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A waterdrop repellent mirror, particularly an outdoor rear-view mirror of a vehicle, wherein a vibration plate (16) with a piezoelectric oscillator (17) is affixed on the back side of the mirror element (12), and a heater (14)is placed therein to heat up the mirror glass surface. The piezoelectric o...
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| Format: | Patent |
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| Zusammenfassung: | A waterdrop repellent mirror, particularly an outdoor rear-view mirror of a vehicle, wherein a vibration plate (16) with a piezoelectric oscillator (17) is affixed on the back side of the mirror element (12), and a heater (14)is placed therein to heat up the mirror glass surface. The piezoelectric oscillator (17) mounted behind the mirror imposes an ultrasonic wave vibration onto the mirror glass (13) through the vibration plate (16). When the mirror glass surface resonates from inputting the vibration of the oscillator to the mirror, any waterdrops sticking to the mirror surface are dispersed. Re-sticked fine mist of waterdrops or frozen frost on the mirror glass surface can be removed by heating up the mirror. A clear mirror surface can be secured. |
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