Security System Using Piezoelectric Sensors
First Claim
1. A monitoring system for monitoring activity along an area bounded by a single electrically conducting wire, said monitoring system comprising:
- a conductor wire, said conductor wire defining an area of protection;
at least one sensor in electrical communication with said conductor wire, said sensor for detecting activity at said conductor wire;
a transponder in electrical communication with said sensor by way of said conductor wire, said transponder for managing the operation of said monitoring system;
a signal generator in electrical communication with said conductor wire, said signal generator for generating a signal that is broadcast by said conductor wire; and
a receiver, said receiver responsive to the signal generated by said signal generator.
8 Assignments
0 Petitions
Accused Products
Abstract
A piezoelectric perimeter security system for differentiating between threatening and non-threatening breaches in a property'"'"'s perimeter and also for article of property containment and pet containment. The system consists of at least one piezoelectric sensor in electrical communication with a conductor wire. When compressed or stressed, voltage is generated within the sensor that is proportional to the amount of force compressing or stressing the cable. A processing device receives this voltage and converts it to a local activity signal. This signal is then compared with other signals stored in the system'"'"'s memory in order to identify the type of entity causing the voltage across the cable. If the entity is deemed a security threat then an appropriate countermeasure such as a siren or other alert is actuated. The conductor wire also carries a signal received by a signal receiver that is placed on either a pet or an article of property. When the pet or article of property is near the wire, the signal is received by the signal receiver, and an appropriate countermeasure is actuated. In the case of the article of property, this would be a siren, and in the case of the pet, a corrective electroshock would be delivered to the pet itself. In these ways the containment of the property or pet within the confines of the property'"'"'s perimeter would be encouraged.
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Citations
16 Claims
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1. A monitoring system for monitoring activity along an area bounded by a single electrically conducting wire, said monitoring system comprising:
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a conductor wire, said conductor wire defining an area of protection;
at least one sensor in electrical communication with said conductor wire, said sensor for detecting activity at said conductor wire;
a transponder in electrical communication with said sensor by way of said conductor wire, said transponder for managing the operation of said monitoring system;
a signal generator in electrical communication with said conductor wire, said signal generator for generating a signal that is broadcast by said conductor wire; and
a receiver, said receiver responsive to the signal generated by said signal generator. - View Dependent Claims (2, 3, 4, 5)
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6. A monitoring system for monitoring activity along an area bounded by a single electrically conducting wire, said monitoring system comprising:
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a conductor wire defining a designated protected area;
a sensor in electrical communication with said conductor wire, said sensor for detecting activity at the conductor wire;
a gateway in electrical communication with said conductor wire, said gateway for managing transmissions through said conductor wire;
a processing device in electrical communication with said gateway, said processing device for sequencing operation of said monitoring system, communicating with said conductor wire, and activity identification;
a comparison device in electrical communication with said processing device, said comparison device for comparing detected activity to at least one reference signal and for producing a comparison result;
a memory device in electrical communication with said processing device, said memory device for storing the reference signal;
a power supply electrically connected to said gateway and said processing device, said power supply for providing power to said monitoring system; and
an indicator device in electrical communication with said processing device, said indicator device for providing communication between the monitoring system and an operator. - View Dependent Claims (7, 8, 9, 10)
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11. A monitoring system for monitoring activity along an area bounded by a single electrically conducting wire, said monitoring system comprising:
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a conductor wire defining a designated protected area;
at least one sensor in electrical communication with said conductor wire, said sensor generating a voltage differential measured as a local activity signal upon being stressed, said local activity signal being transmitted through said conductor wire, each of said sensors being individually addressable;
a gateway in electrical communication with said conductor wire, said gateway for managing transmissions through said conductor wire;
a processing device in electrical communication with said gateway, said processing device for sequencing operation of said monitoring system, communicating with said conductor wire, and activity identification;
a digital signal processing device in electrical communication with said processing device, said digital signal processing device for applying a digital filter to detected activity and for producing an activity signal;
a power supply electrically connected to said gateway and said processing device, said power supply for providing power to said monitoring system; and
an indicator device in electrical communication with said processing device, said indicator device for providing communication between the monitoring system and an operator. - View Dependent Claims (12, 13, 14, 15, 16)
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Specification