US Patent 9672702 Thermal haptic alert notification

This application relates to computing devices that can incorporate thermal haptic feedback devices for providing feedback in the form of a temperature change. The thermal haptic feedback device can be incorporated into a watch, and a portion of the watch can change temperature when a notification is to be provided to a user. The thermal haptic feedback device can also be incorporated into a surface of a mobile phone and allow a user to receive notifications regarding incoming calls and messages using a temperature change of the surface. The thermal haptic feedback device can also change temperature based on information received from external computing devices.