Communications: electrical – Land vehicle alarms or indicators – External signal light system
Patent
1995-09-26
1997-02-25
Hofsass, Jeffery
Communications: electrical
Land vehicle alarms or indicators
External signal light system
340463, 340467, 340468, B60Q 144
Patent
active
056063105
ABSTRACT:
A safety braking control for use with a vehicle for providing a visual warning of hard braking to a rearwardly positioned driver of another vehicle, the safety braking control includes an electrical hydraulic pressure transducer forming an analog electrical signal between the hydraulic braking system of the vehicle and a brake light control mechanism providing a significant electrical signal when hydraulic braking pressure is low and a lesser electrical signal when the hydraulic braking pressure is high; a brake light control mechanism in the electrical circuit between the vehicle foot pedal brake switch and vehicle brake lights, the brake light control mechanism having a normal braking mode of operation for allowing the vehicle brake lights to be constantly illuminated upon receipt of a higher electric signal from the transducer and a hard braking mode of operation for allowing the vehicle brake lights to be rapidly flashed upon receipt of a determined lesser electrical signal from the transducer.
REFERENCES:
patent: 3708782 (1973-01-01), Mori
patent: 3710315 (1973-01-01), Scherenberg
patent: 3846749 (1974-11-01), Curry
patent: 4083032 (1978-04-01), Nakamura et al.
patent: 4231013 (1980-10-01), Freeman et al.
patent: 4878042 (1989-10-01), Eggiman et al.
patent: 5150098 (1992-09-01), Rakow
patent: 5207095 (1993-05-01), Teare et al.
patent: 5504472 (1996-04-01), Wilson
Egger Christopher M.
Egger Lori D.
Hofsass Jeffery
Trieu Van T.
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