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Method for displaying battery charge levels of multiple apparatuses

  • US 7,602,148 B2
  • Filed: 12/28/2006
  • Issued: 10/13/2009
  • Est. Priority Date: 12/29/2005
  • Status: Active Grant
First Claim
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1. A method for displaying battery charge levels, the method comprising:

  • receiving via wireless communication by a master apparatus from a slave apparatus a charge level signal indicative of a level of charge of a battery in the slave apparatus, the battery in the slave apparatus serving as an energy supply for the slave apparatus;

    displaying by the master apparatus a slave charge level information indicative of the level of charge of the battery of the slave apparatus; and

    displaying by the master apparatus a master charge level information indicative of a level of charge of a battery in the master apparatus, the battery in the master apparatus serving as an energy supply to the master apparatus.

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