Vibration type angular velocity sensor

Details Vibration type angular velocity sensor Vibration type angular velocity sensor

2006-11-14

2006-11-14

Kwok, Helen (Department: 2856)

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

C073S504140, C073S001370

Reexamination Certificate

active

07134336

ABSTRACT:
A vibration type angular velocity sensor includes: a first and a second angular velocity sensors; and an anomaly monitoring signal generating and outputting unit including an opposite phase waveform synthesis portion. The first and the second angular velocity sensors include: a vibrator; a vibration driving unit; and a detection waveform generation unit. The opposite phase waveform synthesis portion synthesizes the first and the second detection waveforms with opposite phase. The anomaly monitoring signal generating and outputting unit generates and outputs an anomaly monitoring signal on the basis of a synthesized opposite phase waveform synthesized from the first and the second detection waveforms.

REFERENCES:
patent: 6584841 (2003-07-01), Ichinose et al.
patent: 6608425 (2003-08-01), Ebara et al.
patent: 6934665 (2005-08-01), Rober
patent: A-2003-21517 (2003-01-01), None

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