About 44 results
https://drivepatents.com/patents/1079673 · 2 Mar 2005
A transducer (10) including a pair of oscillating reeds (1a, 1b) extending in the Y-direction for generating a first oscillation for generating a Coriolis force corresponding to the rotation of the transducer (10), a beam (2) extending in the X-direction a...
https://drivepatents.com/patents/1081369 · 22 Dec 2004
A piezoelectric device comprises a piezoelectric resonator element (10); a lead wire (15A, 15B, 16A, 16B) holding the piezoelectric resonator element (10), one end portion of the lead wire being connected to the piezoelectric resonator element (10); and a ...
https://drivepatents.com/patents/1081910 · 1 Dec 2004
Disclosed is a vibrator unit comprising a support section (14) for supporting a vibrator (10) on a substrate (17), the vibrator comprising a drive section (11A,11B) and a detection section (12). The drive section (11A,11B) comprises first and a second para...
https://drivepatents.com/patents/1082971 · 27 Oct 2004
The method involves obtaining high data rate vibration samples and estimating vibration power spectral density. The estimates are combined with previously determined calibration coefficient, for generating real time vibration induced error correction. Inde...
https://drivepatents.com/patents/1083775 · 22 Sep 2004
An object of the present invention is to reduce a rise time required for stabilizing the vibration state of a vibrator and the scale of a circuit needed for the activation of a driving vibration in exciting the driving vibration in the vibrator. A driving ...
https://drivepatents.com/patents/1088391 · 7 Apr 2004
The gyroscope has a rectangular prism shaped vibrator (11) with two nodes (N1, N2) and support parts (12). The support parts sandwiches the nodes in a vertical direction and extends in a direction perpendicular to the vertical and longitudinal directions o...
https://drivepatents.com/patents/1094054 · 13 Aug 2003
A rotation-type decoupled MEMS gyroscope including a drive body (10) movable about the X-axis, a sensing body (30) movable about the Z-axis, a medium body (20) moving together with the drive body about the X-axis and the sensing body about the Z-axis. The ...
https://drivepatents.com/patents/1096024 · 14 May 2003
The present invention describes a method to calibrate an angular measurement device using an acceleration measurement device. The angular rate measurement device includes at least one angular measurement sensor and is able to distinguish the direction and ...
https://drivepatents.com/patents/1101314 · 2 Oct 2002
A gyroscopic apparatus contains two gyro sensors having the same structure. The two gyro sensors are arranged on first and second principal surfaces, respectively, of a mounting base so that the gyro sensors have a 180-degree rotation symmetry about a virt...
https://drivepatents.com/patents/1102340 · 21 Aug 2002
Method in which a capacitor is used to detect the effect of the Coriolis effect acting on the spring-mass system. A time varying signal generated from the capacitor is demodulated over multiple frequencies. The electrical signal includes a time varying ele...