ANTIGLARE DEVICE FOR VEHICLES AND METHOD OF USE SUCH DEVICE

Antiglare device for vehicles comprising a retractable sunvisor, a sun sensor and a control unit; the retractable sunvisor comprising a sunvisor screen and a movement mechanism to provide a sliding and rotating movement; the sun sensor comprising one to sixteen photosensors is a unique part; the device also comprises an acceleration sensor comprising one to three accelerometers; the control unit being connected to the movement mechanism, the sun sensor and the acceleration sensor, taking into account all the measurements of the sun sensor and the acceleration sensor. Method of use of the antiglare device that measures the sun light incident angle and intensity, calculates in the control unit of an extent of sliding and/or rotation of the sunvisor screen; the measure step also includes to measure the vehicle movement by the acceleration sensor. The device and method provide an adaptation of the position of the sunvisor at all driving conditions.