Patent ID: 8342026

Claim:
A vibrating gyroscope comprising: an oscillation circuit including a piezoelectric vibrator and a feedback-signal processing circuit arranged to input a detection voltage signal of the piezoelectric vibrator and feed back a drive voltage signal to the piezoelectric vibrator; and a detection circuit arranged to detect an electromotive voltage signal generated by vibrations of the piezoelectric vibrator caused by a Coriolis force; wherein a plurality of the piezoelectric vibrators are arranged to have different detection axes; each of the plurality of piezoelectric vibrators includes a drive electrode and detection electrodes; both detection voltage signal and the electromotive voltage signal are output from the same detection electrodes of each of the plurality of piezoelectric vibrators; the detection circuit is provided for each of the plurality of piezoelectric vibrators; and the feedback-signal processing circuit is arranged to input the detection voltage signal from the detection electrodes of each of the plurality of piezoelectric vibrators, and to apply a common drive voltage signal to the drive electrodes of all of the plurality of piezoelectric vibrators contained in the vibrating gyroscope.