Wideband telephone having two earphones

The present invention relates to a wideband telephone, characterized in that it comprises two different earphones and means for emitting sound signals through said earphones, the sound signals emitted through one of said earphones being in frequency bands that are different from the frequency bands...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	DEVIGE, FABRICE
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 TELEPHONIC COMMUNICATION
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