Mirror assembly with heater element

  • US 7,800,019 B2
  • Filed: 10/14/2009
  • Issued: 09/21/2010
  • Est. Priority Date: 01/19/2005
  • Status: Active Grant
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First Claim
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1. A mirror reflective element system for a variable reflectance vehicular mirror, said mirror reflective element system comprising:

  • a front substrate having a first surface and a second surface, said second surface having a transparent second surface electrically conductive coating disposed thereon;

    a rear substrate having a third surface and a fourth surface, said third surface having a third surface electrically conductive coating disposed thereon;

    a first electrically conductive element at said fourth surface, said first electrically conductive element being in electrically conductive continuity with said third surface electrically conductive coating;

    a second electrically conductive element at said fourth surface, said second electrically conductive element being in electrically conductive continuity with said second surface electrically conductive coating;

    a heating element attached to said fourth surface of said rear substrate, said heating element comprising an attaching surface for attaching to said fourth surface and a rear surface opposite said attaching surface, said heating element having an electrically conductive heating element established thereat, said electrically conductive heating element generating heat to heat a portion of said heating element when powered;

    said heating element including a first electrically conductive contact element established thereat, said first electrically conductive contact element being at least partially established at said attaching surface;

    said heating element including a second electrically conductive contact element established thereat, said second electrically conductive contact element being at least partially established at said attaching surface;

    said electrically conductive heating element and said first and second electrically conductive contact elements being electrically isolated from one another;

    said first electrically conductive contact element connecting to said first electrically conductive element at said fourth surface of said rear substrate such that electrically conductive continuity is established between said first electrically conductive contact element and said first electrically conductive element when said heating element is attached to said fourth surface; and

    said second electrically conductive contact element connecting to said second electrically conductive element at said fourth surface of said rear substrate such that electrically conductive continuity is established between said second electrically conductive contact element and said second electrically conductive element when said heating element is attached to said fourth surface.

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