Mixed electroacoustic transducer

1. An electro-acoustic transducer able to operate as an emitter and as a pick-up of sound waves in the environment and comprising a receptacle (1) having an opening for communicating with said environment, a first diaphragm (12) mounted inside to receptacle, and means (4) for causing said first diap...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FLUCKIGER, JEAN-FREDERIC, SCHNEITER, ALI, CURCHOD, ANNE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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