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