Dual-directional laser rangefinder
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United States of America Patent
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Aug 8, 2017
Grant Date -
Apr 28, 2016
app pub date -
Oct 24, 2014
filing date -
Oct 24, 2014
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Abstract
A dual-directional laser rangefinder has a housing with two laser modules and one control module mounted therein. The laser modules emit laser beams toward both sides of the housing and receive the reflected laser beams. The control module computes respectively travel times or the phase differences for the two laser beams from the laser modules, and then computes two distances from the two ends of the housing to the two objects of interest. After adding the length of the housing, the invention obtains an actual total distance between the two objects of interest.
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