| Patents for G01C 25 - Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass (3,490) |
|---|
| 09/15/1987 | US4693114 Gyrocompass navigation system for land vehicles |
| 05/26/1987 | CA1222153A1 Inertial systems |
| 03/31/1987 | US4654582 Used to provide fault isolation in a navigation system |
| 01/29/1987 | DE3614152A1 Process and apparatus for producing tubular levels |
| 01/06/1987 | US4634283 Method and apparatus for reducing quantization error in laser gyro test data through high speed filtering |
| 12/30/1986 | US4633422 Apparatus for and method of compensating for variations due to aging |
| 12/02/1986 | US4625426 For automatically measuring the input axis of a gyro |
| 10/21/1986 | US4617820 Level calibrating device |
| 10/21/1986 | CA1212833A1 Tilt sensor null adjusting apparatus |
| 06/18/1986 | EP0184632A2 Arrangement for initializing and/or recalibrating a repeating inertial navigator |
| 04/22/1986 | US4583852 Attitude transfer system |
| 04/15/1986 | US4583178 Strapped-down inertial system for a vehicle |
| 02/04/1986 | US4567666 Tilt sensor null adjusting apparatus |
| 12/31/1985 | US4561795 Biased harmonic locking ring |
| 11/21/1985 | EP0161920A2 Locking ring |
| 11/13/1985 | EP0161153A1 Slotted disc for balancing a gyroscope spindle |
| 11/13/1985 | EP0161152A1 Process for balancing a flywheel, device for welding pellets and its application to a flywheel of a gyroscope |
| 10/22/1985 | US4547974 Dynamic alignment fixture |
| 09/17/1985 | US4541178 Alignment transfer and verification scheme for a portable land navigation system |
| 06/19/1985 | EP0145125A2 Tilt sensor null adjusting apparatus |
| 06/18/1985 | US4524357 Apparatus for visually indicating the current location of an automotive vehicle |
| 03/19/1985 | CA1184302A1 Process and apparatus for monitoring length and diameter of helical corrugated pipe |
| 02/19/1985 | US4500200 Electro-optic sensor for measuring angular orientation |
| 02/19/1985 | US4499778 Flexure mount assembly for a dynamically tuned gyroscope and method of manufacturing same |
| 12/12/1984 | EP0127843A2 Method of correcting gyro drift |
| 11/20/1984 | US4483080 Alignment detection system |
| 11/13/1984 | US4482252 Calibration method and apparatus for optical scanners |
| 10/24/1984 | EP0122503A2 Attitude transfer system |
| 09/11/1984 | US4470199 Method and apparatus for aligning aircraft instruments bearing platforms |
| 09/04/1984 | US4470124 Method of adjusting the zero-point of rate type sensor |
| 05/30/1984 | EP0109784A1 Inertial systems |
| 05/08/1984 | US4446716 Self-compensating centrifuge arm |
| 02/22/1984 | EP0026205B1 Gyro-compass |
| 01/24/1984 | US4426889 Molded inertial sensor |
| 08/23/1983 | US4400731 Testing display systems |
| 07/05/1983 | CA1149201A1 Method and apparatus for calibrating gyroscopically-stabilized, magnetically- slaved heading reference system |
| 01/26/1983 | EP0070476A1 Spirit level |
| 01/04/1983 | CA1138688A1 Molded inertial sensor |
| 12/28/1982 | CA1138189A2 Comparative type measuring calibrating and interpolating system |
| 12/07/1982 | CA1136906A1 Device for setting up a vertical gyroscope |
| 09/28/1982 | US4352063 Self-calibrating speedometer/odometer |
| 08/31/1982 | US4346614 Process and device for installing a vertical gyroscope |
| 08/17/1982 | CA1129685A1 Flexure assembly for a dynamically tuned gyroscope |
| 08/04/1982 | EP0057138A1 System for determining the resonance phenomenon of a rotating body |
| 06/08/1982 | CA1125057A1 Inertial instrument |
| 05/18/1982 | US4330779 Display analyzer having angular degrees of freedom |
| 03/17/1982 | EP0047679A2 Display analyzer and method for analyzing an image from a unit under test |
| 12/01/1981 | US4302962 Inclinometer test assembly |
| 10/06/1981 | US4292854 Gyroscopic apparatus having three-axis inertial platform with rapid warm-up |
| 09/30/1981 | EP0036484A2 Apparatus for measuring the distance covered by a vehicle |
| 08/28/1981 | EP0026205A4 Gyro-compass. |
| 08/04/1981 | US4281555 Molded inertial sensor |
| 07/28/1981 | US4280366 Gas driven gyroscope |
| 07/14/1981 | US4277976 Process and apparatus for measurement of nonuniformity of mass in a rotor |
| 07/07/1981 | US4276924 Method and apparatus for casting a splat-cooled flexure member |
| 05/26/1981 | US4269072 Flexure assembly for a dynamically tuned gyroscope |
| 04/08/1981 | EP0026205A1 Gyro-compass. |
| 03/11/1981 | EP0024977A2 Method and means for caging a vertical gyroscope |
| 01/13/1981 | CA1093662A1 Shipboard reference for an aircraft navigation system |
| 10/16/1980 | WO1980002195A1 Drift compensation and gyroscopic compass |
| 10/15/1980 | EP0016807A1 Molded inertial sensor |
| 07/29/1980 | US4214482 Inertial instrument |
| 05/13/1980 | US4202516 Electronic tripod technique |
| 05/13/1980 | US4202089 Splat-cooled instrument flexure and method to fabricate same |
| 03/06/1980 | WO1980000370A1 Molded inertial sensor |
| 06/26/1979 | CA1057088A1 Gyrocompassing system |
| 02/20/1979 | US4140592 Gas bearing surface coating |
| 02/06/1979 | CA1047807A1 Start-up conditioning means for an azimuth reference |
| 10/24/1978 | US4121890 Laser rangefinder tester |
| 10/10/1978 | CA1040291A1 Comparator for step data gyro compasses |
| 09/19/1978 | US4115754 Aircraft onboard operational status indicator |
| 09/05/1978 | CA1037704A1 Liquid for a feeler element for the electrical measurement of inclinations |
| 06/20/1978 | US4095484 Balancing system for rotary element |
| 02/14/1978 | US4074196 Speedometer and odometer apparatus |
| 01/17/1978 | US4068952 Range testing system having simulated optical targets |
| 06/28/1977 | US4032759 Shipboard reference for an aircraft navigation system |
| 06/07/1977 | US4028524 Balancing system for a rotating mass |
| 06/07/1977 | US4028260 Liquid for a feeler element for the electrical measurement of inclinations |
| 05/24/1977 | US4024758 Simulated testing of undersea apparatus |
| 01/18/1977 | US4003265 Mass balancing system for rotatable assemblies |
| 12/21/1976 | US3998088 Testing apparatus for incremental shaft encoder |
| 12/21/1976 | US3997975 Calibration of a meridian seeking instrument |
| 08/31/1976 | US3977087 Gyro system rapid activation utilizing last known position of gyro |
| 07/06/1976 | US3967384 Start-up conditioning means for an azimuth reference |
| 06/15/1976 | US3962797 Self contained quick reacting wide angle gyrocompassing |
| 03/02/1976 | US3941345 Radial arm guidance platform tracker |
| 02/24/1976 | US3940597 Navigational error correcting system |
| 02/17/1976 | US3938256 Quick settling gyrocompass having interaxis decoupling compensation for improved response time |
| 02/03/1976 | US3935746 Balancing system for a rotating mass |
| 01/06/1976 | US3930317 Electronic azimuth transfer method and system |