Systems, methods and apparatuses for guidance and alignment in electric vehicles wireless inductive charging systems
US11394253B2 · kind B2 · utility
2Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 2019 |
| Grant date | Jul 19, 2022 |
| Priority date | — |
| Expiry date | Jun 1, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/14
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for determining a relative position of a wireless power transmitter from a wireless power receiver is provided. The apparatus comprises a plurality of sense coils, each configured to generate a respective signal under influence of an alternating magnetic field comprising a plurality of wave pulses, each wave pulse occurring in a respective time slot of a plurality of time slots. The apparatus further comprises a processor configured to determine the relative position of the wireless power transmitter from the wireless power receiver based on the respective signal from each of the plurality of sense coils.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.