Illumination – Illuminated scale or dial – Internal light source
Patent
1997-09-04
1999-03-02
Sember, Thomas M.
Illumination
Illuminated scale or dial
Internal light source
362 84, 200314, 338114, G01D 1128
Patent
active
058761063
ABSTRACT:
An illuminated controller having a membrane potentiometer for use as a light dimmer or other voltage controlling device. The controller has a backplate that acts as a sturdy base, and a cover, having sidewalls and a top wall with a central opening. The cover is mounted on the backplate and a layered structure is interposed between the cover and backplate. The layered structure includes a membrane potentiometer for varying voltage, and an electroluminescent panel, for generating light to illuminate the controller.
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Bourgeois Mark P.
CTS Corporation
Sember Thomas M.
Starkweather Michael W.
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