The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 21, 2023
Filed:
Aug. 13, 2018
Audi Ag, Ingolstadt, DE;
Nicholas Schmitt, Ingolstadt, DE;
Reinhard Peer, Gaimersheim, DE;
AUDI AG, Ingolstadt, DE;
Abstract
The disclosure relates to a method for determining position information of a motor vehicle, which has an inductive charging device with at least one charging coil, which is in particular situated in the region of the bottom of the vehicle, and a measurement means which is assigned to the charging coil to measure a magnetic field, the method having the following steps: magnetizing, by supplying current to the charging coil, at least one magnetic structure which is situated in or on a surface on which the motor vehicle drives, wherein the structure and further structures are stored together with a position indication for the respective structure in a digital map; measuring, using the measurement means, measurement data which describe the magnetic behavior of the structure; identifying the structure by evaluating the measurement data; and determining the position information depending on position indication assigned to the identified structure.