Patent ID: 7373396

Claim:
An information delivery system, comprising: plural robots; an information server for storing information transmitted from said plural robots; and a network for connecting said plural robots and said information server, wherein: each of said plural robots, comprising: a person identifying means for identifying persons surrounding each robot; a person inquiring means for transmitting the user ID of a person identified by said person identifying means to said information server via said network, in order to inquire said identified person; an information exchanging means for exchanging information with said information server via said network; and an information delivering means for delivering information obtained from said information server by using said information exchanging means to said identified person, and said information server, comprising: an information exchanging means for exchanging information with said plural robots via said network; shared information storage for storing information transmitted from said plural robots, wherein: in case that said shared information storage has information for said identified person inquired by said person inquiring means, said information server transmits said information to said robot who inquired said identified person; and a robot movement means for making said robot move by a moving instruction from said information server or by an automatic movement program, wherein: the allocation among said plural robots is optimized by said robot movement means of each robot.