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Heating Pad With Temperature Control And Safety Protection Device

  • US 20110049128A1
  • Filed: 09/01/2009
  • Published: 03/03/2011
  • Est. Priority Date: 09/01/2009
  • Status: Active Grant
First Claim
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1. In a heating pad having a heating element, the improvement comprising:

  • a control circuit operatively connected to the heating element for providing a predetermined level of power thereto; and

    an isolation device operatively connecting the control circuit to a power source;

    wherein;

    the control circuit terminates power to the heating element in response to the heating element exceeding a first temperature limit; and

    the isolation device isolating the control circuit from the power source in response to the heating element exceeding a second temperature limit.

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