Patent US 6,604,022

A robot which incorporates a body, arms with a hand grip, legs, several sensors, light elements, an audio system, and a video system. The sensors allows the robot to interact with objects in the room, and prevents the robot from traveling off an edge or bumping into obstacles. The light elements allow the robot to express moods. The audio system allows the robot to detect and transmit sounds. The video system allows a user to remotely view the area in front of the robot. Additionally, the robot may operate in a plurality of modes, including modes that allow the robot to operate autonomously. The robot may operate autonomously in an automatic mode, a security mode, a greet mode, and a monitor mode. Further, the robot is manipulated remotely.