OPTICAL METHOD AND DEVICE FOR DETECTING PARTICLES SENSITIVE TO A MAGNETIC FIELD IN A SAMPLE

The invention relates to a method for detecting particles in a sample comprising a fluid, especially a liquid. The invention is intended to detect metal particles sensitive to a magnetic field. The sample is placed between a light source and an image sensor. The image sensor acquires images of the s...

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Bibliographische Detailangaben
Hauptverfasser:	MERMET, Xavier, PAULUS, Caroline, BORDY, Thomas, REMONDIERE, Vincent
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CINEMATOGRAPHY CRANKCASE VENTILATING ELECTROGRAPHY ENGINE PLANTS IN GENERAL HEATING HOLOGRAPHIC PROCESSES OR APPARATUS HOLOGRAPHY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LIGHTING LUBRICATING INTERNAL COMBUSTION ENGINES LUBRICATING OF MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES IN GENERAL MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS MEASURING MECHANICAL ENGINEERING PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS STEAM ENGINES TESTING TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a method for detecting particles in a sample comprising a fluid, especially a liquid. The invention is intended to detect metal particles sensitive to a magnetic field. The sample is placed between a light source and an image sensor. The image sensor acquires images of the sample in a holographic configuration, for example via lensless imaging. During acquisition of the images, the sample is subjected to a magnetic field. Processing of the images allows particles that move under the effect of the magnetic field to be distinguished from particles that remain stationary and their particle size to be estimated.