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)
12/1994
12/06/1994US5371594 Sample and hold flyback phase control circuit for a null seeking fiber optic gyroscope
12/06/1994US5371593 Sensor coil for low bias fiber optic gyroscope
12/06/1994US5371592 Laser intensity monitoring apparatus with metallic thin film mask
12/06/1994US5371591 Triaxial split-gain ring laser gyroscope
12/06/1994US5371590 Ring laser gyro
12/06/1994US5371589 Triaxial ring laser gyroscope with independent cavity length control
12/06/1994US5369889 Single gyro northfinder
11/1994
11/30/1994EP0626597A1 Ultraviolet resistive coated mirror and method of fabrication
11/30/1994EP0626596A1 Ultraviolet resistive antireflective coating and method of fabrication
11/29/1994US5369487 Device for determining the amplitude of the spectral lines in the output signal from a ring interferometer
11/29/1994US5368271 Gimbal vibration isolation system
11/29/1994US5367898 Method of calculating scale factor of gyro
11/24/1994WO1994018525A3 Control of spectral shift errors
11/22/1994US5367528 Motion induced elimination of dead band in a short pulse laser gyro
11/22/1994US5367377 Solid state split-gain multioscillator ring laser gyroscope
11/17/1994EP0624777A1 Method for tuning fiber optic sensor coils
11/15/1994US5365339 Two depolarizer fiber-optic gyroscope that eliminates interference between the depolarizers
11/15/1994US5365338 Wavelength sensor for fiber optic gyroscope
11/15/1994US5365337 Method and apparatus for compensating for the residual birefringence in interferometric fiber-optic gyros
11/12/1994CA2080846A1 Triaxial split-gain ring laser gyroscope
11/11/1994CA2122275A1 Method for tuning fiber optic sensor coils
11/10/1994WO1994026011A1 Superluminescent light source for an interferometric fiber optic gyroscope
11/10/1994WO1994025826A1 Rapid turn-on source for fiber optic gyroscope
11/09/1994EP0623807A1 Microstructure for vibratory gyroscope
11/09/1994EP0623217A1 Micromachined rate and acceleration sensor
11/08/1994US5363195 Automatic gain calibration system for a phase modulator in a fiber optic gyro
11/08/1994US5363194 Laser gyro microprocessor start up control method and apparatus
11/08/1994US5363193 Method and arrangement for determining angular velocities
11/08/1994US5363192 Mode-locked active gyro solid state lasers
11/08/1994CA1332969C Analog torque rebalance loop for a tuned rotor gyroscope
11/01/1994US5361036 Complex digital demodulator employing Chebychev-approximation derived synthetic sinusoid generation
11/01/1994US5359893 Multi-axes gyroscope
10/1994
10/27/1994WO1994024520A1 Fiber optic gyroscope
10/25/1994US5359414 Ring laser gyroscope fringe detector apparatus with radiation photocurrent compensation
10/25/1994US5359413 System for substantially eleminating lock-in in a ring laser gyroscope
10/25/1994US5357817 Wide bandwidth stable member without angular accelerometers
10/19/1994EP0620415A1 Angular velocity sensor
10/19/1994EP0620414A1 Vibration gyro
10/18/1994US5357339 Multi-axis fiber-optic gyroscope assembly in which each gyroscope comprises 1/3 of a specific shape
10/18/1994US5357338 Path length controller with offset bias for a ring laser gyro
10/18/1994US5355730 Apparatus for drift cancellation in angular velocity detecting sensor
10/18/1994CA2016302C Fiber optic gyro
10/13/1994WO1994023272A1 Multishaft angular velocity sensor
10/12/1994EP0619471A1 A method of manufacturing a motion sensor
10/11/1994US5355216 Optical fiber sensor having digital integrating detection system utilizing electronic phase lock loop
10/11/1994US5355034 Drift suppressing circuit of gyroscope
10/11/1994US5353656 Electrostatically controlled micromechanical gyroscope
10/05/1994CN1026155C Apparatus for reading of laser angular rate sensor
10/05/1994CN1026154C Three-dimensional synchronous interpretation system
10/04/1994US5351900 Method of manufacture of quadrupole-wound fiber optic sensing coil
09/1994
09/29/1994WO1994021987A1 Laser gyro direct dither drive
09/29/1994WO1994021986A1 Laser gyro dither stripper
09/28/1994EP0617259A1 Method for calibrating aircraft navigation systems
09/28/1994EP0489847B1 Interferometer utilizing superfluorescent optical source
09/27/1994US5351252 Apparatus for measuring rotation
09/27/1994US5351123 Method and apparatus for stabilizing control loop scale factor and gain in a fiber optic Sagnac interferometer
09/27/1994US5349857 Vibratory gyroscope
09/27/1994US5349856 Vibratory gyroscope
09/27/1994US5349855 Inertial rate sensor
09/27/1994US5349757 Tape-suspended meridian gyro
09/21/1994EP0616398A1 Method and device for generating optical pulses
09/21/1994EP0616196A1 A fibre optic gyroscope sensing coil
09/21/1994EP0616195A1 Fiber optic gyroscope
09/20/1994US5349441 Fiber optic gyroscope refractive index induced error compensation
09/20/1994US5349261 Vibrator
09/14/1994EP0614807A1 Improved reaction wheel assembly
09/14/1994EP0614518A1 Fiber optic winding.
09/14/1994EP0614513A1 Structureborne noise isolator.
09/14/1994EP0448612B1 Read-out device for ring lasers
09/13/1994US5347361 Rotation sensor output signal processor
09/13/1994US5347360 Ring laser gyro
09/13/1994US5347359 Apparatus and method for correcting ring laser gyroscope phase angle errors induced by lock-in
09/13/1994US5347354 Sagnac-type optical fiber gyroscope having depolarizers of differing lengths
09/13/1994US5345822 Vibratory gyroscope having a support member
09/08/1994DE4310405C1 Optischer Abgriff Optical tap
09/07/1994EP0614069A1 Laser gyroscopes
09/06/1994US5345382 Calibration method for a relative heading sensor
09/06/1994US5345307 Linear phase ramp type fiber optic gyro having ramp reset and reset connection signals
09/06/1994US5343749 Single ended tuning fork inertial sensor and method
08/1994
08/31/1994EP0612981A1 Signal processing in the time domain for fiber-optic gyroscope
08/31/1994EP0612980A1 Signal processing for vibratory gyroscope
08/30/1994US5341682 Micromachined rate and acceleration sensor
08/25/1994CA2116293A1 Method of deducing a signal of a phase-modulated fiber-optic gyroscope and method of detecting a modulation coefficient
08/24/1994EP0611950A1 Compensation of source wavelength changes in a closed-loop fibre optic sagnac interferometer
08/24/1994EP0611949A2 Angular velocity sensor and its fabricating method
08/23/1994US5341210 Digital ramp phase type optical interference gyro
08/23/1994US5341209 Triangular dither drive apparatus for a ring laser gyroscope
08/23/1994US5341208 Gas bypass for bias reduction in laser gyrescopes
08/23/1994US5341130 Downward compatible AGV system and methods
08/23/1994US5339690 Apparatus for measuring the rate of rotation and linear accelleration of a moving body in two perpendicular axes
08/23/1994CA2011698C Phase modulated fiber-optic gyroscope
08/18/1994WO1994018729A1 Ring laser discharge starting concept
08/18/1994WO1994018728A1 A technique for making ultrastable ring resonators and lasers
08/18/1994WO1994018525A2 Control of spectral shift errors
08/18/1994DE4304129A1 Device and method for producing a linear movement and a rotational movement by means of changes in rotational pulses
08/18/1994CA2134968A1 A technique for making ultrastable ring resonators and lasers
08/18/1994CA2134557A1 Ring laser discharge starting concept
08/17/1994EP0611046A1 Fibre optic gyroscope sensing coils
08/13/1994CA2105616A1 Apparatus for reducing magnetic field-induced bias errors in a fiber optic gyroscope
08/10/1994EP0609929A1 Vibratory gyroscope controller