Patents
Patents for G01C 19 - Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects (15,537)
12/1980
12/30/1980CA1092393A1 Sonic gyro
12/23/1980US4240302 Gyroscopic instrument
12/23/1980US4240301 Free gyro motor drive circuit
12/10/1980EP0019677A1 Erecting device for a vertical gyroscope
12/09/1980CA1091283A1 Magnetically suspended rotary bodies
12/02/1980CA1090627A1 Moving coil miniature angular rate sensor
11/1980
11/18/1980CA1089965A1 Photosensitive diodes for simplified optical heterodyning and cavity length control
11/18/1980CA1089682A1 Pick off, torquer and reference signal generator for free rotor gyroscopes
11/04/1980CA1089058A1 Adaptive compass drive radar system
10/1980
10/28/1980CA1088657A1 Laser gyroscope output optics structure
10/21/1980US4229106 Electromagnetic wave ring resonator
10/21/1980CA1087883A1 Dual suspension gyroscopic device
10/16/1980WO1980002195A1 Drift compensation and gyroscopic compass
10/15/1980EP0016807A1 Molded inertial sensor
10/14/1980CA1087383A1 Flexure hinge assembly
10/01/1980EP0016020A1 Gimbals
09/1980
09/30/1980US4225818 Cryogenic nuclear gyroscope
09/30/1980US4225239 Magneto-optic bias of ring laser using reflective magneto-optic element at near-grazing incidence
09/23/1980US4224573 Electric circuit device and pendulum unit incorporating such devices
09/18/1980WO1980001950A1 Two degree of freedom gyro having an axial gap permanent magnet motor
09/18/1980WO1980001898A1 Axial gap permanent magnet motor
09/16/1980US4222668 Ferrimagnetic Faraday elements for ring lasers
09/16/1980US4222617 Self loading cylindrical autolubricated gas bearing
09/16/1980US4222278 Gyro apparatus using viscous damping device
09/16/1980US4222270 Gyroscope rate range switching and control system
09/09/1980CA1085499A1 Ring lasers
09/02/1980CA1180795B Laser gyro with phased dithered mirrors
09/02/1980CA1085031A1 Laser gyro with phased dithered mirrors
08/1980
08/26/1980US4219276 Detection system for ring laser gyro
08/26/1980US4219275 Ring laser having magnetic isolation of counter-propagating light waves
08/26/1980US4218827 Gyroscopic aiming method and system for suspension system therefor
08/26/1980US4218822 Visual-display device with error correction
08/19/1980US4217787 Gyroscopic apparatus
08/19/1980CA1083862A1 Low cost flexure assembly for a tuned rotor gyro
08/12/1980CA1083389A1 Gyroscopic instrument comprising stabilizing and control gyros mounted on a common shaft
08/07/1980WO1980001608A1 An apparatus for measuring temperature
08/05/1980CA1082956A1 Flexure suspension for free rotor gyroscopes
07/1980
07/29/1980US4214482 Inertial instrument
07/22/1980US4213705 Four mode Zeeman laser gyroscope with minimum hole burning competition
07/15/1980US4212443 Strapped down attitude and heading reference system for aircraft employing skewed axis two-degree-of-freedom rate gyros
06/1980
06/17/1980US4208128 Interferometer gyro using heterodyne phase detection without severe light source coherence requirements
06/17/1980US4207668 Method of manufacturing a flexure suspension assembly
06/10/1980CA1079386A1 Laser gyroscope output optics structure
05/1980
05/13/1980CA1077603A1 Rectangular laser gyro
05/13/1980CA1077602A1 Electromagnetic wave ring resonator
04/1980
04/29/1980US4200925 Inertial instrument with a multiplexed rebalance network
04/29/1980CA1076686A1 Cold start system for motors
04/15/1980US4198163 Differential laser gyro readout
04/15/1980US4197655 Gyroscopic method and apparatus for determining magnetic heading and attitude
04/02/1980EP0009347A1 Gyroscopes
04/01/1980US4195908 Magnetic mirror for imparting non-reciprocal phase shift
03/1980
03/18/1980US4193308 Fluid dashpot gyro stabilized platform caging system
03/11/1980US4192077 Survey apparatus and method employing rate-of-turn and free gyroscopes
03/06/1980WO1980000370A1 Molded inertial sensor
02/1980
02/26/1980US4190364 Ring laser gyroscope
02/26/1980US4189948 Permanent magnet torquer for free rotor flexure suspended gyroscopes
02/26/1980US4189947 Nutation damper for two-axis gyroscope
02/26/1980US4189946 Three axis gyro
02/26/1980CA1072665A1 Laser gyroscope
02/12/1980US4188570 Gimbal angle rate feedback by cage coil demodulation
02/06/1980EP0007827A1 Laser gyrometer
02/06/1980EP0007826A1 Interferometric gyrometer with optical fibre
01/1980
01/29/1980US4185394 Spherical display for artificial horizon indicator
01/29/1980CA1070531A1 Flexure hinge assembly
01/15/1980US4183670 Interferometer
01/01/1980US4180916 Gyroscopic instruments
12/1979
12/27/1979WO1979001161A1 Gimbals
12/18/1979US4179087 Gyroscope rate range switching and control system
12/11/1979CA1067728A1 Miniature north reference unit
09/1979
09/20/1979WO1979000698A1 Erector for a vertical gyroscope
09/11/1979US4167336 Ring laser gyroscope having wedge desensitizing optical means
09/11/1979US4167296 Protective control system for magnetic suspension and magnetically suspended devices
08/1979
08/28/1979CA1061132A1 Apparatus for performing inertial measurements using translational acceleration transducers and for calibrating translational acceleration transducers
08/09/1979WO1979000502A1 Improvement to a laser gyroscope in ring form
07/1979
07/25/1979EP0003086A1 Method and apparatus for attenuating linearity errors in ringlaser gyrometers
07/24/1979US4161889 Gyroscopic power transmission system
07/24/1979US4161884 Turn rate indicator of aircraft using gyroscope
07/03/1979US4160184 Piezoelectric actuator for a ring laser
06/1979
06/26/1979US4159502 Electronic compensation for temperature variation of gyroscope damping
06/26/1979US4159178 Stimulated brillouin scattering ring laser gyroscope
06/26/1979CA1057088A1 Gyrocompassing system
06/19/1979US4158312 Method and apparatus for gyro erection
06/19/1979US4158261 Gyro compass and directional gyro arrangement
06/12/1979CA1056428A1 Magnetic suspension apparatus
06/05/1979US4157495 Nuclear magnetic resonance gyro
06/05/1979US4157041 Sonic vibrating bell gyro
05/1979
05/22/1979US4155521 Cannon launched platform
05/17/1979WO1979000259A1 Gyroscopic method and apparatus for determining magnetic heading and attitude
05/15/1979US4154190 Calibrated aircraft directional gyro for indicating holding pattern entry procedure
05/08/1979US4152942 Inertial platforms
05/01/1979US4152072 Photosensitive diodes for simplified optical heterodyning and cavity length control
05/01/1979US4152071 Control apparatus
05/01/1979US4151656 Manually manipulatable gyroscope-stabilized indicating apparatus and method for its use
05/01/1979CA1053784A1 Laser gyroscope and method
04/1979
04/24/1979US4151519 Protective circuit for compass repeater amplifier systems
04/17/1979US4149418 Turn rate indicator of aircraft with improved zero seeking characteristics
04/17/1979CA1052601A1 Flexure-pivot assemblies and methods of making them
04/03/1979US4147974 Nuclear gyroscope with unequal fields
04/03/1979US4147066 Means and method for uncaging a gyroscope rotor
04/03/1979US4147063 Two axis gas damped angular velocity sensor