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Wearable Devices

Those wearable devices, such as the smartwatch and smart glasses are usually equipped with several types of motion sensors, including the accelerometer, gyroscope, and magnetometer. The magnetometer applied in the wearable devices is built in the low magnetic hysteresis effect, compactness, and low-power consumption features. The angular sensor applied in the rotating bezel and the crown side of the smartwatch helps detect the rotation angle of both sides to add the multi-functional window switching feature.

The novel application comprises Augmented Reality and Virtual Reality. Both require the assistance of the magnetometer to calibrate the accumulated error from the gyroscope.

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