Acoustic device
AssigneeShenzhen Dancing Future Technology Ltd.
InventorsChuanbo WANG, Hongguo DENG, Haoquian LI
Life of this patent
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Abstract
An acoustic device is provided, including a housing, and a sound source disposed in the housing, where the housing is provided with a sound outlet hole and a reverse-phase sound hole in different surfaces of the housing, and sounds emitted from the sound outlet hole and from the reverse-phase sound hole are opposite in phase and identical in amplitude; a first sound cavity is formed between a front end of the sound source and the sound outlet hole, and a second sound cavity is formed between a rear end of the sound source and the reverse-phase sound hole; and the first sound cavity is communicated with the second sound cavity through an acoustic dipole tube.
Claims19
An acoustic device, comprising a housing and a sound source disposed in the housing, wherein the housing is provided with a sound outlet hole and a reverse-phase sound hole in different surfaces of the housing;
- sounds emitted from the sound outlet hole and from the reverse-phase sound hole are opposite in phase and identical in amplitude;
- a first sound cavity is formed between a front end of the sound source and the sound outlet hole, and a second sound cavity is formed between a rear end of the sound source and the reverse-phase sound hole;
- and the first sound cavity is communicated with the second sound cavity through an acoustic dipole tube.
Dependencies are inferred from the claim text.