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:
Mar. 02, 2021
Filed:
Jan. 25, 2019
Applicant:
Anteryon Wafer Optics B.v., Eindhoven, NL;
Inventors:
Edwin Maria Wolterink, Eindhoven, NL;
Yelena Vladimirovna Shulepova, Eindhoven, NL;
Assignee:
Anteryon International B.V., Eindhoven, NL;
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/00 (2006.01);
U.S. Cl.
CPC ...
G02B 13/0085 (2013.01); G02B 13/006 (2013.01);
Abstract
The present invention relates to an optical unit consisting of four lens groups, i.e., a first lens group, a second lens group, a third lens group and a fourth lens group, which are arranged in order from an object side toward an image side surface side, wherein at least the first, second and third lens group comprise at least two lens elements, wherein said at least two lens elements within each lens group have different optical properties, wherein no glass substrate is present in at least one of the first lens group, the second lens group and the third lens group.