HAUT-PARLEUR DIGITAL A PERFORMANCE AMELIOREE

The loudspeaker has a set of membranes i.e. speaklets (4) suspended on a support (2), where the speaklets are bistable. An actuator is provided for each of the speaklets, so as to change each of the speaklets from a stable state to another stable state and vice-versa, where the actuator is one of a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DEJAEGER REMY, CASSET FABRICE
Format:	Patent
Sprache:	fre
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICALDEVICES MICROSTRUCTURAL TECHNOLOGY PERFORMING OPERATIONS PUBLIC ADDRESS SYSTEMS TRANSPORTING
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Beschreibung
Zusammenfassung:	The loudspeaker has a set of membranes i.e. speaklets (4) suspended on a support (2), where the speaklets are bistable. An actuator is provided for each of the speaklets, so as to change each of the speaklets from a stable state to another stable state and vice-versa, where the actuator is one of a piezoelectric actuator or a thermal actuator. A controller is provided to control the actuator, where the controller sends a re-initialization signal to the speaklets before sending a control signal. An independent claim is also included for a method for making a loudspeaker.