Digital electrochromic circuit with a vehicle network

  • US 6,396,408 B2
  • Filed: 03/28/2001
  • Issued: 05/28/2002
  • Est. Priority Date: 03/31/2000
  • Status: Active Grant
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First Claim
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1. A vehicular rearview mirror system, comprising:

  • a digital electrochromic mirror system, including a digital drive circuit and an electrochromic reflective element, said reflective element assuming a partial reflectance level in response to a drive signal, said drive circuit providing a drive signal to said reflective element;

    a garage door opener, including a transmitter and a logic circuit, said logic circuit supplying signals to said transmitter for transmitting garage door opening signals;

    a microcontroller defining, at least in part, said digital drive circuit and said logic circuit, wherein said digital electrochromic mirror system has components in common with said garage door opener; and

    said microcontroller communicating over a vehicle network with at least one other module performing at least one other vehicle function.

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