Optical Pointing Sensor
NASA’s Jet Propulsion Laboratory, Pasadena, California
Thursday, July 01 2010
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The sensor can be used as a digitizer of physical objects to extract shape data.
The optical pointing sensor provides a means of directly measuring the relative positions of JPL’s Formation Control Testbed (FCT) vehicles without communication. This innovation is a steerable infrared (IR) rangefinder that gives measurements in terms of range and bearing to a passive retroreflector. Due to its reduced range of motion, the range and bearing measurements are on the order of 10 times better than those of the existing sensor system.
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