The present invention makes it possible and easier to serve optimum robot components/devices/accessories by means of an information service system including personal terminal devices (31A to 31C) connected to an information communication network via a telecommunication line, and a server (38) connected...http://www.google.com.hk/patents/US7318044?utm_source=gb-gplus-share專利 US7318044 - Information providing system, information providing device, and system for controlling robot device
