Two -dimensional code scanner that possesses sound wave write -back function

The utility model relates to a bar code collector technical field, and disclose a two -dimensional code scanner that possesses sound wave write -back function, the on -line screen storage device comprises a base, the top fixedly connected with shell of base, the right side fixedly connected with swi...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	XIE XIAO, LI XIN, FANG YAMIN, LI MAOSHENG, XIANG BIN, MA XU, FENG LINLING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CALCULATING COMPUTING COUNTING HANDLING RECORD CARRIERS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS
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