The electronic compass device for a vehicle is installed in an attachment position of a rearview mirror inside a vehicle interior, and is connected to a coupling body disposed on a windshield of a vehicle in parallel with a centerline of the vehicle. Then, the electronic compass device for a vehicle displays a compass calibration screen in accordance with a signal received from the portable electronic compass calibration device. The portable electronic compass calibration device creates calibration information by using the acquired image of the compass calibration screen and the coupling body, and the bearing of the electronic compass at the time of acquiring the image so as to transmit the created calibration information to the electronic compass device for a vehicle. The electronic compass device for a vehicle calibrates the bearing in the traveling direction of the vehicle based on the received calibration information.
ELECTRONIC COMPASS DEVICE FOR VEHICLE, PORTABLE ELECTRONIC COMPASS CALIBRATION DEVICE, CONTROL PROGRAM FOR PORTABLE ELECTRONIC COMPASS CALIBRATION DEVICE, AND ELECTRONIC COMPASS CALIBRATION SYSTEM FOR VEHICLE
2017-05-18
Patent
Electronic Resource
English
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen |
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