A fire/smoke damper control system is provided for use in monitoring and controlling operation of one or more fire/smoke dampers in a building. The system includes a local damper controller associated with each fire/smoke damper for controlling the opening and closing of each fire/smoke damper, a remote...http://www.google.com/patents/US20040224627?utm_source=gb-gplus-sharePatent US20040224627 - Fire/smoke damper control system
