Patent ID: 9581614
Date: 2017-02-28
CPC Classifications: B81B,G01P

Claim:
1. A MEMS acceleration sensor comprising: a frame; a first proofmass located within the frame, the first proofmass including a left side, a right side, a top, and a bottom; an axis running from the left side to the right side at about a median point between the top and the bottom; a first flexure running along the axis and coupling the left side to the frame; a second flexure running along the axis and coupling the right side to the frame; a first channel that extends from the bottom up past the axis to a first channel end; a second channel that extends from the top down past the axis to a second channel end; a second proofmass located within the first channel and coupled to the first proofmass via a first hinge and a first gauge at the first channel end and coupled to the frame at the bottom via a second hinge and a second gauge; and, a third proofmass located within the second channel and coupled to the first proofmass via a third hinge and a third gauge at the second channel end and coupled to the frame at the top via a fourth hinge and a fourth gauge.