Patent ID: 11950047
Assignee: PSS BELGIUM NV
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. A seat assembly including:
a seat; and
a loudspeaker for producing sound at bass frequencies;
wherein the loudspeaker includes:
a diaphragm;
a frame, wherein a proximal end of the diaphragm is suspended from the frame by at least one proximal suspension element, wherein the at least one proximal suspension element is configured to substantially prevent translational movement of the proximal end of the diaphragm relative to the frame, whilst permitting translational movement of a distal end of the diaphragm which is opposite to the proximal end of the diaphragm;
a drive unit configured to move the distal end of the diaphragm based on an electrical signal;

wherein the seat is configured to position a user who is sat down in the seat such that an ear of the user is located at a listening position that is in front of and 50 cm or less from the first radiating surface of the diaphragm.