In FIG. 11, 71, 72 and 73, respectively, are a computer, a robot mechanism portion and a mobile transmission device as in FIG. 9. 711 is a robot control portion for controlling the entirety of the robot apparatus 2A. 712 is an input/output I/F portion (input/output interface portion) in charge of acceptance and transfer of data in connection with the mobile transmission device 73. 713 is an output