Apparatus for projecting a laser beam in a linear pattern

Details Apparatus for projecting a laser beam in a linear pattern Apparatus for projecting a laser beam in a linear pattern

G - Physics

02

B

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G02B 27/18 (2006.01) G02B 5/10 (2006.01) G02B 17/00 (2006.01) G02B 19/00 (2006.01)

Patent

CA 1260298

ABSTRACT An apparatus for projecting a laser beam linearly on an object, wherein a laser beam, once spread radially by a convex reflector or by a concave lens, is made to converge linearly by means of a cylindrical- concave reflector. The line of light obtained on an object by the apparatus disclosed herein is a constant and non-flickering one, being unlike that obtained by a conventional apparatus which reflects a laser beam by means of a rapidly rotating polygonal-prismatic mirror to give an apparent line of light on an object. The present invention can be embodied so as to give various patterns of lines by making the cylin- drical-concave reflector have a plurality of cylindrical-concave reflective surfaces.

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