Patents
Patents for G01C 25 - Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass (3,490)
01/2004
01/20/2004US6681182 Fault detection pseudo gyro
01/14/2004EP1379837A1 An apparatus and a methof for calibration of an industrial robot
01/02/2004EP1373832A1 Modular altimeter
12/2003
12/31/2003CN1464970A Self-calibrating, multi-camera machine vision measuring system
12/11/2003WO2003102504A2 Adjusting the null position of levelling apparatus
12/04/2003WO2003076875A3 Vial insert for a spirit level
12/04/2003US20030225536 Self-calibrating, multi-camera machine vision measuring system
11/2003
11/25/2003US6653650 Streamlined method and apparatus for aligning a sensor to an aircraft
11/19/2003CN1456864A Electronic flight instrument system detector
11/06/2003WO2003054476A3 Electrolytic tilt sensor
11/05/2003CN1126940C High-accuracy real-time measurement product system with dynamic self-tracing appoximating element
11/04/2003US6640610 Automatic integrated mechanical and electrical angular motion detector test system
10/2003
10/30/2003WO2003089880A1 Retainer clips for securing a cylindrical level vial
10/22/2003EP1355129A2 Navigation system and device, method and programm for correcting acceleration data and recording medium containing the program
10/21/2003US6634207 Accelerometer compensation in an inertial navigation system
10/15/2003EP1352215A2 Pedometer
10/08/2003EP0974039B1 Method for calibrating aircraft altitude sensors
10/02/2003WO2003081177A1 Methods and apparatus for installation alignment of equipment
10/02/2003US20030184725 Distance measuring sensor and method for manufacturing the same
09/2003
09/25/2003US20030182059 Methods and apparatus for installation alignment of equipment
09/24/2003EP1036301B1 Mechanism and method for mounting piezoelectric transducers
09/18/2003WO2003076875A2 Vial insert for a spirit level
09/09/2003US6618683 Method and apparatus for calibrating an accelerometer-based navigation system
08/2003
08/28/2003US20030160962 Manifold for processing a stacked array of laser block assemblies
08/27/2003EP1337806A1 Ground test bench for stellar sensor
08/20/2003CN1118685C In-situ calibration device for large-size 3D space measurement and measuring method thereof
08/13/2003EP1335185A1 Differential charge amplifier with built-in testing for rotation rate sensor
08/07/2003US20030149529 Fault detection pseudo gyro
07/2003
07/31/2003US20030140511 Vial insert for a spirit level
07/29/2003US6598455 Non-inertial calibration of vibratory gyroscopes
07/17/2003US20030132756 Method and device for diagnosing trouble with sensor function
07/16/2003EP1327859A2 Method for calibrating an inclination sensor
07/15/2003US6591510 Method and apparatus for securing and aligning bubble vials
07/10/2003US20030126906 Method and device for calibrating combination sensors having a rate-of-rotation sensor component and an acceleration sensor component
07/03/2003WO2003054476A2 Electrolytic tilt sensor
07/03/2003WO2003034005A3 An estimator for determining resonant frequency and q
07/02/2003EP0944812B1 Method and apparatus for calibration of the wheel track
06/2003
06/26/2003US20030115930 Method, device and system for calibrating angular rate measurement sensors
06/24/2003US6584384 Device, method and computer program product for altimetry system
06/19/2003US20030110652 Electrolytic tilt-sensor
06/12/2003WO2003048677A2 Inclination measurement apparatus
06/10/2003US6577976 Method for dynamic autocalibration of a multi-sensor tracking system and apparatus incorporating it therein
06/10/2003US6577952 Position and heading error-correction method and apparatus for vehicle navigation systems
06/04/2003EP1315945A2 Calibration of multi-axis accelerometer in vehicle navigation system using gps data
06/03/2003US6571630 Dynamically balanced microelectromechanical devices
05/2003
05/30/2003WO2003043862A1 Vehicle data bus system comprising a sensor module
05/29/2003US20030098972 Streamlined method and apparatus for aligning a sensor to an aircraft
05/21/2003CN1419128A Method, equipment and system for calibrating angular rate sensor
05/15/2003WO2003040656A1 Self-calibrating inertial measurement system method and apparatus
05/15/2003WO2002057716A3 Pedometer
05/15/2003US20030089157 Estimator for determining resonant frequency and Q
05/14/2003EP1310770A1 Method, device and system for calibrating angular rate measurement sensors
05/08/2003US20030084704 Self-calibrating inertial measurement system method and apparatus
05/08/2003US20030084582 Inclination measurement apparatus
05/06/2003US6557392 Device for checking and calibrating high precision inclinometric sensors
05/02/2003EP1092128B1 Device for checking and calibrating high precision inclinometric sensors
04/2003
04/24/2003WO2003034005A2 An estimator for determining resonant frequency and q
04/17/2003CA2847625A1 Airborne geophysical measurements
04/16/2003EP0809786B1 Inclination detecting optical sensor and a process for producing the same
04/03/2003US20030065466 Self-calibrating, multi-camera machine vision measuring system
04/02/2003EP1297308A1 Method for making a levelling device, in particular disposable
03/2003
03/26/2003CN1103910C Method for determining correcting parameters
03/18/2003CA2057365C Spirit level and manufacturing process for producing it
03/12/2003EP1291617A1 Method and arrangement for determining the position and orientation of an imaging device during the optical measuring of objects
03/11/2003US6532419 Calibration of multi-axis accelerometer in vehicle navigation system
02/2003
02/26/2003EP1285231A2 Measurement method to facilitate production of self-aligning laser gyroscope block
02/26/2003EP1068066B1 Insert molding of a liquid-containing member, such as a level vial, and an article of manufacture formed thereby
02/20/2003WO2003014669A2 Method for electrostatically aligning and tuning a microgyroscope
02/20/2003WO2003014667A1 Method and device for trimming sensors with oscillating structures
02/20/2003US20030036847 Position and heading error-correction method and apparatus for vehicle navigation systems
02/20/2003US20030033850 Cloverleaf microgyroscope with electrostatic alignment and tuning
02/11/2003US6516651 Coriolis effect transducer
01/2003
01/28/2003US6510745 Coriolis effect transducer
01/23/2003WO2002042716A3 Wafer eutectic bonding of mems gyros
01/23/2003DE10155667C1 Matching combined-sensors with turn rate, acceleration sensor components involves arranging for centrifugal force of motion about turn rate sensitive axis to acts along acceleration-sensitive axis
12/2002
12/24/2002US6498996 Vibration compensation for sensors
12/24/2002US6497146 Inertial rate sensor and method with built-in testing
12/19/2002US20020193957 Data collection methods and apparatus with parasitic correction
12/18/2002EP1266188A2 Self-calibrating multi-camera machine vision measuring system
12/17/2002US6496779 Inertial measurement unit with magnetometer for detecting stationarity
12/11/2002EP1265053A1 Diagnostic test for a resonant micro electro mechanical angular rate system
12/05/2002US20020178813 Diagnostic test for a resonant micro electro mechanical system
12/04/2002CN1383482A Method and device for diagnosing trouble with sensor function
11/2002
11/26/2002US6486661 Sensor bias drift compensation
11/21/2002US20020171821 Traversing laser locating system
11/12/2002US6480271 Traversing laser locating system
10/2002
10/30/2002EP1252479A2 Device, method and computer program product for altimetry system
10/29/2002US6473483 Pedometer
10/24/2002WO2002084216A1 An apparatus and a methof for calibration of an industrial robot
10/24/2002WO2002083373A1 A device and a method for calibration of an industrial robot
10/03/2002US20020139169 Automatic integrated mechanical and electrical angular motion detector test system
10/02/2002EP1245930A2 Automatic integrated mechanical and electrical angular motion detector test system
09/2002
09/26/2002US20020134154 Method and apparatus for on-chip measurement of micro-gyro scale factors
09/19/2002US20020131619 Method for calculating relative phases between signal channels in a multi-sensor tracking device
09/12/2002WO2002070993A1 Modular altimeter
09/11/2002EP1238248A1 Coriolis effect transducer
09/11/2002EP0925483B1 Method for automatic calibration of an odometer
08/2002
08/28/2002CN2508221Y Vertical angle standard device capable of carrying out arbitrary graduation
08/22/2002WO2000017607A9 Calibration of multi-axis accelerometer in vehicle navigation system
08/15/2002US20020109512 Sensor bias drift compensation
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