Laser scanning system and scanning method for reading bar codes

G - Physics – 06 – K

Patent

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G06K 9/20 (2006.01) G06K 7/10 (2006.01) G06K 9/18 (2006.01)

Patent

CA 2060763

05/14/91 (D-DOC. 085) ABSTRACT OF THE DISCLOSURE A system for reading bar code symbols or the like, having a scanner for generating a laser beam directed toward a target and producing a narrow first raster scanning pattern that enables the user to manually aim and direct the beam to the location desired by the user and a relatively wider second raster scanning pattern that sweeps an entire symbol to be read, and a detector for receiving reflected light from such symbol to produce electrical signals corresponding to data represented by such symbol. 57

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