SYSTEM AND METHOD FOR READING OPTICAL CODES ON REFLECTIVE SURFACES WHILE MINIMIZING FLICKER PERCEPTION OF PULSED ILLUMINATION

SYSTEM AND METHOD FOR READING OPTICAL CODES ON REFLECTIVE SURFACES WHILE MINIMIZING FLICKER PERCEPTION OF PULSED ILLUMINATION

Methods and systems are disclosed for improved operation of readers of optical codes presented on electronic display screens or other highly reflective surfaces. Certain configurations include controlling image exposure and illumination pulse timing so as to avoid or minimize the perception of flick...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GAO WENLIANG, CHERRY CRAIG D
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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Beschreibung
Zusammenfassung:Methods and systems are disclosed for improved operation of readers of optical codes presented on electronic display screens or other highly reflective surfaces. Certain configurations include controlling image exposure and illumination pulse timing so as to avoid or minimize the perception of flicker of the pulsed illumination by a user or bystander while implementing methods for reading optical codes presented on electronic display screens or other highly reflective surfaces.