Oscillation type intertial force sensor

Details Oscillation type intertial force sensor Oscillation type intertial force sensor

2008-04-08

2008-04-08

Kwok, Helen C. (Department: 2856)

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

Reexamination Certificate

active

11682990

ABSTRACT:
The oscillation type inertial force sensor includes an oscillator arranged to detect an inertial force, an oscillation circuit unit arranged to drive the oscillator, and a signal processing circuit unit arranged to generate a signal according to the magnitude of the inertial force on the basis of a detection output of the oscillator, and further includes a holding arranged to hold a processed signal in the signal processing circuit unit at a predetermined potential during a period immediately after power-on until operation of the oscillation circuit unit becomes stable in response to power-on.

REFERENCES:
patent: 5902931 (1999-05-01), Mori et al.
patent: 6553835 (2003-04-01), Hobbs et al.
patent: 7124632 (2006-10-01), Smith
patent: 06-102046 (1994-04-01), None
patent: 09-292231 (1997-11-01), None
patent: 09-297028 (1997-11-01), None
patent: 10-221083 (1998-08-01), None
patent: 2003-065767 (2003-03-01), None
Official Communication for PCT Application No. PCT/JP2005/016549; mailed on Dec. 13, 2005.

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