DOUBLE-WALLED UNIT

Double-walled unit. The invention relates to a unit comprising a double wall and an active control system. The double wall defines a cavity. The active control system comprises one or more loudspeakers which are arranged in the cavity. Each of the one or more loudspeakers has a membrane. At least on...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MICHAU, Marc, LALLEMENT, Antoine, BOURE, Jean-Philippe
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES LADDERS METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS SOUND-PRODUCING DEVICES
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Beschreibung
Zusammenfassung:	Double-walled unit. The invention relates to a unit comprising a double wall and an active control system. The double wall defines a cavity. The active control system comprises one or more loudspeakers which are arranged in the cavity. Each of the one or more loudspeakers has a membrane. At least one loudspeaker is arranged in such a manner that its membrane is substantially parallel with the walls of the double wall and the loudspeaker has a thickness which is strictly less than the thickness of the cavity. The invention constitutes an improved unit comprising a double wall and an active control system.