Battery-conserving flashlight and method thereof

  • US 9,239,158 B2
  • Filed: 12/15/2013
  • Issued: 01/19/2016
  • Est. Priority Date: 12/27/2011
  • Status: Active Grant
First Claim
Patent Images

1. A flashlight comprising:

  • a body including an opening for accessing an interior of the body;

    at least one battery disposed in the body and configured for powering the flashlight;

    a controller disposed in the body configured to determine if the body is in motion, wherein if the body is not in motion for a first predetermined period of time, the controller decouples the at least one battery from the flashlight to conserve energy in the at least one battery; and

    a visual indicator disposed on an exterior surface of the body, wherein the controller activates the visual indicator.

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