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Radiation testing device and radiation testing method

A technology for inspection devices and inspection methods, which can be applied to irradiation devices, measurement devices, nuclear radiation exploration, etc., and can solve problems such as high costs

Inactive Publication Date: 2002-11-27
SHIMADZU SEISAKUSHO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the conventional device has problems in that a high-speed in-line system is required due to performing large-scale image processing and the hardware and software of the device are high in cost.

Method used

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  • Radiation testing device and radiation testing method
  • Radiation testing device and radiation testing method
  • Radiation testing device and radiation testing method

Examples

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Embodiment Construction

[0017] An embodiment of the present invention will be described below in conjunction with the accompanying drawings.

[0018] figure 1 It shows the composition of the radiation inspection apparatus according to an embodiment of the present invention and shows a schematic diagram of the mechanical structure of the main part of the embodiment and the system control circuit of the main part of the embodiment.

[0019] The inspected article W is placed on the endless belt 11 of the conveyor system 1 and conveyed at a fixed speed. Above the conveyor system 1, an X-ray tube 2 is arranged with its X-ray optical axis vertical and downward. In addition, the one-dimensional X-ray detector 3 is arranged vertically below the X-ray tube 2, and when the endless belt 11 of the conveyor system 1 is interposed between the X-ray tube 2 and the one-dimensional X-ray detector 3, a The three-dimensional X-ray detector 3 faces the X-ray tube 2 .

[0020] The conveyor system 1 comprises an endles...

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Abstract

A radiation inspection device that counts the number of pixels within a preset gray scale range of gray scales distributed from XL to XH based on gray scales represented by pixel gray scale information output from a radiation detector, and according to The result of this total checks whether or not there is a shortage of items. Therefore, the device can correctly determine whether the item is missing or not by simple data processing instead of performing pattern recognition on a radiographic image.

Description

technical field [0001] The present invention relates to a non-destructive inspection device or method for inspecting medicine and food. In more detail, the present invention relates to a radiation inspection device and a radiation inspection method suitable for inspecting the presence of a stockout of a packaged item whose interior cannot be observed with visible light due to a packaging material. Background technique [0002] Heretofore, an inspection device using visible light or infrared light is known as a device for inspecting the presence or absence of packaged food. Such an inspection device using visible light or infrared light generally irradiates an item to be inspected with visible light or infrared light, and then receives light reflected or emitted by the item using a CCD camera (camara). Accordingly, the inspection device obtains image information on the interior of the package, and determines the number of items included in the packag...

Claims

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Application Information

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IPC IPC(8): G01N23/04G01N23/10G01V5/00G21K5/02
CPCG01N23/04G01N23/10
Inventor 泽田良一
Owner SHIMADZU SEISAKUSHO CO LTD
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