Safety helmet with wearing monitoring and attendance checking functions

The utility model relates to the technical field of construction sites, in particular to a safety helmet with wearing monitoring and attendance checking functions, which comprises a helmet body, an annular protecting band is fixedly connected in the helmet body, a supporting band is fixedly connecte...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG LONGMEI, FU YIMENG, TIAN ZHANCHAO, WAN LONG, ZHANG ZHENPING, XIAO BEIBEI, QIU XIAOWEI, CHEN YALEI, ZHANG XINGGUANG, ZHAO BOSHEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	HATS HEAD COVERINGS HEADWEAR HUMAN NECESSITIES
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