Vehicle information display

  • US 7,046,448 B2
  • Filed: 01/21/2005
  • Issued: 05/16/2006
  • Est. Priority Date: 08/23/2001
  • Status: Expired due to Fees
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First Claim
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1. A rearview mirror display system for a vehicle, said system comprising:

  • a rearview mirror assembly, said rearview mirror assembly comprising a mirror casing;

    a reflective element included at said casing, said reflective element having a front and a back, said front being directed toward and viewable by a driver of the vehicle when said assembly is mounted in the vehicle;

    a projection display projecting a projection display image, said projection display positioned in said casing to the rear of said back of said reflective element, said projection display projecting said projection display image along an optic path to said back of said reflective element;

    a transmissive optic element positioned along said optic path, said transmissive optic element comprising one of a transmissive refractive optic element and a transmissive diffractive optic element, said projection display projecting said projection display image at least through said transmissive optic element and along said optic path to said back of said reflective element, the image at said back of said reflective element being an expanded image of said projection display image so as to provide an expanded image for viewing at said reflective element;

    a magnifying optic positioned along said optic path which functions to magnify said projection display image to expand the image to said expanded image at said back of said reflective element;

    said reflective element comprising a transflective reflective element; and

    wherein said expanded image is viewable by a driver of the vehicle from said front of said transflective reflective element.

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