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Intelligent adapter

  • US 7,126,241 B2
  • Filed: 01/23/2002
  • Issued: 10/24/2006
  • Est. Priority Date: 08/01/2001
  • Status: Active Grant
First Claim
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1. An AC/DC or DC/DC adapter for providing DC power via at least one power line to a portable electronic device, said adapter comprising circuitry capable of generating an identification signal proportional to a maximum adapter current available from said adapter, said circuitry is further capable of changing said identification signal in response to changes in available adapter current.

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