#G01C17/38

Electronic device, calibration method and program

The present disclosure provides an electronic device, a calibration method, and a program, which can suppress the power consumed by calibration of a geomagnetic sensor while maintaining high convenien…

DRIVE·Jun 16·1 min read

G01C17/38 CASIO COMPUTER CO., LTD.

MITIGATING SYSTEMATIC ERROR IN GYROCOMPASSING

The present invention relates to a MEMS gyrocompass, a method performed by the MEMS gyrocompass and a computer program product. The MEMS gyrocompass mitigates systematic error in determination of a no…

DRIVE·Feb 25·2 min read

G01C17/38 MURATA MANUFACTURING CO [JP]

HEADING AND ATTITUDE CORRECTION METHOD AND HEADING AND ATTITUDE CORRECTION SYSTEM

A heading and attitude correction method and a heading and attitude correction system (100) are provided. The method includes: obtaining attitude data in a period of time; performing a linear regressi…

DRIVE·Aug 13·2 min read

G01C17/38 AUDEN TECHNO CORP [TW]

HANDS-FREE PEDESTRIAN NAVIGATION SYSTEM AND METHOD

A hands-free pedestrian navigation method includes mounting on a user's head (i) a display for projecting a visual image in front of the user's gaze, and (ii) an IMU, obtaining from a GPS unit carried…

DRIVE·Feb 26·1 min read

G01C17/38 VEERIDE GEO LTD [IL]

CALIBRATION METHOD FOR ELECTRONIC COMPASS, ELECTRONIC DEVICE AND MEDIUM

A calibration method for an electronic compass includes: acquiring an initial sphere center coordinate of a current calibration; acquiring a preset number of magnetic field data collected by a magneti…

DRIVE·Jan 9·1 min read

G01C17/38 BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.

Magnetic Sensor Calibration Using VIO System

The disclosure describes a method for calibrating a magnetic sensor of a client device. The method may include receiving a set of magnetic field measurements, each of which includes a device location,…

DRIVE·Oct 10·2 min read

G01C17/38 Niantic International Technology Limited

SYSTEMS AND METHODS FOR CALIBRATING UNSTABLE SENSORS

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 measureme…

DRIVE·Apr 11·1 min read

G01C17/38 NextNav, LLC

SYSTEM AND METHOD FOR DETERMINING GEOGRAPHIC LOCATION OF A DEVICE

The present disclosure is directed towards a system for determining a geographic location of device. The system includes at least one antenna and a controller. The at least one antenna is configured t…

DRIVE·Apr 3·2 min read

G01C17/38 SRIVASTAVA ANKUR [IN]

Calibrating A Pressure Sensor

Calibrating a pressure sensor of a mobile device includes determining a first plurality of calibration values for a first plurality of visits to a first revisit zone to which a mobile device repeatedl…

DRIVE·Nov 30·1 min read

G01C17/38 NextNav, LLC

AUTOMATIC AND AUTONOMOUS CALIBRATION TRANSFER BETWEEN TWO DEVICES

A system (100) and corresponding method for calibrating a compass (109) of a flight controller (101) of an unmanned aerial vehicle (200) to local Earth magnetic field without moving said flight contro…

DRIVE·Nov 22·1 min read

G01C17/38 UPTEKO APS [DK]

METHOD OF MEASUREMENT NEAR-BIT MAGNETIC COMPASS READING INTERFERENCE FROM A DOWNHOLE COMPONENT

A drilling system includes a method of determining an orientation of a drill string in a borehole. Sensor readings of a magnetic field of a drill bit are obtained at a plurality of positions along a c…

DRIVE·Oct 26·2 min read

G01C17/38 Baker Hughes Oilfield Operations LLC

ELECTRONIC DEVICE AND OPERATION METHOD THEREOF

An electronic device includes sensors, a display, and a processor electrically connected to the sensors and the display, in which the electronic device is in a first running mode for permanently provi…

DRIVE·Feb 16·1 min read

G01C17/38 SAMSUNG ELECTRONICS CO., LTD.

Calibrating A Pressure Sensor

Calibrating a pressure sensor of a mobile device incudes determining an absolute calibration value used to calibrate pressure measurements by a pressure sensor of a mobile device; determining a first …

DRIVE·May 5·1 min read

G01C17/38 NextNav, LLC

SYSTEMS AND METHODS FOR CALIBRATING UNSTABLE SENSORS

DRIVE·Mar 31·1 min read

G01C17/38 NextNav, LLC

SYSTEM AND METHOD FOR MANAGING THE DISPLAY OF AN AERONAUTICAL CHART

Methods and systems for managing the orientation of the display of an aeronautical chart, notably towards Magnetic North or True North are provided. Rotational and/or translational tactile movements m…

DRIVE·Dec 30·1 min read

G01C17/38 THALES

NAVIGATION INSTRUMENT WITH TILT COMPENSATION AND ASSOCIATED METHOD

A navigation instrument including an orientation angle calculation unit, in particular the first and second orientation angles, wherein the orientation angle calculation unit is configured to be able …

DRIVE·Dec 23·1 min read

G01C17/38 ETA SA MANUFACTURE HORLOGÈRE SUISSE

Calibration of a Magnetometer in a Towed Object Telemetry Unit Based on Turn Data

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 ma…

DRIVE·Sep 2·1 min read

G01C17/38 PGS Geophysical AS

COMPASS DEVICE

A compass device includes a base seat, a vial unit received in an accommodation hole of the base seat, an azimuth unit rotatably sleeved around the vial unit, a first spring wire disposed to resilient…

DRIVE·Feb 25·1 min read

G01C17/38 CHUAN CHING MECHANICAL INDUSTRIAL CO., LTD.

Magnetic field compensation method, associated device and computer program

A compensation method for a magnetic field on board a vehicle including the steps carried out by computer and consisting of: for each measuring time T, i=1 to N with N>1, collecting the measured value…

DRIVE·Mar 14·1 min read

G01C17/38 THALES

OFFSET ESTIMATION DEVICE, OFFSET ESTIMATION METHOD, OFFSET ESTIMATION PROGRAM AND INFORMATION PROCESSING DEVICE

An offset estimation device (40) includes a rotation axis calculation part and an offset estimation part. The rotation axis calculation part is configured to: obtain multiple sets of magnetic data det…

DRIVE·Dec 31·1 min read

G01C17/38 ASAHI CHEMICAL IND [JP]

Method of calibrating a heading reference system

A method of calibrating a vehicle's heading system, such as the attitude heading and reference system of an aircraft or the heading system of a ship, positioned along the Earth's surface involves obta…

DRIVE·Sep 17·1 min read

G01C17/38 INNOVATIVE SOLUTIONS AND SUPPORT INC [US]

Magnetic interference indication method in an electronic device

A method of indicating an interference magnetic field at an electronic device (100) includes: displaying a first arrow (206) indicating a direction of magnetic north on a display (112) of the electron…

DRIVE·May 14·1 min read

G01C17/38 BLACKBERRY LTD [CA]

Stabilizing Orientation Values Of An Electronic Device

Disclosed are methods and systems for stabilizing orientation values of an electronic device, the orientation values representing an orientation of the electronic device, the method comprising: obtain…

DRIVE·Mar 5·1 min read

G01C17/38 BLACKBERRY LTD [CA]

Method for correcting orientation of magnetometer and magnetometer

The embodiments of the present invention disclose a method for correcting an orientation of a magnetometer and a magnetometer, and relate to the field of positioning technologies and solve the problem…

DRIVE·Jan 29·2 min read

G01C17/38 HUAWEI DEVICE CO LTD [CN]

Multiple truth reference system and method

A system comprises a plurality of reference navigation systems, each reference navigation system configured to generate a respective reference navigation solution. The system also comprises a test nav…

DRIVE·Jan 15·1 min read

G01C17/38 HONEYWELL INT INC [US]

METHOD AND SYSTEM FOR COMPENSATING FOR SOFT-IRON MAGNETIC DISTURBANCES IN A HEADING REFERENCE SYSTEM

A method and system for compensating for significant soft iron magnetic disturbances in a heading reference system, such as an aircraft heading reference system, such as an integrated standby unit; or…

DRIVE·Dec 25·2 min read

G01C17/38 INNOVATIVE SOLUTIONS & SUPPORT [US]

Determining and Correcting Error of Positional Vector-Valued Sensors Using a Fixed Angle Calibration Process

Systems and methods described herein relate to the correction of positional vector-valued sensors using a variety of calibration processes including fixed-angle calibration, known-angle calibration, o…

DRIVE·Dec 19·1 min read

G01C17/38 YEI Corporation

System and method for determining a magnetic field using a mobile device

A method and system are provided for determining a magnetic field using a mobile device. The method includes determining location information of the mobile device, obtaining magnetic field data based …

DRIVE·Nov 27·1 min read

G01C17/38 BLACKBERRY LTD [CA]

Systems and methods for landmark selection for navigation

Systems and methods are provided for selecting landmarks for navigation. In one embodiment, a system comprises an IMU that provides inertial measurements for a vehicle and at least one image sensor th…

DRIVE·Nov 13·2 min read

G01C17/38 HONEYWELL INT INC [US]

GEOMAGNETIC DEVICE

A geomagnetic application device comprising a triaxial magnetic sensor, a measurement point acquiring means, a calibration means for calibrating offset of the magnetic sensor, and an azimuth calculati…

DRIVE·Nov 6·1 min read

G01C17/38 AICHI MICRO INTELLIGENT CORP [JP]

PORTABLE TERMINAL WITH ELECTRONIC COMPASS AND DIRECTION CALCULATION METHOD

A mobile terminal with electronic compass is provided with a first housing that houses a geomagnetic sensor, a second housing connected to the first housing, with relative position thereto being varia…

DRIVE·Oct 2·2 min read

G01C17/38 NEC CASIO MOBILE COMM LTD [JP]

Methods and devices for detecting magnetic interference affecting the operation of a magnetometer

Methods and apparatus employing non-magnetometer navigational sensor data to assist in determining whether a change in a magnetic field detected by a magnetometer is likely due to a source of internal…

DRIVE·Aug 7·1 min read

G01C17/38 RESEARCH IN MOTION LTD [CA]

Method for calibration of a sensor unit and accessory comprising the same

Method, means, portable terminal accessory and system for calibrating a sensor device comprising a positioning unit detecting the position of the electronic device, an image capturing unit capturing a…

DRIVE·Jun 5·1 min read

G01C17/38 SONY ERICSSON MOBILE COMM AB [SE]

SYSTEM AND METHOD FOR CALIBRATING SENSORS IN CONSUMER ELECTRONIC DEVICES BY COUPLING TO A BASE UNIT

A base unit (10) includes a sensor calibration function (36). When a user communicatively couples a consumer electronic device (50; 90) having a sensor (62, 92) to the base unit (10), a controller (24…

DRIVE·May 8·1 min read

G01C17/38 SONY MOBILE COMM AB [SE]

Method for identifying faulty measurement axes of a triaxial sensor

The method involves using a triaxis sensor that is fixed to a mobile object i.e. catheter, and measuring a vector that gives direction of field of physical quantity at a measurement point in a mobile …

DRIVE·Apr 17·1 min read

G01C17/38 COMMISSARIAT ENERGIE ATOMIQUE [FR]

Soft iron effect offset correction in geomagnetism measurement apparatus

In a geomagnetism measurement apparatus, a magnetic sensor detects magnetic data, and a storage unit stores the magnetic data sequentially output from the magnetic sensor. An ellipsoid generation unit…

DRIVE·Mar 13·1 min read

G01C17/38 YAMAHA CORP [JP]

Physical amount measuring device and physical amount measuring method

Even if a measurement data group is not a measurement data group that is obtained in a space where the magnitude of a vector physical quantity to be measured is uniform, an offset with high reliabilit…

DRIVE·Jan 9·2 min read

G01C17/38 ASAHI KASEI EMD CORP [JP]

System and Method for Obtaining Magnetometer Readings for Performing a Magnetometer Calibration

A system and method of obtaining magnetometer readings for performing a magnetometer calibration are provided. The method comprises detecting initiation of a magnetometer calibration; displaying a plu…

DRIVE·Dec 5·1 min read

G01C17/38 RESEARCH IN MOTION LTD [CA]

Method and system for a self-calibrated multi-magnetometer platform

A multi-magnetometer device comprises at least two z-axis aligned and physically rotated magnetometer triads utilized for measuring corresponding earth's magnetic field. The magnetic field measurement…

DRIVE·Sep 26·1 min read

G01C17/38 BROADCOM CORP [US]

Geomagnetic field measurement device, offset determination method, and computer readable recording medium therefor

A geomagnetic field measurement device has a three-dimensional magnetic sensor and a storage device that stores plural pieces of magnetic data sequentially output from the three-dimensional magnetic s…

DRIVE·Sep 26·1 min read

G01C17/38 YAMAHA CORP [JP]