Waterproof fingerprint module structure

A fingerprint module comprises a metal ring, a first groove and a second groove are formed in the upper end of the metal ring, a through hole is formed in the metal ring in an up-down penetrating mode, the through hole communicates with the first groove, a left protrusion and a right protrusion are...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZENG XIAOJIANG, JIANG YIBIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CALCULATING COMPUTING COUNTING PHYSICS
Online-Zugang:	Volltext bestellen
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