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:
Apr. 30, 2019
Filed:
Mar. 22, 2017
Applicant:
Optrel Holding Ag, Appenzell, CH;
Inventor:
Ramon Hofer-Kraner, Herisau, CH;
Assignee:
Optrel Holding AG, Appenzell, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/10 (2006.01); G02C 7/08 (2006.01); G02F 1/133 (2006.01); A41D 13/11 (2006.01); A61F 9/02 (2006.01);
U.S. Cl.
CPC ...
G02C 7/101 (2013.01); G02C 7/083 (2013.01); G02C 7/086 (2013.01); G02C 7/088 (2013.01); G02C 7/10 (2013.01); G02C 7/105 (2013.01); G02F 1/13318 (2013.01); A41D 13/1184 (2013.01); A61F 9/023 (2013.01); G02C 2202/18 (2013.01); G02F 2001/13324 (2013.01);
Abstract
The invention is based on a sun protection device, in particular sun spectacles, with at least one optical sun protection filter comprising at least one liquid-crystal cell, with at least one sensor unit configured for capturing a solar irradiation, and with at least one control and/or regulation unit, which is configured for controlling and/or regulating a permeability of the optical sun protection filter depending on a solar irradiation.