| 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) |
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| 02/11/1992 | CA1295721C Apparatus and method for detecting rotation rate and direction of rotation and providing cavity length control in multioscillator ring laser gyroscopes |
| 02/11/1992 | CA1295720C Symmetric three-axis multioscillator |
| 02/06/1992 | WO1992001941A1 Micro-mechanical rotational-speed sensor |
| 02/05/1992 | EP0469493A1 Ring-laser gyro |
| 02/04/1992 | US5085501 Fiber optic gyroscope using optical waveguide couplers |
| 02/04/1992 | CA1295151C Two-axis angular rate gyroscope |
| 01/29/1992 | EP0468193A2 Procedure for determining the north |
| 01/28/1992 | US5084898 Passive pathlength control mirror for laser |
| 01/23/1992 | WO1992001207A1 Stationary wave interpolator |
| 01/23/1992 | DE4022495A1 Mikromechanischer drehratensensor Micromechanical rotation rate sensor |
| 01/16/1992 | DE4105574A1 Stehwelleninterpolator Standing wave interpolator |
| 01/15/1992 | EP0465493A1 Ring laser gyro |
| 01/14/1992 | US5080489 Fiber optic gyroscope for detecting angular velocity of rotation using equivalent time sampling |
| 01/14/1992 | US5080488 Method for evaluating signals of a fiber optical gyroscope or sagnac interferometer |
| 01/14/1992 | US5080487 Ring laser gyroscope with geometrically induced bias |
| 01/09/1992 | WO1992000503A1 Single stage demodulator with reference signal phase dither |
| 01/09/1992 | WO1991019166A3 Eigenfrequency phase shift control loop |
| 01/08/1992 | EP0464310A2 Gas Ring laser |
| 01/08/1992 | EP0328623A4 Servo loop control for a coriolis rate sensor dither drive |
| 01/02/1992 | EP0463594A1 Fiber optic gyro |
| 01/02/1992 | DE4020888A1 Cascade rotor with three=dimensional gyro mass - achieves special variant of roll axis rotation sense for all four masses and synchronised pitch and yaw axis rotation |
| 01/02/1992 | DE4019474A1 Electro=optical phase modulation adjustment for Sagnac interferometer - using subdivided electrode to which modulating voltage is applied overall prior to selective disconnection from one or more parts |
| 12/31/1991 | US5076694 In-flight scale factor calibration of ring laser gyro systems |
| 12/31/1991 | CA1293793C Low cost ring laser angular rate sensor |
| 12/28/1991 | WO1992000501A1 Interferometric signal analysis with modulation switching |
| 12/27/1991 | EP0462580A1 Fiber optic gyro with self-diagnostic function |
| 12/27/1991 | EP0462360A1 Compound fiber-optic gyroscope using frequency discrimination |
| 12/24/1991 | US5075793 Apparatus for detecting intensity-modulated light signals |
| 12/24/1991 | US5074665 Fiber optic gyroscope using dual-section counter-wound coil |
| 12/24/1991 | US5074664 Computer generated cavity length control with automatic gain control for ring laser gyros |
| 12/24/1991 | US5074159 Gyroscopic sensor lock for navigation apparatus |
| 12/18/1991 | EP0461761A1 Inertial sensors |
| 12/17/1991 | CA1293318C Ring laser gyroscope cavity length control apparatus and method |
| 12/12/1991 | WO1991019167A1 Modulation frequency control in a fiber optic rotation sensor |
| 12/11/1991 | EP0460675A1 Device and proceeding for the measurement of absolute rotations in several space directions |
| 12/11/1991 | EP0460635A2 Optical phase modulator |
| 12/11/1991 | EP0460089A1 A sensor element intended for a gyro. |
| 12/05/1991 | WO1991019166A2 Eigenfrequency phase shift control loop |
| 12/05/1991 | DE4114275A1 Fibre=optic rotation sensor using Sagnac effect - has two or more ring interferometers of different sensitivity |
| 12/03/1991 | US5070289 Miniature tactical angular rate sensor |
| 12/03/1991 | US5070263 Compact dual rotor torque motor for accelerometers |
| 11/26/1991 | CA1292545C Scatter symmetrization in multi-mode ring laser gyros |
| 11/26/1991 | CA1292544C Common mirror triaxial ring laser gyroscope having a single internal cathode |
| 11/26/1991 | CA1292543C Ring laser gyro frame design resistant to thermal gradient effects |
| 11/26/1991 | CA1292523C Pricision 50% duty cycle controller |
| 11/21/1991 | EP0457668A1 Fibre optic measuring device and gyroscope system for stabilisation, sensor for current or magnetic field |
| 11/21/1991 | EP0457541A1 Control devices |
| 11/21/1991 | EP0457200A2 Method for measuring angles and characteristics using a gyroscope |
| 11/21/1991 | EP0457083A2 Accelerometer |
| 11/21/1991 | DE4015800A1 Gyroscopic measurement of angles and characteristics of deformation |
| 11/19/1991 | US5067084 Inertial measurement unit with aiding from roll isolated gyro |
| 11/19/1991 | US5066637 Closed, rigid, superconductive casing |
| 11/19/1991 | US5065956 Method for detecting changes in spin rate of a missile in flight |
| 11/19/1991 | US5065627 Three axis inertial measurement unit with counterbalanced, low inertia mechanical oscillator |
| 11/19/1991 | US5065612 Method of correcting zero point of gyro and apparatus therefor |
| 11/19/1991 | CA2042759A1 Fibre optic measuring device, rate gyro, stabilisation system and magnetic field or current sensor |
| 11/18/1991 | CA2041518A1 Accelerometer |
| 11/16/1991 | CA2036137A1 Compound fiber-optic gyroscope using frequency discrimination |
| 11/14/1991 | WO1991017411A1 Device for determining the amplitude of the spectral lines in the output signal from a ring interferometer |
| 11/14/1991 | DE4014516A1 Anordnung zum ermitteln von spektrallinienamplituden des ausgangssignals eines ringinterferometers Arrangement to determine spectral line of the output signal of a ring interferometer |
| 11/13/1991 | EP0455737A1 Fiber optic gyroscope plural modulators phase difference control |
| 11/13/1991 | EP0455717A1 Fiber optic gyroscope combined signal phase difference control |
| 11/13/1991 | EP0379520B1 Fiber optic gyroscope with improved bias stability and repeatability and method |
| 11/12/1991 | US5064288 Scattered light multi-Brillouin gyroscope |
| 11/06/1991 | EP0455530A1 Fibre optical measuring device, gyroscope, navigation and stabilisation system, current sensor |
| 11/05/1991 | US5063321 Torsional vibration drive |
| 11/05/1991 | US5062710 Linear phase ramp fiber optic gyro |
| 10/31/1991 | WO1991014153A3 Miniature tactical angular rate sensor |
| 10/30/1991 | EP0454113A2 Optical fiber gyroscope |
| 10/30/1991 | EP0453544A1 Cell of atomic or molecular vapors for optical pumping and magnetometer or gyroscope using such cell |
| 10/29/1991 | US5060392 North finding system |
| 10/29/1991 | CA1291553C Interferometric sensor using time domain measurements |
| 10/23/1991 | EP0452938A2 Optical integrated circuit |
| 10/22/1991 | US5060175 Measurement and control system for scanning sensors |
| 10/22/1991 | US5060039 Permanent magnet force rebalance micro accelerometer |
| 10/22/1991 | US5059030 Passive ring resonator laser angular rate sensor |
| 10/22/1991 | US5059029 Radiation-hardened rlg readout |
| 10/22/1991 | US5059028 Ring laser gyroscope having means for maintaining the beam intensity |
| 10/22/1991 | US5058431 Superconducting Josephson junction gyroscope apparatus |
| 10/22/1991 | CA1291253C Sagnac type optical fibre interferometry system |
| 10/20/1991 | CA2034880A1 Pathlength control assembly for ring laser gyroscopes |
| 10/16/1991 | EP0451988A1 Heading detecting apparatus |
| 10/15/1991 | US5056920 Low cost ring laser angular rate sensor including thin fiber glass bonding of components to a laser block |
| 10/15/1991 | US5056919 Device for measuring a phase shift which is not reciprocal produced in a ring interferometer |
| 10/15/1991 | US5056366 Piezoelectric vibratory rate sensor |
| 10/09/1991 | EP0450993A1 Method and apparatus for determining the rotational speed of a movable body around an axis, as well as the application of that apparatus as a gyrometer or an accelerometer |
| 10/09/1991 | EP0450747A2 Integrated optics coupler |
| 10/09/1991 | EP0450681A1 Dither spring assembly for laser gyroscope |
| 10/09/1991 | EP0449836A1 Sensor for determining angular velocity. |
| 10/08/1991 | US5056052 Filter arrangement for generating an estimate of a measured variable influenced by disturbances |
| 10/08/1991 | US5054923 Fiber optic gyro using a pulsed light source |
| 10/08/1991 | CA1290433C Method and system for correcting random walk errors induced by rate reversals in a dithered ring laser gyroscope |
| 10/02/1991 | EP0448612A1 Read-out device for ring lasers. |
| 10/01/1991 | US5052808 Method and apparatus for interferometric rotation sensor phase modulation, intensity demodulation, and control |
| 10/01/1991 | US5052225 Acoustic gyroscope |
| 10/01/1991 | CA1289787C Device for stabilizing the mean wave length of a wide spectrum source and application to an optical fiber gyrometer |
| 09/25/1991 | CN1054827A Static-inertial gyroscope and its manufacturing method |
| 09/24/1991 | CA1289538C Fiber optic gyroscope winding process, and fiber optic winding thus made |
| 09/19/1991 | WO1991014153A2 Miniature tactical angular rate sensor |
| 09/19/1991 | DE4008197A1 North defining sensor with two-axis electrically restrained gyro - has pitch axis vertical error position sensor contg. second gyro with defined imbalance |