The interior mirror with automatic blackout is smoothly darkened at a certain stream of light. It consists of a mirror element and the electronic device with two photosensors. Work
The electronic control unit-1-via photosensors (2/3) registers light falling on a mirror in front and behind. If the stream of light is behind stronger, than in front, tension is put to conducting covering-8-. The covering is between mirror glasses (4/6).
The enclosed tension changes color of an electrolytic layer-5-. The tension is higher, the mirror is more darkened. Thereof reflection of the falling light stream decreases. 7 – serebryanootrazhayushchy layer.
At inclusion of a backing the darkening effect is disconnected. It provides possibility of departure from dark garage by means of an interior mirror.
CHECK
1 Include ignition.
It is not necessary to include a backing.
2 Close or stick the photosensor on the forward party of a mirror. 3 Light the photosensor on a reverse side of a mirror with a pocket small lamp. Through some short time the mirror has to be darkened Fotodatchik settles down above in the center behind a mirror.