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Scanning systems for security and medical scanners having means to control the radiation source

A technology for scanning systems and control components, which is applied in the field of scanning systems, can solve problems such as heavy and bulky, and achieve the effect of safe operation and simple transportation

Active Publication Date: 2015-02-04
RAPISCAN SYST INC (US)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

such sources are therefore typically bulky and heavy due to the necessity of installing thick radiation shielding around the entire accelerating structure

Method used

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  • Scanning systems for security and medical scanners having means to control the radiation source
  • Scanning systems for security and medical scanners having means to control the radiation source
  • Scanning systems for security and medical scanners having means to control the radiation source

Examples

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Embodiment Construction

[0042] refer to figure 1, the scanning system 10 includes a radiation source 12 arranged to direct radiation towards an object 14 to be scanned. The system 10 also includes a detection component 16 arranged to detect radiation. In this embodiment, the radiation source comprises a linear accelerator of the type previously described. In other embodiments, the radiation source may be any other suitable source (eg, a different type of the aforementioned radiation source). In this embodiment, the detection component 16 comprises an L-shaped sensor array which may comprise banks of detectors - it will be apparent to the skilled person that other embodiments may utilize different types of Detector. In this embodiment, the scanned object 14 is a lorry. The system 10 also includes a controller 18 arranged to control the radiation source 12 such that the source 12 produces radiation in pulsed form. The controller 18 is also arranged to define test conditions and to process signals ...

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PUM

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Abstract

A scanning system comprises a radiation source arranged to direct radiation towards an object, a detection means arranged to detect the radiation, and control means arranged to control the source so that it produces pulses of radiation, to define a check condition, to process signals from the detection means to determine whether they meet the check condition, and to vary the pulses dependent on whether the signals meet the check condition.

Description

technical field [0001] The present invention relates to scanning systems. It has specific application in scanning systems for cargo, but can also be used in scanners for other applications such as security and medical scanners. Background technique [0002] Conventional cargo inspection systems include a radiation source that radiates X-rays or gamma rays through the object under inspection to a sensor array, which may be arc-shaped or configured as an "L" row array. Other forms of sensor arrays will be apparent to the skilled person. [0003] Such systems often use linear accelerators to generate X-rays, or use such 137 Cs or 60 Radiation sources such as Co to generate gamma rays. [0004] Linear accelerators are typically operated with beam energies of 2MV to 9MV, where a 2MV beam is a beam generated by launching a 2MeV electron beam at a target, producing a Broad spectrum of X-ray energy. This high-energy X-ray beam can penetrate large objects such as fully loaded c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V5/00
CPCG01V5/0041G01V5/0016G01V5/0066H05G1/30G01V5/232G01V5/224G01V5/22
Inventor 爱德华·J·莫顿
Owner RAPISCAN SYST INC (US)