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Temperature responsive systems

  • US 7,607,402 B2
  • Filed: 11/20/2007
  • Issued: 10/27/2009
  • Est. Priority Date: 03/23/2001
  • Status: Active Grant
First Claim
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1. A shape memory material activated device for stimulating the senses, the device comprising:

  • a shell containing a substance;

    a shape memory material activator normally unresponsive to temperature changes thereby creating a dormant state; and

    means for deforming the activator in situ by only a single irreversible action while the activator is within a predetermined temperature range,whereby the device is transformed from a dormant state to an active state wherein the activator responds to temperature changes to create a path through the shell to deliver the substance effectively stimulating at least one of the senses.

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