An EAS system employing a central station having a central processing unit and a local station having a microcontroller and in which the functions necessary for detecting EAS tag signals and generating alarms are shared by the central station and the local station. A switch is further provided at...http://www.google.se/patents/US5699046?utm_source=gb-gplus-sharePatent US5699046 - EAS system employing central and local stations with shared functions
