DETECTION OF IMPERFECTIONS IN PRECIOUS STONES

A system for the inspection of a precious stone (12), including an energy transfer system (10) for changing the temperature of the stone (12), at least one imaging device (16) imaging the stone (12) and outputting a thermal map of the stone (12), an image processing unit utilizing the thermal map to...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ALTMAN, JOSHUA, KERNER, AVI, LESHEM, ZEEV, LEDERER, UDI, HAAS, NADAV, TSHUVA, MOSHE
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE PHYSICS TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
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