#G01C19/5726

CIRCUIT AND METHOD FOR DRIVING A MICRO-ELECTRO-MECHANICAL RESONATOR OF A GYROSCOPE WITH A REDUCED EXCITATION OF SPURIOUS HARMONICS

Driving circuit for a driving resonator stage (4) of a MEMS gyroscope (1) including at least a first and a second electrode (31,32) and a movable mass (20), the driving circuit (3A,3B) including: a sy…

DRIVE·Feb 25·2 min read

G01C19/5726 ST MICROELECTRONICS SRL [IT]

MEMS GYROSCOPE START-UP PROCESS AND CIRCUIT

At start-up of a microelectromechanical system (MEMS) gyroscope, the drive signal is inhibited, and the phase, frequency and amplitude of any residual mechanical oscillation is sensed and processed to…

DRIVE·Dec 24·1 min read

G01C19/5726 ST MICROELECTRONICS INC [US]

VIBRATION-TYPE ANGULAR VELOCITY SENSOR

A vibration-type angular velocity sensor (100) includes a first angular velocity sensor unit (101) and a second angular velocity sensor unit (102). In a predetermined period, the second angular veloci…

DRIVE·Dec 10·1 min read

G01C19/5726 SUMITOMO PRECISION PROD CO [JP]

Sinlge Body Multi-mode Mechanical Resonator Accelerometer

A single body multi-mode mechanical resonator includes two or more spring-mass devices, one or more anchor springs, a phase 1 parallel plate electrode and a phase 2 parallel plate electrode, a plurali…

DRIVE·Mar 28·2 min read

G01C19/5726 THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY

CORIOLIS VIBRATORY ACCELEROMETER SYSTEM

A CVA system includes a sensor system including a pendulous element that rotates about a first axis via first flexures in response to an input acceleration provided along a second axis that is orthogo…

DRIVE·Nov 1·2 min read

G01C19/5726 NORTHROP GRUMMAN SYSTEMS CORP [US]

MEMS GYROSCOPE START-UP PROCESS AND CIRCUIT

DRIVE·Oct 5·1 min read

G01C19/5726 STMicroelectronics, Inc.

MEMS GYROSCOPE CONTROL CIRCUIT

A microelectromechanical system (MEMS) gyroscope includes a driving mass and a driving circuit that operates to drive the driving mass in a mechanical oscillation at a resonant drive frequency. An osc…

DRIVE·Aug 31·1 min read

G01C19/5726 STMicroelectronics, Inc.

DRIVING CIRCUIT FOR CONTROLLING A MEMS OSCILLATOR OF RESONANT TYPE

A driving circuit for controlling a MEMS oscillator includes a digital conversion stage to acquire a differential sensing signal indicative of a displacement of a movable mass of the MEMS oscillator, …

DRIVE·Dec 29·2 min read

G01C19/5726 STMicroelectronics S.r.l.

ANGULAR VELOCITY SENSOR AND ANGULAR VELOCITY SENSOR SYSTEM

A controller applies a predetermined voltage to a fixed part detection excitation electrode to vibrate a movable part in a second direction and simultaneously applies a predetermined voltage to a fixe…

DRIVE·Aug 11·1 min read

G01C19/5726 DENSO CORPORATION

MEMS GYROSCOPE CONTROL CIRCUIT

DRIVE·Feb 3·1 min read

G01C19/5726 STMicroelectronics, Inc.

MEMS GYROSCOPE SENSITIVITY COMPENSATION

A MEMS gyroscope and a method for compensating drift of sensitivity of a MEMS gyroscope are disclosed. The method comprises demodulating an angular rate signal with an in-phase carrier signal for prod…

DRIVE·Sep 9·1 min read

G01C19/5726 MURATA MANUFACTURING CO., LTD.

Inertial Sensor and Method of Inertial Sensing with Tuneable Mode Coupling Strength

There is provided an inertial sensor comprising a frame, a resonator assembly fixed to the frame comprising a first and second resonator coupled to one another by a mechanical coupling and a drive mea…

DRIVE·Sep 2·2 min read

G01C19/5726 Cambridge Enterprise Limited

SEGMENTED ELECTRODE STRUCTURE FOR QUADRATURE REDUCTION IN AN INTEGRATED DEVICE

An integrated device includes a MEMS device, such as a gyroscope, having a movable mass spaced apart from a substrate, the movable mass being configured to oscillate in a drive direction relative to t…

DRIVE·Jan 18·1 min read

G01C19/5726 NXP USA, INC.

DIGITAL CONTROLLER FOR A MEMS GYROSCOPE

A digital control circuitry for a MEMS gyroscope is provided. The digital control circuitry comprises a digital primary loop circuitry configured to process a digitized primary signal, a digital secon…

DRIVE·Nov 16·1 min read

G01C19/5726 MURATA MANUFACTURING CO., LTD.

CAPACITANCE TYPE PHYSICAL QUANTITY SENSOR AND ANGULAR VELOCITY SENSOR

The present invention provides a high-accuracy electrostatic capacitance type physical quantity sensor and angular velocity sensor configured so as to be capable of suppressing noise derived from inte…

DRIVE·Jul 11·1 min read

G01C19/5726 HITACHI AUTOMOTIVE SYSTEMS LTD [JP]

Microelectromechanical gyroscope with inversion of actuation forces, and method for actuating a microelectromechanical gyroscope

A microelectromechanical gyroscope includes a body (6) and a driving mass (7), which is movable with respect to the body (6) according to a driving axis (X) and is capacitively coupled to the body (6)…

DRIVE·Aug 24·1 min read

G01C19/5726 ST MICROELECTRONICS SRL [IT]

Resonant micro-electro-mechanical system and gyroscope

A resonant micro-electro-mechanical system includes: a microstructure (102) having a mass (107), which is free to oscillate in accordance with a predetermined degree of freedom (X); and a driving devi…

DRIVE·Feb 8·2 min read

G01C19/5726 ST MICROELECTRONICS SRL [IT]

Micro-electro-mechanical sensor with force feedback loop

A micro-electro-mechanical sensor includes a microstructure (102), having a mass (108), which is movable with respect to a rest position (Y 0 ), according to a predetermined degree of freedom (Y); and…

DRIVE·Feb 8·1 min read

G01C19/5726 ST MICROELECTRONICS SRL [IT]

MINIATURE ELECTRO-OPTIC DEVICE AND CORRESPONDING USES THEREOF

The invention discloses a miniaturised electro-optical device comprising a first zone facing a second zone, a first condenser plate, a second condenser plate arranged in the second zone and smaller th…

DRIVE·Aug 17·1 min read

G01C19/5726 BAOLAB MICROSYSTEMS SL [ES]