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Title:
SCAN IMAGING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2015/172724
Kind Code:
A1
Abstract:
A scan imaging system comprises: a conveyance device (40), a first imaging system (10), and a second imaging system (20). The length of the interval, in the conveyance direction, between a ray beam (14) of a first ray generator (11) of a first imaging system (10) and a ray beam (24) of a second ray generator (21) of a second imaging system (20) is approximately L. A controller (33), on the basis of a count value of an encoding-count module (32), obtains the correlation between data of a position in the conveyance direction of an examined object (A) collected by the first imaging system (10), and data of a position in the conveyance direction of said examined object collected by the second imaging system (20): the difference between an encoder count value corresponding to the data of a position collected by the first imaging system (10) and an encoder count value corresponding to the data of a position collected by the second imaging system (20) is approximately L/D. Through simple means, the system is able to achieve the alignment of a DR data image and a DT data image.

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Inventors:
ZHANG LI (CN)
ZHANG JINYU (CN)
HUANG QINGPING (CN)
TANG HU (CN)
DING HUI (CN)
REN QIANLU (CN)
Application Number:
PCT/CN2015/078941
Publication Date:
November 19, 2015
Filing Date:
May 14, 2015
Export Citation:
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Assignee:
NUCTECH CO LTD (CN)
International Classes:
G01N23/04
Foreign References:
CN1460849A2003-12-10
CN1916611A2007-02-21
CN101936924A2011-01-05
US20060067471A12006-03-30
Other References:
HUANG, YIBIN: "The Design and Realization of Control Subsystem for Luggage DR-CT Inspection System", NUCLEAR ELECTRONICS & DETECTION TECHNOLOGY, vol. 4, no. 26, 31 July 2006 (2006-07-31), pages 405 - 408
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (CN)
中科专利商标代理有限责任公司 (CN)
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