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WO/2010/063779A1 |
An embodiment of the invention includes using a set of telescopes to calibrate a three dimensional optical scanner. Three separate calibrations are disclosed for a survey grade calibration: (1) angular calibration, implemented using at l...
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WO/2010/063781A1 |
An embodiment of the invention includes using a set of telescopes to calibrate a three dimensional optical scanner. Three separate calibrations are disclosed for a survey grade calibration: (1) angular calibration, implemented using at l...
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WO/2010/060994A1 |
In a gyroscopic system comprising at least four vibratory gyroscopes, a first measurement is provided by said vibratory gyroscope to be calibrated, and a second measurement is provided by a combination of the measurements from the other ...
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WO/2010/060993A1 |
A gyroscopic system comprises at least four vibratory gyroscopes capable of changing vibration position. A first measurement is provided by a gyroscope to be calibrated and a second measurement is provided by a combination of the respect...
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WO/2010/062176A1 |
A signal processing module (50) comprises a difference signal generating module (60) for generating at least one difference signal (Δ) from a first and a second acceleration measurement vector signal (S1, S2), the first and the second a...
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WO/2010/046552A1 |
The invention relates to a method for controlling an inertial rotation sensor with a vibrating resonator (1) comprising control paths (C1, C2) and detection paths (D1, D2), said method comprising an operation step during which each contr...
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WO/2010/043537A1 |
The invention relates to a method for installing a sensor arrangement into a vehicle having a vehicle chassis, wherein the vehicle chassis is in a defined position during the installation and the sensor arrangement is fastened directly o...
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WO/2010/015499A1 |
The invention relates to a method for calibrating a multi-camera system comprising at least two cameras at a distance from one another, said cameras comprising electronic image sensors, wherein during calibration the cameras are aligned ...
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WO/2009/153212A1 |
Instrument for calibrating an altimeter device delivering an indication of the altitude of the place where it is located on the basis of an atmospheric pressure measurement, characterized in that it comprises means for transmitting a sig...
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WO/2009/155269A2 |
The present invention includes a system and a method by which the inclination of a machine element, such as a platform, may be sensed, and errors that might otherwise result from tangential and radial acceleration eliminated. The platfor...
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WO/2009/127561A1 |
The system for determining parameters representing the orientation of a solid in movement subject to a first vector field (A) and a second vector field (M) includes a first triaxial sensor (CAPT1) and a second triaxial sensor (CAPT2) sec...
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WO/2009/125346A1 |
A controllable light source (102) is controlled to emit modulated light, preferably using a uniquely recognizable modulation pattern. A plurality of camera units (10) captures images that contain the light source. Clock time values at a ...
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WO/2009/117590A1 |
A method, computer readable medium and system for detecting a sensor fault includes identifying one or more of a plurality of tools to use with at least one of a plurality of data acquisition systems based on data obtained from and at le...
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WO/2009/106144A1 |
The present invention provides a method for calibrating a geodetic instrument, an instrument and a computer program product thereof. In the method and geodetic instrument of the present invention, a value of at least one parameter affect...
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WO/2009/103900A2 |
The method of correcting the gain of a capacitive unit comprising electrodes that can move with respect to one another, comprises the steps: of successively applying reduced bias voltages (10, 12) to one of the electrodes, said voltages ...
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WO/2009/101338A2 |
The method according to the invention implements a simulation of hybrid type making it possible to validate an inertial platform (3) of a craft on board a simulator (2) of angular movements, by comparing a trajectory of the craft calcula...
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WO/2009/083373A1 |
The invention relates to a method for the independent alignment of an inertial unit for a backup instrument in an aircraft. According to the invention, the method comprises the following steps: determining a condition of the aircraft, i....
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WO/2009/083374A1 |
The invention relates to a method for the independent alignment (40) of an inertial unit to be mounted e.g. in an aircraft, characterised in that it comprises the following steps: monitoring the occurrence of a movement of the inertial u...
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WO/2009/065945A1 |
The invention relates to aircraft pilot assistance instruments and more particularly to a system that comprises two instruments (ICS1, ICS2) for displaying flight parameters, in particular the altitude of the aircraft. Each instrument in...
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WO/2009/063400A2 |
There is provided an object orientation measurement system for improving the accuracy of a first estimate of the orientation of an object to which the system is attached, the system comprising an accelero meter for measuring a first acce...
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WO/2009/053562A2 |
The invention relates to a method for determining the rotation speed of a second-order axisymmetric vibrating sensor, that comprises the steps of: carrying out an evaluation of the rotation speed consecutively for a number N of the vibra...
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WO/2008/124539A1 |
A system for correcting angular velocity measurements from a gyroscope (104) and using the corrected angular velocity measurements to position an antenna (106) used with a vehicle. (102) The system determines an approximate null point vo...
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WO/2008/119986A1 |
There is described a method for determining a value of a zero point offset of a yaw rate sensor. The method comprises measuring over time the output of the yaw rate sensor, determining whether the measured output has remained within a se...
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WO/2008/090275A2 |
The invention relates to a method for calibrating the scale factor of an axisymmetrical vibrating gyrometer actuated by the application of an amplitude control signal (CA) and of precession control signal (CP) to a resonating member (1) ...
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WO/2008/079456A1 |
A system, computer readable media, and method for calibrating an odometer system of the type which measures distance traversed by a railway vehicle based on a number of wheel rotations. In an exemplary embodiment, a control unit is coupl...
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WO/2008/036167A2 |
A device for use with a surgical navigation system includes a body with an inner and outer wall that is shaped to envelope an extremity of a patient, a tracking device associated with the body in a fixed relation to the outer wall of the...
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WO/2008/031450A1 |
The application relates to a calibration of optical instruments to improve an accuracy of positional measurements using the optical instrument. Viewing direction errors of a direction measured by the optical instrument are recorded (120)...
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WO/2008/017324A1 |
A spirit level (12) is produced with an additional element (14), in which a measurement value is marked on the additional element (14), which value has been determined for at least one predetermined quality feature during production of t...
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WO/2007/125377A1 |
A method of calibrating a device comprising: imaging an object in a viewfinder of a device; obtaining a device location from a location mechanism and a device orientation from an orientation mechanism; and using the obtained device locat...
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WO/2007/111978A2 |
System having one or more inertial sensors in which one or more of the sensor input axes are modulated in orientation about an axis substantially perpendicular to the input, or sensitive, axis of the sensor and, in some embodiments, by a...
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WO/2007/101724A2 |
A portable navigation device comprises an accelerometer, a GPS receiver, and a calibration module The calibration module generates calibration parameters that enable acceleration data from the accelerometer to be accurately converted int...
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WO/2007/086826A1 |
A method for providing dynamic disturbance compensation to an inertial system (10) is described. The method includes determining estimated correction factors (60) based on received acceleration components, (57) and dynamically determinin...
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WO/2007/069985A1 |
A method and computer program product for generating a relation between an output signal of a distance gauge (7) is disclosed. Applications include calibrating a distance gauge (7) and concurrent calibrating and distance measuring.
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WO/2007/065570A1 |
Disclosed are a method and a device for calibrating a humidity sensor (18), in which a carrier gas having a predefined input steam concentration and a predefined rate of flow (Qv) flows into a mixing chamber (2) communicating with a wate...
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WO/2007/060289A1 |
The invention relates to microelectromechanical components, like microelectromechanical gauges used in measuring e.g. acceleration, angular acceleration, angular velocity, or other physical quantities. The microelectromechanical componen...
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WO/2007/048931A2 |
The invention relates to a method for setting the barometric altitude of an aircraft provided with means (11, 12) for determining altitude without using a barometric pressure. The inventive method consists in determining an altitude (Zv,...
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WO/2007/042427A1 |
The invention concerns a method for correcting aging effects of a measurement sensor, when the sensor is switched on. The invention also concerns a device delivering measurements after the aging effects of the device have been corrected....
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WO/2007/031403A1 |
The invention relates to a method for operating a vibrating gyroscope and to a sensor arrangement comprising such a vibrating gyroscope. Said vibrating gyroscope is used as a resonator and is part of at least one control circuit that exc...
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WO/2007/031402A1 |
The invention relates to a method for operating a vibrating gyroscope and to a sensor arrangement comprising such a vibrating gyroscope. Said vibrating gyroscope is used as a resonator and is part of at least one control circuit that exc...
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WO/2007/026238A1 |
An apparatus-based method is disclosed for calibration of a 3D field sensor. The method comprises accessing a plurality of samples, where the samples are from the 3D field sensor. Each sample represents a magnitude and an orientation of ...
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WO/2007/018689A1 |
An exemplary inertial measurement apparatus incorporates self-calibrating bias correction signals. First and second inertial instruments generate respective input signals representative of an inertial attribute to be measured. A bias est...
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WO/2007/015149A2 |
While calibrating the position of a robot having a gyro, the robot emits a beam of light to a target wall surface, and the position of a laser point on the target wall surface illuminated by the beam of light is measured. The measured po...
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WO/2007/014446A1 |
An orientation sensing apparatus includes a rotatable first member, an orientation sensor device fixed with the first member for generating orientation data relating to an orientation sensor device orientation, and a rotation sensor devi...
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WO/2007/009825A1 |
An inertial measurement unit (IMU) contains three linear acceleration sensors and three rotational speed sensors. For the sensors there are desired installation directions parallel to the co-ordinate axes of a Cartesian co-ordinate syste...
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WO/2006/114603A2 |
A method of calibrating a probe (62) is disclosed said probe being mounted on a machine and having a stylus (64) with a workpiece contacting tip (66), comprising calculating calibration information for the probe for a first orientation o...
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WO2006073632A9 |
An inertial navigation system is provided. The system includes a sensor block, an outer shell that substantially surrounds the sensor block and a plurality of gas pads connected to the outer shell that float the sensor block in gas creat...
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WO/2006/082128A1 |
The invention relates to a sensor (500) comprising an oscillating system (510) and a drive unit (520) for exciting a driving oscillation of the oscillating system (510). Said sensor (500) further comprises a measurement deflection having...
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WO/2006/069255A2 |
Methods and systems for controlling variation in dimensions of patterned features across a wafer are provided. One method includes measuring a characteristic of a latent image formed in a resist at more than one location across a wafer d...
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WO/2006/065547A1 |
A system and method for reducing rectification error in a MEMS device cause by noise and/or vibration. A visco-elastic polymer is situated around at least part of the MEMs device, wherein the visco-elastic polymer converts at least some ...
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WO/2006/065298A1 |
A system to determine unwanted noise produced by simulation equipment. In one embodiment, an angular rotation noise measuring system comprises a stable body, a laser, at least one interferometer and at least one mirror. The laser (202) i...
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