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POWER SENSING IN A FLASHLIGHT

  • US 20090218961A1
  • Filed: 05/12/2009
  • Published: 09/03/2009
  • Est. Priority Date: 07/13/2006
  • Status: Abandoned Application
First Claim
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1. A flashlight comprising:

  • a body for receiving a battery, the body having a longitudinal axis and a head and a tail;

    the head having a light emitting source;

    a circuit for operation to signal that battery voltage is at a selected voltage or power level by detecting a rate of drop of voltage or power exceeds a normal drop rate prior to the voltage or power being close to a low voltage or power level; and

    at least one switch, the switch acting relative to the body to open and close an electric circuit between the battery and the light emitting source.

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