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:
Sep. 03, 2024
Filed:
Dec. 22, 2023
Northern Digital Inc., Waterloo, CA;
Larry Chen, Fergus, CA;
Derek Peter Zwambag, Guelph, CA;
Shaulaine White, Troy, CA;
Athanasios Tommy Balkos, Waterloo, CA;
Northern Digital Inc., Waterloo, CA;
Abstract
A marker comprising: a retro-reflective layer having a first retro-reflectance capability and a border defining a retro-reflective area of the retro-reflective layer. The retro-reflective layer includes a textured surface, a portion of the textured surface having a surface topology such that surface normal vectors positioned across the portion extend from the portion of the textured surface in different directions. A plurality of retro-reflective micro elements are distributed across the textured surface. A portion of the border provides a second retro-reflectance capability lower than the first retro-reflectance capability.