Measuring and testing – Speed – velocity – or acceleration – Acceleration determination utilizing inertial element
Reexamination Certificate
2007-01-02
2007-01-02
Williams, Hezron (Department: 2856)
Measuring and testing
Speed, velocity, or acceleration
Acceleration determination utilizing inertial element
C073S001380, C073S514320, C073S514190, C073S001370, C073S514170, C324S661000, C324S662000, C324S684000, C324S686000
Reexamination Certificate
active
10198720
ABSTRACT:
An oversampling electromechanical modulator, including a micro-electromechanical sensor which has a first sensing capacitance and a second sensing capacitance and supplies an analog quantity correlated to the first sensing capacitance and to the second sensing capacitance; a converter stage, which supplies a first numeric signal and a second numeric signal that are correlated to the analog quantity; and a first feedback control circuit for controlling the micro-electromechanical sensor, which supplies an electrical actuation quantity correlated to the second numeric signal. The electromechanical modulator moreover includes a second feedback control circuit for calibrating the micro-electromechanical sensor, which includes an offset-sensing circuit that can be activated by the first numeric signal, and a programmable calibration circuit, having a programmable calibration capacitance, which is connected to the micro-electromechanical sensor and is controlled by the offset-sensing circuit for balancing of the first sensing capacitance and second sensing capacitance.
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Greco Valeria
Lasalandra Ernesto
Pasolini Fabio
Bennett II Harold H.
Jorgenson Lisa K.
Seed IP Law Group PLLC
Shah Samir M.
STMicroelectronics S.r.l.
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