| Patents for G01C 25 - Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass (3,490) |
|---|
| 06/06/1995 | US5422722 Angular random walk screening fixture |
| 06/06/1995 | US5421187 Calibration of an internal sensor system |
| 05/09/1995 | US5414320 Adjusting apparatus of vibrating gyroscope |
| 04/25/1995 | US5410487 Dynamic error correcting apparatus for inertial navigation |
| 04/18/1995 | US5406858 Gyro platform assembly |
| 03/28/1995 | US5402365 Differential odometer dynamic calibration method and apparatus therefor |
| 03/21/1995 | US5400025 Temperature corrected integrating analog-to-digital converter |
| 03/16/1995 | DE4411335C1 Self-calibrating device for measuring inclination |
| 02/22/1995 | EP0472674B1 Clinometer |
| 02/22/1995 | CN1099169A Gyro compass fault detecting software |
| 02/01/1995 | EP0619873A4 Differential odometer dynamic calibration method and apparatus therefor. |
| 12/21/1994 | EP0629839A1 Adjusting apparatus of vibrating gyroscope |
| 11/29/1994 | US5367898 Method of calculating scale factor of gyro |
| 11/09/1994 | EP0469057B1 Yaw Rate Measuring Apparatus |
| 10/19/1994 | EP0619873A1 Differential odometer dynamic calibration method and apparatus therefor |
| 10/13/1994 | WO1994023501A1 Temperature corrected integrating analog-to-digital converter |
| 10/12/1994 | CN1093461A Five emperors south-seeking vehicle, and five vehicle probability calibrating method |
| 09/28/1994 | EP0617259A1 Method for calibrating aircraft navigation systems |
| 09/21/1994 | CN1025972C Comprehensive check meter for precision level-metre |
| 08/16/1994 | CA1331485C Electronic boresight |
| 07/19/1994 | US5331578 Procedure for measuring angles and trajectories by means of gyros and inertial systems |
| 06/15/1994 | EP0602013A2 Calibration apparatus of angular velocity sensor in self-contained navigational system |
| 06/14/1994 | US5321631 Method and self-contained system for harmonizing equipments on board a vehicle, using means of measuring the earth's gravitational and magnetic fields |
| 05/18/1994 | EP0596946A1 Calibration technique for a vehicle's differential odometer |
| 05/11/1994 | WO1994010537A1 Differential odometer dynamic calibration method and apparatus therefor |
| 04/19/1994 | US5305236 Method and self-contained system for harmonizing equipments on board a vehicle, using means of measuring the earth's gravitational field |
| 03/22/1994 | US5296855 Offset correction apparatus of turning angular velocity sensor |
| 03/16/1994 | CN1024047C Vertical right angle composite error tester |
| 01/11/1994 | US5278424 Apparatus and method for correcting an offset value contained in an output of a turning angular velocity sensor |
| 01/11/1994 | CA1325904C Method of correcting zero point of gyro and apparatus therefor |
| 12/28/1993 | US5274576 Apparatus for measuring the yaw rate of a vehicle |
| 12/14/1993 | US5270959 Bias correction apparatus of gyro |
| 11/03/1993 | EP0568276A1 Testing of structures |
| 09/01/1993 | EP0558065A2 Dynamic error correcting apparatus for inertial navigation |
| 09/01/1993 | EP0557592A1 Device for calibrating a measuring device |
| 09/01/1993 | EP0557591A1 Device for determining the relative orientation of a body |
| 08/18/1993 | EP0555586A1 Offset correction for gyroscope |
| 06/30/1993 | CN1073763A Vehicle speed odometer calibrator capable of defining K value |
| 05/18/1993 | US5210954 For determining the inclination of structures |
| 04/14/1993 | CN1020305C Symmetric mirror imge converting method for testing the variation of sight axis of telescope with distance |
| 02/18/1993 | WO1993003327A1 Calibration technique for a vehicle's differential odometer |
| 02/02/1993 | US5184304 Fault-tolerant inertial navigation system |
| 12/30/1992 | CN1067504A Comprehensive checker for precise levelling instrument |
| 11/24/1992 | US5166882 System for calibrating a gyro navigator |
| 11/04/1992 | EP0511730A2 Fault-tolerant inertial navigation system |
| 10/20/1992 | US5156038 Calibration technique for a vehicle's differential odometer |
| 09/29/1992 | US5150856 System for aligning the inertial unit of a carried vehicle on that of a carrier vehicle |
| 09/09/1992 | EP0502771A1 Procedure and system for autonomous harmonization of equipment on board a vehicle, using means for measuring terrestrial gravitational and magnetic fields |
| 09/09/1992 | EP0502770A1 Procedure and system for autonomous harmonization of equipments on bord of a vehicle, using means for measuring terrestrial gravitational field |
| 07/29/1992 | EP0496517A1 Method of calculating scale factor of gyro |
| 07/29/1992 | EP0496172A1 Bias correction apparatus of gyro |
| 07/07/1992 | CA1304599C Solid state accumulating altimeter |
| 06/17/1992 | EP0489955A1 Spirit level and procedure for manufacturing same |
| 06/03/1992 | EP0488594A1 Offset correction apparatus of turning angular velocity sensor |
| 05/19/1992 | US5115238 Calibration apparatus of angular velocity sensor in self-contained navigational system |
| 05/06/1992 | EP0484202A1 System for the transfer of alignment between the inertial system of a carried vehicle and that of the carrier vehicle |
| 04/30/1992 | CA2054377A1 System for alignment of a carried vehicle inertial system on carrier vehicle inertial system |
| 04/23/1992 | DE4029215A1 Accurate measurement of spatial angles, trajectories, contours etc. - uses sequential angle and/or velocity and/or position measuring w.r.t. unknown, but identical starting states |
| 04/07/1992 | CA1298637C Method and apparatus for planar alignment of a ring laser gyroscope forminimum magnetic bias sensitivity |
| 03/04/1992 | EP0472674A1 Clinometer. |
| 02/05/1992 | EP0469057A1 Yaw Rate Measuring Apparatus. |
| 12/31/1991 | US5076694 In-flight scale factor calibration of ring laser gyro systems |
| 12/18/1991 | CN1057106A Vertical right angle composite error tester |
| 11/19/1991 | US5065612 Method of correcting zero point of gyro and apparatus therefor |
| 11/06/1991 | CN2088235U Digital i-angle detector |
| 09/03/1991 | US5045745 Spinning piezoelectric beam of a dual-axis angular rate sensor and method for its adjustment |
| 08/20/1991 | US5040407 Speedometer/odometer/cruise control tester and related methods |
| 08/08/1991 | WO1991011684A1 Clinometer |
| 08/01/1991 | DE4002493A1 Inclination measurer using rotary table - carrying inclinometer and mounted on base plate with motorised rotation and lifting mechanically |
| 07/23/1991 | US5034712 Magnetic heading sensor alignment |
| 07/16/1991 | US5031330 Planes |
| 07/02/1991 | US5027640 Speedometer/odometer/cruise control tester and related methods |
| 04/30/1991 | US5012424 Multiple sensor system and method |
| 04/10/1991 | EP0421029A1 Motion simulator |
| 03/14/1991 | DE3928738A1 Automatic operation of strap-down course and position reference system - using special filter to initiate self-alignment when at rest |
| 03/13/1991 | EP0416370A2 Method and device for detecting and indentifying sensor errors |
| 01/22/1991 | CA1279402C Method and tooling for aligning equipement on board a carrier vehicle, more particularly on board an airplane |
| 01/02/1991 | EP0405152A2 Method for adjusting a spinning piezoelectric beam of a dual-axis angular rate sensor |
| 11/29/1990 | CA2017726A1 Spinning piezoelectric beam of a dual-axis angular rate sensor and method for its adjustment |
| 10/30/1990 | US4967123 Testing an electric motor for mechanical integrity |
| 10/22/1990 | WO1990012698A1 Apparatus for measuring the yaw rate of a vehicle |
| 10/22/1990 | CA2053311A1 Apparatus for measuring the yaw rate of a vehicle |
| 10/10/1990 | EP0391647A2 Calibration apparatus of angular velocity sensor in self-contained navigational system |
| 08/29/1990 | CN1044985A Symmetric mirror image converting method for testing the variation of sight axis of telescope with distance |
| 05/02/1990 | EP0366249A2 Method for correcting zero point of gyro and apparatus therefor |
| 03/13/1990 | US4908558 Spherical motion simulator |
| 12/05/1989 | US4884771 Method for calibrating the gyros of a 3-axis stabilized satellite |
| 08/30/1989 | CN2043748U Laser detector of car odometer |
| 08/16/1989 | EP0328396A1 Flexure mounting assembly |
| 08/02/1989 | EP0326256A1 Electronic surface alignment system |
| 07/25/1989 | US4850708 Method and apparatus for planar alignment of a ring laser gyroscope for minimum magnetic bias sensitivity |
| 07/11/1989 | US4845856 Method and apparatus for aligning equipment on board a carrier vehicle and particularly on board an aircraft |
| 01/18/1989 | CN2031087U Level standard meter |
| 11/30/1988 | EP0292593A1 Gyrocompass navigation system for land vehicles |
| 08/17/1988 | EP0278825A1 Method and means for aligning equipment in an air craft |
| 08/03/1988 | EP0276663A2 Device for determining the time variant position and the errors of a repeater navigation system relative to a master system |
| 04/27/1988 | CN86106619A Vertical angle calibrating instrument |
| 04/19/1988 | US4738532 Method of calibrating an optical measuring system |
| 03/03/1988 | DE3718006A1 Method and arrangement for compensating for the tilt axis error in surveying instruments |
| 10/15/1987 | DE3639541A1 Device for calibrating scanning radiometers |