Less than a month after the approval for a touch-sensitive bezel patent, Huawei now holds the rights for smartphone gestures performed on the back of your hand. This means ultrasonic or infrared sensors follow the finger. This solution takes care of the limited touch area on the smartwatch display. According to the patent, the device can sense movements in four zones around the watch, meaning you can draw even in the air. The sensor will detect when you started writing or swiping and when you stopped. All you need to remember is keeping the finger at the same height as the...
Source: https://www.gsmarena.com/huawei_patent_smartwatch_gesture_back_hand-news-29443.php
