Abstract: An electronic personal monitoring device that informs the user, i.e. tutor or guardian, when an unauthorized person has come too close to the protected person, i.e. target person, or when the target person moves or has been moved outside a calculated tutor monitoring range wherein the device continually monitors, i.e. self-monitoring, so long as the alarm system is enabled and produces an alarm signal when triggered, which may be a silent or vibration alarm, audible alarm or visual alarm.

Abstract: An electronic personal monitoring device that informs the user, i.e. tutor or guardian, when an unauthorized person has come too close to the protected person, i.e. target person, or when the target person moves or has been moved outside a calculated tutor monitoring range wherein the device continually monitors, i.e. self-monitoring, so long as the alarm system is enabled and produces an alarm signal when triggered, which may be a silent or vibration alarm, audible alarm or visual alarm.

Abstract: An electronic localization protection device that calculates and transmits the position of a predetermined object, especially a person, and the optimal way to get to the predetermined target and comprises a GPS device having a receiver, processor and transmitter that receive signal data, calculate the exact coordinates of the target object and transmit that information to other tracking devices having a GPS receiver or local ground station, respectively and wherein the tracking devices comprise a tracking receiver that receives information from the target object, calculates its coordinates and determines the optimal way to get to the target from locale information stored in memory.