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System and method for enabling functionality based on measured power

  • US 20080250261A1
  • Filed: 04/05/2007
  • Published: 10/09/2008
  • Est. Priority Date: 04/05/2007
  • Status: Active Grant
First Claim
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1. A method comprising:

  • measuring a level of supply voltage provided to a powered device by a remote source; and

    automatically altering functionality of the powered device bydetermining if the supply voltage is greater than a voltage needed to power a first logic unit,activating the first logic unit if the supply voltage is greater than the voltage needed to power the first logic unit,determining if the supply voltage is greater than a voltage needed to power at least the first logic unit and a second logic unit, andrefraining from activating the second logic unit if the supply voltage is less than the voltage needed to power at least the first logic unit and the second logic unit.

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