Back to results
US 2017/0013378 A1Published application
Micro Speaker
AssigneeAAC Technologies Pte. Ltd.
InventorYang Zhang
Life of this patent
Estimating the term…
Abstract
A micro speaker is disclosed. The micro speaker includes a diaphragm and a voice coil for driving the diaphragm, the diaphragm including a conductive dome a suspension surrounding the conductive dome; a conductive front cover located adjacent to and keeping a distance from the conductive dome; and a capacitor formed by the conductive dome and the conductive front cover for outputting electrical signals according to vibrations of the diaphragm and for detecting real-time replacement of the diaphragm.
Claims4
A micro speaker, comprising:
- a diaphragm and a voice coil for driving the diaphragm, the diaphragm including a conductive dome a suspension surrounding the conductive dome;
- a conductive front cover located adjacent to and keeping a distance from the conductive dome;
- a capacitor formed by the conductive dome and the conductive front cover for outputting electrical signals according to vibrations of the diaphragm and for detecting real-time replacement of the diaphragm.
Dependencies are inferred from the claim text.