Patent ID: 6720881
Filing Date: 2004-04-13
Classification: A01K,G08B

Abstract:
A perimeter security system for excluding a person from or maintaining a person within a predefined area comprising:a main sensor unit being wearable by a user, said main sensor unit providing an alarm if the wearer breaks a boundary of the predefined area; a perimeter defining assembly for providing an indication of the boundary of the predefined area; a remote unit receiving a signal from said main sensor unit that the boundary of the predefined area has been broken, said remote unit providing an alarm for a caretaker; said remote unit further comprises: a remote housing, said housing being mountable to an exterior portion of a structure; a receiver assembly for receiving a signal from said main sensor unit when said main sensor unit breaks a boundary of a predetermined area; an audible alarm assembly operationally coupled to said receiver assembly, said audible alarm assembly being activated when said receiver assembly receives a signal from said main sensor unit, said audible alarm assembly being for alerting a caretaker that the user has violated the boundary; a strobe assembly operationally coupled to said receiver assembly, said strobe assembly being positioned on an exterior surface of said housing; said strobe assembly providing a visible alarm when said receiver assembly receives a signal from said main sensor unit for alerting a caretaker that the user has violated the boundary; a battery assembly positioned substantially within said housing, said battery assembly being operationally coupled to said receiver assembly, said audible alarm assembly, and said strobe assembly, said battery assembly providing electrical energy for said remote unit; wherein said audible alarm assembly provides an audible alarm of approximately 103 decibels; and wherein said perimeter defining assembly further comprises a coil of wire positioned around the perimeter of the predetermined area, said coil of wire being operationally coupled to an electrical source, said coil of wire generating a magnetic field detectable by said main sensor unit such that when main sensor unit passes said coil of wire said main sensor unit issues an alarm signal.