An electrical power control system is adapted for controlling power and lighting in a building. Switch controls have either relays or triacs, controlled by microprocessors, to switch power on electrical branch circuits. An interface device 122 communicates with the switches 124,126, arranged in a multidrop...http://www.google.es/patents/US6297724?utm_source=gb-gplus-sharePatente US6297724 - Lighting control subsystem for use in system architecture for automated building
Lighting control subsystem for use in system architecture for automated building
