US Patent 7720572 Companion robot for personal interaction

A robot system includes a base station and a robot. The base station includes a wireless transceiver configured to communicate TCP/IP transmissions over a local wireless protocol, a wired Ethernet connector for communicating TCP/IP transmissions over a local wired Ethernet accessing the Internet, and an access point circuit for transferring TCP/IP transmissions between the local wired Ethernet and local wireless protocol. The access point circuit is limited to a predetermined IP address locked to the robot, a predetermined shell level encryption locked to the robot, and predetermined ports to the Internet open only to the robot. The robot includes a wireless transceiver configured to communicate TCP/IP transmissions over a local wireless protocol and a client circuit for transferring TCP/IP transmissions over the local wireless protocol.