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Liquid-activated lighted ice cube

  • US 7,049,766 B2
  • Filed: 11/24/2003
  • Issued: 05/23/2006
  • Est. Priority Date: 11/22/2002
  • Status: Active Grant
First Claim
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1. A liquid-activated lighted artificial ice cube, comprising:

  • a hollow body;

    a pair of electrodes exposed on the exterior of said hollow body;

    an electronic circuit disposed within said hollow body, said circuit including a battery, an LED, an active circuit element controlling current between said battery and said LED, an electronic switch responsive to current flowing through a conductive liquid path between said electrodes for controlling current between said battery and said active circuit element, said electronic switch being connected to said pair of electrodes;

    wherein said electronic switch disconnects said active circuit element from said battery in the absence of a conductive liquid path between said electrodes and thereby deenergizes the entire circuit.

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