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External or rear view mirror for motor vehicle, has photosensitive element from whose signals dazzle effect is estimated; control unit varies coating transmissivity with estimated dazzle
External or rear view mirror for motor vehicle, has photosensitive element from whose signals dazzle effect is estimated; control unit varies coating transmissivity with estimated dazzle
The device has at least one mirror (2) with a coating at least partially applied to the top of the mirror whose transmissivity can be varied continuously or in steps by an electronic control signal. At least one photosensitive element (4) is associated with the mirror from whose signals a dazzle effect for an observer can be estimated and passed to a control unit (7) that varies the coating transmissivity according to the estimated dazzle effect.
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