#INVENSENSE, INC.

ROUND ROBIN SENSOR DEVICE FOR PROCESSING SENSOR DATA

A round robin sensor device for processing sensor data is provided herein. The sensor device includes a multiplexer stage configured to sequentially select sensor outputs from one or more sensors cont…

DRIVE·Aug 31·1 min read

G01C19/5776 INVENSENSE, INC.

MOTION SENSOR WITH SIGMA-DELTA ANALOG-TO-DIGITAL CONVERTER HAVING RESISTIVE CONTINUOUS-TIME DIGITAL-TO-ANALOG CONVERTER FEEDBACK FOR IMPROVED BIAS INSTABILITY

A motion sensor with sigma-delta analog-to-digital converter (ADC) having improved bias instability is presented herein. Differential outputs of a differential amplifier of the sigma-delta ADC are ele…

DRIVE·Aug 17·1 min read

H03M3/376 INVENSENSE, INC.

METHOD AND SYSTEM FOR SENSOR CONFIGURATION

Described herein are methods and systems for controlling a sensor assembly with a plurality of same type sensors. Sensors are operated in active and inactive states. The activation state of at least o…

DRIVE·Apr 13·1 min read

G01P15/18 INVENSENSE, INC.

METHODS OF ATTITUDE AND MISALIGNMENT ESTIMATION FOR CONSTRAINT FREE PORTABLE NAVIGATION

The present disclosure relates to methods of enhancing a navigation solution about a device and a platform, wherein the mobility of the device may be constrained or unconstrained within the platform, …

DRIVE·Feb 9·1 min read

G01C21/1654 INVENSENSE, INC.

SENSOR LINEARIZATION BASED UPON CORRECTION OF STATIC AND FREQUENCY-DEPENDENT NON-LINEARITIES

Methods and systems for compensation of a microelectromechanical system (MEMS) sensor may include associating test temperature values with input test signal values, identifying temperature-input signa…

DRIVE·Dec 15·1 min read

G01C19/5776 INVENSENSE, INC.

ROBUST METHOD FOR GYROSCOPE DRIVE AMPLITUDE MEASUREMENT

A MEMS gyroscope includes a driven mass that moves in response to a drive force. A drive amplitude sense electrode is included as a feature of the drive mass and extends in a direction perpendicular t…

DRIVE·Sep 8·1 min read

G01C19/5762 INVENSENSE, INC.

METHOD AND SYSTEM FOR MAGNETIC-BASED COLLABORATIVE POSITIONING

Magnetic-based collaborative positioning of a portable device involves obtaining magnetic field measurements for the portable device, obtaining magnetic fingerprint map information, obtaining paramete…

DRIVE·May 5·1 min read

G01C21/005 INVENSENSE, INC.

METHOD AND SYSTEM FOR MAGNETIC-BASED INDOOR VEHICLE POSITIONING

Vehicle position is determined using magnetic field measurements within an indoor environment. Magnetic field measurements and sensor information are obtained from the vehicle and magnetic map informa…

DRIVE·Apr 28·1 min read

G01C21/206 INVENSENSE, INC.

METHOD AND SYSTEM FOR POSITIONING USING OPTICAL SENSOR AND MOTION SENSORS

An integrated navigation solution is provided for a device within a moving platform. Motion sensor data from a sensor assembly of the device is obtained, optical samples from at least one optical sens…

DRIVE·Apr 7·1 min read

G01C21/30 INVENSENSE, INC.

MINIMIZING A DELAY OF A CAPACITANCE-TO-VOLTAGE CONVERTER OF A GYROSCOPE BY INCLUDING SUCH CONVERTER WITHIN A BANDPASS SIGMA-DELTA ANALOG-TO-DIGITAL CONVERTER OF THE GYROSCOPE

Facilitating minimization of non-linearity effects of a delay of a capacitance-to-voltage (C2V) converter on an output of a gyroscope is presented herein. A sense output signal of a sense mass of the …

DRIVE·Feb 24·2 min read

G01C19/5712 INVENSENSE, INC.

DRIVE AND SENSE BALANCED, FULLY-COUPLED 3-AXIS GYROSCOPE

The subject disclosure provides exemplary 3-axis (e.g., GX, GY, and GZ) linear and angular momentum balanced vibratory rate gyroscope architectures with fully-coupled sense modes. Embodiments can empl…

DRIVE·Dec 23·1 min read

G01C19/5712 INVENSENSE, INC.

USE OF MEMS GYROSCOPE FOR COMPENSATION OF ACCELEROMETER STRESS INDUCED ERRORS

A MEMS system includes a gyroscope that generates a quadrature signal and an angular velocity signal. The MEMS system further includes an accelerometer that generates a linear acceleration signal. The…

DRIVE·Sep 9·1 min read

G01C19/5712 INVENSENSE, INC.

MICROELECTROMECHANICAL SYSTEMS (MEMS) GYROSCOPE SENSE FREQUENCY TRACKING

Microelectromechanical systems (MEMS) gyroscopes and related sense frequency tracking techniques are described. Various embodiments facilitate sense frequency tracking and offset and/or sensitivity ch…

DRIVE·Aug 26·1 min read

G01C19/5776 INVENSENSE, INC.

DRIVE AND SENSE BALANCED, SEMI-COUPLED 3-AXIS GYROSCOPE

In a first aspect, the angular rate sensor comprises a substrate and a rotating structure anchored to the substrate. The angular rate sensor also includes a drive mass anchored to the substrate and an…

DRIVE·Apr 22·2 min read

G01C19/5712 INVENSENSE, INC.

SELECTIVE SELF-ASSEMBLED MONOLAYER PATTERNING WITH SACRIFICIAL LAYER FOR DEVICES

Selective self-assembled monolayer patterning with sacrificial layer for devices is provided herein. A sensor device can include a handle layer and a device layer that comprises a first side and a sec…

DRIVE·Apr 15·1 min read

B81B7/008 INVENSENSE, INC.

ROBUST METHOD FOR TUNING OF GYROSCOPE DEMODULATION PHASE

An optimal demodulation phase for extracting an in-phase component of a MEMS gyroscope output signal is determined through a test procedure. During the test procedure, multiple different rotation rate…

DRIVE·Feb 4·1 min read

G01C19/5712 INVENSENSE, INC.

METHOD TO REDUCE DATA RATES AND POWER CONSUMPTION USING DEVICE BASED ATTITUDE GENERATION

A method includes generating motion data by receiving a gyroscope data from a gyroscope sensor, performing integration using the gyroscope data and generating an integrated gyroscope data using a firs…

DRIVE·Jan 28·1 min read

G01P1/00 INVENSENSE, INC.