A light management system having networked intelligent luminaire managers and an activation device. A plurality of networked luminaire managers, each collocated with a respective luminaire, monitor the status of their respective luminaires. The luminaire managers include transmitters for transmitting...http://www.google.co.uk/patents/US20070057807?utm_source=gb-gplus-sharePatent US20070057807 - Activation device for an intelligent luminaire manager
