A system for monitoring electricity usage is provided. The system includes a monitoring device having a meter connected to a current transformer and a communications device. The communications device allows transmission of electrical usage information to a server. The data is communicated to the server...http://www.google.fr/patents/US20020143482?utm_source=gb-gplus-shareBrevet US20020143482 - Method and apparatus for monitoring electrical usage
Method and apparatus for monitoring electrical usage
