An improved building automation system is provided which is modular in design thus minimizing the amount of instruction necessary to affect control of a particular building system. A relatively small set of interprocess control commands define an interprocess control protocol which is utilized in relatively...http://www.google.fr/patents/US6192282?utm_source=gb-gplus-shareBrevet US6192282 - Method and apparatus for improved building automation
Method and apparatus for improved building automation