Combined optical light pipe and protective enclosure
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 22, 2004
Grant Date -
May 22, 2003
app pub date -
Nov 19, 2001
filing date -
Nov 19, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A light pipe, including a transparent housing member characterized by a first refractive index, a light source positioned to shine a light beam through the transparent housing member, and at least one enclosed pocket positioned within the transparent member. The enclosed pocket is characterized by a second refractive index, wherein the first refractive index is substantially greater than the second refractive index. Light shining through the transparent member is totally internally reflected by the enclosed pocket.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully