Keyboard with PA -system

The utility model provides a keyboard with PA -system includes two PA -systems and a KBU, each the PA -system respectively detachably install in the KBU to using in the user during keyboard with PA -system, the user can be with each the PA -system install in KBU or follow the KBU separates to improv...

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Bibliographische Detailangaben
Hauptverfasser:	SHI LINBO, YING HAISHENG, LOU RANMIAO
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The utility model provides a keyboard with PA -system includes two PA -systems and a KBU, each the PA -system respectively detachably install in the KBU to using in the user during keyboard with PA -system, the user can be with each the PA -system install in KBU or follow the KBU separates to improve user's sense of hearing effect, convenience of customers uses.