Charger system and method

  • US 7,812,565 B2
  • Filed: 07/01/2009
  • Issued: 10/12/2010
  • Est. Priority Date: 04/30/2003
  • Status: Active Grant
First Claim
Patent Images

1. A charger able to provide power through a Universal Serial Bus (“

  • USB”

    ) connector comprising;

    a power source interface configured to receive power;

    a power converter coupled to the power source interface, the power converter configured to use the received power to generate power output;

    a charging controller configured to control an amount of power provided at the USB connector on the power lines derived from the power output, and configured to generate an identification signal on the USB connector'"'"'s two data lines, the identification signal usable to indicate the charger is not subject to standard USB power limitations, the identification signal provided through the use of a resistance between the D+ and D−

    data lines.

View all claims

    Thank you for your feedback