Abstract A security system for motels and other properties such as offices and rental properties where small appliances such as television sets, radios, lamps and others are plugged into electrical outlets within rented rooms and which are easily removed by the rentor consists simply of a small disc placed between the appliance's electrical plug and the outlet and if removed, causes the breaker in the circuit feeding that outlet to blow. If a tenant tries to cut the wires without removing the electrical plug, the circuit breaker will also blow. With the circuit breaker blown the tenant must contact the motel manager in order to see what he is removing from the room. An alarm attached to the circuit breaker at the fuse panel sounds when that circuit has no power. The potential signals for separated breakers can be accumulated through a telemetry circuit and are sent to the central office, which will immediately dispatch a house security officer to stop the removal of the appliance or other piece of equipment.
Security system apparatus comprising in combination with an electrical outlet and mating electrical appliance plug, a wafer of insulating material having holes therethrough and positioned to receive an electrical appliance plug whereby the wafer is interposed between said plug and said outlet when the appliance is plugged in, a spring loaded shorting bar within said disk disposed to short the studs of said plug when said spring is fully extended, a first spring loaded pin which blocks said shorting bar when the appliance is plugged in, a second spring loaded pin for holding said shorting bar in setting the device which releases said shorting bar after said blocking pin engages when said plug is plugged into said electrical outlet, said shorting bar having a third pin which mates with a track in said wafer and extends out of said wafer whereby the shorting bar can be set for installation on said electrical plug.
Claim 2
Dependent Claim
153 words
Security system apparatus comprising in combination with an electrical outlet and mating electrical appliance plug, a wafer of insulating material having holes therethrough and positioned to receive an electrical appliance plug whereby the wafer is interposed between said plug and said outlet when the appliance is plugged in, a spring loaded shorting bar within said disk disposed to short the studs of said plug when said spring is fully extended, a first spring loaded pin which blocks said shorting bar when the appliance is plugged in, a second spring loaded pin for holding said shorting bar in setting the device which releases said shorting bar after said blocking pin engages when said plug is plugged into said electrical outlet, said shorting bar having a third pin which mates with a track in said wafer and extends out of said wafer whereby the shorting bar can be set for installation on said electrical plug.
Claim 3
Dependent Claim
19 words
Security system apparatus according to claim 1 which further includes alarm means which triggers when a circuit breaker blows.