To attain direct information communication between plural mobile objects without newly providing a dedicated communication circuit.
A main body 1 is moved by driving wheels W rotated by driving motors 2. A pressure sensor 3 for detecting contact pressure applied when the main body 1 comes into contact with another mobile radio communication equipment is fitted to the outer surface of the main body 1 and a control circuit 4 holds the driving force of the motors 2 at a fixed level in the state that the main body 1 comes into contact with the other mobile radio communication equipment, discriminates a change in the detected contact pressure to obtain receiving data and changes the driving force of the motors 2 in the direction to the other communication equipment in accordance with prescribed transmission data to execute transmission.
OOTSUKA MANABU
OGUSU KOJI
IDOGAKI KOJI
