A remote control system for a locomotive. The remote control system includes a lead controller and follower controller connected to one another over a wireless communication link. The lead controller issues commands over the wireless communication link and those commands are implemented by the follower...http://www.google.fr/patents/US6799098?utm_source=gb-gplus-shareBrevet US6799098 - Remote control system for a locomotive using voice commands
Remote control system for a locomotive using voice commands