Patent ID: 7701335
Filing Date: 2010-04-20
Classification: G08B

Abstract:
1. A security system for deterring theft, or preventing unauthorized use of electrical devices, the security system comprising a plurality of electrical devices which are operationally linked via a bi-directional communication medium, each electrical device including a programmable component which is programmed for controlling operation of the electrical device and which is additionally programmed for providing security functions for the electrical device and for the security system, each programmable component having a signal transmitter and receiver associated therewith for transmitting and receiving control signals for implementing said security functions over the bi-directional communication medium, and a programmable controller which is programmed for providing security functions for all of the electrical devices of the security system, and which is operationally linked to each of the electrical devices via said bi-directional communication medium, wherein the security functions of the programmable controller and of the programmable components of the electrical devices are such that if a change in the security system occurs, being one of either an electrical device being removed or another electrical device being connected to the security system, the programmable controller detects that the change has occurred and initiates a security action.