Light guide with indirect light source

Details Light guide with indirect light source Light guide with indirect light source

2006-03-29

2008-12-30

O'Shea, Sandra (Department: 2875)

Illumination

Illuminated scale or dial

Internal light source

C362S027000, C362S612000, C362S613000

Reexamination Certificate

active

07470034

ABSTRACT:
An embodiment of the invention is an improved light guide having one or more light sources inserted into the light guide such that the light sources are perpendicular to the main axis of the light guide. The light sources are inserted into a cavity within the outer wall of the light guide. The cavity is positioned at one end of the light guide.

REFERENCES:
patent: 4096550 (1978-06-01), Boller et al.
patent: 4257084 (1981-03-01), Reynolds
patent: 4714983 (1987-12-01), Lang
patent: 5664862 (1997-09-01), Redmond et al.
patent: 7125152 (2006-10-01), Lin et al.
patent: 7175329 (2007-02-01), Chou
patent: 2006/0158901 (2006-07-01), Wang

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