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:
Aug. 25, 1998
Filed:
Feb. 20, 1996
Liem Hak Leong, Dundee, GB;
NCR Corporation, Dayton, OH (US);
Abstract
The invention concerns a bank note scanner (2) for assessing the authenticity of a bank note, which includes a vacuum pump (4), an olfactory sensor (8), an authentication means (28) for producing an electrical output indicative of the authenticity of a bank note, and suction means (10) connected to the vacuum pump (4) via the olfactory sensor (8). In operation, a bank note is fed through an entry slot (50) in the scanner (2) into co-operative relationship with the suction means (10) such that the bank note covers, and is sucked against, the suction means (10), thus enabling the sensor (8) to test the note. The authentication means (28) comprises a neural network (26) which can be taught the olfactory characteristics of an authentic bank note. The authentication means (28) is arranged to make a determination of the authenticity of the bank note based on the comparison of the electrical output of the olfactory sensor (8) and the olfactory characteristics of one or more authentic bank notes.