Continuous self-test of a gyroscope
L Aaltonen, J Erkkilä - US Patent 11,293,756, 2022 - Google Patents
(57) ABSTRACT A microelectromechanical gyroscope includes a drive loop having a drive
element and a drive loop circuitry. The drive loop circuitry includes a clock generating …
element and a drive loop circuitry. The drive loop circuitry includes a clock generating …
Vibration type gyroscope
Y Furuta, N Matsudaira, T Nezuka - US Patent 11,262,212, 2022 - Google Patents
A gyroscope includes a MEMS sensor having a drive signal input terminal, a drive signal
output terminal, and a sense signal output terminal. The gyroscope further includes a …
output terminal, and a sense signal output terminal. The gyroscope further includes a …
IQ mismatch correction module
S Ramakrishnan, C Sriram, RK Chaudhari - US Patent 10,924,320, 2021 - Google Patents
An IQ estimation module comprising a powerup state IQ estimator configured to generate
powerup state IQ estimates based on a powerup calibration of the IQ estimation module, a …
powerup state IQ estimates based on a powerup calibration of the IQ estimation module, a …