Elevator helmet device and elevator maintenance system

The invention discloses an elevator helmet device which comprises the components of a helmet which is suitable for being worn on the head of an elevator operator; a main hardware module which is arranged on the helmet and is provided with a circuit board and a memory arranged on the circuit board; a...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	LIAO DONGBO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PICTORIAL COMMUNICATION, e.g. TELEVISION
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!