Intelligence usher explains system

The utility model provides an intelligence usher explains system, including computer, projector, audio amplifier, infrared induction lamp, high projection curtain, speech recognition chip and the microphone of passing through, the projector adopts rear -projection mode or the formation of image of f...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG WEI, ZHAO DATONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADVERTISING CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION LABELS OR NAME-PLATES PHYSICS SEALS SIGNS
Online-Zugang:	Volltext bestellen
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