Inventor

GEEN JOHN A

US63 patents

⚠️ This page may combine multiple inventors who share the name “GEEN JOHN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GEEN JOHN A

ANALOG DEVICES INC

Six degree-of-freedom micro-machined multi-sensor

Micromachined device with rotationally vibrated masses

Coupling for multiple masses in a micromachined device

Micromachined device with rotationally vibrated masses

Micromachined gyroscope

Micro-machined multi-sensor providing 1-axis of acceleration sensing and 2-axes of angular rate sensing

Micromachined gyros

Micromachined devices with anti-levitation devices

Micromachined gyros

Cross-quad and vertically coupled inertial sensors

Micromachined devices with stop members

Inertial sensor with a linear array of sensor elements

Micromachined sensor with quadrature suppression

Micro-machined multi-sensor providing 2-axes of acceleration sensing and 1-axis of angular rate sensing

Micromachined semiconductor magnetic sensor

Electrode arrangements for quadrature suppression in inertial sensors

Micromachined apparatus with co-linear drive arrays

Micromachined apparatus with split vibratory masses

Micromachined apparatus with drive/sensing fingers in coupling levers

Voltage multiplier

Micro-machined device structures having on and off-axis orientations

Feedback mechanism for rate gyroscopes

Coupling apparatus for inertial sensors

Method for continuous sensor self-test

Balanced runners synchronizing motion of masses in micromachined devices

Synchronized mass gyroscope

Method and apparatus for a micromachined multisensor

Capped sensor

Common centroid micromachine driver

Micromachined apparatus utilizing box suspensions

Method and apparatus for detecting linear and rotational movement

Micromachined devices

Micromachined devices with apertures

Micromachined devices

Micromachined devices and connections over a substrate

BRITISH AEROSPACE

Analog-to-digital conversion apparatus with dither signal

Analog-to-digital conversion

Multiple axis ring laser gyroscope with longitudinal excitation

Dithered ring laser gyroscope with residual lock-in error compensation

Oscillatory drive mechanisms for a ring laser gyro

GEEN JOHN A

Mode-matching apparatus and method for micromachined inertial sensors

Mode-matching apparatus and method for micromachined inertial sensors

Apparatus and method for calibrating MEMS inertial sensors

MEMS gyroscopes with reduced errors

NORTHROP GRUMMAN CORP

Micromachined accelerometer gyroscope

NORTHROP CORP

Miniature silicon accelerometer and method

JUDY MICHAEL W

Apparatus and method for anchoring electrodes in MEMS devices

KUANG JINBO

Inertial sensors with reduced sensitivity to quadrature errors and micromachining inaccuracies

CLARK WILLIAM A

Offset detection and compensation for micromachined inertial sensors

KUMAR VINEET

Detection and mitigation of particle contaminants in MEMS devices