Communications: electrical – Selective – Having indication or alarm
Patent
1978-08-17
1980-10-28
Caldwell, Sr., John W.
Communications: electrical
Selective
Having indication or alarm
340 66, 340 71, 340669, B60Q 126, B60Q 144
Patent
active
042310130
ABSTRACT:
A system whereby intensity of illumination of vehicle brake lights is increased responsively to relatively increased force applied on the vehicle brake pedal. A transducer installed in the pressurized brake fluid line produces an output signal proportionate to the braking force; which signal is utilized by circuitry to control the illumination of the brake lights to communicate to following drivers not only the fact that the brakes are being applied, but also the relative force of application for indicating the degree of travel arrest.
REFERENCES:
patent: 3528056 (1970-09-01), Voevodsky
patent: 3846749 (1974-11-01), Curry
patent: 4107647 (1978-08-01), Yoshino
Freeman William H.
Golden David C.
Caldwell Sr. John W.
Crosland Donnie L.
Freeman William H.
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