Portable recorder and use method thereof

The invention relates to a portable recorder and a using method thereof, and belongs to the technical field of recorders, the portable recorder comprises a recorder body and a mounting base arranged on the side face of a helmet, the mounting base is obliquely arranged on the side face of the helmet,...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YANG QINSHU, YANG LI, LIU SONG, YANG YONG, ZHOU XIA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY HATS HEAD COVERINGS HEADWEAR HUMAN NECESSITIES PICTORIAL COMMUNICATION, e.g. TELEVISION
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