SELF-CLEANING USING TRANSPARENT ULTRASONIC ARRAY
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United States of America
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Mar 19, 2020
app pub date -
Nov 20, 2019
filing date -
Nov 20, 2019
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Abstract
An active self-cleaning device for transparent substrates includes a transparent substrate, a piezoelectric transducer array formed on essentially entire transparent substrate surface, including a central area of the transparent device, and an electronic system configured to actuate the piezoelectric transducer array to clean a surface of the substrate. Such a device may be used for applications such as LIDAR, radar and camera enclosures, solar cell panel cover glasses, vehicle windshields, windows, sunroofs and headlamps, street lighting and information displays.
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