ACOUSTIC OUTPUT DEVICE Russian patent published in 2022 - IPC H04R5/02 

FIELD: acoustics.

SUBSTANCE: acoustic output device contains at least one low-frequency acoustic exciter made with the possibility of output of sounds from at least two first sound directing holes; at least one high-frequency acoustic exciter made with the possibility of output of sounds from at least two second sound directing holes; and a support component made with the possibility of support of the specified at least one high-frequency acoustic exciter and the specified at least one low-frequency acoustic exciter and provision of that the specified at least two first sound directing holes and the specified at least two second sound directing holes are located at a distance from the user’s ear. The ratio of amplitudes of sounds output from the specified at least two first sound directing holes is the first amplitude ratio, and the ratio of amplitudes of sounds output from the specified at least two second sound directing holes is the second amplitude ratio, wherein the first amplitude ratio is greater than the second amplitude ratio.

EFFECT: increase in volume of listening by a user and reduction in sound leak.

9 cl, 16 dwg