Patent ID: 11950054
Assignee: AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. The MEMS condenser microphone as described in claim 4, wherein the electrostatic clutch further comprises a sixth connecting part, a second suspension beam, and a second suspension plate;
the sixth connecting part comprises an end connected to the connecting rod, and another end connected to the multiple arrays of biased electrodes;
two ends of the second suspension plate are suspended and supported in the vacuum cavity by means of the second suspension beam, the multiple arrays of HIN electrodes are arranged on the second suspension plate and spaced from each other, and a respective one of third gaps is formed between any two adjacent arrays of the multiple arrays of HIN electrodes;
the multiple arrays of biased electrodes one-to-one correspond to and extend into the third gaps; and
the capacitive sensing structure comprises fourth sensing moving electrodes and fourth sensing static electrodes, the fourth sensing moving electrodes are fixed to a bottom of the suspension plate, the fourth sensing static electrodes are arranged on the base plate and spaced from each other, and the fourth sensing static electrodes are opposite to the fourth sensing moving electrodes.