Illumination device for simulating neon or similar lighting in the shape of a toroid
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United States of America Patent
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Jun 12, 2007
Grant Date -
Jan 4, 2007
app pub date -
Jun 1, 2006
filing date -
Jun 10, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An illumination device has a light-transmitting member formed in the shape of a toroid having a light-receiving surface and a light-emitting surface, the light-transmitting member defining a central axis, a light source located along the light-transmitting member central axis, and a light-directing housing for guiding light from the light source into the light-receiving surface of the light-transmitting member. The light-transmitting member may have optical waveguide and light-scattering characteristics, whereby the light-transmitting member emits light having a substantially uniform intensity along the light-emitting surface. The light-directing housing has a top reflector member and a bottom reflector member positioned on opposing side of the light source and cooperating with the light-transmitting member such that light is emitted only through the light-transmitting member.
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