Patent · US Active

Method and apparatus for wireless power transfer

US9859719B2 · kind B2 · utility

0Cited by

0References

20Claims

0Family size

Assignee

NOKIA TECHNOLOGIES OY · FI

Inventors

Petri Vuori · Salo, FI
Juhani Kari · Lieto, FI
Jari Muurinen · Woodbridge Drive, FI

Key dates

Filing date	Jun 17, 2013
Grant date	Jan 2, 2018
Priority date	—
Expiry date	Feb 28, 2034

Classification

Technology area (CPC H)Electricity
CPC primaryH02J7/00045
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In accordance with an example embodiment of the present invention, an apparatus (200) comprises a wireless power transmitter (241) connectable to a power supply interface (201) and to a battery (204); power supply detection circuitry (213) configured to determine whether the power supply interface (201) is capable of powering the wireless power transmitter (241); wireless power control circuitry (220) configured to, in response to determining that the power supply interface (201) is capable of powering the wireless power transmitter (241), enable power delivery from the power supply interface (201) to the wireless power transmitter (241).

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