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Patent Searching and Data


Matches 1 - 50 out of 726

Document Document Title
WO/2018/129335A1
Methods, apparatus, and systems for estimating and calibrating a gyroscope's scale using a magnetometer mounted on the same device by rotating the device about an axis multiple times; and, during the first rotation, storing the magnetome...  
WO/2018/121617A1
A detection method for positioning accuracy, an electronic device and a computer storage medium, the method comprising: controlling a target device to move according to a preset route (101); while the target device moves, detecting first...  
WO/2018/118574A1
Methods, apparatus, and systems for calibrating the Zero Rate Offset (ZRO) of a gyroscope are disclosed.  
WO/2018/099089A1
A method and a device for recognizing a stationary state is provided for resolving the issue of low stationary state recognition accuracy in the prior art. The method comprises: an inertial navigation system obtaining first operation dat...  
WO/2018/096120A1
A method for calibrating a sensor (1) for measuring a distance (9) between the sensor (1) and a surface (2) comprising at least the following method steps: a) providing a first calibration curve (12) as a function of the distance (9) bet...  
WO/2018/076725A1
An automatic calibration method of an angle sensor for an automatic drive control system of a farm machine, comprising the following steps: step S1, fixing a steering wheel of a farm machine to keep the front wheels of a vehicle at a fix...  
WO/2018/069191A1
The invention relates to a method for aligning an inertial navigation system borne by a static or quasi-static carrier, wherein: a plurality of alignment processes that are dimensioned for a plurality of amplitudes of movements of the ca...  
WO/2018/069755A1
A fingerprint sensing device includes a substrate; a plurality of pixels arranged in a grid of rows and columns, each pixel having an active thermal sensing element therein; a first metal layer forming first addressing lines for addressi...  
WO/2018/058881A1
A method for an automatic correction of an attitude measurement device (23), said method comprising an emitting module (1), a receiving module (2) and a processing module (3). The receiving module (2) comprises the attitude measurement d...  
WO/2018/058882A1
A method for an automatic correction of an attitude measurement device (23), said method comprising an emitting module (1), a receiving module (2) and a processing module (3). The receiving module (2) comprises the attitude measurement d...  
WO/2018/054063A1
Provided are a virtual reality device-based angle-data compensation method and device. The method comprises: acquiring an angular velocity component collected by a gyroscope, and acquiring, according to the angular velocity component, a ...  
WO/2018/053969A1
The present invention relates to an azimuth calibration method and apparatus. The method comprises: obtaining information about an azimuth to be calibrated of a first device, and sending a calibration request to a second device; the seco...  
WO/2018/057304A1
Techniques provided herein are directed toward resolving a direction of travel of a mobile device based on MEMS sensor data by identifying a type of motion the mobile device is subject to and offsetting vertical acceleration data with ho...  
WO/2018/048497A1
Techniques provided herein are directed toward adjusting the rate at which a mobile device's barometric pressure sensor takes measurements, based on whether movement is detected from motion sensors, such as accelerometers, gyroscopes, an...  
WO/2018/048710A1
Calibrating an unstable sensor of a mobile device. Systems and methods for calibrating a sensor of a mobile device determine a first estimated position of the mobile device without using any measurement from the sensor of the mobile devi...  
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...  
WO/2018/042200A3
There is disclosed a method of calibrating the output of one or more sensors of an inertial measurement unit, the inertial measurement unit being at least a part of a portable module, the method comprising docking the portable module to ...  
WO/2018/042200A2
There is disclosed a method of calibrating the output of one or more sensors of an inertial measurement unit, the inertial measurement unit being at least a part of a portable module, the method comprising docking the portable module to ...  
WO/2018/023169A1
Elevation monitoring apparatus includes an enclosed base reference station (10) a 2000m long, elongate housing (11) extends along the length of a traverse. A pair of conduits (12, 13) are filled with air (14) and water (15) respectively ...  
WO/2018/025115A2
A method and a system for calibrating an inertial measurement unit (IMU) via images of a calibration target are provided herein. The method may include: measuring parameters via an IMU; capturing a plurality of calibration images of a sc...  
WO/2018/018133A1
Raw dead reckoning data is obtained from an inertial measurement unit (IMU) worn by a user. Drift in the raw data is compensated for by detecting a gait of the user and phase of that gait, and constraining the position of the IMU to lie ...  
WO/2018/014449A1
A method and device for improving the performance of a relative-position sensor, and a computer storage medium, which are applied to a measurement device, wherein the measurement device is used for measuring a relative position between a...  
WO/2017/220900A1
The invention relates to a method for compensating for disruptive couples for a movement simulator, said simulator including, for each axis, a monovariable correcting unit Corr(q'1) that receives a signal giving the difference between th...  
WO/2017/220600A2
The invention relates to a method for calibrating an image-capturing sensor consisting of at least one sensor camera, using a time-coded patterned target, said time-coded patterned target being displayed on a flat-screen display. A seque...  
WO/2017/220600A3
The invention relates to a method for calibrating an image-capturing sensor consisting of at least one sensor camera, using a time-coded patterned target, said time-coded patterned target being displayed on a flat-screen display. A seque...  
WO/2017/189361A1
Systems and methods are described for detecting miscalibration or other error in vehicular sensors. In an exemplary embodiment, different sensors on a vehicle are used to generate different values of a parameter (such as a location of an...  
WO/2017/167717A1
The invention relates to a device for measuring rotation (2) including an NMR gyroscope (4) having a sensing axis, a computer (8), a generating member (18) configured to generate a magnetic field directed along the sensing axis, and a ME...  
WO/2017/167525A1
In a levelling apparatus having a housing and a light generation unit which is arranged in the housing, is mounted in an oscillating manner relative to the housing and has at least one light source, to which at least one first lens (330)...  
WO/2017/163108A1
The present invention relates to a system for tracking and it and inanimate objects in real time, characterised in that it comprises an inertial-measurement acquisition system and an autonomous calibration system. The present invention a...  
WO/2017/162463A1
System for finding at least one mobile trolley in a locale, the system comprising at least one communication beacon which has a range covering the locale and which is connected to a computer control unit, and at least one electronic modu...  
WO/2017/138759A1
The present invention relates to a method for calibration of a gyro sensor which controls the attitude of a device such as an antenna by detecting acceleration with respect to three axis directions and, more particularly, to a method for...  
WO/2017/131868A1
A wide angle video camera system is provided which eliminates barrel distortion and increases the field of view by combining multiple images, image distortion may be corrected through use of a jig to determine the field of view and disto...  
WO/2017/127912A1
A GNSS/INS navigation system includes an INS filter that uses relative yaw values as an observable for attitude updates. The system calculates the relative yaw values based on carrier phase measurements, e.g., phase windup measurements, ...  
WO/2017/121904A1
The invention relates to a device for maintaining the attitude of a carrier, the device comprising three primary gyroscopes (1, 2, 3) that are arranged to measure primary speeds of rotation (Rbc) of a carrier about three primary axes, a ...  
WO/2017/121579A1
The invention relates to a method and device for automatically calibrating a measuring sensor (9) of a driven axle (7) of a rail vehicle (1). In the method according to the invention, at least one measured value of the diameter, radius o...  
WO/2017/118502A3
The invention relates to a method and a corresponding arrangement for the calibration of the position or of the sensor system of mobile objects in buildings, wherein a position information or a reference thereto is emitted by a radio-bas...  
WO/2017/118502A2
The invention relates to a method and a corresponding arrangement for the calibration of the position or of the sensor system of mobile objects in buildings, wherein a position information or a reference thereto is emitted by a radio-bas...  
WO/2017/113381A1
A method for determining a calibration parameter and a mobile device. The method is applied to a mobile device comprising a sensor to be calibrated, is used for increasing a correlation between the calibration parameter and the temperatu...  
WO/2017/098450A1
A gyroscope is driven at a drive frequency and senses a Coriolis force caused by rotation of the gyroscope. The response of the gyroscope to a given Coriolis force may change due to changes in the gyroscope over time. A plurality of test...  
WO/2017/097905A1
The invention relates to a method and a device for high-precision position determining of a mobile device (12, 40) by means of wireless communication, in particular near-field communication (NFC), wherein a wireless communication is esta...  
WO/2017/093091A1
A method for checking and/or calibrating a vertical axis of a rotary laser level (11) which projects a first laser beam (22) that can rotate about an axis of rotation (21) and a second, stationary laser beam (23), using a laser receiver ...  
WO/2017/093089A1
The invention relates to a method for checking and/or calibrating a first or second horizontal axis of a rotation laser (11), which emits a laser beam (22) rotating about an axis of rotation, with the aid of a laser receiver (12). The ro...  
WO/2017/093088A1
A method for checking a rotary laser level (11) for cone errors using a laser receiver (12), the rotary laser level (11) projecting a laser beam (22) which can rotate in a horizontal plane about an axis of rotation (21), and the horizont...  
WO/2017/092181A1
A combined initial alignment system and alignment method for a strapdown inertial navigation system of an underground coal mining machine. The system comprises a strapdown inertial navigation system (4) installed on a coal mining machine...  
WO/2017/081166A1
The present invention concerns a method for detecting parasitic movements during static alignment of an inertial measurement unit (3), the method being characterised by steps of: receiving radio navigation measurements acquired (100) by ...  
WO/2017/078471A1
An apparatus according to various embodiments may comprise: an electronic device; and a frame including at least one vertical groove for disposing the electronic device in the vertical direction, wherein the electronic device provides a ...  
WO/2017/076730A3
The invention relates to a device for determining a height (h) of a vehicle chassis (50) relative to a component (60) of a wheel suspension, wherein the component (60) moves in the event of a change of height (h). The device comprises at...  
WO/2017/075400A1
Example methods and apparatus to correct remote sensor signals are disclosed. An example apparatus includes a sensor to generate a signal and a first memory to store calibration data associated with the sensor. The example apparatus also...  
WO/2017/069708A1
The present disclosure describes calibration methods for optoelectronic modules with active illumination, such as 3D ranging systems. Calibration methods include determining cross- talk calibration parameters for an optoelectronic module...  
WO/2017/063388A1
A method for initial alignment of an inertial navigation apparatus, comprising the following steps: providing a device loaded with a sensor, and performing preprocessing on the sensor; performing relative alignment, to obtain the mountin...  

Matches 1 - 50 out of 726