System, method and apparatus for contact-less battery charging with dynamic control

  • US 6,844,702 B2
  • Filed: 05/16/2002
  • Issued: 01/18/2005
  • Est. Priority Date: 05/16/2002
  • Status: Expired due to Fees
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First Claim
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1. A method of contact-less charging of a portable device'"'"'s battery from an external host, comprising:

  • generating power in the host via a power converter;

    electrically coupling the host to the portable device in a contact-less manner; and

    dynamically controlling power generation in the host from the portable device, where the controlling of power generation is accomplished via charging controller in the portable device, and where switches of the power converter are capacitively coupled to the charging controller.

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