Echo-eliminating microphone

Details Echo-eliminating microphone Echo-eliminating microphone

H - Electricity

04

R

H04R 1/02 (2006.01) H04R 1/28 (2006.01)

Patent

CA 2469447

A microphone (1) comprises a microphone housing (5), a sound-transducer (7) in a foremost part of the housing (15) and an inner space in the housing (5) behind the transducer (7), and there is provided a mechanical system (4, 8; 6) to provide variable ventilation for the inner space. Preferably, the mechanical system is formed by an inner sleeve (8) that can be displaced by operating a knob (4).

La présente invention concerne un microphone (1) comprenant un boîtier de microphone (5), un transducteur sonore (7) situé dans une partie avant du boîtier (15), et un espace intérieur du boîtier (5) situé derrière le transducteur (7). Un système mécanique (4, 8 ; 6) permet d'obtenir une ventilation variable pour l'espace intérieur. De préférence, ce système mécanique est constitué d'un manchon intérieur (8) pouvant être déplacé par l'actionnement d'un bouton (4).

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