A mobile videophone terminal capable of transmitting display information obtained through data communication and the like to a receiving end while talking on the videophone to display it at both ends in real time. In the shoe construction, the shoe is provided with a first tongue that extends upwardly from the shoe sole and across the forefoot opening in the front of the shoe upper, and a second tongue that is separate from the first tongue and extends upwardly from the shoe sole beneath the first tongue. A shaft coupling mechanism 60 is installed in wheel shafts 45, 52. By disabling the wordline driver on the wordlines directly adjacent to the active wordlines, a path is provided to drive the coupling noise from the active wordline to ground through the strong transistor.