Human body back-scattering security check system

A backscattering and human body technology, applied in the field of radiation imaging, can solve the problem of low scanning speed

Active Publication Date: 2014-07-02
NUCTECH CO LTD +1
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0003] Aiming at the problem of low scanning speed in the prior art, the embodiment of the present invention...

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  • Human body back-scattering security check system
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Embodiment Construction

[0020] Specific embodiments of the present invention will be described in detail below, and it should be noted that the embodiments described here are only for illustration, not for limiting the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one of ordinary skill in the art that these specific details need not be employed to practice the present invention. In other instances, well-known structures, materials or methods have not been described in detail in order to avoid obscuring the present invention.

[0021] Throughout this specification, reference to "one embodiment," "an embodiment," "an example," or "example" means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in the present invention. In at least one embodiment. Thus, appearances of the phrases "in ...

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Abstract

A human body back-scattering inspection system is disclosed. The system comprises a flying-spot forming unit configured to output beams of X-rays, a plurality of discrete detectors which are arranged vertically along a human body to be inspected, and a controlling unit coupled to the flying-spot forming unit and the plurality of detectors, and configured to generate a control signal to control the flying-spot forming unit and the plurality of detectors to perform a partition synchronous scan on the human body to be inspected vertically. The present disclosure utilizes the geometry property of the human body back-scattering inspection system, and proposes a multiple-point synchronous scan mechanism which largely accelerates the inspection of human body.

Description

technical field [0001] The technology relates to radiation imaging technology, in particular to a human body backscatter security inspection system, which can improve the speed of security inspection. Background technique [0002] Existing X-ray human body backscatter scanning inspection devices all adopt a single-point scanning mode and a larger backscatter detector. The technical circuit includes a longitudinal scanning method in which the X-ray machine and the detector move up and down synchronously, and a scanning method in which the X-ray machine coaxially rotates (or translates) and the detector moves laterally. However, no matter which method is used, only one light beam irradiates the surface of the human body at each moment. Therefore, how to increase the scanning speed without damaging the image index and increasing the exposure dose of the human body is a concern in the field. Contents of the invention [0003] Aiming at the problem of low scanning speed in the...

Claims

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Application Information

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IPC IPC(8): G01V5/00
CPCG01V5/0025G01N23/203A61B6/483A61B6/00G01T1/167A61B6/4266A61B6/4021H05G1/26
Inventor 赵自然陈志强李元景吴万龙阮明刘以农金颖康唐乐温燕杰陈秀玮丁富华桑斌沈宗俊
Owner NUCTECH CO LTD
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