Patent ID: 6161759
Filing Date: 2000-12-19
Classification: G06K

Abstract:
Apparatus for scanning an entire perimeter side wall of an object, comprising:a first scanner having a window in a rearward end, and operable to selectively emit a scan beam along a beam path through the window;means positioned in the beam path for dividing the beam path into first and second ancillary beam paths, said dividing means directing the ancillary beam paths in different directions;first and second mirrors, positioned in the first and second ancillary beam paths, to reflect the beam paths rearwardly and towards one another within substantially the same plane; anda back mirror located rearwardly of the first and second mirrors to form a passageway between the back mirror and first and second mirrors, the back mirror positioned to reflect the beam paths from the first and second mirrors forwardly and substantially coplanar.