Multiple viewing angle cover having integral light pipe

Details Multiple viewing angle cover having integral light pipe Multiple viewing angle cover having integral light pipe

2005-08-30

2005-08-30

Font, Frank G. (Department: 2883)

Optical waveguides

Noncyclindrical or nonplanar shaped waveguide

C385S092000, C385S134000

Reexamination Certificate

active

06937812

ABSTRACT:
An electronic device using total internal reflection to guide light from a light source housed within the electronic device to the surface of the device. The electronic device has a cover secured to a protective housing to form a protective enclosure for the electronic device. The cover is adapted to use total internal reflection to guide light through the cover to a plurality of surface portion of the cover. A second surface portion of the cover is adapted to totally internally reflect a first portion of the light to the first surface portion.

REFERENCES:
patent: 3576563 (1971-04-01), Scott et al.
patent: 5806955 (1998-09-01), Parkyn et al.
patent: 6204501 (2001-03-01), Cutler

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