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:
Apr. 20, 1999
Filed:
Apr. 14, 1997
Mitsuhiro Nagase, Tokyo, JP;
Laurel Bank Machines Co., Ltd., Tokyo, JP;
Abstract
Apparatus for discriminating bills includes a sensitive color plate provided on one side of a bill transport passage for transporting bills therethrough, and a light source for emitting light toward the sensitive color plate. A reflecting plate is provided parallel to the sensitive color plate on the other side of the bill transport passage for reflecting light from the light source transmitted through the sensitive color plate back toward the sensitive color plate. A band-pass filter passes light having a prescribed wavelength range and cuts light having other wavelengths. A photosensor detects the light reflected by the reflecting plate and transmitted through the sensitive color plate and the band-pass filter. With this arrangement, it is possible to discriminate bills having a transparent portion with high accuracy.