Lighting apparatus

Details Lighting apparatus Lighting apparatus

1992-11-18

1994-05-03

Bertsch, Richard A.

Illumination

Light source and modifier

Including reflector

362300, F21V 700

Patent

active

053093402

ABSTRACT:
There is provided a lighting apparatus comprising a light source, an ellipsoidal reflector having the first focal point at the light source, a spherical reflector having the center of sphere at the light source, a converging lens arranged at the outside of the spherical reflector and having a focal point thereof at the second focal point of the ellipsoid, and a light-controlling plate arranged in front of or at the back of the lighted object, so that the light beam projected on the part other than the effective lighted part of the lighted object is reflected by the light-controlling plate with various characteristics which are changeable such as the position or spectral distribution of the light resulting in lighting which is efficient and of uniform intensity and color on the lighted object.

REFERENCES:
patent: 3241440 (1966-03-01), Kugler
patent: 4460939 (1984-07-01), Murakami et al.
patent: 4771372 (1988-09-01), Litetar et al.
patent: 5117312 (1992-05-01), Dolan
patent: 5217299 (1993-06-01), Yoshida et al.
patent: 5235499 (1993-08-01), Bertenshaw

Affiliated with

Also associated with

Rating

Lighting apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Lighting apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lighting apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2119959