Circuit that restraines noise of plug audio equipment in -process

The utility model relates to an earphone equipment field, in particular to circuit that restraines noise of plug audio equipment in -process. Among the circuit that restraines noise of plug audio equipment in -process of this embodiment, voltage detection circuit sends the voltage variation signal f...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HU ZHONGJI, GONG XUESHU, YAN WENHUA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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