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:
Nov. 12, 2019
Filed:
Jan. 26, 2016
Applicant:
Quantum Base Limited, Stockport, GB;
Inventors:
Vladimir Falko, Lancaster, GB;
Robert Young, Lancaster, GB;
Assignee:
Quantum Base Limited, Stockport, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G07D 7/202 (2016.01); G07D 7/12 (2016.01); G07D 7/2033 (2016.01); G06K 7/14 (2006.01); G06K 19/10 (2006.01); G06Q 30/00 (2012.01); B42D 25/29 (2014.01);
U.S. Cl.
CPC ...
G07D 7/205 (2013.01); G06K 7/1417 (2013.01); G06K 19/10 (2013.01); G06Q 30/0185 (2013.01); G07D 7/12 (2013.01); G07D 7/2033 (2013.01); B42D 25/29 (2014.10);
Abstract
An authentication device () comprises one or more flakes of a substantially two-dimensional material (). The one or more flakes of the substantially two-dimensional material () have an operative area configured to emit, by non-resonant photoluminescence, electromagnetic radiation with a property that varies with position in the operative area.