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:
Dec. 31, 2024
Filed:
Jun. 28, 2022
Applicant:
Nec Corporation of America, Herzlia, IL;
Inventors:
Tsvi Lev, Tel-Aviv, IL;
Hagai Har-Gil, Ramat Gan, IL;
Assignee:
NEC Corporation Of America, Herzlia, IL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/122 (2006.01); G02B 5/126 (2006.01);
U.S. Cl.
CPC ...
G02B 5/122 (2013.01); G02B 5/126 (2013.01);
Abstract
There is provided a retroreflector device, comprising: an incident object made of a material transparent to electromagnetic radiation, the incident object designed to refract an incident ray hitting an incident surface to generate a refracted ray that hits a back surface, and a retroreflective surface positioned in proximity to the back surface of the incident object, wherein the retroreflective surface and the incident object are configured to refract the incident ray to generate the refracted ray for hitting the retroreflective surface at an angle of incidence below a threshold.