Patent · US Expired

Inductive power adapter

US7378817B2 · kind B2 · utility

1,090Cited by
15References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 12, 2003
Grant dateMay 27, 2008
Priority date
Expiry dateJan 15, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02J50/80
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An inductive power systems transfers energy by inductively coupling a source coil on a power source to a receiver coil on a power portion of a power adapter. The source current is received in the power adapter and converted to direct current for transmission to a computer system. Wireless communication between a power source and the power adapter is provided. A wireless communication arrangement provides for authentication of devices that are allowed by a source to be powered.

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