Scan pattern generators for bar code symbol readers

Details Scan pattern generators for bar code symbol readers Scan pattern generators for bar code symbol readers

G - Physics

06

K

88/96

G06K 7/10 (2006.01) G02B 26/10 (2006.01)

Patent

CA 1293875

ABSTRACT OF THE DISCLOSURE Multiple scan line pattern generators includ- ing bidirectional scan patterns of mutually parallel scan lines, and scan patterns composed of intersecting lines, are superimposed over bar code symbols to be read. At least one of the scan lines is automatically moved closer to and further away from a reader to perform a zooming function to read far-out and close-in symbols.

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