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. 22, 2008
Filed:
Nov. 11, 2002
Eiji Itako, Sakado, JP;
Eiji Itako, Sakado, JP;
Kabushiki Kaisha Nippon Conlux, Tokyo, JP;
Abstract
A banknote identifying machine and method for testing a banknote for genuineness stably without being affected by a sensor or contamination on the banknote. Transmission photosensorsare moved over a banknote to be tested to scan the banknote with a light beam along reading lines L to obtain patterns of an amount of transmitted light through the banknote (FIGS.() and()). Patterns () of an amount of transmitted light corresponding to watermark portions are evaluated with maximum values () of patterns of an amount of transmitted light corresponding to ordinary design portions other than the watermarks to determine whether or not there is any watermark in the banknote and to authenticate it.