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)
10/1981
10/20/1981US4295373 Fluidic angular rate sensor with integrated impulse jet pump assembly
10/14/1981EP0037795A2 Angular rate sensor with symmetrical diaphragm impulse pump assembly
10/14/1981EP0037794A1 Angular rate sensor with integrated impulse jet pump assembly
10/13/1981US4294128 Device for erecting and stabilizing a gyro vertical
09/1981
09/29/1981US4291984 Optical amplification for the fiber interferometer gyro
09/22/1981US4290697 Method to eliminate fiber interferometer reflections
09/22/1981US4290316 Free-rotor gas-bearing gyroscope having electromagnetic rotor restraint and acceleration output signal
09/15/1981CA1108893A1 Vertical gyro erectors
09/15/1981CA1108892A1 Survey apparatus and method employing rate-of-turn and free gyroscopes
09/08/1981CA1108442A1 Gyroscopic method and apparatus for determining magnetic heading and attitude
09/01/1981US4286878 Optical fibre interferometric gyrometer with polarization switching
09/01/1981US4286370 Universal joint flexure hinge suspension system, and method for manufacturing this system
08/1981
08/28/1981EP0026205A4 Gyro-compass.
08/25/1981US4285553 Magnetic suspension momentum device
08/25/1981US4285552 Torquer apparatus for magnetically suspended members
08/25/1981US4285248 Two-degree-of-freedom gyroscope
08/18/1981US4284964 Self-determination of laser frequency
08/18/1981US4284329 Laser gyroscope system
08/18/1981US4283960 Gyroscope indexing drive mechanism
08/18/1981US4283959 External rotor gyroscope
08/12/1981EP0033340A1 Nuclear magnetic resonance gyro
08/11/1981US4283144 Method of fiber interferometry zero fringe shift referencing using passive optical couplers
08/06/1981EP0027799A4 Axial gap permanent magnet motor.
08/04/1981US4282529 Differential drive rolling arc gimbal
08/04/1981US4282470 Close loop control apparatus and method for a force rebalance transducer
08/04/1981US4281930 Laser gyro with phased dithered mirrors
08/04/1981US4281555 Molded inertial sensor
07/1981
07/28/1981US4281384 Rim inertial measuring system
07/28/1981US4280766 Optical gyroscope system
07/28/1981US4280366 Gas driven gyroscope
07/14/1981US4278927 Axial gap permanent magnet motor
07/07/1981US4277173 Ring laser gyroscope dither drive circuit
07/01/1981EP0031274A1 Ring-interferometric device and its use in the detection of non reciprocal effects
06/1981
06/30/1981US4275605 Acceleration sensitive gyroscope stabilized platform
06/30/1981US4275604 Device for the leveling of the gyroscopic axis of a compass with a mechanical suspension and an antipendular-torque precession system
06/24/1981EP0030891A1 Method and device for the measurement of the phase shift of the waves in a ring interferometer
06/23/1981US4274742 Passive ring laser rate of turn devices
06/23/1981US4274291 Gyro wheel speed compensation
06/16/1981US4274040 Solenoid torquer system
06/16/1981US4273445 Interferometer gyroscope formed on a single plane optical waveguide
06/16/1981US4273444 Interferometer gyroscope having relaxed detector linearity requirements
06/09/1981US4272194 Rotation sensitive ring laser system
06/09/1981US4271709 Gas driven gyroscope
06/03/1981EP0029655A1 Gyroscope apparatus
06/02/1981US4271397 Nonreciprocal phase shifter for a ring laser gyro
06/02/1981US4270393 Isolation system
06/02/1981US4270392 Low cost flexure assembly
06/02/1981US4270387 Drift compensated gyroscope
05/1981
05/26/1981US4269073 Gyroscope closed-loop speed controller
05/26/1981US4269072 Flexure assembly for a dynamically tuned gyroscope
05/19/1981US4267737 Dual suspension gyroscopic device having powered gimbal support
05/19/1981US4267735 Gyro motor control system
05/19/1981US4267731 Force balanced vibratory rate sensor
05/12/1981US4267478 Pathlength controller for a ring laser gyroscope
05/12/1981US4266432 Gyro motor control
05/12/1981US4266431 Gyroscopic apparatus
05/12/1981CA1101123A1 Aircraft pitch attitude signal generator
05/06/1981EP0027799A1 Axial gap permanent magnet motor.
05/05/1981US4265541 Interferometric laser gyrometer
05/05/1981US4265111 Device for determining vertical direction
04/1981
04/30/1981WO1981001206A1 Solenoid torquer system
04/28/1981US4264852 Follower device with differentiated speeds for gyrocompasses with mechanical suspension
04/28/1981US4264838 Force balanced piezoelectric vibratory rate sensor
04/21/1981CA1099540A1 Dual suspension gyroscopic device having powered gimbal support
04/14/1981US4261211 Flexure joint, particularly for connecting a gyroscope to its driving shaft
04/08/1981EP0026205A1 Gyro-compass.
04/08/1981EP0026170A1 An apparatus for measuring temperature.
04/07/1981US4259871 Gyroscopes
04/07/1981CA1098739A1 Gyro motor control
04/07/1981CA1098738A1 Pulse width modulated binary rebalance rate capture loop control for two-degree-of-freedom dry tuned gyro
04/02/1981WO1981000933A1 Force balanced piezoelectric vibratory rate sensor
04/01/1981EP0026066A2 Thin film laser gyro
03/1981
03/31/1981US4259016 Interferometer with a single-mode waveguide coil
03/31/1981US4258579 Gyroscope wheel speed modulator
03/31/1981US4258577 Gyroscopic apparatus
03/24/1981US4258336 Pulsed ring laser fiber gyro
03/24/1981US4257280 Gyroscopes
03/24/1981CA1098201A1 Ring laser gyroscope
03/17/1981US4257015 Ring laser gyroscope anode
03/17/1981US4255979 Pulse width modulated binary rebalance rate capture loop control for two-degree-of-freedom dry tuned gyro
03/11/1981EP0024977A2 Method and means for caging a vertical gyroscope
03/10/1981US4255054 Lock-in control system for spring suspended ring laser gyroscope
03/10/1981US4254659 Fluid dynamic angular rate sensor
03/04/1981EP0024350A1 Course indicator
02/1981
02/19/1981WO1981000455A1 Nuclear magnetic resonance gyro
02/18/1981EP0023958A1 Free rotor gas-bearing gyroscope having electro-magnetic rotor restraint and acceleration output signal and method of operating a gyroscope
02/10/1981CA1095613A1 Ring laser gyroscope
02/03/1981US4248535 Laser gyrometer having the two beams emerging from the two ends of the fiber forming two adjacent light parts of a single beam
02/03/1981US4248534 Apparatus and method for the elimination of angular vibration induced errors in ring laser gyroscopes
01/1981
01/27/1981US4247832 Isotropic nonplanar ring laser
01/27/1981US4246801 Semi-active laser seeker gyroscope
01/27/1981CA1094638A1 Coil structure
01/21/1981EP0022689A1 Centrifugal brake for cardan suspended gyroscope
01/20/1981US4245498 Well surveying instrument sensor
01/13/1981CA1093662A1 Shipboard reference for an aircraft navigation system
01/13/1981CA1093348A1 Gyroscopes
01/07/1981EP0021419A2 Dithered laser gyro
01/06/1981US4243324 Feedback system for controlling lock-in in spring suspended ring laser gyroscope
01/06/1981US4242917 Isolation flexure for gyroscopes
12/1980
12/30/1980CA1092651A1 Geodetic survey method