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:
May. 27, 2008
Filed:
Nov. 02, 2005
Applicants:
Gary A. Ross, Edinburgh, GB;
Graham I. Johnson, Scotland, GB;
Barrie Clark, Scotland, GB;
Simon J. Forrest, Scotland, GB;
Inventors:
Gary A. Ross, Edinburgh, GB;
Graham I. Johnson, Scotland, GB;
Barrie Clark, Scotland, GB;
Simon J. Forrest, Scotland, GB;
Assignee:
NCR Corporation, Dayton, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 1/58 (2006.01); G01N 21/64 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of indicating the condition of an item comprises illuminating the item to excite one or more photoluminescent markers incorporated within the item. Photoluminescent emission from the markers in response to the excitation is compared to one or more pre-defined photoluminescent signatures indicating different conditions of the item.