Indicator light using light guiding unit

Details Indicator light using light guiding unit Indicator light using light guiding unit

2008-12-29

2010-06-01

Tso, Laura (Department: 2875)

Illumination

Light fiber, rod, or pipe

Light emitting diode

C362S800000, C362S030000, C362S026000, C362S612000

Reexamination Certificate

active

07726862

ABSTRACT:
An annular light guiding unit for portable electronic device comprises a first surface, a second surface located opposite to the first surface, and a wall connecting the first surface and the second surface together. The wall is defined a plurality of first wedged walls therein.

REFERENCES:
patent: 4079242 (1978-03-01), Seibel
patent: 5555161 (1996-09-01), Roe et al.
patent: 6874921 (2005-04-01), Verlage et al.
patent: 7195387 (2007-03-01), Gruhlke et al.
patent: 2006/0092619 (2006-05-01), Hsu et al.

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