H - Electricity – 01 – J
Patent
H - Electricity
01
J
H01J 49/04 (2006.01) G01N 27/62 (2006.01) G01N 27/68 (2006.01)
Patent
CA 2433058
A hazardous material detection system that can suppress occurrence of contamination due to ionization. When a sensor detects that a test sample has entered an inspection region of an X-ray inspect ion device as a belt conveyor moves, a corona discharge power supply in a hazardous material detection device is turned on for a constant time, to introduce a gaseous sample containing a substance stuck to the test sample into the hazardous material detection device via a sucking section and gaseous sample introduction piping, in order to ionize the gaseous sample and analyze it at an analyzer, based on a result of which analysis, a data processor decides whether the gaseous sample contains a hazardous material, to display a decision result on a screen. When the test sample is detected by an exit side sensor, the corona discharge power supply is turned off.
Fujita Hiroyuki
Iwasaki Toshio
Nakashige Keiko
Nishikawa Yoshihiro
Tanaka Seiji
Hitachi Ltd.
Kirby Eades Gale Baker
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