Low-frequency sound generator

Details Low-frequency sound generator Low-frequency sound generator

B - Operations, Transporting

06

B

15/1, 349/53

B06B 1/18 (2006.01) B06B 1/20 (2006.01) G10K 9/04 (2006.01)

Patent

CA 1146663

ABSTRACT A low-frequency sound generator for generating intense sound comprising a resonator. Pressurized gas is supplied to the resonator as pulses through a feeder. A movable unit is provided for positive feedback of the sound pressure in the resonator to the feeder at a predetermined resonance frequency of the resonator but not at other frequencies. The unit has a resonance frequency higher than the fundamental of the resonator, but lower than the first harmonic.

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