Abstract: A light-responsive control device of an electrochromic rearview mirror system is disclosed. The light-responsive control device includes a downward ambient light sensor and a, discriminating circuit for generating a first and a second reference levels provided for daytime and nighttime glaring determination, respectively. By providing a photo-sensor for each rearview mirror, and individually comparing the outputs of the photo-sensors with the first or the second reference level, the color-change degrees of different rearview mirrors can be individually controlled. By providing a variable resistor for the drive circuit, the initial reflection rate of the rearview mirror can be adjusted optionally.

Abstract: A light-responsive controlling device for automatically controlling a headlamp and/or a sunshade curtain is disclosed. The control device includes a photo-sensor mounted on a vehicle for generating a sensing signal in response to the intensity of an environmental light, a discriminating circuit electrically connected to the photo-sensor for optionally generating a triggering signal according to a comparing result of the sensing signal with a reference signal, a hold circuit electrically connected to the discriminating circuit for outputting a confirming signal in response to the triggering signal uninterrupted for a predetermined period, and a drive circuit electrically connected to the hold circuit and a headlamp or a sunshade curtain of the vehicle for providing a drive current in response to the confirming signal for the headlamp to emit a certain level of light or for the sunshade curtain to perform opening/closing operations.

Abstract: A control method for automatically adjusting a view angle of a rearview mirror or a CCD camera of a turning vehicle is disclosed. The method includes steps of receiving an output of a navigation system; determining a turning level of the vehicle according to the output of the navigation system; and triggering the rearview mirror or the CCD camera to move to an extent corresponding to the turning level of the vehicle. A control device for automatically adjusting a view angle of a rearview mirror or a CCD camera of a turning vehicle in response to the output of an electronic compass or a global positioning system (GPS) is also disclosed.