Illuminated knob assembly

B - Operations – Transporting – 60 – Q

Patent

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Details

B60Q 3/00 (2006.01) B60K 37/06 (2006.01) H01H 9/16 (2006.01)

Patent

CA 2225979

The control knob includes a chamber into which a translucent polycarbonate jewel light pipe assembly of a first color, such as blue, and a translucent polycarbonate jewel cap of a second color, such as white, are inserted. The jewel cap is engaged against said jewel light pipe assembly and includes a bulbous portion which protrudes or stands proud through an axially oriented slot in the sidewalls of the control knob thereby forming an indicator for the control knob. In ambient illumination, such as during the day, the indicator appears to be the color of the jewel cap, such as white. However, when the dashboard is electrically illuminated, such as during the night, the illumination is collected by the jewel light pipe, and the color of the jewel light pipe assembly, such as blue or blue-green, is projected through the cap assembly and the indicator appears to be blue or blue green.

La présente invention a pour objet un bouton de commande comportant un logement à l'intérieur duquel un transducteur de lumière d'une première couleur, bleu par exemple, et une chape translucide en polycarbonate d'une deuxième couleur, blanc par exemple, sont insérés. La chape est en engagement avec le transducteur de lumière et présente une partie bulbeuse en saillie à travers une fente axiale pratiquée dans une paroi latérale du bouton de commande et faisant office d'indicateur de l'emplacement du bouton de commande. En situation d'illumination ambiante, à la lumière du jour par exemple, l'indicateur est de la couleur de la chape, blanc par exemple. Lorsque le tableau de bord est sous éclairage électrique, durant la nuit par exemple, la lumière d'éclairement, bleu ou vert-bleu par exemple, est recueillie par le transducteur de lumière et projetée à travers la chape, ce qui donne à l'indicateur une couleur bleue ou vert-bleu.

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