LOUDSPEAKER AND MOBILE TERMINAL Russian patent published in 2022 - IPC H04R9/06 

FIELD: acoustics.

SUBSTANCE: group of inventions relates to loudspeakers and a mobile terminal. The loudspeaker includes a body and a main component located in the body, wherein a front cavity and a back cavity are provided in the body, the front cavity communicates with the external space and the back cavity constitutes an isolated cavity. In order to reduce the area of space occupied by the entire loudspeaker, the front cavity and the back cavity are located on top of each other when placed. The front cavity and the back cavity are at least partially located above each other in the direction of thickness of the main component. The back cavity is located in the space of the entire loudspeaker in the direction of thickness of the main component, provided that the size of the back cavity complies with the requirement.

EFFECT: reduction in the area occupied by the entire loudspeaker in the mobile terminal.

23 cl, 13 dwg