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NEWS
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Apple's "AR-glasses" detected Movement only by sensors built into the main unit.

Apple filed a patent with the United States Patent and Trademark Office (USPTO) and that was approved by USPTO on Feb. 11, 2020 for detecting the if AR glasses or headphones are worn, and detects movement by combining magnets and multiple hall sensors.
This patent is for a technology which finds the current position and movement of a built-in magnet through the said built-in magnet and multiple sensors that detect a change in magnetic flux lines due caused by head movement.


https://iphone-mania.jp/news-274055/













































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