Back-scattering inspection systems and methods for human body

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United States of America Patent

PATENT NO 9295441
APP PUB NO 20140185770A1
SERIAL NO

14138476

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Abstract

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Human body back-scattering inspection systems and methods are disclosed. In the invention, X-rays modulated by the flying-spot forming unit having spirally distributed flying-spots have a distribution having alternating peaks and valleys on the irradiated surface. In this way, scanning starting times can be precisely controlled to cause two devices to have scanning starting times that are different by a half of a cycle. That is, the beams outputted from one device are at maximum when the beams outputted from the other device are at minimum. In other words, even if the ray source of one device emits rays, it will not significantly affect imaging result of the other device. In such way, the two devices may emit rays and perform scanning at the same time, and thus the total scanning time is reduced.

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Patent Owner(s)

  • NUCTECH COMPANY LIMITED;TSINGHUA UNIVERSITY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Xiuwei Beijing, CN 6 108
Chen, Zhiqiang Beijing, CN 400 2409
Ding, Xianli Beijing, CN 11 37
Jin, Yingkang Beijing, CN 39 102
Li, Yuanjing Beijing, CN 271 1884
Luo, Xilei Beijing, CN 23 132
Ruan, Ming Beijing, CN 38 108
Tang, Le Beijing, CN 34 559
Wu, Wanlong Beijing, CN 68 438
Xu, Chengcong Beijing, CN 4 7
Zhang, Li Beijing, CN 2407 31906
Zhao, Ziran Beijing, CN 240 1215
Zhu, Chenguang Beijing, CN 20 80

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