Patent ID: 11879907
Assignee: AAC KAITAI TECHNOLOGIES (WUHAN) CO., LTD
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 2:
3. The acceleration sensor of claim 2, wherein the plurality of out-of-plane displacement detection devices are displacement-capacitance detection devices, and each of the out-of-plane displacement detection devices comprises a first Z-axis capacitance plate arranged on one side of the outer coupling unit and/or the seesaw structures and/or the inner coupling unit along the third direction, and a second Z-axis capacitance plate anchored on the substrate and forming a detection capacitance structure with the first Z-axis capacitance plate; or
the plurality of out-of-plane displacement detection devices are displacement-capacitance detection device, and each of the out-of-plane displacement detection devices comprises a first Z-axis capacitance plate arranged on one side of the outer coupling unit and/or the seesaw structures and/or the inner coupling unit along the third direction, a second Z-axis capacitance plate anchored on the substrate and forming a detection capacitance structure with the first Z-axis capacitance plate, and a third Z-axis horizontal capacitance plate arranged on the other side of the outer coupling unit and/or the seesaw structures and/or the inner coupling unit along the third direction, forming a detection capacitance structure with the second Z-axis capacitance plate and differentially arranged with the first Z-axis capacitance plate.