Patent · US Active

Internal sensor with disturbing current reduced by compensation branches

US7451648B2 · kind B2 · utility

3Cited by

6References

7Claims

0Family size

Assignee

SAGEM DEFENSE SECURITE · FR

Inventors

Raphael Brisson · Boulogne-Billancourt, FR
Paul David Featonby · Newcastle, GB

Key dates

Filing date	Jun 30, 2006
Grant date	Nov 18, 2008
Priority date	—
Expiry date	Feb 15, 2027

Classification

Technology area (CPC G)Physics
CPC primaryG01P15/09
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The inertial sensor comprises a piezoelectric plate having a vibrator member defined therein carrying excitation electrodes connected to an excitation circuit including conductor tracks carried by the piezoelectric plate the excitation circuit including a disturbing circuit portion in which the excitation circuit has compensation branches associated with corresponding disturbing conductor track portions, each compensation branch having one end connected to the corresponding disturbing conductor track portion and extending on a side of the midplane that is opposite from the side on which the corresponding disturbing conductor track portion extends.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.