| http://www.w3.org/ns/prov#value | - However, in the automobile mirror having a reversibly variable transmittance utilizing such electrochromic elements, a sensor, which can be sensitized by a relatively strong light such as sunshine and a light from a head light of next car, a control circuit which controls the actuation of the electrochromic elements based on a signal produced from the sensor and other device should be separately r
|