A warning sign

G - Physics – 08 – B

Patent

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Details

G08B 5/36 (2006.01) B60Q 7/00 (2006.01) G09F 13/22 (2006.01)

Patent

CA 2201062

Disclosed is a warning sign capable of both emitting and reflecting light. The warning sign mainly includes a front member having luminance intensifying means and reflective panels, a middle circuit board having light-emitting diodes, and a back member having battery compartment, ON/OFF switch and power-supply plug. The reflective panels can reflect a light from an external light source and the luminance intensifying means can intensify light emitted by the light-emitting diodes to provide both passive and positive warning signals. The power-supply plug can be plugged into a cigarette igniter on a car as an alternative power source for the light-emitting diodes.

Avertisseur optique capable d'émettre et de réfléchir la lumière. L'avertisseur optique comprend essentiellement un élément avant doté d'un moyen d'amplification de la luminance et de panneaux réflecteurs, au centre une plaquette de circuits imprimés munie de diodes électroluminescentes, et un élément arrière ayant un compartiment à piles, un interrupteur ON/OFF et une fiche d'alimentation électrique. Les panneaux réflecteurs peuvent réfléchir la lumière provenant d'une source extérieure et le moyen d'amplification de la luminance peut intensifier la lumière émise par les diodes électroluminescentes pour fournir des signaux avertisseurs aussi bien passifs que positifs. La fiche d'alimentation peut se brancher dans l'allume-cigarette d'une voiture comme autre source d'alimentation pour les diodes électroluminescentes.

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