Micro Speaker
AssigneeAAC Technologies Pte. Ltd.
InventorYang Zhang
Life of this patent
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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 and a suspension surrounding the conductive dome, the conductive dome including a plurality of units being isolated from each other; a conductive front cover located adjacent to and keeping a distance from the conductive dome; and a plurality of capacitors formed by the units of 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.
Claims5
A micro speaker, comprising:
- a diaphragm and a voice coil for driving the diaphragm, the diaphragm including a conductive dome and a suspension surrounding the conductive dome, the conductive dome including a plurality of units being isolated from each other;
- a conductive front cover located adjacent to and keeping a distance from the conductive dome;
- a plurality of capacitors formed by the units of 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.