Gemstone sorting

There is disclosed an apparatus and method for sorting gemstones from a batch of gemstones. The apparatus comprises one or more measurement locations, each comprising at least one measurement device configured to measure one or more properties of a gemstone. A continuously moveable surface supports...

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Hauptverfasser:	Portsmouth, Andrew John, Davies, Nicholas Matthew, Mcguinness, Colin, Fisher, David
Format:	Patent
Sprache:	eng
Schlagworte:	PERFORMING OPERATIONS POSTAL SORTING SEPARATING SOLIDS FROM SOLIDS SORTING SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTEDPIECE-MEAL, e.g. BY PICKING TRANSPORTING
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creator	Portsmouth, Andrew John Davies, Nicholas Matthew Mcguinness, Colin Fisher, David
description	There is disclosed an apparatus and method for sorting gemstones from a batch of gemstones. The apparatus comprises one or more measurement locations, each comprising at least one measurement device configured to measure one or more properties of a gemstone. A continuously moveable surface supports the gemstones thereon and transports the gemstones to the one or more measurement locations. A separation device separates the gemstones from one another as they are transported on the moveable surface to the one or more measurement locations. A location trigger at a sensor location comprises a sensor for identifying when the gemstone passes through the sensor location. A controller receives a signal from the location trigger, records the position of the moveable surface when the signal is received, and tracks the subsequent location of the gemstone by monitoring the movement of the moveable surface such that a measurement of the one or more properties of each gemstone can be correlated with a location of the respective gemstone on the moveable surface. Specific markers in the luminescence properties of the gemstone may be used to identify properties of the stone.
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The apparatus comprises one or more measurement locations, each comprising at least one measurement device configured to measure one or more properties of a gemstone. A continuously moveable surface supports the gemstones thereon and transports the gemstones to the one or more measurement locations. A separation device separates the gemstones from one another as they are transported on the moveable surface to the one or more measurement locations. A location trigger at a sensor location comprises a sensor for identifying when the gemstone passes through the sensor location. A controller receives a signal from the location trigger, records the position of the moveable surface when the signal is received, and tracks the subsequent location of the gemstone by monitoring the movement of the moveable surface such that a measurement of the one or more properties of each gemstone can be correlated with a location of the respective gemstone on the moveable surface. 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The apparatus comprises one or more measurement locations, each comprising at least one measurement device configured to measure one or more properties of a gemstone. A continuously moveable surface supports the gemstones thereon and transports the gemstones to the one or more measurement locations. A separation device separates the gemstones from one another as they are transported on the moveable surface to the one or more measurement locations. A location trigger at a sensor location comprises a sensor for identifying when the gemstone passes through the sensor location. A controller receives a signal from the location trigger, records the position of the moveable surface when the signal is received, and tracks the subsequent location of the gemstone by monitoring the movement of the moveable surface such that a measurement of the one or more properties of each gemstone can be correlated with a location of the respective gemstone on the moveable surface. Specific markers in the luminescence properties of the gemstone may be used to identify properties of the stone.</abstract><oa>free_for_read</oa></addata></record>
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subjects	PERFORMING OPERATIONS POSTAL SORTING SEPARATING SOLIDS FROM SOLIDS SORTING SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTEDPIECE-MEAL, e.g. BY PICKING TRANSPORTING
title	Gemstone sorting
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