geofence

geofencenoun/ˈdʒiːəʊfɛns/

• 1

  computingengineeringmathematicsA virtual perimeter around a geographic area, typically enforced by monitoring the positions of trackable mobile devices inside or outside the area, and determining if they cross the "fence".

  • To make the location data more useful to its customers, uLocate has developed some enhancements. For instance, users can set up "geofences" around specific locations; when a phone enters or leaves that area, an alert is triggered. This could be used to let parents know, by e-mail or SMS, when a child reaches school.
  • A company like PetsMobility produces the "PetsCell," a "revolutionary waterproof A-GPS CDMA cell phone for your Pet" (as the company puts it). PetsMobility declares that / there's no hiding with the PetsCell™. […] Establish a remote programmable geofence around a yard or campus, and use handy notification features that alert your cell phone when a breach occurs.

geofenceverb/ˈdʒiːəʊfɛns/

• 1

  computingengineeringmathematicsTo provide a geofence around (an area).

  • In this adventure you have built the hardware and software for a fully functional passenger lift, just like the lifts inside real buildings. By doing this, you have used many of the skills you learnt by working through all of the adventures in this book, including sensing the players' position, geo-fencing the lift shaft, moving the player, building blocks automatically, sensing when a block has been hit, interfacing with electronic circuits, using Python lists, developing and testing a program one step at a time, and many more amazing things!
  • The practice, called fingerprinting, is prohibited by Apple. To prevent the company from discovering the practice, Uber geofenced Apple headquarters in Cupertino, changing its code so that it would be hidden from Apple Employees.