Scanning system with adjustable light output and/or scanning ang

Details Scanning system with adjustable light output and/or scanning ang Scanning system with adjustable light output and/or scanning ang

1988-10-21

1990-06-12

Pitts, Harold I.

Registers

Coded record sensors

Particular sensor structure

235463, G06K 710

Patent

active

049335383

ABSTRACT:
Apparatus for reading bar code symbols including a laser light source, an optical component for scanning a reference plane, and a sensor for detecting the light of variable intensity reflected from the target. A processor determines whether the reflected light represents a spatial variation that could represent a bar code and generates an enabling signal and a controller is provided for modifying the light beam in response to the enabling signal.

REFERENCES:
patent: 4125765 (1978-11-01), Cowardin et al.
patent: 4431912 (1984-02-01), Dickson
patent: 4713785 (1987-12-01), Antonelli
patent: 4782220 (1988-11-01), Shurien

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