Control data to change any of various parameters in energy management systems that control energy consumption devices, such as heating and air conditioning equipment, is transmitted from a remote location, through a paging network, to a plurality of paging data receivers connected to respective energy...http://www.google.fr/patents/US5640153?utm_source=gb-gplus-shareBrevet US5640153 - Energy utilization controller and control system and method
Energy utilization controller and control system and method
