Patent · US Active

Multi-turn coil on metal backplate

US10122182B2 · kind B2 · utility

0Cited by
0References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 15, 2015
Grant dateNov 6, 2018
Priority date
Expiry dateSep 15, 2035

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M1/026
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Disclosed is a wireless power transfer apparatus that includes a case for an electronic device. The case may have an electrically conductive panel portion and side portions defined along sides of the panel portion. The case further have at least one opening formed one of the side portions. A coil configured to couple to an externally generated magnetic field may have first segments that span a width of the panel portion of the case and second segments arranged along the side portions of the case and exposed through the at least one opening.

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