Registers – Coded record sensors – Particular sensor structure
Patent
1996-04-29
1997-10-28
Hajec, Donald T.
Registers
Coded record sensors
Particular sensor structure
235462, 359213, 359224, G06K 710
Patent
active
056820291
ABSTRACT:
An optical scanning system for scanning indicia having portions of differing light reflectivity has a light emitter assembly, with a single light source, for emitting a beam of light to scan across the indicia. A first optical detector receives light reflected back from a first portion of the indicia. A second optical detector receives light reflected back from a second portion of the indicia. Each of the optical detectors includes a photodetector, a lens and an aperture which is disposed between the photodetector and lens.
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Dvorkis Paul
Shepard Howard
Tsi David
Hajec Donald T.
Lee Michael G.
Symbol Technologies Inc.
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