The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 30, 2023
Filed:
Sep. 28, 2021
Applicant:
Carl Zeiss Jena Gmbh, Jena, DE;
Inventor:
Marco Pretorius, Oberkochen, DE;
Assignee:
Carl Zeiss Jena GmbH, Jena, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/31 (2006.01); G03B 21/00 (2006.01); G03B 21/28 (2006.01);
U.S. Cl.
CPC ...
H04N 9/3126 (2013.01); G03B 21/005 (2013.01); G03B 21/28 (2013.01);
Abstract
A projection system can include a first modulator including a plurality of pixels in a first modulator surface, a second modulator including a plurality of pixels in a second modulator surface, and an intermediate imaging optical unit, which images the first modulator surface onto the second modulator surface, wherein the intermediate imaging optical unit includes a first lens having a convex side and wherein the convex side of the first lens is a free-form surface, which is not spherical and not rotationally symmetric and does not exhibit any mirror symmetry.