermined accelerative force and so is moved upwardly in the capsule. Detectors sense the open circuiting of a switch and after an optional delay period cause an alarm to be sounded and advance a counter.

REFERENCES:
patent: 3538496 (1970-11-01), Bumpous
patent: 4101869 (1978-07-01), Henderson

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