Industry Patents
Patent: 6886944
Projector Brightness Enhancement Using Rectilinear Apertures
(Click image for PDF of full patent)
| Patent Number: |
6886944 |
| Title: |
Projector Brightness Enhancement Using Rectilinear Apertures |
| Abstract: |
A projector includes an array of micromirror light modulators and a
projector light source for generating an illumination light beam along an
optical path. An elongated rectilinear illumination aperture is defined at
a first location along the optical path, with one or more elongated
regions having a long dimension parallel to the axis. An elongated
rectilinear pupil aperture is defined at an output pupil with one or more
elongate pupil regions having a long dimension parallel to the axis.
|
| Country of Issue: |
US |
| First Named Inventor: |
Dahlgren |
| Assignee: |
Hewlett-Packard |
| Continuation or Divisional of: |
|
| International Classification: |
G03B 21/14 |
| US Classification: |
353/97 |
| Issue Date: |
05-03-2005 |
| Filing Date: |
05-13-2003 |
| Application : |
10/437544 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
6886944 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
6886944 at Google Patents |
1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.
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