Patent ID: RE42651

Claim:
An optical scanner comprising: a housing having a substantially vertical surface containing a first aperture and a substantially horizontal surface containing a second aperture; a single laser which produces a laser beam within the housing; a polygon spinner having mirrored facets for reflecting the laser beam in a plurality of directions to produce a plurality of scanning beams including a first group of scanning beams, a second group of scanning beams, and a third group of scanning beams; and a plurality of pattern mirrors, including a plurality of groups of pattern mirrors, for reflecting the first group of scanning beams through the first aperture to produce a first scan pattern consisting of a plurality of intersecting scan lines, for reflecting the second group of scanning beams through the first aperture to produce a second scan pattern consisting of a plurality of intersecting scan lines, and for reflecting the third group of scanning beams through the second aperture to produce a third scan pattern consisting of a plurality of intersecting scan lines.