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:
Dec. 16, 2014
Filed:
Nov. 18, 2011
Lei Zheng, Shandong, CN;
Tianxin Jiang, Shandong, CN;
Min Yang, Shandong, CN;
Yang Liu, Shandong, CN;
Lei Zheng, Shandong, CN;
Tianxin Jiang, Shandong, CN;
Min Yang, Shandong, CN;
Yang Liu, Shandong, CN;
Abstract
The present invention provides a sheet medium detection device, which comprises a light guide bar () provided on one side of a medium conveying passage () and provided with a plurality of reflection surfaces () arranged with Intervals along a length direction of the light guide bar, wherein each of the reflection surfaces () reflects the light within the light guide bar () to the other side of the medium conveying passage (); a plurality of light receivers (), each of which, being opposite to a reflection surface () of the light guide bar, is provided on the other side of the medium conveying passage (); and a point light source () provided at least on one end of the light guide bar along the length direction of the light guide bar, wherein each of the reflection surfaces () is provided obliquely to form an obtuse angle relative to the light guide bar () on the side where the point light source () locates. The present invention also provides a sheet medium processing device which comprises the detection device described above. The sheet medium detection device has a low cost and high adaptability.