Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Reexamination Certificate
2006-06-01
2008-12-09
Allen, Stephone B. (Department: 2872)
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
C359S836000
Reexamination Certificate
active
07463394
ABSTRACT:
A device for linear scanning includes a roof prism. The roof prism includes a roof of two mutually perpendicular reflecting surfaces intersecting in a line of intersection. A scanning mechanism moves the roof prism in a direction perpendicular to a plane of bilateral symmetry. The line of intersection is included in the plane of bilateral symmetry; and an incident beam entering the prism and an exit beam exiting the prism are angularly separated by a substantial angle. Preferably, the scanning mechanism generates periodic motion or rotational motion of the roof prism with a radius of motion greater than a dimension of the roof prism.
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Allen Stephone B.
Callaway Jade
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