AAC Acoustic Technologies(Shenzhen)Co., Ltd. Patent applications |
Patent application number | Title | Published |
20130329937 | Micro-Speaker - Disclosed is a micro-speaker. A micro-speaker includes a frame, a magnetic circuit unit accommodating in the frame, a vibrating unit, an assistant coil attached to the frame and disposed below the diaphragm. The vibrating unit includes a diaphragm and a voice coil driving the diaphragm. The assistant coil includes an upper surface facing the diaphragm and an inclined surface connecting the upper surface and disposed closer to the voice coil than the upper surface. | 12-12-2013 |
20130259290 | Micro-Speaker - Disclosed is a micro-speaker. The micro-speaker includes a frame, a magnetic circuit unit assembled with the frame, a diaphragm extending along a longitudinal direction, a coil, an elastic member and an FPC. The diaphragm includes a top plate and a periphery portion surrounding the top plate. The top plate includes a supporting portion extending from the top plate towards the base wall of the frame and disposed at a periphery portion of the top plate in the longitudinal direction. The elastic member includes an elastic part, a first end connecting to the supporting portion of the diaphragm and a second end connecting to the frame. | 10-03-2013 |