US Patent 7764228 Portable position determining device

A system for locating an animate object beyond a designated area is disclosed comprising a wireless bidirectional communication system, a first transceiver, a locating device, a controller, a satellite navigator system receiver, a second transceiver, and a data entry device associated with a base station, wherein the controller is automatically activated, in response to a received control signal to locate an animate object and transmit location information to a first transceiver when the animate object exceeds a designated area.