Industry Patents
Patent: 6896374
Projection Arrangement
(Click image for PDF of full patent)
| Patent Number: |
6896374 |
| Title: |
Projection Arrangement |
| Abstract: |
In a projection arrangement comprising a light source (1) for generating a
luminous field (2), a reflecting light modulator (4; 27) onto which light
coming from the luminous field (2) may be directed, said light being
modulated by the light modulator (4; 27) in order to generate an image,
and further comprising projection optics (5; 21, 32), arranged following
the light modulator, for projecting said image, the projection optics (5;
21, 32) comprise imaging optics (5; 21) including a mirror (9, 25) and a
lens (6; 7; 8; 22; 23; 24) arranged between the light modulator (4; 27)
and the mirror (9; 25), the light coming from the light modulator (4; 27)
and reflected by the mirror (9; 25) passing twice through the lens (6; 7;
8; 22; 23; 24) and the light coming from the luminous field (2), which is
directed onto the light modulator (4; 27), passing through the lens (6; 7;
8; 22; 23, 24) of the imaging optics (5; 21) only once.
|
| Country of Issue: |
US |
| First Named Inventor: |
Piehler |
| Assignee: |
Carl Zeiss Jena |
| Continuation or Divisional of: |
|
| International Classification: |
G03B 21/28 |
| US Classification: |
353/37 |
| Issue Date: |
05-24-2005 |
| Filing Date: |
06-04-2002 |
| Application : |
10/479935 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
6896374 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
6896374 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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