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This invention describes a cleaning device for round optical sensors, like those found on self-driving cars. It works by attaching a rotating cylindrical housing to the top of the sensor. A wiper blade, which extends around the sensor's edge, is angled to sweep the surface and has nozzles that spray compressed gas to clean it. The claims specify this cylindrical wiper rotates around the sensor's center, potentially matching the sensor's own rotation, for example, at 10 Hz.
Why it matters: The continued, albeit gradual, deployment of autonomous vehicle technology since 2020 has amplified the need for robust, all-weather sensor reliability. Advances in compact motor and fluidic systems could now make integrating this automated cleaning solution more practical and cost-effective for broader adoption.
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