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Multi-clarity lenses

  • US 7,281,811 B2
  • Filed: 03/31/2005
  • Issued: 10/16/2007
  • Est. Priority Date: 03/31/2005
  • Status: Expired due to Fees
First Claim
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1. A diffuser, comprising:

  • a housing assembly having a compartment for receiving a container having an active material therein;

    a heating device disposed within the housing assembly;

    an electrical connection to transmit electricity to the diffuser;

    a light source comprising a light-emitting diode;

    a first lens to project light emitted from the light source;

    a second lens to diffuse light emitted from the light source; and

    a third lens disposed between the light source and the second lens to further diffuse light emitted from the light source.

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