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Inductive power source for peripheral devices

  • US 7,180,503 B2
  • Filed: 12/04/2001
  • Issued: 02/20/2007
  • Est. Priority Date: 12/04/2001
  • Status: Expired due to Fees
First Claim
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1. A system for inductively transferring electrical power to a computer peripheral device during normal operation of the peripheral device, comprising:

  • a base unit including;

    a source loop solenoid having an axis substantially perpendicular to a planar surface of the base unit to generate a magnetic field,a loop power circuit to provide a signal to drive the source loop, anda power source coupler structured to provide power to the loop power circuit when the power source coupler is coupled to a power source; and

    the peripheral device having a victim loop and structured to be inductively coupled to the base unit while the peripheral device is in operable condition;

    wherein the base unit comprises a first area and a second area, and wherein a level of magnetic permeability is higher in the first area than in the second area.

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