INTERFACE DEVICE AND USB INTERFACE DEVICE FOR ELECTRONIC EQUIPMENT AND ELECTRONIC EQUIPMENT WITH INTERFACE MECHANISM

摘要

The present invention relates to a USB interface device allowing a variety of peripheral devices including USB hubs connected through USB interfaces to be connected thereto without using cables. The USB interface device includes a first-type connector provided to a first surface of a case and/or a second-type connector provided to a second surface of the case opposing the first surface, and a USB hub circuit provided in the case so as to connect the connectors, wherein the first-type and second-type connectors are connectable to each other, and the first-type connector of the USB interface device is connected to the second-type connector of another USB interface device and the second-type connector of the USB interface device is connected to the first-type connector of yet another USB interface device when a plurality of USB interface devices are layered one over another.