Patent · US Active

Coil arrangement for generating a rotating electromagnetic field and positioning system for determining a position of an identification transmitter

US10115517B2 · kind B2 · utility

1Cited by

7References

7Claims

0Family size

Assignee

VOLKSWAGEN AKTIENGESELLSCHAFT · DE

Inventors

Bernd Ette · Wolfsburg, DE
Bernhard Holldack · Wolfsburg, DE

Key dates

Filing date	Mar 2, 2015
Grant date	Oct 30, 2018
Priority date	—
Expiry date	Feb 28, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH01Q21/24
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A coil arrangement is provided for generating a rotating electromagnetic field, comprising at least three coils, each having at least one associated coil winding. The coil arrangement further comprises a ferromagnetic coil yoke which establishes a magnetic coupling between the at least three coils.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.