Electrochromic rearview mirror incorporating a third surface partially transmissive reflector

  • US 20050007645A1
  • Filed: 07/16/2004
  • Published: 01/13/2005
  • Est. Priority Date: 05/14/1999
  • Status: Active Grant
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First Claim
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1. A rearview mirror assembly for a vehicle comprising:

  • a housing adapted to be mounted to the vehicle;

    a mirror element mounted in said housing;

    a graphic compass display positioned in said housing behind said mirror element, wherein said graphic compass display comprises;

    a plurality of substantially non-opaque regions defining a plurality of graphic compass indicia symbols, wherein said graphic compass indicia symbols include at least the letters N, E, S, and W; and

    at least four light sources positioned in said housing, each light source selectively projects light through the non-opaque region associated with a respective one of said letters and through said mirror elements; and

    a compass circuit mounted in said housing for selectively activating said light sources so as to illuminate one of said letters and display the vehicle'"'"'s current heading.

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