METHOD AND DEVICE FOR SENSING THE PRESENCE OR ABSENCE OF AN ARTICLE AT THE END OF A VACUUM PICK-UP MEANS

A method of and a device for sensing the presence or absence of an electrical or electronic component at the end of a vacuum pick-up means. In the absence of a component, the air flow produced by the vacuum is converted into an acoustic signal which indicates the absence of the component.

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Bibliographische Detailangaben
Hauptverfasser:	SCHOLTEN GERARD J, BEURSKENS, THEODORUS J.G, VIDEC, MATHIAS F
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CONVEYING DETECTING MASSES OR OBJECTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GEOPHYSICS GRAVITATIONAL MEASUREMENTS HANDLING THIN OR FILAMENTARY MATERIAL MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MEASURING PACKING PERFORMING OPERATIONS PHYSICS PNEUMATIC TUBE CONVEYORS PRINTED CIRCUITS SEMICONDUCTOR DEVICES SHOP CONVEYOR SYSTEMS STORING TESTING TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING TRANSPORTING
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Beschreibung
Zusammenfassung:	A method of and a device for sensing the presence or absence of an electrical or electronic component at the end of a vacuum pick-up means. In the absence of a component, the air flow produced by the vacuum is converted into an acoustic signal which indicates the absence of the component.