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Display brightness control method and apparatus for conserving battery power

  • US 20030193472A1
  • Filed: 05/15/2003
  • Published: 10/16/2003
  • Est. Priority Date: 10/28/1999
  • Status: Active Grant
First Claim
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1. A method for conserving battery power in a portable computer, said computer being of the type operable on power supplied by a battery power source and an external power source, comprising the step of reducing display brightness gradually according to a rate limiting function so as to be substantially undetectable to a user when battery operation is selected.

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