Communications: electrical – Land vehicle alarms or indicators – External signal light system
Patent
1994-12-16
1997-07-15
Hofsass, Jeffery
Communications: electrical
Land vehicle alarms or indicators
External signal light system
340464, 340479, B60Q 126
Patent
active
056487568
ABSTRACT:
The Third Brake Light and Illuminated Message Combination of this invention is powered by the vehicle battery and features a rotatable light box with a number of plane facets consisting of translucent, red-tinted, windows, each of which holds a different transparent strip with a message or graphic. The light box is placed on the rear window shelf of the vehicle. When the vehicle brakes are applied, electric lamps attached to a reflector inside the light box illuminate solely the facet and attached message which face to the rear where they can be seen by the driver of the following car. The number of facets can vary from two to eight. A control unit on the dashboard is wired to an actuator on the light box to permit the driver to rotate the light box to display different messages. The circuitry also illuminates a light panel on the control unit to indicate continuously which message is on display. The indicator light may be turned off by the driver, but will still light up every time the brakes are applied. The preferred embodiment uses a solenoid-and- ratchet type actuator to rotate the light box, combined with a rotary switch for the indicator circuit. This invention has the advantages of simplicity, high reliability, low manufacturing cost, ease of installation and straightforward operation.
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Hofsass Jeffery
Lieu Julie B.
Unterberg Walter
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