Laser device
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United States of America Patent
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Feb 16, 2021
Grant Date -
May 17, 2018
app pub date -
Oct 17, 2017
filing date -
Oct 17, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A laser device includes a light source that emits light; a first reflector that reflects the light toward a predetermined range; a second reflector that reflects the light reflected from the predetermined range; a light receiver that receives the light reflected by the second reflector; a driver that swings the first and the second reflector in an angular range corresponding to the predetermined range; and a calculator that: stores first information about the light reflected by the first reflector toward the predetermined range and second information about the light received by the light receiver; and measures movement speed and movement direction of a target reflecting the light from the first reflector based on the first and the second information.
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