Method and system of exciting a driving vibration in a vibrator

Details Method and system of exciting a driving vibration in a vibrator Method and system of exciting a driving vibration in a vibrator

2006-08-15

2006-08-15

Raevis, Robert (Department: 2856)

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

Reexamination Certificate

active

07089793

ABSTRACT:
An object of the present invention is to reduce a rise time required for stabilizing the vibration state of a vibrator and the scale of a circuit needed for the activation of a driving vibration in exciting the driving vibration in the vibrator. A driving vibration is excited in a vibrator1for outputting a detection signal generated based on the driving vibration and a physical value, and the physical value is measured based on the detection signal. The driving vibration is excited using a circuit9A for self-excited vibration having a CR oscillator5A to generate an oscillation loop together with the vibrator1.An activating signal of rectangular wave is applied on the vibrator1using the CR oscillator5A to start the driving vibration in the vibrator1.

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