FOREIGN MATTER DETECTION SYSTEM

Provided are an image capturing device 9 for capturing an image in a target area A, transmission parts 7 and 8 through which an outside can be visually observed from inside of the target area A and polarizing filters 10a and 10b on an light path from the transmission parts 7 and 8 to the image captu...

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Bibliographische Detailangaben
Hauptverfasser:	HU Jingyu, NISHIMURA Takanori, NAKAMURA Kenichi, IMAIZUMI Hiroaki, HAMAGUCHI Kenichi
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES DETECTING MASSES OR OBJECTS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FENCING FIXED CONSTRUCTIONS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MASTS MEASURING PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL TESTING
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Beschreibung
Zusammenfassung:	Provided are an image capturing device 9 for capturing an image in a target area A, transmission parts 7 and 8 through which an outside can be visually observed from inside of the target area A and polarizing filters 10a and 10b on an light path from the transmission parts 7 and 8 to the image capturing device 9. The front- and depth-side polarizing filters 10a and 10b relative to the image capturing device 9 are arranged so as to have polarizing directions crossing each other. A foreign matter F in the target area A is detected on the basis of the image acquired by the image capturing device 9.