Laser scanning method and system employing visible...

Registers – Coded record sensors – Particular sensor structure

Reexamination Certificate

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C235S462250, C235S472010

Reexamination Certificate

active

07055745

ABSTRACT:
A method of and system for automatically identifying packages during manual package sortation operations, wherein, a laser scanning system is supported above a workspace environment of 3-D spatial extent, which can be occupied by a human operator involved in the manual sortation of packages bearing bar code symbols. During operation of the system, a laser scanning pattern generator projects an omnidirectional laser scanning pattern that spatially encompasses a substantial portion of the workspace environment, through which packages are transported during sorting operations. A visible scanning-zone indication pattern is projected onto the floor surface immediately beneath the omni-directional laser scanning pattern. As the human operator uses the visible scanning-zone pattern to guide the transport of a package bearing a bar code symbol through the workspace environment, the package is automatically identified by the laser scanning system supported above the workspace environment.

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