US Patent 7053992 Rangefinder and method for collecting calibration data
Patent 7053992 was granted and assigned to Meade Instruments on May, 2006 by the United States Patent and Trademark Office.
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An apparatus and method for calibrating range measurements are provided wherein calibration data is collected with each range measurement or group of range measurements. The calibration data comprise a plurality of simulated range measurements. In one embodiment, the simulated range measurements are used to analyze errors that vary with time and environmental conditions. Range measurements are calibrated by correlating a measured flight time of a transmitted and reflected laser beam with the simulated range measurements and a relationship between laser beam flight times and target ranges based on the speed of the laser beam.
US Patent 7053992 Rangefinder and method for collecting calibration data
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