Patent ID: 7057743
Filing Date: 2006-06-06
Classification: G01N

Abstract:
1. A device for measuring the distribution of selected properties of a material arranged on a conveyor, said device comprising: an emitter of electromagnetic radiation arranged at one side of said conveyor, said emitter emitting electromagnetic radiation in a multiple of frequencies in a selected frequency range towards said material; at least a sensor arranged on an opposite side of said conveyor, compared to said emitter, said sensor detecting electromagnetic radiation in said selected frequency range being emitted from said material, said electromagnetic radiation originating from said emitter; an analyser arranged to receive information regarding said emitted electromagnetic radiation and said detected electromagnetic radiation, said information comprising amplitude and/or phase for each selected frequency, said analyser being arranged to calculate the selected property distribution in said material based on the received information; an image device arranged to send information to said analyser to create a three dimensional contour of the material, said image device includes at least one imaging sensor connected to an image processing device, said at least one imaging sensor detecting an image of said material, which is processed into a three-dimensional contour of said material in said image processing device, wherein said at least one imaging sensor detects a picture of the reflectivity in optical wavelengths.