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Wang Xuewu, Chen Zhiqiang, Li Yuanjing, Zhong Huaqiang, Zhang Qingjun, Zhao Shuqing: Radiograph detector array and device using the same. Univ Tsinghua, Nuctech, November 21, 2007: GB2438317-A (26 worldwide citation)

Disclosed is a radiograph x-ray detector array (104a, 104b) comprising a first linear array (104a) and a second linear array (104b). The first linear array (104a) is arranged for detecting a first ray and a second ray which penetrate through a first plurality of parts of the inspected object to acqu ...


2
Hu Haifeng, Li Yuanjing, Kang Kejun, Chen Zhiqiang, Liu Yinong, Li Yulan, Zhang Li, Wu Wanlong, Zhao Ziran, Luo Xilei, Sang bin: A ct method and apparatus for identifying a liquid article based on the density of the liquid article. Univ Tsinghua, Nuctech, May 31, 2006: GB2420683-A (16 worldwide citation)

A Computed Tomography (CT) method and an apparatus for liquid safety-detection with a radiation source relate to a radiation imaging detecting technology field. The invention comprises using a radiation source, a detector and data collector, a computer data processor; and the main steps are: 1) a li ...


3
Hu Halfeng, Li Yuanjing, Kang Kejun, Chen Zhiqiang, Liu Yinong, Li Yulan, Zhang Li, Wu Wanlong, Zhao Ziran, Luo Xilei, Sang bin: Method and apparatus for security inspection of liquid articles using radiation. Nuctech, Univ Tsinghua, March 12, 2008: GB2441551-A (14 worldwide citation)

Method and apparatus for security inspection of liquid articles using radiation in which a radiation source 10, such as an X-ray or gamma ray source, is arranged to emit radiation for transmission through liquid articles 20 to be inspected, the transmitted radiation being detected by a detector 40. ...


4
Liu Yaohong, Tang Chuanxiang, Chen Zhiqiang, Chen Huaibi, Liu Jinsheng, Gao Jianjun: Device method and material identifying system for producing x-ray having different energy. Tsinghua University, Nuctech Company, Liu Yaohong, Tang Chuanxiang, Chen Zhiqiang, Chen Huaibi, Liu Jinsheng, Gao Jianjun, CHINA SCIENCE PATENT 25 F Bldg B Tsinghua Tongfang Hi Tech Plaza No1 Wangzhuang Rd Haidian District Beijing 100083, November 29, 2007: WO/2007/134514 (10 worldwide citation)

A device,method and material identifying system for producing x-ray having different energy are disclosed. The method includes producing first,second,third and fourth pulse voltage; producing first and second electron beam having first and second beam-current load respectively based on the first and ...


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Kang Kejun, Hu Haifeng, Chen Zhiqiang, Sun Shangmin, Yang Guang, Zhang Fengjun, Bi Yong, Wu Yucheng, Li Jianjun, Liu Rongxuan: An inspection system for inspecting cargo using radiation. Tsinghua University, Nuctech Company, Kang Kejun, Hu Haifeng, Chen Zhiqiang, Sun Shangmin, Yang Guang, Zhang Fengjun, Bi Yong, Wu Yucheng, Li Jianjun, Liu Rongxuan, CHINA SCIENCE PATENT 25 F Bldg B Tsinghua Tongfang Hi Tech Plaza No 1 Wangzhuang Rd Haidian District Beijing 100083, July 19, 2007: WO/2007/079675 (8 worldwide citation)

An inspection system for inspecting cargo using radiation includes a pallet type main conveyor (8) a radiating and scanning unit (1), two secondary conveyors (7) and a rising and falling apparatus (10). The radiating and scanning unit (1) bestrides the pallet type main conveyor (8) and is located ov ...


7
Wang Xuewu, Liu Yinong, Chen Zhiqiang: Energy spectrum modulation and image processing method. Univ Tsinghua, Nuctech, November 21, 2007: GB2438278-A (7 worldwide citation)

An energy spectrum modulation apparatus and a material discrimination method and device are disclosed which can discriminate the material in large- and medium-sized objects (7) such as cargo containers, air cargo containers, etc. by using X-rays having different energy levels. The energy spectrum mo ...


8
ZHANG LI, CHEN ZHIQIANG, WANG XUEWU, HU HAIFENG, WU HONGXIN, LI YUANJING, LIU YINONG, ZHAO ZIRAN, XING YUXIANG, TANG HU, YI YUMIN, ZHANG JINYU: [fr] PROCÉDÉ ET DISPOSITIF POUR DÉTECTER UN ARTICLE LIQUIDE, [de] VERFAHREN UND VORRICHTUNG ZUM NACHWEISEN EINES FLÜSSIGEN ARTIKELS, [en] METHOD AND DEVICE FOR DETECTING LIQUID ARTICLE. UNIV TSINGHUA, NUCTECH, May 26, 2010: EP2189785-A1 (6 worldwide citation)

[en] Disclosed are a method and a device for security-inspection of liquid articles with dual-energy CT imaging. The method comprises the steps of obtaining one or more CT images including physical attributes of liquid article to be inspected by CT scanning and a dual-energy reconstruction method ac ...


9
Chen Zhiqiang, Zhang Li, Kang Kejun, Wang Xuewu, Huang Qingping, Li Yuanjing, Liu Yinong, Zhao Ziran, Xiao Yongshun: Dual energy x-ray imaging for substance identification. Nuctech, Univ Tsinghua, May 20, 2009: GB2454782-A (5 worldwide citation)

The method comprises the steps of irradiating an object under inspection using high-energy and low-energy rays, so as to obtain a high-energy transmission image and a low-energy transmission image for the object, wherein a value of each pixel in the high-energy image indicates a high-energy transpar ...


10
Kang Kejun, Hu Haifeng, Chen Zhiqiang, Li Yuanjing, Wang Xuewu, Tang Chuanxiang, Wang Liming, Liu Yinong, Liu Yaohong, Zhang Li, Li Jianmin, Zhong Huaqiang, Cheng Jianping, Chen Huaibi, Peng Hua, Xie Yali, Li Junli, Kang Ning, Li Qinghua: Method for inspecting object using multi-energy radiation and apparatus therefor. Univ Tsinghua, Nuctech, July 4, 2007: GB2433777-A (5 worldwide citation)

A method and an apparatus for inspecting an object uses multi-energy radiation. The method comprises the steps of: causing multi-energy radiation to interact with an object under inspection; detecting and recording transmission intensity values after an interaction between the multi-energy radiation ...