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Power transmitter device for inductively providing power to a mobile device

  • US 9,847,651 B2
  • Filed: 11/07/2012
  • Issued: 12/19/2017
  • Est. Priority Date: 11/30/2011
  • Status: Active Grant
First Claim
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1. An inductive power transmitter device for inductively providing power to a mobile device, comprising:

  • a holder having a cavity defined by two walls with facing surfaces, the cavity being configured for receiving the mobile device between the facing surfaces; and

    a coil arrangement having two transmitter coil units, wherein one of the coil units is arranged into one of the walls and the other of the transmitter coil units is arranged into the other of the walls, and wherein each of the coil units is configured for inductively coupling to the receiver coil unit of the mobile device when inserted into the cavity of the holder, wherein an adjusting mechanism is provided for adjusting the distance between the facing surfaces by moving at least one of the surfaces with respect to the other in order to accommodate mobile devices of different sizes.

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