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. 04, 2007
Filed:
Feb. 26, 2002
Bryan James Christophersen, Hampshire, GB;
Peter Dilwyn Evans, Hampshire, GB;
Jeremy Stuart Michael Fox, Hampshire, GB;
John Alan Skinner, Hampshire, GB;
Bryan James Christophersen, Hampshire, GB;
Peter Dilwyn Evans, Hampshire, GB;
Jeremy Stuart Michael Fox, Hampshire, GB;
John Alan Skinner, Hampshire, GB;
De La Rue International Limited, Hampshire, GB;
Abstract
A method and apparatus for identifying a document (). The method comprises exposing the document (), such as a banknote, to infrared radiation; detecting infrared radiation reflected from a plurality of regions of the document () to generate at least one test pattern; determining if the or each test pattern satisfies a predetermined relationship with a predetermined pattern or patterns corresponding to a known document; and, if the predetermined relationship is satisfied, identifying the document () as being the same as the known document.