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

1989-06-16

1992-06-23

Trafton, David

Registers

Coded record sensors

Particular sensor structure

235467, 235470, 359220, 359221, 359223, G06K 710

Patent

active

051245396

ABSTRACT:
Multiple scan line pattern generators including 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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