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:
Aug. 06, 2019
Filed:
Mar. 24, 2016
Applicant:
Optotune Ag, Dietikon, CH;
Inventors:
Assignee:
OPTOTUNE AG, Dietikon, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 3/14 (2006.01); G02B 7/10 (2006.01); G02B 7/182 (2006.01); G02B 26/00 (2006.01); A61B 1/00 (2006.01); G02C 7/08 (2006.01);
U.S. Cl.
CPC ...
G02B 3/14 (2013.01); G02B 7/10 (2013.01); G02B 7/182 (2013.01); G02B 26/005 (2013.01); A61B 1/0019 (2013.01); G02C 7/085 (2013.01);
Abstract
The invention relates to a variable focus lens comprising an elastically deformable optical element () and a circumferential mechanism () to transfer a rotational movement to an axial movement, wherein by using a ball bearing system () the mechanism is optimized in a manner to reduce mechanical friction, friction variation and to improve force-direction dependent positioning insensitivity.