Vehicular rearview mirror system

A vehicular rearview mirror system suitable for use in a vehicle, comprising:

• an interior rearview mirror system comprising an interior electrochromic reflective element, said interior reflective element assuming an interior mirror electrochromic reflective element partial reflectance level in response to an interior mirror electrochromic reflective element drive signal;
• a housing for said interior mirror electrochromic reflective element;
• a circuit board;
• a digital electrochromic drive circuit, said drive circuit supplying a drive signal to said interior mirror electrochromic reflective element;
• a garage door opener, said garage door opener including a transmitter and a logic circuit, said logic circuit supplying signals to said transmitter for transmitting garage door opening signals;
• said circuit board including a microcontroller, said microcontroller shared, at least in part, by said electrochromic drive circuit and said logic circuit;
• a vehicle network;
• at least one of:
• a) a driver-side exterior mirror assembly that includes a driver-side exterior mirror electrochromic reflective element that assumes a driver-side partial reflectance level in response to a driver-side exterior mirror electrochromic reflective element drive signal and wherein said microcontroller controls said driver-side partial reflectance level of said driver-side mirror assembly over said network, and b) a passenger-side exterior mirror assembly that includes a passenger-side exterior mirror electrochromic reflective element that assumes a passenger-side partial reflectance level in response to a passenger-side exterior mirror electrochromic reflective element drive signal, and wherein said microcontroller controls said passenger-side partial reflectance level of said passenger-side mirror assembly over said network;
• and
• wherein said microcontroller receives an input from a light sensor, said light sensor comprising one of a photodiode and a phototransistor.

A vehicular rearview mirror system suitable for use in a vehicle, comprising:

• an interior rearview mirror system comprising an interior electrochromic reflective element, said interior reflective element assuming an interior mirror electrochromic reflective element partial reflectance level in response to an interior mirror electrochromic reflective element drive signal;
• a housing for said interior mirror electrochromic reflective element;
• a circuit board;
• a digital electrochromic drive circuit, said drive circuit supplying a drive signal to said interior mirror electrochromic reflective element;
• a garage door opener, said garage door opener including a transmitter and a logic circuit, said logic circuit supplying signals to said transmitter for transmitting garage door opening signals;
• said circuit board including a microcontroller, said microcontroller shared, at least in part, by said electrochromic drive circuit and said logic circuit;
• at least one of:
• a) a driver-side exterior mirror assembly that includes a driver-side exterior mirror electrochromic reflective element that assumes a driver-side partial reflectance level in response to a driver-side exterior mirror electrochromic reflective element drive signal and wherein said microcontroller controls said driver-side partial reflectance level of said driver-side mirror assembly, and b) a passenger-side exterior mirror assembly that includes a passenger-side exterior mirror electrochromic reflective element that assumes a passenger-side partial reflectance level in response to a passenger-side exterior mirror electrochromic reflective element drive signal, and wherein said microcontroller controls said passenger-side partial reflectance level of said passenger-side mirror assembly;
• and
• wherein said interior mirror system comprises a forward-facing camera, said forward-facing camera at least partially controlled by said microcontroller.

A vehicular rearview mirror system suitable for use in a vehicle, comprising:

• an interior rearview mirror system comprising an interior electrochromic reflective element, said interior reflective element assuming an interior mirror electrochromic reflective element partial reflectance level in response to an interior mirror electrochromic reflective element drive signal;
• a housing for said interior mirror electrochromic reflective element;
• a circuit board;
• a digital electrochromic drive circuit, said drive circuit supplying a drive signal to said interior mirror electrochromic reflective element;
• a garage door opener, said garage door opener including a transmitter and a logic circuit, said logic circuit supplying signals to said transmitter for transmitting garage door opening signals;
• said circuit board including a microcontroller, said microcontroller shared, at least in part, by said electrochromic drive circuit and said logic circuit;
• said microcontroller comprising a microprocessor;
• and
• wherein said microcontroller controls at least one other vehicle function and wherein said at least one other vehicle function comprises a telematics function.