Rate-of-rotation sensor having frequency adjustment

Details Rate-of-rotation sensor having frequency adjustment Rate-of-rotation sensor having frequency adjustment

2007-10-30

2007-10-30

Kwok, Helen (Department: 2856)

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

C073S001770

Reexamination Certificate

active

11137977

ABSTRACT:
A yaw-rate sensor having a resonant driving frequency and a resonant Coriolis frequency. In addition, the yaw-rate sensor has at least one operating voltage, of which the resonant Coriolis frequency is a function. The resonant Coriolis frequency is adjusted to the resonant driving frequency with the aid of an adjustment voltage. A change in the resonant Coriolis frequency as a result of a change in the operating voltage may be compensated for, in that a suitably changed adjusting voltage may be produced from a compensation circuit.

REFERENCES:
patent: 6675630 (2004-01-01), Challoner et al.
patent: 7159441 (2007-01-01), Challoner et al.
patent: 199 10 415 (1999-03-01), None
patent: 1335187 (2003-08-01), None
patent: WO2004/038331 (2004-05-01), None

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