A method for operatively interconnecting a first and second lighting control subnet is disclosed. In the method, a link claim is transmitted to the first and second lighting control subnets from a bridge. The link claim directs the first and second lighting control subnets to wait for a lighting control...http://www.google.es/patents/US6927547?utm_source=gb-gplus-sharePatente US6927547 - System bridge and timeclock for RF controlled lighting systems
System bridge and timeclock for RF controlled lighting systems