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Rear-view mirror for vehicles

  • US 7,320,525 B2
  • Filed: 08/05/2004
  • Issued: 01/22/2008
  • Est. Priority Date: 08/21/2003
  • Status: Active Grant
First Claim
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1. A rearview mirror for reflecting ambient light, said rearview mirror comprising:

  • a housing including a frame defining an opening;

    an electrochromic mirror glass fixedly secured to said frame within said opening of said housing;

    a sensor fixedly secured to said housing for sensing ambient light and glare light directed toward said rearview mirror;

    a light guide disposed between said housing and said sensor for directing the ambient light and glare light outside said housing toward said sensor; and

    a switching device for periodically disrupting the transmission of the light to identify a presence of the glare light, such that said sensor creates a dimming signal upon the identification of the presence of the glare light to dim said electrochromic mirror.

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