Ring-shaped light emitting unit

Details Ring-shaped light emitting unit Ring-shaped light emitting unit

2006-12-12

2006-12-12

Husar, Stephen F (Department: 2875)

Illumination

Light fiber, rod, or pipe

C362S511000, C362S555000, C385S146000

Reexamination Certificate

active

07147356

ABSTRACT:
A ring-shaped light emitting unit comprising a ring-shaped light guiding member having a light emitting surface which continues in a direction in which the ring-shaped light guiding unit extends, and a light guiding path for introducing light of a light source into the ring-shaped light guiding member which is continuously connected to part of an outer circumference of the ring-shaped light guiding member, wherein the outer circumference of the ring-shaped light guiding member excluding a light inlet portion is truly round. In addition, an inner circumference of the ring-shaped light guiding member is also truly round. A center of the inner circumference of the ring-shaped light guiding member is located closer to an open end of the light guiding path than a center of the outer circumference of the ring-shaped light guiding member.

REFERENCES:
patent: 6874924 (2005-04-01), Hulse et al.
patent: 2002/0037134 (2002-03-01), Akamatsu et al.
patent: 2003-297107 (2003-10-01), None
patent: 2003-297108 (2003-10-01), None
patent: 2004-14122 (2004-01-01), None

Affiliated with

Also associated with

Rating

Ring-shaped light emitting unit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ring-shaped light emitting unit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ring-shaped light emitting unit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3719818