Contact-less power transfer

  • US 7,042,196 B2
  • Filed: 12/01/2004
  • Issued: 05/09/2006
  • Est. Priority Date: 05/13/2002
  • Status: Active Grant
  • ×
    • Pin Icon | RPX Insight
    • Pin
First Claim
Patent Images

1. A portable electrical or electronic device adapted to receive power inductively from a primary unit, the device comprising:

  • a cover element having a substantially planar portion with inner and outer surfaces, the device being adapted to be placed with said outer surface on or in proximity to such a primary unit when receiving power therefrom; and

    a power-receiving element in the form of a thin sheet, comprising a coil arranged in close proximity to said inner surface of said cover element and having a central axis extending generally parallel to a plane of said planar portion, for receiving power inductively from the primary unit when the device is so placed on or in proximity to the primary unit.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×