Communications: electrical – Land vehicle alarms or indicators – External signal light system
Patent
1992-08-31
1994-09-06
Crosland, Donnie L.
Communications: electrical
Land vehicle alarms or indicators
External signal light system
340464, 340472, B60Q 144
Patent
active
053452186
ABSTRACT:
A vehicle having left and right lower rear brake lights and a center high-mounted stop lamp (CHMSL) flashes the CHMSL when brakes are initially applied. The lower brake lights do not automatically flash. After a predetermined duration, the CHMSL remains continuously activated until brakes are removed. A semiconductor oscillator circuit is configured to be energized when brakes are applied. It produces an oscillating signal which is responsible for causing the CHMSL to flash. A semiconductor timer circuit is also configured to be energized when brakes are applied. It produces a time out signal which activates a predetermined duration after brakes are applied and which is responsible for causing the CHMSL to remain continuously activated. The outputs of the oscillator and timer circuits are combined at a semiconductor switch which drives the CHMSL.
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Stargiotti Robert
Woods Daniel S.
Crosland Donnie L.
Flickinger Don J.
Gresham Lowell W.
Meschkow Jordan M.
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