Illumination – Illuminated scale or dial
Reexamination Certificate
2005-06-14
2005-06-14
Cariaso, Alan (Department: 2875)
Illumination
Illuminated scale or dial
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.
Cariaso Alan
Miller William D.
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