US Patent 10493631 Docking system for a tele-presence robot

A remote controlled robot system that includes a mobile robot with a robot camera and a battery plug module, and a remote control station that transmits commands to control the mobile robot. The system also includes a battery charging module that mates with the mobile robot battery plug module, and an alignment system that aligns the battery plug module with the battery charging module. The battery modules may also be aligned with the aid of video images of the battery charging module provided to the remote station by a camera located within the battery plug module.