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, 2010
Filed:
Apr. 23, 2007
Xuewu Wang, Beijing, CN;
Yinong Liu, Beijing, CN;
Zhiqiang Chen, Beijing, CN;
Yaohong Liu, Beijing, CN;
Huaqiang Zhong, Beijing, CN;
Dongsheng Zhang, Beijing, CN;
Yumei Chen, Beijing, CN;
Feng Gao, Beijing, CN;
Xuewu Wang, Beijing, CN;
Yinong Liu, Beijing, CN;
Zhiqiang Chen, Beijing, CN;
Yaohong Liu, Beijing, CN;
Huaqiang Zhong, Beijing, CN;
Dongsheng Zhang, Beijing, CN;
Yumei Chen, Beijing, CN;
Feng Gao, Beijing, CN;
Tsinghu University, Beijing, CN;
Nuctech Company Limited, Beijing, CN;
Abstract
Disclosed are an energy spectrum modulation apparatus, a material discrimination method and a device thereof, as well as an image processing method are disclosed, which can discriminate the material in large- and medium-sized objects such as cargo containers, air cargo containers, etc. by using X-rays having different energy levels. The energy spectrum modulation apparatus comprises a first energy spectrum modulation part for modulating a first ray having a first energy spectrum, and a second energy spectrum modulation part coupled to the first energy spectrum modulation part and for modulating a second ray having a second energy spectrum different from the first energy spectrum. The present invention can be used in the non-opening inspection for large-sized container cargo at places such as Customs, ports and airports.