Speed-control system for an engine-powered vehicle

Details Speed-control system for an engine-powered vehicle Speed-control system for an engine-powered vehicle

1977-06-06

1979-01-23

Waring, Alvin H.

Communications: electrical

Selective

Having indication or alarm

340 63, 340670, 180110, B60Q 154

Patent

active

041363310

ABSTRACT:
The device includes a speedometer in an automobile, having a speed scale and a pointer; the speedometer has photo-electric means and a shield on the pointer to interrupt the light rays in the photo-electric means, above a predetermined speed, for effecting warning signals or inhibiting excess speed; the PE arrangement eliminates mechanical contacts in the speedometer; the warning signals include external warning light viewable by others than those in the automobile such as other drivers and the traffic police, and includes a shifting down of automatic trasmission, for reducing speed; other forms of the invention are adapted to industrial installations.

REFERENCES:
patent: 2452344 (1948-10-01), Addorisio
patent: 2831546 (1958-04-01), Henderson
patent: 3732539 (1973-05-01), Easterly

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