Theft deterrance security system
First Claim
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.
1 Assignment
0 Petitions
Accused Products
Abstract
A security system for not enabling, enabling or disabling electrical devices for deterring theft, or preventing unauthorized use of such devices. The security system comprises a plurality of electrical devices which are operationally linked via a bi-directional communication medium, which may be via a mains power supply or a microwave or radiowave medium. Programmable means are provided for controlling operation of the operative parts of the electrical devices. The programmable means may have a signal transmitting and receiving means associated with it for transmitting and receiving control signals over the communication medium.
-
Citations
33 Claims
-
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.
Specification