HEARING AID Russian patent published in 2023 - IPC H04R25/00 

FIELD: acoustics; hearing aids.

SUBSTANCE: hearing aid contains a transmitter, a signal processing circuit, a vibrating loudspeaker. The signal processing circuit contains an equalizer, a dynamic range controller, a phase processor. The vibrating loudspeaker contains a housing, a connecting element and a vibrating assembly. The sound transmitter contains a housing, an acoustic transducer and a vibration unit. The vibration block separates the first acoustic cavity into a second acoustic cavity and a third acoustic cavity. The vibration block consists of a load and an elastic element. A transmitter, a signal processing circuit and a loudspeaker are housed in the hearing aid housing. The control signal contains the original signal and the sound leakage signal due to air conduction. The difference between the air conduction sound leakage signal received by said at least one sound transmitter and the original signal is no more than -33 dB.

EFFECT: improved sound clarity, prevention of sound signal distortion.

10 cl, 14 dwg