Horn for sportfans

Details Horn for sportfans Horn for sportfans

G - Physics

10

K

G10K 9/22 (2006.01) G10K 9/04 (2006.01)

Patent

CA 2122045

2122045 9309530 PCTABS00022 The horn according to the invention is provided with a pressure tube, a membrane and a sound tube, wherein both the pressure tube and the sound tube are in connection with said membrane. The horn is characterized in that the membrane is streched out on the front face of the pressure tube, the sound tube is arranged within and coaxial with the pressure tube and its front face rests flat against the central part of the membrane, an annular air gap is arranged between the outer surface of the sound tube and the inner surface of the pressure tube, said gap being closed at the end opposite to the membrane and there is a sound hole in the wall of the pressure tube.

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