Object sensor system for stationary position optical reader

Details Object sensor system for stationary position optical reader Object sensor system for stationary position optical reader

1997-10-17

1999-09-07

Pitts, Harold I.

Registers

Coded record sensors

Particular sensor structure

23546204, G06K 710

Patent

active

059490527

ABSTRACT:
The present invention relates to a system for sensing the presence of an object in the field of view of an imaging assembly of a stationary position optical reader. The system includes a specialized symbol disposed in a stationary position in relation to the imaging assembly of a specially configured optical reader. An optical reader according to the invention is configured to determine whether an object is in the field of view of the imaging assembly and determining whether features of the specialized symbol are present in the image information.

REFERENCES:
patent: 5039847 (1991-08-01), Morii et al.
patent: 5343028 (1994-08-01), Figarella et al.
patent: 5513017 (1996-04-01), Knodt et al.
patent: 5550366 (1996-08-01), Roustaei
patent: 5557091 (1996-09-01), Krummel

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