A protective case for foldable mobile devices is described. The folding case comprises a first case and a second case, wherein the folding case further comprises a side cover which rotates by an elastic part as the foldable mobile device is folded or unfolded, and provides a full protection for the entire foldable mobile device including each corner of its hinge part. The folding case according to the present invention covers the hinge part smoothly without any unfavorable space or gap, and it provides the satisfaction with the use and the beauty of the overall appearance as the users would conceive that the two separated case parts and the hinge part operates as if those parts form one united case.

A protective case for foldable mobile devices is described. The folding case comprises a first case and a second case, wherein the folding case further comprises a side cover which rotates by an elastic part as the foldable mobile device is folded or unfolded, and provides a full protection for the entire foldable mobile device including each corner of its hinge part. The folding case according to the present invention covers the hinge part smoothly without any unfavorable space or gap, and it provides the satisfaction with the use and the beauty of the overall appearance as the users would conceive that the two separated case parts and the hinge part operates as if those parts form one united case.

An object is to provide a mobile electronic device and a character input method which can shorten a view point movement distance of a user even in a state where the display screen of the display unit is used horizontally. The control unit displays the first character kind character left aligned on an upper side of the display screen, and displays the second character kind character right aligned on a lower side of the display screen. When a predetermined operation is performed with the operation unit, the control unit maintains the display of either one of the first character kind character and the second character kind character on the display screen according to the operated action while maintaining the display position, and deletes the display of the other one of the first character kind character and the second character kind character.

A computing device comprises a head that can be physically attached to a base. The head may be capable of functioning as a type of computing device independent of the base. The base may include a base transceiver to receive data from a first component of the base, encode the data into a signal, and transmit the signal. The base may include a base waveguide to guide the signal to a head waveguide of the head. The head may include a head transceiver to receive the signal from the head waveguide, decode the data from the signal, and send the data to a second component of the head.

A protective case for foldable mobile devices is described. The folding case comprises a first case and a second case, wherein the folding case further comprises a side cover which rotates by an elastic part as the foldable mobile device is folded or unfolded, and provides a full protection for the entire foldable mobile device including each corner of its hinge part. The folding case according to the present invention covers the hinge part smoothly without any unfavorable space or gap, and it provides the satisfaction with the use and the beauty of the overall appearance as the users would conceive that the two separated case parts and the hinge part operates as if those parts form one united case.