Beam projection system having a light curtain system for detecting obstacles

The plurality of emitters and the plurality of detectors form a light curtain that is patterned about the beam, and are positioned to surround the beam. The plurality of emitters each have a centerline and each have a divergence angle centered on the centerline. The placement and orientation of the...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Nugent, Jr., Thomas J, Bashford, David J, Bashford, Thomas W, Sayles, Thomas
Format:	Patent
Sprache:	eng
Schlagworte:	DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING PHYSICS TESTING
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