Measuring and testing – Speed – velocity – or acceleration – Angular rate using gyroscopic or coriolis effect
Patent
1996-07-22
1998-02-24
Chapman, John E.
Measuring and testing
Speed, velocity, or acceleration
Angular rate using gyroscopic or coriolis effect
G01P 904
Patent
active
057213771
ABSTRACT:
In an angular velocity sensor, an acceleration sensor is arranged on a resonator formed of a multilayer substrate and attached to a resonating bar. The multilayer substrate includes a top silicon layer, an insulating sacrificial layer arranged below the top silicon layer, and a bottom silicon layer arranged below the insulating sacrificial layer. An excitor causes the resonator to vibrate while a limit stop, configured out of the multilayer substrate, limits the movement of the resonator.
REFERENCES:
patent: 5275047 (1994-01-01), Zabler et al.
patent: 5396797 (1995-03-01), Hulsing, II
Baumann Helmut
Heyers Klaus
Kurle Juergen
Lutz Markus
Muenzel Horst
Chapman John E.
Robert & Bosch GmbH
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