Display device

Illumination – Illuminated scale or dial

Reexamination Certificate

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Details

C362S290000, C362S330000, C362S354000

Reexamination Certificate

active

06905219

ABSTRACT:
A display device having an indicator interposed between two light controlling elements. The light controlling elements act in cooperation to restrict the viewing angle of the display in at least two directions. Only one of the light collimating elements restricts the angle of ambient light entering the display.

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Visual Products Division-3M, “Light Control Film Improves Contrast, Reduces Glare and Established Contolled Viewing Angles”, 3M Industrial Optics Flyer.

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