Vehicular rearview mirror system with microcontroller

  • US 7,233,230 B2
  • Filed: 11/29/2005
  • Issued: 06/19/2007
  • Est. Priority Date: 03/31/2000
  • Status: Expired due to Fees
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First Claim
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1. A vehicular rearview mirror system suitable for use in a vehicle, said vehicular rearview mirror system comprising:

  • an interior rearview mirror system comprising an interior variable reflective element whose reflectivity level is electrically variable;

    a microcontroller;

    a drive circuit, said drive circuit supplying an interior drive signal to said interior variable reflective element and said interior variable reflective element assuming a partial reflectance level in response thereto;

    a tire pressure monitoring system, said tire pressure monitoring system including a receiver for receiving a signal indicative of vehicle tire pressure;

    wherein said microcontroller controls at least in part said drive circuit and said tire pressure monitoring system; and

    wherein said microcontroller controls at least one other vehicle function.

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