Patent · US Active

Wireless power transmitter and wireless power transfer method thereof

US9461479B2 · kind B2 · utility

4Cited by
0References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 23, 2014
Grant dateOct 4, 2016
Priority date
Expiry dateNov 6, 2034

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02J7/00034
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A wireless power transmitter including a power supply unit configured to supply an input voltage; a power conversion unit configured to generate wireless power based on a driving signal, generated by the supplied input voltage and a first pulse width modulation (PWM) signal, and transfer the wireless power to a wireless power receiver; and a power transmission control unit configured to receive a voltage value of a battery charged with the wireless power through a wireless network, and generate the first PWM signal based on the voltage value of the battery.

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