APPARATUS OF VOICE FOR TOWER CRANES

The present invention relates to a voice transmission device for a tower crane, wherein an operator working in a cabin of a tower crane transmits voice information to workers through a speaker arranged on a crane hook through a microphone to instruct the operation of connecting the crane hook and an...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
1. Verfasser:	LEE, EUN BOK
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY CRANES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HAULING HOISTING HOLOGRAPHY LIFTING LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION TRANSPORTING
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Schreiben Sie den ersten Kommentar!