LOUDSPEAKER UNIT AND LOUDSPEAKER Russian patent published in 2022 - IPC H04R1/24 H04R7/12 

FIELD: acoustic systems.

SUBSTANCE: inventions group relates to a loudspeaker, in particular, relates to a high-performance acoustic system of a compound type with a curved diaphragm, which allows hearing-impaired people to hear on a par with hearing people without using a hearing aid, and which also expands the playback frequency band. The loudspeaker unit includes a first cone-shaped diaphragm, a second leaf-shaped diaphragm that includes a single rounded surface area that is curved, and a drive unit that drives the first diaphragm and the second diaphragm together. The excitation block is connected to the side of the small diameter of the first diaphragm and one end side of the second diaphragm.

EFFECT: improvement in sound quality is achieved by widening the reproduction bandwidth, and a favorable sound pressure sensation is provided without increasing the cabinet size.

15 cl, 16 dwg