Illumination – Light modifier – Refractor
Patent
1991-08-21
1993-03-02
Cole, Richard R.
Illumination
Light modifier
Refractor
362268, 362 31, F21V 502
Patent
active
051903709
ABSTRACT:
A lighting element has a light source positioned so as to provide a beam of light at a grazing angle to a light extractor. The extractor has a plurality linear triangular prism on the side struck by the beam of light. The prisms lie in a smooth arcuate curve.
REFERENCES:
patent: 1245836 (1917-11-01), Waggoner
patent: 1944154 (1934-01-01), Dickson
patent: 2050429 (1936-08-01), Dorey et al.
patent: 2818500 (1957-12-01), Franck
patent: 2831394 (1958-04-01), Heenan et al.
patent: 3049616 (1962-08-01), Davis
patent: 3179796 (1965-04-01), Rolph
patent: 3383676 (1968-05-01), Nagel
patent: 3539799 (1970-11-01), Dangauthier
patent: 3716710 (1973-02-01), Clostermann et al.
patent: 3740119 (1973-06-01), Sakurai et al.
patent: 3764800 (1973-10-01), Clostermann
patent: 4118763 (1978-10-01), Osteen
patent: 4177505 (1979-12-01), Carel
patent: 4411493 (1983-10-01), Miller
patent: 4451875 (1984-05-01), Odle et al.
patent: 4497860 (1985-02-01), Brady
patent: 4498733 (1985-02-01), Flanagan
patent: 4530041 (1985-07-01), Yamai et al.
patent: 4799137 (1989-01-01), Aho
patent: 4805984 (1989-02-01), Cobb, Jr.
patent: 4874228 (1989-10-01), Aho et al.
patent: 4984144 (1991-01-01), Cobb, Jr. et al.
patent: 5040878 (1991-08-01), Eichenlaub
patent: 5054885 (1991-10-01), Melby
patent: 5064276 (1991-11-01), Endo et al.
patent: 5078675 (1992-01-01), Nakayama
Aho Kenneth A.
Cobb, Jr. Sanford
Miller Richard A.
Cole Richard R.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
LandOfFree
High aspect ratio lighting element does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with High aspect ratio lighting element, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High aspect ratio lighting element will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-123064