G - Physics – 10 – D
Patent
G - Physics
10
D
84/59
G10D 9/06 (2006.01)
Patent
CA 1124559
ABSTRACT "MUTES FOR WIND INSTRUMENTS" A mute for a wind instrument comprising a hollow shell adapted for fitting in the bell of the wind instrument and having an inlet and outlet for air passing through the instrument, the shell having an anechoic chamber located between and communicating with said inlet and outlet, a tube extending towards said inlet and defining an exit passage from the chamber, a baffle arranged within the shell between the chamber and the outlet, so as to permit passage of air only around its periphery, the tube being arranged to direct air exiting from the chamber towards the central region of the baffle and being arranged to function as an anegergic means so as to dampen sound waves travelling from the chamber to the baffle.
339160
Gowling Lafleur Henderson Llp
Mackie Robert D.
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