Programmable dichromatic legend lighted switches

Details Programmable dichromatic legend lighted switches Programmable dichromatic legend lighted switches

2005-03-15

2008-11-18

Owens, Douglas W. (Department: 2821)

Electric lamp and discharge devices: systems

Plural load device systems

C362S800000

Reexamination Certificate

active

07453218

ABSTRACT:
Illumination color for a dedicated legend display area of an illuminated pushbutton switch may be programmed by controlling application of the driving voltage to one of two or more different groups of interleaved LEDs alternately illuminating the display area. Each of the different LED groups illuminates the display area with a different color, produced by different color LEDs, filtering of individual LEDs within each group, or dip-coating the LEDs. Application of the driving voltage to different switch input pins causes the legend to be illuminated by different LED groups in different colors, reflecting different conditions.

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