LASER AIMING SYSTEM RECYCLING STRAY LIGHT
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United States of America
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Feb 13, 2020
app pub date -
Aug 10, 2018
filing date -
Aug 10, 2018
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Abstract
A laser light projection apparatus is provided for projecting laser light onto the surface of a target object. The laser light projection apparatus includes a laser light source that generates laser light and a housing with a cavity therein defined by sidewalls, at least a portion of which have one or more reflective surfaces. The cavity extends along a center axis of the laser light and has a first portion at which a distance between opposing sidewalls is less than a distance between opposing sidewalls at a second portion of the cavity at a distance farther from the laser light source than the first portion. At least a portion of the laser light generated by the laser light source is reflected from the reflective surface of the sidewalls to form a two-dimensional pattern spaced apart from the center axis.
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