초록 ▼

A system and method for monitoring the location and/or presence of an object/person within a desired area includes a mobile base station, a central control center, a mobile signaling device carried by the monitored object/person, and a geolocating means. The mobile base station may be transported to

A system and method for monitoring the location and/or presence of an object/person within a desired area includes a mobile base station, a central control center, a mobile signaling device carried by the monitored object/person, and a geolocating means. The mobile base station may be transported to an arbitrary site and retains the monitored object/person within a desired area. The central control center determines the acceptability of the location of the monitored object/person and may raise an alarm condition when the monitored object/person is not within the desired area.

대표청구항 ▼

[ What is claimed is:] [1.] A system for monitoring an entity's location and for indicating that the entity has left a defined area around the location, the system comprising:a mobile base for establishing a center from which the defined area is defined, said base comprising,a portable power source

[ What is claimed is:] [1.] A system for monitoring an entity's location and for indicating that the entity has left a defined area around the location, the system comprising:a mobile base for establishing a center from which the defined area is defined, said base comprising,a portable power source so that said base may be transported,first proximity means for indicating that the entity has left the defined area, andmeans for transmitting the location of said base determined by a geolocating device and the indication that the entity has left the defined area provided by said first proximity means;a tag for being carried by the entity comprising second proximity means operable with said first proximity means for setting a size of the defined area and determining that the entity has left the defined area; and,said geolocating device for determining a location of said base and for providing the location to said base; and,a control center for monitoring the location of said base and for providing an indication that the entity has left the defined area, said control center comprising,means for receiving transmissions from said base,means for selectivity displaying the location of said base, andan alarm for indicating receipt of the indication that the entity has left the defined area.