US Patent 12001261 Power optimization for smartwatch

Systems and methods for improving power usage of a wireless device are disclosed. The wireless device includes a memory; and at least one processor communicatively coupled to the memory, the at least one processor configured to: determine a change in ambient light received by the wireless device; determine a position of the wireless device; activate a low power image sensor based on at least one of the change in the ambient light or the position of the wireless device; detect a face using the low power image sensor; and turn on a display of the wireless device based on a user face being the face detected.