Illuminating device and projector utilizing the same

Optics: image projectors – Composite projected image – Multicolor picture

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

353122, 362308, G03B 2100

Patent

active

056928190

ABSTRACT:
A projector comprising a light source having first and second high-luminance light emitting areas, an illuminating optical system for directing the light, from said light source, toward an object to be illuminated, wherein said first and second high-luminance light-emitting areas are positioned on the optical axis of said illuminating optical system, and a projection optical system for projecting the light emerging from said illuminated object, wherein said illuminating optical system is constructed in such a manner that a central area of said illuminated object is illuminated by most of the light beam from said first high-luminance light-emitting area, and a peripheral area of said illuminated object is illuminated by the remainder of the light beam from said first high-luminance light emitting area and most of the light from said second high-luminance light-emitting area.

REFERENCES:
patent: 3267802 (1966-08-01), Noble
patent: 3702395 (1972-11-01), Rosendahl
patent: 4171874 (1979-10-01), Bigelow et al.
patent: 4722593 (1988-02-01), Shimazaki
patent: 4770525 (1988-09-01), Umeda et al.
patent: 4824210 (1989-04-01), Shimazaki
patent: 4906080 (1990-03-01), Omata
patent: 5123729 (1992-06-01), Kondo et al.
patent: 5192962 (1993-03-01), Nishida et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Illuminating device and projector utilizing the same does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

     

Profile ID: LFUS-PAI-O-796146

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.