WO1996039614A3 - Coupling for multiple masses in a micromachined device - Google Patents

Coupling for multiple masses in a micromachined device Download PDF

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Publication number
WO1996039614A3
WO1996039614A3 PCT/US1996/008707 US9608707W WO9639614A3 WO 1996039614 A3 WO1996039614 A3 WO 1996039614A3 US 9608707 W US9608707 W US 9608707W WO 9639614 A3 WO9639614 A3 WO 9639614A3
Authority
WO
WIPO (PCT)
Prior art keywords
masses
coupling
micromachined device
couplings
multiple masses
Prior art date
Application number
PCT/US1996/008707
Other languages
French (fr)
Other versions
WO1996039614A2 (en
Inventor
John A Geen
Original Assignee
Analog Devices Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Analog Devices Inc filed Critical Analog Devices Inc
Publication of WO1996039614A2 publication Critical patent/WO1996039614A2/en
Publication of WO1996039614A3 publication Critical patent/WO1996039614A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/56—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
    • G01C19/5719—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using planar vibrating masses driven in a translation vibration along an axis

Abstract

A micromachined device has two suspended masses (12a, 12b) positioned near each other, each of the masses being dithered along a dither axis (16). Two couplings (46), each including an arcuate member (48) and anchored support beams (52), are provided between the masses to allow relative anti-phase movement and to resist relative in-phase movement. The couplings (46) extend around a region intermediate the masses where a dither detection device is disposed.
PCT/US1996/008707 1995-06-06 1996-06-05 Coupling for multiple masses in a micromachined device WO1996039614A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/469,896 1995-06-06
US08/469,896 US5635638A (en) 1995-06-06 1995-06-06 Coupling for multiple masses in a micromachined device

Publications (2)

Publication Number Publication Date
WO1996039614A2 WO1996039614A2 (en) 1996-12-12
WO1996039614A3 true WO1996039614A3 (en) 1997-02-06

Family

ID=23865460

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1996/008707 WO1996039614A2 (en) 1995-06-06 1996-06-05 Coupling for multiple masses in a micromachined device

Country Status (2)

Country Link
US (1) US5635638A (en)
WO (1) WO1996039614A2 (en)

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Also Published As

Publication number Publication date
WO1996039614A2 (en) 1996-12-12
US5635638A (en) 1997-06-03

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