| 摘要 |
PURPOSE:To obtain a vibration gyroscope, which can sufficiently vibrate a vibrating body even with a low-voltage power supply, has a less drift signal and has the excellent sensitivity. CONSTITUTION:The vibrator 12 includes a triangle-pole-shaped vibrating body 14. Piezoelectric elements 16a, 16b and 16c are formed on the side surfaces of the vibrating body. Resistors 26 and 28 are connected to the piezoelectric elements 16a and 16b. An oscillating circuit 30 and a phase correcting circuit 32 are connected between the resistors 26 and 38 and the piezoelectric element 16c. A signal, whose phase is reverse to a driving signal, is inputted into the grounding terminal of the vibrator 12. The output signals of the piezoelectric elements 16a and 16b are inputted into a differential circuit 36. |
