| Patents for G01C 25 - Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass (3,490) | 
|---|
| 03/22/2000 | EP0987520A1 Procedure for manufacturing a spirit level | 
| 02/29/2000 | US6029496 Method and device for automatic calibration of an odometer | 
| 02/16/2000 | EP0979387A1 Navigation device and method for position determination by means of coupled navigation | 
| 02/16/2000 | CN2364434Y Theodolite correcting device | 
| 02/03/2000 | WO2000005780A1 Portable reception indicator for satellite radio-navigation systems | 
| 01/26/2000 | EP0974039A1 Method for calibrating aircraft altitude sensors | 
| 01/25/2000 | CA2135809C A method for detecting a fault of an optical-fiber gyro, and an apparatus for diagnosing a fault of the same | 
| 01/18/2000 | US6014814 Method and tool for determining on a vehicle, especially an aircraft, the harmonization error of an equipment item | 
| 01/13/2000 | WO2000002012A1 Device for checking and calibrating high precision inclinometric sensors | 
| 01/12/2000 | EP0752091B1 Automatic calibration of redundant sensors | 
| 01/06/2000 | WO2000000790A1 Method for calculating relative phases between signal channels in a multi-sensor tracking device | 
| 01/06/2000 | WO2000000787A2 Method for calibrating an angle sensor and navigation system with an angle sensor | 
| 01/06/2000 | CA2335789A1 Method for calculating relative phases between signal channels in a multi-sensor tracking device | 
| 11/23/1999 | US5987984 Device for determining a motion parameter with automatic scaling factor correction | 
| 10/12/1999 | CA2184549C Method and apparatus for calibration of a distance sensor in a vehicle navigation system | 
| 10/07/1999 | WO1999050051A1 Insert molding of a liquid-containing member, such as a level vial, and an article of manufacture formed thereby | 
| 10/05/1999 | USH1806 Variable radar altimeter test apparatus | 
| 10/05/1999 | US5963726 Instrumentation system and method including an improved driver software architecture | 
| 09/29/1999 | EP0944812A1 Method and apparatus for calibration of the wheel track | 
| 08/19/1999 | DE19803662A1 Navigationsgerät und Verfahren zur Positionsbestimmung mittels Koppelnavigation Navigation apparatus and method for position determination using dead reckoning | 
| 08/17/1999 | US5940035 Method for calibrating aircraft altitude sensors | 
| 08/05/1999 | WO1999039161A1 Navigation device and method for position determination by means of coupled navigation | 
| 07/28/1999 | EP0932024A1 Method and device for the marking of a plastic container for liquid | 
| 07/28/1999 | CN1224150A Self-leveling reverse two-point mutual adjusting method for setting up optical horizontal reference line | 
| 07/27/1999 | US5928295 Method and apparatus for automatic calibration of the wheel track of a movable vehicle | 
| 07/27/1999 | US5926965 Tilt sensor and top cover plate thereof | 
| 06/30/1999 | EP0925483A1 Method and device for automatic calibration of an odometer | 
| 06/15/1999 | US5912635 For modifying an odometer reading in a vehicle navigation system | 
| 06/10/1999 | WO1999028706A1 Mechanism and method for mounting piezoelectric transducers | 
| 05/06/1999 | DE19822646C1 Marking transparent plastic container for fluids, especially spirit level capsule | 
| 05/05/1999 | CN1216104A Method for determining correction parameters | 
| 04/27/1999 | US5898390 Method and apparatus for calibration of a distance sensor in a vehicle navigation system | 
| 04/14/1999 | CN2314345Y Full functional instrument for surveying plotting instrument | 
| 04/07/1999 | CN1213078A Method and apparatus for determining pressure-induced nonreciprocity of fiber-optic coil | 
| 03/30/1999 | US5889193 Device for ascertaining a rate of rotation | 
| 03/17/1999 | EP0901609A1 Method and device for determining correction parameters | 
| 02/03/1999 | EP0895060A2 Method and apparatus for determining the pressure-induced nonreciprocity of a fibre-optic coil | 
| 02/02/1999 | US5867270 Mechanism and method for mounting piezoelectric transducers | 
| 01/28/1999 | CA2237205A1 Method and apparatus for determining the pressure-induced nonreciprocity of a fiber-optic coil | 
| 01/05/1999 | US5856867 Method and apparatus for determining the pressure-induced nonreciprocity of a fiber-optic coil | 
| 11/19/1998 | DE19824904A1 Autonomous error determination for inertial sensor or measuring system | 
| 10/27/1998 | US5828585 Vehicle speed signal calibration | 
| 10/01/1998 | WO1998043107A1 Satellite-based collision avoidance system and method therefor | 
| 10/01/1998 | WO1998043045A1 Method for calibrating aircraft altitude sensors | 
| 10/01/1998 | DE19710217C1 Determining parameters of vibration or inclination of seismometer | 
| 09/17/1998 | DE19710359A1 System for determining movement value, e.g. rotation rate | 
| 08/27/1998 | DE19721217C1 Appliance for calibrating several gyro systems | 
| 08/19/1998 | CN2288418Y Synthetic check meter for transit | 
| 08/13/1998 | WO1998035206A1 Method and device for determining correction parameters | 
| 08/12/1998 | EP0731938B1 Circuitry for evaluating the signals of a yaw rate sensor | 
| 07/22/1998 | EP0619873B1 Differential odometer dynamic calibration method and apparatus therefor | 
| 07/08/1998 | EP0852177A1 Method and injection mould for manufacturing vials for spirit levels | 
| 06/25/1998 | WO1998027405A1 Method and apparatus for calibration of the wheel track | 
| 06/18/1998 | DE19704853C1 Correction parameter evaluation method for on-board vehicle navigation system | 
| 06/03/1998 | CN1183549A High-accuracy real time measurement product system with dynamic self-tracing approximating cell | 
| 05/12/1998 | US5749152 Spirit level vial construction | 
| 03/26/1998 | WO1998012505A1 Method and device for automatic calibration of an odometer | 
| 03/24/1998 | CA2021633C Torque calibrator | 
| 03/19/1998 | DE19637616A1 Verfahren zum automatischen Kalibrieren eines Wegsensors und Vorrichtung A method for automatically calibrating a displacement sensor and device | 
| 03/17/1998 | US5729234 Remote alignment system | 
| 01/29/1998 | DE19732174A1 Clinometer with air-tight container including bubble housing sealed with top cover | 
| 01/21/1998 | CN1171154A Device for determining turn rate | 
| 12/23/1997 | US5701177 Method for detecting fault of optical fiber gyro and apparatus for diagnosing fault of the same | 
| 12/16/1997 | US5699256 Offset-drift correcting device for gyro-sensor | 
| 12/11/1997 | DE19622910A1 Calibration instrument for slope measuring device | 
| 12/03/1997 | EP0809786A1 Inclination detecting optical sensor and a process for producing the same | 
| 11/12/1997 | EP0806632A1 Vehicle navigation system with automatic calibration of on-board sensors | 
| 10/15/1997 | EP0800642A1 Device for determining turn rate | 
| 09/30/1997 | US5671632 Method for manufacturing a vibrator | 
| 08/13/1997 | EP0692160B1 Temperature corrected integrating analog-to-digital converter | 
| 08/05/1997 | US5654635 Method and device for simultaneous identification and correction of errors due to magnetic perturbations and to misalignments in the measurements of a magnetometer | 
| 07/29/1997 | US5651186 Liquid level vial and method for making the vial | 
| 04/23/1997 | CN2252978Y Automatic calibration device for supersonic measuring | 
| 03/19/1997 | EP0763713A2 Method and apparatus for calibration of a distance sensor in a vehicle navigation system | 
| 03/18/1997 | US5612687 Process for regulating the orientation of a support structure such as that carrying a head-up control system on an aircraft | 
| 01/08/1997 | EP0752091A1 Automatic calibration of redundant sensors | 
| 11/12/1996 | US5574650 Method and apparatus for calibrating the gyros of a strapdown inertial navigation system | 
| 10/23/1996 | CN2238418Y Automatic correcting level instrument | 
| 10/09/1996 | CN2237223Y Detector for detecting spirit level | 
| 10/08/1996 | US5562266 Rate gyro calibration method and apparatus for a three-axis stabilized satellite | 
| 09/18/1996 | EP0731938A1 Circuitry for evaluating the signals of a yaw rate sensor | 
| 08/20/1996 | WO1996026416A1 Inclination detecting optical sensor and a process for producing the same | 
| 07/11/1996 | WO1996021138A1 Device for determining turn rate | 
| 07/04/1996 | DE4447005A1 Vorrichtung zur Ermittlung einer Drehrate Device for determining a rate of rotation | 
| 06/26/1996 | EP0718598A1 Correction of the errors of a magnetometer | 
| 06/19/1996 | EP0717264A1 Procedure and device for estimating gyrometric biases | 
| 05/09/1996 | DE4439606A1 Testing and demonstrating of immersion computers inside pressure vessel | 
| 04/11/1996 | DE4436032A1 Three=dimensional surveying and determination of bounded travel path of vehicle esp. construction unit e.g. earth compactor | 
| 04/10/1996 | EP0706028A1 Inclination sensor and method for its manufacture | 
| 04/03/1996 | EP0704673A1 Manufacturing method for spirit level with adjustable vial | 
| 02/08/1996 | DE4427068C1 Level gauge mfr. with adjustable level capsule | 
| 01/17/1996 | EP0692160A1 Temperature corrected integrating analog-to-digital converter | 
| 12/26/1995 | US5479161 Automatic calibration of redundant sensors | 
| 12/26/1995 | US5479079 Apparatus and method for controlling robot travel | 
| 12/06/1995 | EP0685705A1 Offset-drift correcting device for gyro-sensor | 
| 10/25/1995 | EP0678732A1 Procedure and device for calibrating the gyrometers of a three-axis stabilized satellite | 
| 10/05/1995 | WO1995026492A1 Automatic calibration of redundant sensors | 
| 10/05/1995 | CA2184716A1 Automatic calibration of redundant sensors | 
| 07/26/1995 | EP0664440A1 A method for manufacturing a vibrator | 
| 06/08/1995 | WO1995015519A1 Circuitry for evaluating the signals of a yaw rate sensor |