Mechanical oscillator control electronics

Details Mechanical oscillator control electronics Mechanical oscillator control electronics

2005-04-26

2008-10-28

Chang, Joseph (Department: 2817)

Oscillators

Solid state active element oscillator

Transistors

C331S010000, C074S005400

Reexamination Certificate

active

07443257

ABSTRACT:
A control system for a mechanical oscillator having a sinusoidal drive signal with a frequency that is a fractional multiple of a frequency of a signal of the mechanical oscillator. The drive signal may be in phase and in registration with the signal from the mechanical oscillator. A sense signal may be picked off from the oscillator and be demodulated to obtain a parameter sensed by the oscillator. The drive signal to the oscillator may be selected or blanked out while receiving and demodulating the sense signal.

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