Laser projection module with conical reflector supported by thin walls
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United States of America Patent
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Feb 10, 2015
Grant Date -
Nov 1, 2012
app pub date -
Dec 4, 2009
filing date -
Nov 2, 2009
priority date (Note) -
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Abstract
A laser projection module with a conical reflector supported by thin walls comprises: an upper mounting plate, a lower mounting plate with an aperture set in the center and a conical reflector which is provided on the upper mounting plate corresponding to the aperture, wherein at least three thin-walled supporting slices surrounding the conical mirror, are provided between the upper mounting plate and the lower mounting plate there are provided. The disclosure has a compact structure. With the support of the thin walls, the laser divided is self-assembled and the mechanical principle that side faces of the thin-walled slices have high resistance is satisfied, so that reliability and precision of the use of the conical mirror in a laser projection apparatus with the conical mirror are guaranteed. The support pattern of the conical mirror by thin walls is also applicable to various conical mirrors in other application occasions.
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