Planar mechanical resonator sensitive along an axis...

Details Planar mechanical resonator sensitive along an axis... Planar mechanical resonator sensitive along an axis...

2005-05-10

2005-05-10

Kwok, Helen (Department: 2856)

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

C073S504040, C073S504130

Reexamination Certificate

active

06889550

ABSTRACT:
The invention concerns a mechanical resonator with a planar monolithic vibrating structure extending along a closed contour whereof the axis of sensitivity is substantially perpendicular to the plane of said structure. The invention is characterised in that the planar structure (1) is a regular convex polygon with 4kvertices (3) (k being the order of the vibrational mode implemented when the resonator is vibrated) and is suspended to a fixed base (4, 5) via n suspension arms (2) with substantially radial extension arranged substantially symmetrically.

REFERENCES:
patent: 5226321 (1993-07-01), Varnham et al.
patent: 5915276 (1999-06-01), Fell
patent: 6089090 (2000-07-01), Namerikawa et al.
patent: 6192756 (2001-02-01), Kiruchi
patent: 6439050 (2002-08-01), Musalem et al.
patent: 2838820 (2003-10-01), None

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