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:
Jan. 03, 2017
Filed:
Nov. 06, 2013
Stephen P. Pinchen, Derbyshire, GB;
David Halliday, Nottinghamshire, GB;
Stephen P. Pinchen, Derbyshire, GB;
David Halliday, Nottinghamshire, GB;
ESSENTRA PACKAGING & SECURITY LIMITED, Nottinghamshire, GB;
Abstract
There is disclosed an authentication device () for authenticating a luminescent security mark, the device comprising: an illumination source () configured to irradiate the security mark with a pulse of excitation radiation so as to cause the security mark to emit luminescent radiation that decays with time; a radiation detector configured to detect the luminescent radiation emitted by the security mark; and an optical waveguide () positioned relative to the illumination source () and the radiation detector and configured so as to guide by internal reflection both excitation radiation emitted from the illumination source towards the security mark, and luminescent radiation emitted by the security mark towards the radiation detector.