Digital electrochromic mirror system

  • US 6,299,315 B2
  • Filed: 03/28/2001
  • Issued: 10/09/2001
  • Est. Priority Date: 04/02/1997
  • Status: Expired due to Fees
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First Claim
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1. A vehicular electrochromic rearview mirror system, comprising:

  • an interior electrochromic rearview mirror assembly having an interior electrochromic reflective element that assumes a partial reflectance level in response to a first drive signal applied thereto;

    at least one exterior electrochromic rearview mirror assembly having an exterior electrochromic reflective element that assumes a partial reflectance level in response to a second drive signal applied thereto; and

    a drive circuit supplying a first drive signal to said interior electrochromic reflective element and a second drive signal to said exterior electrochromic reflective element, said drive circuit variably controlling a relationship between the partial reflectance levels of said interior electrochromic reflective element and said exterior electrochromic reflective element by a control signal, whereby said interior electrochromic reflective element has a partial reflectance level that is greater than or equal to the partial reflectance level of said exterior electrochromic reflective element.

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