DEVICE FOR READING FLUORESCENT BAR CODES WITH PREDETECTION OF INTENSITY

The device has an excited fluorescent bar code`s luminous intensity pre-detection system (4) delivering a pre-detection signal corresponding to a luminous intensity emitted by an excited fluorescent bar code. The system controls a fluorescent bar code reading head (3) based on the signal used as a c...

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Bibliographische Detailangaben
Hauptverfasser:	MITTE, CLAUDE, PHILIPPE, AGNES
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CALCULATING COMPUTING COUNTING HANDLING RECORD CARRIERS PERFORMING OPERATIONS PHYSICS POSTAL SORTING PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS SEPARATING SOLIDS FROM SOLIDS SORTING SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTEDPIECE-MEAL, e.g. BY PICKING TRANSPORTING
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Beschreibung
Zusammenfassung:	The device has an excited fluorescent bar code`s luminous intensity pre-detection system (4) delivering a pre-detection signal corresponding to a luminous intensity emitted by an excited fluorescent bar code. The system controls a fluorescent bar code reading head (3) based on the signal used as a control threshold. The system has a casing (33) with a window (34) on the casing wall, a lighting system (35) formed of LEDs placed on both sides of the window and a spot detector (39) e.g. photodiode, providing the signal to a control/processing unit (31) controlling the head.