Patents
Sitemap › G01 - Measuring; Testing › G01C - Measuring distances, levels or bearings; Surveying; Navigation; Gyroscopic instruments; Photogrammetry or videogrammetry › G01C 19 - Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
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)
10/1990
10/24/1990EP0393643A2 Fiber optic gyro
10/24/1990EP0393085A1 Ring laser gyro frame design resistant to thermal gradient effects.
10/23/1990CA1275484C Readout apparatus for a laser angular rate sensor
10/18/1990WO1990012288A1 Method of fabricating a readout apparatus for a ring laser gyroscope
10/18/1990WO1990012287A1 Ring laser gyro
10/18/1990WO1990012286A1 Ring laser gyro
10/18/1990DE3912108A1 Vehicle with orientation system - has link to weapon or radar alignment gyro for correction and improved performance
10/17/1990EP0392081A1 System of producing the sum and difference of two detector signals
10/17/1990EP0392080A1 Method of signal evaluation for a fiber optic gyroscope
10/16/1990US4964131 Broadband optical fiber laser
10/16/1990US4963026 Cavity length control apparatus for a multi-oscillator
10/15/1990WO1990013003A1 Gyrocompass
10/15/1990CA2032135A1 Gyro compass
10/10/1990EP0390874A1 Hollow cathode glow discharge ring laser block and electrode structure for ring laser angular rate sensors.
10/09/1990US4962506 Scatter symmetrization in multi-mode ring laser gyros
10/09/1990US4961352 Magnetic bearing and suspension system
10/04/1990WO1990011491A1 Single-polarization, integrated optical components for optical gyroscopes
10/04/1990WO1990011490A1 North finding system
10/04/1990DE4010256A1 Position measurement transducer for laser gyro-optical block - contains mask attached to block screening photoelectric cell
10/04/1990DE4010170A1 Laser gyro superposition and reading arrangement - has optical block with resonator enclosed by three mirrors reducing cost and size
10/04/1990DE4009919A1 Base module for laser gyro - has optical path provided by capillary tubes arranged in regular polygon
10/04/1990DE4009728A1 Laser gyro base body mfg. method - has two partial bodies contg. channels forming polygonal optical path with mirror recesses along longitudinal axes
10/03/1990EP0390180A2 Position measuring device for the light beams of a laser gyroscope
10/02/1990US4960331 Faraday rotator assembly
10/01/1990CA2046619A1 Method of fabricating a readout apparatus for a ring laser gyroscope
09/1990
09/27/1990CA2011469A1 Single-polarization, integrated optical components for optical gyroscopes
09/26/1990EP0388929A1 Fiber optic gyro
09/26/1990EP0388530A1 Fibre-optic gyroscopes
09/26/1990EP0388499A1 Rotation rate sensor device using Sagnac interferometers for three spatial directions
09/26/1990EP0388402A1 Pentagonal ring laser gyro.
09/25/1990US4958519 Velocimeter
09/20/1990WO1990010843A1 Fiber optical gyro
09/12/1990EP0386739A2 Phase modulated fiber-optic gyroscope
09/11/1990CA1274010A1 Thermally compensated reference interferometer and method
09/07/1990WO1990008300A3 Rotation sensor
08/1990
08/29/1990CN1009388B Detecting process and device for optical nutation
08/28/1990WO1990010196A1 A sensor element intended for a gyro
08/28/1990US4952059 Method of sensing rotation
08/28/1990US4952015 Radiation coupling device
08/28/1990US4951521 Gimbal module
08/28/1990US4951514 Dual gyroscopic stabilizer
08/28/1990US4951508 Vibratory rotation sensor
08/28/1990US4951507 Gas rate sensor
08/28/1990CA2047727A1 Sensor element intended for a gyro
08/22/1990EP0383587A1 A ring resonator gyro
08/22/1990EP0383231A2 Fiber optic gyroscope
08/22/1990EP0383114A1 Measurement and control system for scanning sensors
08/21/1990CA1272893A1 Spring-driven gyroscope
08/16/1990EP0381726A1 Skewed axis inertial sensor assembly
08/15/1990CN2060537U Self-controlled platform for aerial remote sense photographic instrument
08/14/1990US4948252 Sub-tau phase modulation in a fiber-optic rotation sensor
08/14/1990CA1272788A1 Ion beam sputtered mirrors for ring laser gyros
08/09/1990WO1990008941A1 Fiber optic gyroscope plural modulators phase difference control
08/09/1990WO1990008940A1 Fiber optic gyroscope combined signal phase difference control
08/09/1990DE4002920A1 Ring laser gyroscope
08/07/1990US4945647 North finding system
08/01/1990EP0379520A1 Fiber optic gyroscope with improved bias stability and repeatability and method.
07/1990
07/31/1990US4944591 Double phase-conjugate fiber optic gyroscope
07/31/1990US4944590 Optical-fiber gyroscope of sagnac type having a fiber-optic loop and 3×3 coupler
07/27/1990CA2045625A1 Fiber optic gyroscope combined signal phase difference control
07/27/1990CA2045602A1 Fiber optic gyroscope plural modulators phase difference control
07/26/1990WO1990008300A2 Rotation sensor
07/25/1990EP0379318A1 Modular rlg aperturing
07/25/1990EP0243379B1 Automatic continuous nulling of angular rate sensor
07/25/1990CN2059735U Proportion quick-definiting device
07/18/1990CN2059500U Three-freedom gyro
07/17/1990US4941353 On a mobile object to detect the rotatory motion
07/05/1990DE3842937A1 Interferometer for measuring angular velocities in three-dimensional space
07/03/1990US4938594 Device for guiding waves of electromagnetic energy
06/1990
06/28/1990WO1990007124A1 Sensor for determining angular velocity
06/28/1990WO1990007099A1 Selector for ring lasers
06/20/1990EP0373200A1 Integrated optic interferometric fiber gyroscope module and method.
06/19/1990CA1270564A1 Method and apparatus for optical nutation sensing
06/14/1990WO1990006490A1 Faraday rotator assembly
06/13/1990EP0372907A2 Superfluorescent broadband fiber laser source
06/13/1990EP0371996A1 Fiber optics gyroscope
06/13/1990CN1008399B Dither suspension mechanism for a ring laser angular rate sensor
06/12/1990US4933592 Mirror transducer control circuit
06/05/1990US4930365 Two axis rate gyroscope
06/05/1990US4930351 Vibratory linear acceleration and angular rate sensing system
06/05/1990US4930349 Gas rate sensor
06/05/1990CA1270055A1 Self-aligning optical fiber and fiber-ring optical resonator using same
06/05/1990CA1269874A1 Gyrocompassing apparatus for stationary equipment
05/1990
05/30/1990EP0370071A1 Partly transparent mirror for a ring laser gyro.
05/29/1990US4929943 Marine compass rate-of-turn indicator
05/29/1990CA1269747A1 Dither signal remover for a dithered ring laser angular rate sensor
05/22/1990US4927097 For a platform
05/17/1990WO1990005242A1 Propelling apparatus
05/16/1990EP0368457A1 Compass system
05/15/1990US4926437 Ceramic cathode for ring lasers
05/09/1990EP0366756A1 Broadband optical fiber laser
05/09/1990EP0366720A1 Apparatus and method for sensing rotation rate and direction and for controlling cavity length
05/08/1990US4923299 Optically differentiating and adding passive ring laser gyroscope
05/02/1990EP0366249A2 Method for correcting zero point of gyro and apparatus therefor
05/02/1990EP0365920A2 Filter arrangement to produce an estimated value of a measurement influenced by disturbances
05/01/1990US4921354 Identical servo frequency modulated passive ring laser gyroscope
04/1990
04/25/1990EP0364940A2 Readout apparatus for ring laser gyroscope
04/24/1990CA1268240A1 Apparatus for generating a heading signal for a landing vehicle
04/20/1990CA2000574A1 Radiation-hardened rlg readout
04/17/1990US4916957 Flexible disc rotor rate gyro
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