A control apparatus for a dazzle-free reflection mirror of a vehicle is disclosed. The control apparatus is provided with a rear light sensor and a circuit for driving the reflection mirror into a dazzle-free condition in accordance with an intensity of a rear light detected by said rear light sensor...http://www.google.com/patents/US4671615?utm_source=gb-gplus-sharePatent US4671615 - Control apparatus for a dazzle-free reflection mirror of a vehicle
