A dynamic name of a device within a network may be generated by accessing information related to the device; accessing information related to a remote, neighbor device; generating a dynamic name of the device based on the accessed information related to the device and the accessed information related to the remote, neighbor device; and storing the generated dynamic name of the device. The communication terminal includes a videophone function, a voice communication function and the display part which displays a motion picture or a still picture. grate members, adapted and configured to selectively extend across the opening of the dredge head. The waterproof plug body 42 abuts against that portion of the front face of the shielding shell 12 defining an edge portion of the wire passage hole 26, 27, and the resin member 43 is disposed to extend at least in an axial direction of the waterproof plug body 42, and passes through the wire passage hole 26, 27 to extend rearwardly from the shielding shell 12. This realizes the electronic beam proximity exposure apparatus that enhances a reliability by preventing a defect from being produced due to adhering dust or the like. The design of the connector allows for improved control of the compression of the cable inside the fitting.