Patent 11805370 was granted and assigned to Knowles (company) on October, 2023 by the United States Patent and Trademark Office.
A balanced armature receiver including a diaphragm with an elastomer surround is disclosed. The surround is fastened to multiple surfaces of the diaphragm and can be a siloxane-based material. In one implementation, the diaphragm includes a paddle flexibly coupled to a frame and the surround covers a gap between the frame and the paddle.