Symbol scanning system and method having adaptive pattern genera

Details Symbol scanning system and method having adaptive pattern genera Symbol scanning system and method having adaptive pattern genera

1992-11-25

1995-12-26

Shepperd, John

Registers

Coded record sensors

Particular sensor structure

235470, G06K 710

Patent

active

054789974

ABSTRACT:
A symbol scanning system which adaptively changes scanning system parameters including light beam pattern and focus to improve barcode readability. The scanning system including; a scanner, responsive to coordinate control signals, for directing a light beam in a pattern at a symbol at a predetermined location, detecting a reflected portion of the light beam, and generating a feedback signal corresponding to the detected portion of the reflected light beam, a microprocessor, responsive to the feedback signal, for generating pattern control signals, and a pattern generator for generating the coordinate control signals in responsive to the pattern control signals and for determining the light beam pattern.

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