Patent · US Active

Wireless charging efficiency

US11171522B2 · kind B2 · utility

0Cited by

10References

20Claims

0Family size

Assignee

Google LLC · US

Inventors

Liang Jia · San Mateo, US
Qi Tian · Helotes, US
Liyu Yang · San Jose, US
Veera Venkata Siva Nagesh Polu · Sunnyvale, US
Srikanth Lakshmikanthan · Milpitas, US
Rahul Apte · San Francisco, US
Jae-Won Hwang · Menlo Park, US
Srenik Mehta · San Francisco, US

Key dates

Filing date	Apr 24, 2019
Grant date	Nov 9, 2021
Priority date	—
Expiry date	Jan 1, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH02J50/90
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for improving wireless charging. In some implementations, an electronic device determines a power demand of the electronic device. The electronic device includes a wireless power receiver including a wireless power receiving coil configured to receive power through inductive coupling with a wireless charge. The electronic device determines an operating voltage or operating frequency for the wireless charger based on the power demand of the electronic device. The electronic device sends, to the wireless charger, data indicating the operating voltage or operating frequency for the wireless charger.

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