Examples that relate to calling on a computing device are disclosed. One example provides a computing device, comprising, a first display a second display, a sensor system a logic subsystem and a storage subsystem comprising instructions executable by the logic subsystem to output, via one or both of the first display and the second display, a notification of an incoming phone call at the computing device, and based on output from the sensor system indicating a relative angle between the first display and the second display being changed to an angle greater than a predetermined angle, answer the incoming phone call.

An expansion hinge including a torque module, two first brackets, two sliding brackets, two second brackets and two elastic modules is provided. The torque module is configured to provide torques. The two first brackets are rotatably connected to two opposite ends of the torque module. The two sliding brackets are rotatably connected to the two opposite ends of the torque module. The two second brackets are slidably disposed in the two sliding brackets respectively. Each of the two elastic modules is disposed between the respective sliding bracket and the respective second bracket. The two sliding brackets are adapted to synchronously slide with respect to the two second brackets, and each of the elastic modules is configured to push the respective sliding bracket and the respective second bracket to form a pulled-out state or a pushed-in state.

Embodiments of the present disclosure provides a display apparatus and an operating method of the display apparatus. The display apparatus includes an apparatus body, a first display screen and a device module, the first display screen and the device module are arranged on the apparatus body, the device module includes a second display screen and a functional device, the functional device is positioned in a non-light-exiting direction of the second display screen, the first display screen and the device module are rotatable relatively, so that the first display screen and the second display screen are positioned on an identical side of the display apparatus.

A method and a device for activating an operating system of a mobile terminal. The method includes steps of: activating, when a gravity sensor provided on a first display screen of the mobile terminal is in a first state, a first operating system of the mobile terminal corresponding to a first display screen to illuminate the first display screen; activating, when the gravity sensor is in a second state, a second operating system of the mobile terminal corresponding to a second display screen to illuminate the second display screen.

There is disclosed a computing apparatus, including: a first chassis including primary operational circuitry of the computing apparatus; a second chassis hingeably coupled to the second chassis, the second chassis having substantially less operational circuitry than the first chassis whereby the operational circuitry of the second chassis generates substantially less heat than the operational circuitry of the first chassis; and a heat spreader between the first chassis and second chassis and disposed to dissipate generated heat from the first chassis into the second chassis.

A foldable case for foldable mobile electronic devices. The foldable case generally comprises a first shell and a second shell hingedly connected to a third shell. The foldable case is reconfigurable between a closed configuration, an open configuration, and intermediate configurations therebetween. The first, second and third shells comprise cooperative engagement features which allow the first and second shells to hinge or pivot relative to the third shell. The cooperative engagement features also constrain the first and second shells to the third shell and limit the first and second shells to pivotal movements in the open and closed configurations but allow lateral movements in the intermediate configurations.

A method for operating an electronic device, comprising a plurality of displays, which includes a first body unit, a second body unit, a first display which is disposed on the other side of the first body unit and faces a first direction, a second display which is disposed on the other side of the second body unit and faces a second direction, and a processor configured to display on the first display a screen of a first application and, when the angle between the first body unit and the second body unit is smaller than a predetermined angle, display on the second display at least one of an image related to the first application, an image related to first content being executed by means of the first application and an image related to information obtained by means of the electronic device.

An electronic device includes a first device housing coupled to a second device housing by a hinge such that the first device housing is pivotable about the hinge between an axially displaced open position and a closed position. An exterior display is coupled to the electronic device and is exposed when the electronic device is in the closed position. At least one interior display is coupled to electronic device and is concealed when the electronic device is in the axially displaced open position. One or more processors detect user input interacting with two or more notifications presented on the exterior display. When the electronic device transitions to the axially displaced open position, the one or more processors present two or more interactive application portals of two or more predefined applications associated with the two or more notifications on the at least one interior display.

An electronic device includes a foldable housing including a first surface and a second surface opposite to the first surface, a first display arranged on the first surface and configured to be flexible, a second display arranged in at least a partial area of the second surface, and a processor arranged inside the foldable housing. The processor detects that the foldable housing is unfolded to a first angle from a fully folded state, displays a first GUI associated with a first application on at least a partial area of the display, detects that the foldable housing is unfolded to a second angle greater than the first angle, displays a second GUI associated with a second application, and executes the second application when the foldable housing is folded back into the fully folded state.

An antenna for a foldable electronic device which functions equally well in both folded and unfolded states includes a rotating shaft and a housing. The overall housing is made of metallic material and includes a first housing and a second housing. The first housing connects to the second housing through the rotating shaft. The housing further defines at least one group of slots to form at least one slot antenna. The at least one slot antenna crosses the rotating shaft and extends to the first housing and/or the second housing. By setting at least one slot antenna to correspond to the rotating shaft, the foldable electronic device achieves high radiation performance whether the first and second housing are folded or unfolded.