US Patent 10325083 Wearable electronic devices

Wearable electronic device technology is disclosed. In an example, a wearable electronic device can include a handling portion that facilitates donning the wearable electronic device on a user. The wearable electronic device can also include a user authentication sensor associated with the handling portion and configured to sense a biometric characteristic of the user while the user is donning the wearable electronic device. In addition, the wearable electronic device can include a security module to determine whether the sensed biometric characteristic indicates an authorized user of the wearable electronic device.