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:
Nov. 05, 2013
Filed:
Oct. 09, 2009
Applicants:
Ole Hangaard, Skanderborg, DK;
Niels Holm Larsen, Allschwill, CH;
Emilie Pougeoise, Grenoble, FR;
Jèrôme Grelin, St. Louis, FR;
Inventors:
Ole Hangaard, Skanderborg, DK;
Niels Holm Larsen, Allschwill, CH;
Emilie Pougeoise, Grenoble, FR;
Jèrôme Grelin, St. Louis, FR;
Assignee:
3D Systems, Inc., Rock Hill, SC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 35/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A stereolithography apparatus and an exposure system for a stereolithography apparatus, wherein light emitting diodes are used as light sources. The invention relates to aligning light from the light emitting diode and to the exchange and control of the light emitting diodes.