Acoustic waveguide and electroacoustic system comprising said waveguide

Acoustic waveguide (1) comprising: - an internally hollow primary body (2), provided with an opening (3) for an incoming acoustic radiation and an outlet opening (4) for diffusing said radiation to the outside of said guide (1), the primary body (2) defining an acoustic flared conduit (9) for propag...

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Bibliographische Detailangaben
1. Verfasser:	MAGALOTTI, ROBERTO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS PUBLIC ADDRESS SYSTEMS SOUND-PRODUCING DEVICES
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Beschreibung
Zusammenfassung:	Acoustic waveguide (1) comprising: - an internally hollow primary body (2), provided with an opening (3) for an incoming acoustic radiation and an outlet opening (4) for diffusing said radiation to the outside of said guide (1), the primary body (2) defining an acoustic flared conduit (9) for propagating said acoustic radiation between the inlet opening (3) and the outlet opening (4), - a plurality of acoustic discontinuity elements (L 1 , ..., L N ) provided inside the acoustic conduit (9) between the inlet opening (3) and the outlet opening (4), and which are such as to interfere with said acoustic radiation propagating inside the acoustic conduit (9), characterized in that: said plurality of acoustic discontinuity elements comprises an array of spaced apart pins (5) transversal to the acoustic conduit (9).