Class 73/504.18 - With rotary gyroscope

Subclass of Class 73 - Measuring and testing
Definition: Subject matter including speed, velocity, or acceleration
No. of patents: 26
Last issue date: 11/09/2010

Number	Title	Issue Date
7827864	Microelectromechanical gyroscope with suppression of capacitive coupling spurious signals and control method A microelectromechanical gyroscope having a microstructure with a first mass, which can oscillate according to a first axis, and a second mass constrained to the first mass so as to oscillate according to a second axis in response to a rotation of the microstructure...	11/09/2010
7260991	Rotation-rate sensor A micromechanical rotation-rate sensor includes a substrate, an anchoring device provided on the substrate, as well as a first spiral spring device and a second spiral spring device, the two spiral spring devices being provided next to one another in mirror symmetry...	08/28/2007
7125510	Microstructure fabrication and microsystem integration Fabrication of a microstructure device includes assembling a mold component and a mold body to form a device mold for the microstructure device. The microstructure device is cast from the device mold, then the mold component is removed from the microstructure device...	10/24/2006
7107833	Inertial reference unit with internal backup attitude heading reference system An inertial reference unit (IRU) is described which includes a processor programmed to provide inertial data from received inertial signals, a primary sensor unit providing the inertial signals to the processor, and an input/output (I/O) unit communicatively coupled...	09/19/2006
7077007	Deep reactive ion etching process and microelectromechanical devices formed thereby A process for forming a microelectromechanical system (MEMS) device by a deep reactive ion etching (DRIE) process during which a substrate overlying a cavity is etched to form trenches that breach the cavity to delineate suspended structures. A first general feature...	07/18/2006
7061964	Electrostatic levitation furnance An electrostatic levitation furnace is improved by providing three pairs of electrodes opposed to each other respectively on three axes perpendicularly intercepting each other at a position where the sample is to be levitated in the vacuum chamber, and disposing a p...	06/13/2006
6925413	Method and system for detecting a spatial movement state of moving objects A method and a system for detecting the spatial movement state of moving objects, e.g., vehicles. Due to a, for example, non-cartesian arrangement of four rotational rate sensors and/or acceleration sensors, it is also possible to obtain a redundant signal in additi...	08/02/2005
6904377	Method for measuring force-dependent gyroscope sensitivity System and method for measuring force-dependent gyroscopic sensitivity. A force-effect model of the effects of acceleration on the output of a gyro triad is determined. Rotation sequences are then devised to permit excitation and observation of force-effect model pa...	06/07/2005
6845667	High Q angular rate sensing gyroscope A structure and arrangement for improving the accuracy and efficiency of an angular rate sensing gyroscope is herein disclosed. Voltage pick-off conductors are applied to an area of the surface of a resonating element of an angular rate sensing gyroscope that is sub...	01/25/2005
6842153	Instrument alignment devices and methods An apparatus for determining an instrument boresight azimuth heading. A typical apparatus comprises a gyro having a first input and a first output and a rocking angle generator having a second output, wherein the second output is communicatively coupled to the first...	01/11/2005
6776041	Micromechanical rotation rate sensor A micromechanical yaw rate sensor having: a substrate having an anchoring device provided on the substrate; and an annular flywheel that is connected, via a flexural spring system, with the anchoring device in such a way that the area of connection with the anchorin...	08/17/2004
6561028	Mechanical resonator for a rotation sensor Resonator which can be produced by micromachining and has a mass part (DF1, DF2, V1, V2) which is fixed by means of a resilient suspension (FA) to an anchoring point (AN) in such a way that it can perform rotary oscillations in its plane, in which, in the...	05/13/2003
6305222	Road vibration compensated angular rate sensor A motion sensor (10) includes a micromachined sensing structure and a number of capacitive electrodes (20) disposed about a periphery thereof. The sensing structure includes a ring (14) supported above a substrate (12) so as to have an axis of rotation no...	10/23/2001
6128954	Spring for a resonance ring of an angular rate sensor A motion sensor having a sensing ring and electrodes formed on or in a surface region of a substrate, such as a silicon chip. The sensing ring is supported above the substrate by a number of spring members extending radially from a hub, so that the ring h...	10/10/2000
5650568	Gimballed vibrating wheel gyroscope having strain relief features A gimballed vibrating wheel gyroscope for detecting rotational rates in inertial space. The gyroscope includes a support oriented in a first plane and a wheel assembly disposed over the support parallel to the first plane. The wheel assembly is adapted fo...	07/22/1997
5555765	Gimballed vibrating wheel gyroscope A gimballed vibrating wheel gyroscope for detecting rotational rates in inertial space. The gyroscope includes a support oriented in a first plane and a wheel assembly disposed over the support parallel to the first plane. The wheel assembly is adapted fo...	09/17/1996
5450751	Microstructure for vibratory gyroscope A microstructure for a vibratory gyroscope has a ring portion supported in such a fashion to allow substantially undamped, high-Q radial vibration. The ring portion is electrically conductive and comprises a charge plate for a plurality of radially dispos...	09/19/1995
5363700	Skewed axis inertial sensor assembly In the present invention six gyros and six accelerometers are mounted to a support frame generally comprised of a block of a selected material. The relationship of each input axis of each of the gyros and accelerometers is selected to permit all of the se...	11/15/1994
5270607	Vibration control apparatus A vibration control apparatus comprises a vibration member having a surface with a resonance point. A piezoelectric element is adhered to the surface of the vibration member. A drive apparatus is connected to the piezoelectric element via an impedance ele...	12/14/1993
5251483	Piezoelectric sensor element intended for a gyro A sensor element intended for a gyro, comprises an elongated body including at least one elongated element defining a tine and having a first and a second end. The first end is freely vibratable in two planes perpendicular to each other, designated as the...	10/12/1993
5195371	Semiconductor chip transducer A motion transducer fabricated from a semiconductor material by etched exposure and release of a resiliently suspended element. Electrical sensing and/or torquing is applied to the suspended element to produce mass or vibrational sensitivities to provide ...	03/23/1993
5138883	Analog torque rebalance loop for a tuned rotor gyroscope A rebalance loop for controlling a dry tuned rotor gyroscope having a rotor moveable about two orthogonal axes, a first pickoff associated with one of the axes for producing an electrical error signal when a rate is applied to one of the axes, a second pi...	08/18/1992
4792676	Gyro apparatus with a vibration portion A gyro apparatus includes a support in a base table for supporting one end of a vibrating member which has a circular cross-section and which is driven by a drive apparatus mounted on the base table to vibrate it in the longitudinal or axial direction. Th...	12/20/1988
4275605	Acceleration sensitive gyroscope stabilized platform An inertial measuring unit which precesses about the direction of apparent acceleration as a consequence of the introduction of a mass unbalance to each of the gyroscopes in the inertial measuring unit. The mass unbalances and the rotational moments of in...	06/30/1981
4244215	Autonomous navigation system An inertial navigation system utilizing a servo-controlled two-degree of freedom pendulum to obtain specific force components in the locally level coordinate system. The pendulum includes a leveling gyroscope and an azimuth gyroscope supported on a two-gi...	01/13/1981
3965753	Electrostatic accelerometer and/or gyroscope radioisotope field support device An electrode assembly formed by three pairs of electrodes creates a three axis electrical field which surrounds a charged particle confined in a sealed space consisting either of a vacuum or one filled with a selected gas. The field is energizable whereby...	06/29/1976

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Class 73/504.18 - With rotary gyroscope