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WO/2020/152109A1 |
The invention relates to a method for activating a function of a motor vehicle (V) by ultra high frequency with an item of portable user equipment (P) comprising a magnetometer (M) and communicating by ultra high frequency with the vehic...
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WO/2020/146855A1 |
A method for compensating a magnetic heading includes one or more of obtaining a magnetic heading from a magnetic instrument deployed with an apparatus, determining location data for the apparatus, determining local field data based on t...
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WO/2020/123988A1 |
The embodiments described herein relate to systems, methods, and devices for high precision inertial measurement sensing of functional movement and range of motion analysis with close to zero drifts in sensor orientation readings. The sy...
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WO/2020/115251A1 |
A method (100) for adjusting operation of a motion tracking system (10) comprising a computing device (40) and a plurality of sensors (21-24), each sensor (21-24) comprising a magnetometer (31), a gyroscope (32) and an accelerometer (33)...
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WO/2020/062089A1 |
A magnetic sensor calibration method and a movable platform. The method comprises: obtaining a relative motion parameter between a movable magnetic member and a magnetic sensor of the movable platform in the process of the motion of the ...
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WO/2020/052988A1 |
One aspect of the invention relates to a method for correcting magnetometric measurements (10) taken by a magnetometer mounted on a movable support. The movable support carries one or more motion and/or position sensors mounted in a fixe...
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WO/2020/049097A1 |
A method (100) for calibrating a plurality of sensors (21-24) each comprising a magnetometer (31), a gyroscope (32) and an accelerometer (33), the method comprising: providing (111) a first device (10) comprising at least one cavity (15-...
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WO/2020/019260A1 |
A calibration method for a magnetic sensor, a control terminal and a movable platform. The method comprises: after detecting that a calibration condition of the magnetic sensor is triggered, obtaining multiple sets of magnetic field inte...
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WO/2020/012910A1 |
The present invention provides an information processing device including an azimuth detection processing unit which performs an azimuth detection process from detection results from a plurality of angular velocity sensors on the basis o...
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WO/2020/005580A1 |
Examples of systems and methods for calibrating or operating a magnetic sensor for sensor temperature or operating conditions are provided. The magnetic sensor can comprise a dual magnetometer sensor that comprises a first, low-power-con...
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WO/2019/239063A1 |
The invention relates to a method for calibrating a gyrometer (11) that is fitted in an object (1) moving in an ambient magnetic field, said method involving the steps of: • (a) having the gyrometer (11) acquire a measured angular velo...
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WO/2019/239062A1 |
The invention relates to a method for calibrating magnetometers (20) that are fitted in an object (1) moving in an ambient magnetic field, said method being characterized in that it involves the steps of: (a) having the magnetometers (20...
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WO/2019/235786A1 |
Disclosed is a direction guiding method for acquiring information related to an arrival position to which a traveler must reach, recognizing a marker by photographing the marker in which identifiable information is recorded, outputting a...
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WO/2019/227123A1 |
A core orientation kit has a nonferrous downhole hole bottom and compass unit assembled from two parts and above ground components employing manually operable measurement scales. Assembled parts form a chamber holding a free floating ecc...
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WO/2019/216132A1 |
[Problem] To provide an information processing device that can detect, with even higher accuracy, the direction of a mobile body while in movement. [Solution] An information processing device which comprises a control unit that performs ...
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WO/2019/216133A1 |
[Problem] To provide an information processing device that can detect, with even higher accuracy, the direction of a mobile body while in movement. [Solution] An information processing device which comprises a north finding control unit ...
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WO/2019/195356A1 |
A method for improving the accuracy of an inertial navigation system (INS) by performing a synchronization procedure to align the INS to a compass-derived initial heading comprises the steps of determining a heading of minimal error for ...
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WO/2019/173451A1 |
A headphone includes an electro-acoustic transducer for creating audio output, the electro-acoustic transducer comprising a transducer magnet that produces a transducer magnetic field having a magnetic field strength, structure that is c...
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WO/2019/168735A1 |
Methods, apparatus, and systems directed to calibrating a magnetometer. Among such are methods that use only the horizontal components of magnetometer measurements. Then, planar calibrated magnetic field output measurements can be used i...
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WO/2019/161208A1 |
In some embodiments, a position sensing system for an electronic motor includes a board having a transmitter and inductive sensors; a housing in which the board is mounted, the housing including an opening; and a conductive shield positi...
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WO/2019/147163A1 |
The invention relates to the field of terrain navigation and can be used in orienteering. The present compass comprises a capsule having a magnetic needle and a baseplate, said baseplate having a strap attached thereto so that the compas...
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WO/2019/127139A1 |
A calibration method for a magnetometer (101) and a related device. The calibration method comprises: outputting prompt information when a condition for calibrating the magnetometer (101) is satisfied, the prompt information being used f...
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WO/2019/094564A1 |
A system for calibrating a subsystem configured to determine a heading of a vehicle includes (1) a navigation system providing reverser control data, GPS data, and magnetometer data; and (2) an onboard computer configured to calculate X ...
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WO/2019/069930A1 |
When a detection error in any of a geomagnetic sensor, an acceleration sensor, and an angular velocity sensor exceeds a threshold value and a sensor flag is set to "1" (ST3, 5, 7), the present invention shifts to an integrated calibratio...
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WO/2019/061231A1 |
The present application relates to a memory card and a terminal. The memory card comprises a memory circuit, an electronic M-sensor circuit, a first capacitor, a second capacitor, and a first resistor. A digital power terminal of the mem...
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WO/2019/020961A1 |
The invention relates to a method for determining a heading, wherein a magnetic field is measured by at least one magnetometer and a magnetic heading is determined from said measurement, and wherein calculation means carry out a process ...
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WO/2019/020945A1 |
The invention concerns a method for calibrating a magnetometer, comprising the following steps: - the magnetometer travels through (S1) a set of positions on a path, - acquisition (S2) by the magnetometer of a plurality of measurements o...
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WO/2019/020962A1 |
The invention relates to determining a heading by magnetic sensors, in which a magnetic field is measured by magnetometers and calculation means that implement a recursive processing which calculate for a given sampling time: an estimate...
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WO/2018/233601A1 |
An azimuth calibration method and apparatus, a storage medium and a computer device. The method comprises: acquiring a magnetic field vector detected by a magnetic sensor (s202); according to the magnetic field vector and a corresponding...
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WO/2018/224241A1 |
The invention relates to a capsule for a compass and use thereof. The capsule has a housing designed in multiple parts for receiving at least one scale device (10) for reading at least one geographical indication, wherein the scale devic...
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WO/2018/213927A1 |
Methods and systems for modelling pipeline construction, include or implement steps of (a) obtaining ranging data of a pipeline construction location including a pipe; (b) processing the ranging data to produce a spatially organized poin...
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WO/2018/213967A1 |
Embodiments of the present invention provide a signal processing method, apparatus and device for a compass apparatus. The method is applied to a target device comprising the compass apparatus. The compass apparatus is provided at a targ...
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WO/2018/203962A1 |
Various embodiments include devices and methods for mitigating the bias of a magnetometer resulting from operating various hardware components on a device such as a drone or a computing device. Various embodiments may improve the accurac...
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WO/2018/150426A1 |
An apparatus and a method for determining geographic directions are provided here. The method may include the following steps: vibrating a vibrating base; measuring first and second accelerations of the vibrating base in a vertical direc...
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WO/2018/117918A1 |
The present invention relates to a personal prayer mat that moves and rotates automatically and is used to determine the Muslim prayer direction (qibla) autonomously. This is done by attaching a small device to the centre of the prayer m...
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WO/2018/109181A1 |
An apparatus can include a base assembly and a pivot assembly coupled to the base assembly. The apparatus can include a carriage coupled to the pivot assembly. The carriage can be shaped to receive a compass streamer telemetry unit (CSTU...
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WO/2018/108920A1 |
Roll data can be acquired from a magnetometer and an accelerometer of a towed object telemetry unit coupled to a towed object during rolls of the towed object in two or more different headings. The magnetometer can be calibrated based on...
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WO/2018/085689A1 |
A visual navigation system includes a compass configured to orient a user in a heading direction, an image sensor configured to capture a series of successive navigation images in the heading direction, one or more of the navigation imag...
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WO/2018/085270A1 |
A method that includes monitoring, by a processor of a mobile device, a stream of magnetic field measurements generated by a first sensor as the mobile device is manipulated by a user, with each magnetic field measurement representing an...
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WO/2018/070565A1 |
A camera module is disclosed. The disclosed camera module comprises: a module main body having a coupling groove part formed on the outer circumferential surface thereof; a photographing lens formed on one surface of the module main body...
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WO/2018/070103A1 |
Provided are a detachable unit that makes it possible to make work for calibrating the various sensors provided to an unmanned aerial vehicle more efficient and to unitize an unmanned aerial vehicle control function, and a sensor calibra...
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WO/2018/056391A1 |
The purpose of the present invention is to improve the accuracy of positioning using geomagnetism. In the present invention, a positioning geomagnetism map in which positioning paths and geomagnetism patterns are associated with each oth...
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WO/2018/055975A1 |
This electronic compass 1 has a magnetic sensor 10 for detecting two predetermined axis components out of the three geomagnetic axis components in a location and generating biaxial magnetic detection data (hx', hy') corresponding to the ...
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WO/2018/049538A1 |
Disclosed herein is a navigation device having a user interface for receiving input specifying a destination location, a memory for storing the destination location and for storing map data, a global navigation satellite system (GNSS) re...
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WO/2018/048897A1 |
An ensemble of motion sensors is tested under known conditions to automatically ascertain instrument biases, which are modeled as autoregressive-moving-average (ARMA) processes in order to construct a Kalman filter. The calibration inclu...
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WO/2018/027294A1 |
A device for finding one's bearings, such as a compass, in a survival situation. The device consists of a pin or a portion of same, such as a ferromagnetic metal rod, magnetised at one of the ends thereof, introduced by moulding or by pi...
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WO/2018/014444A1 |
A method and device for geomagnetic field adjustment. The method for geomagnetic field adjustment comprises: detecting a charging operation of a mobile terminal (S101); when the charging operation of the mobile terminal is detected, acqu...
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WO/2017/219566A1 |
An anti-charging geomagnetic interference method and device. The method comprises: detecting a current charging state of a mobile terminal (S10); reading voltage values of multiple preset sampling points (S201, S202, S203, S204) if the c...
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WO/2017/220537A1 |
The invention relates to a method of estimating bearing of an optronic system in a geographical reference frame, the optronic system being situated at a first position and referred to as first optronic system. It comprises the following ...
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WO/2017/200544A1 |
An apparatus for worshipping is provided. The apparatus includes a lower base and an upper base. The upper base includes a front end and a rear end and is rotatable attached to the lower base. A motor is operable to rotate the upper base...
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