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)
06/1987
06/24/1987EP0226084A2 Liquid bearing two degree of freedom inertial sensor apparatus
06/23/1987US4675820 Inertial reference system
06/23/1987US4674881 Open loop thin film laser gyro
06/23/1987US4674827 Slab-type optical device
06/23/1987US4674331 Angular rate sensor
06/23/1987CA1223341A1 Device for stabilising and aiming an antenna, more paricularly on a ship
06/19/1987DE3544074A1 Device for generating rotary oscillations for ring-laser gyroscopes
06/16/1987US4673293 Passive cavity gyro bias eliminator
06/16/1987US4672848 Acoustic gyrometer
06/16/1987CA1222880A1 Two axis multisensor
06/09/1987US4672624 Cathode-block construction for long life lasers
06/09/1987US4672623 Housing of nickel-iron and inner cavity with sputtered coating
06/09/1987US4671658 Fiber optic rotation sensor utilizing a magnetic shield and an optical isolator
06/09/1987US4671112 Angular velocity sensor
06/04/1987DE3541848A1 North-seeking gyroscope device
06/02/1987US4670691 Getter for a ring laser angular rate sensor
06/02/1987US4669882 Laser pulse detection method and apparatus
06/02/1987US4669881 Bias signal filter for a ring laser
06/02/1987US4669323 For holding a spin axis of a gyro rotor
05/1987
05/27/1987EP0223730A2 Method and apparatus for phase modulating a fiber-optic rotation sensor
05/27/1987EP0223159A2 Apparatus for determining the northerly direction
05/27/1987EP0222811A1 Frequency locking electromagnetic signals.
05/26/1987CA1222153A1 Inertial systems
05/20/1987EP0222077A1 Apparatus for measuring rotation speed
05/19/1987US4666302 Ring laser, in particular for a ring laser type of gyro, having a block with an optical resonator cavity and three corner mirrors
05/19/1987US4665748 Automatic continuous nulling of angular rate sensor
05/19/1987US4665605 Method of making dynamically tuned gimbal suspension
05/19/1987CA1221850A1 Fiber optic rotation sensor with extended dynamic range
05/13/1987EP0221264A1 Rotation speed-measuring apparatus
05/12/1987US4664523 Apparatus for increasing the resolution of a laser gyroscope
05/12/1987US4663968 Extended pitch display for attitude gyro indicator
05/05/1987US4662751 Closed loop fiber optic rotation sensor
04/1987
04/28/1987US4661964 Resonant waveguide laser gyro with a switched source
04/28/1987US4661753 Differential torquer
04/23/1987WO1987002469A1 Signal processor for inertial measurement using coriolis force sensing accelerometer arrangements
04/23/1987WO1987002468A1 Synchronous fm digital detector
04/23/1987WO1987002466A1 Automatic continuous nulling of angular rate sensor
04/21/1987US4659223 Photorefractive crystal interferometric device for measuring an angular rotational speed
04/21/1987US4658659 Gyroscope
04/15/1987EP0218273A1 Land vehicle navigation device comprising a filter unit for determining an optimum heading from presented orientation signals, and filter unit to be used in said navigation device
04/14/1987US4658401 Thin film passive ring resonator laser gyro
04/14/1987US4657392 Lock-in rate discriminate apparatus for ring laser angular rate sensors
04/14/1987US4657391 Ring laser, particularly for a ring laser type of gyro
04/09/1987WO1987002140A1 Process for determining speed of rotation
04/07/1987US4656637 Multiple ring laser gyro power supply
04/07/1987US4655096 Flexure mount assembly for a dynamically tuned gyroscope
04/07/1987US4655081 Gyroscopic devices
03/1987
03/31/1987US4654663 Angular rate sensor system
03/31/1987US4654582 Used to provide fault isolation in a navigation system
03/31/1987US4653920 Ring laser gyroscopes
03/31/1987US4653919 Laser gyro with dithered mirrors and current dither
03/31/1987US4653918 Low Q body-dithered laser gyro assembly
03/31/1987US4653917 Fiber optic gyroscope operating with unpolarized light source
03/31/1987US4653325 Gyro apparatus
03/25/1987EP0215674A2 Self-aligning optical fiber and fiber-ring optical resonator using same
03/25/1987EP0215116A1 Inertial reference system utilizing ring laser gyro data resynchronization
03/24/1987US4652132 Optical power compensated ring laser gyroscope
03/24/1987US4651576 Gyroscope having temperature controlling arrangement
03/24/1987US4651565 Electromagnetic gyroscope
03/17/1987US4650331 Rotational vibration drive for a ring laser gyroscope
03/11/1987EP0214081A2 Phase modulator for fiber-optic sensors
03/11/1987EP0213551A1 Ring laser angular rate sensor
03/11/1987EP0213489A2 Cathode for a gas discharge device
03/10/1987US4648716 Discriminant apparatus for a ring laser angular rate sensor
03/10/1987US4648284 Apparatus and method for reducing gyro activation time
03/04/1987EP0212463A2 Gas discharge device
03/03/1987US4647204 Compensated dual cavity laser gyro
02/1987
02/24/1987US4645345 Rotation rate measuring instrument having reduced reflection interference
02/24/1987US4644793 Vibrational gyroscope
02/24/1987CA1218456A1 Angular rate sensor utilizing two vibrating accelerometers secured to a parallelogram linkage
02/17/1987US4643574 Method for determining angular velocity
02/17/1987US4643034 Gyroscopically stabilized magnetic suspension system
02/10/1987US4641970 Ring laser lock-in correction apparatus
02/10/1987CA1217648A Single axis multisensor
02/04/1987EP0210273A1 Stabilized ring laser bias system
01/1987
01/27/1987US4639630 Piezoceramic servo-drive for producing translational motion, especially for application to ring laser mirrors
01/27/1987US4639231 Retainer for electrically fired getter
01/27/1987US4639138 Fiber-optic rotation rate sensor having dual interferometer loops
01/21/1987EP0209279A1 Ring laser gyroscopes
01/21/1987EP0209216A1 Stabilised platform arrangement
01/20/1987US4637723 Discriminant apparatus for ring laser angular rate sensors
01/20/1987US4637722 Fiber optical rotation sensor with extended dynamic range
01/15/1987DE3523754A1 Device for identifying a rotational movement of a vehicle about its longitudinal and/or transverse axis
01/13/1987US4637025 Super radiant light source
01/13/1987US4635375 Vertical shaft system for gyroscopic theodolites with two degrees of freedom
01/10/1987EP0190260A4 Method and apparatus for mechanical dither stabilization of a laser angular sensor.
01/10/1987CN85101230A Solid state optical interferometer
01/07/1987EP0207907A2 Gyroscope pick-off
01/07/1987EP0207844A1 Method for winding an optical gyroscope fibre, and optical fibre reel obtained by this method
01/06/1987US4634283 Method and apparatus for reducing quantization error in laser gyro test data through high speed filtering
01/06/1987US4634282 Multimode fiber optic rotation sensor
01/06/1987US4634091 Support for ring laser gyro
01/06/1987US4633722 Gyroscope apparatus
01/02/1987DE3522026A1 Method for the signal evaluation of an optical fibre rotatation sensor which uses the Sagnac effect
12/1986
12/30/1986US4632555 Ring laser gyroscopes
12/30/1986EP0206970A1 Rotation induced phase modulation in passive sagnac interferometers
12/30/1986EP0206866A1 Annular interferometric device with an optical monomode fibre
12/30/1986EP0206223A1 Rotation speed measuring apparatus
12/30/1986EP0205934A2 Dithered laser angular rate sensor
12/23/1986US4630885 Multichannel optical wave guide resonator