VARIABLE BEAM DETECTION

AN APPARATUS FOR DETECTING OBSTRUCTIONS INCLUDES A PLURALITY OF EMITTERS FOR RADIATING BEAMS OF ENERGY, A PLURALITY OF DETECTORS FOR PROVIDING DETECTOR SIGNALS IN RESPONSE TO THE BEAMS OF ENERGY RADIATED BY THE PLURALITY OF EMITTERS AND A CONTROLLER FOR DETERMINING IF THE BEAMS OF ENERGY ARE OBSTRUC...

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Bibliographische Detailangaben
Hauptverfasser:	BRIAN J. AMEND, MICHAEL GARFINKEL
Format:	Patent
Sprache:	eng
Schlagworte:	DETECTING MASSES OR OBJECTS ELEVATORS ESCALATORS OR MOVING WALKWAYS GEOPHYSICS GRAVITATIONAL MEASUREMENTS HAULING HOISTING LIFTING MEASURING PERFORMING OPERATIONS PHYSICS TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	AN APPARATUS FOR DETECTING OBSTRUCTIONS INCLUDES A PLURALITY OF EMITTERS FOR RADIATING BEAMS OF ENERGY, A PLURALITY OF DETECTORS FOR PROVIDING DETECTOR SIGNALS IN RESPONSE TO THE BEAMS OF ENERGY RADIATED BY THE PLURALITY OF EMITTERS AND A CONTROLLER FOR DETERMINING IF THE BEAMS OF ENERGY ARE OBSTRUCTED BY ANALYZING THE DETECTOR SIGNALS AND IMPLEMENTING A DYNAMIC DETECTION THRESHOLD. THE CONTROLLER GENERATES AN AVERAGE BEAM STRENGTH AND CURRENT BEAM STRENGTH FROM WHICH SAID CONTROLLER MEANS DETERMINES IF AN OBSTRUCTION IS PRESENT BY DETERMINING IF THE CURRENT BEAM STRENGTH IS WITHIN A PREDETERMINED RANGE OF THE AVERAGE BEAM STRENGTH.