Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A virtual perimeter around a geographic area. Geofences are typically enforced by monitoring the positions of trackable (e.g. GPS-equipped) devices inside or outside the fenced-in area, and determining if they cross the fence.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

geo- +‎ fence

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Examples

  • Parents can "geofence" their child and receive a notification whenever the kid leaves a designated area.

    Great GPS Gadgets © ACR ACR... 2006

  • Gartner said one feature of the "geofence" technology could designate an area the shape of a "10-point polygon," rather than a simple radius from a designated point, as is the case with some tracking technology.

    Kansas City Star: Front Page 2011

  • So they placed a mobile phone SIM card in Kimani's collar, then set up a virtual "geofence" using a global positioning system that mirrored the conservatory's boundaries.

    Resilience Science 2009

  • The system includes an alert feature that automatically sends a text message to rangers when a collared elephant approaches a virtual "geofence," which is established to reduce human-elephant conflict.

    Mongabay.com News 2009

  • So they placed a mobile phone SIM card in Kimani's collar, then set up a virtual "geofence" using a global positioning system that mirrored the conservatory's boundaries.

    The Medical Quack 2008

  • So they placed a mobile phone SIM card in Kimani's collar, then set up a virtual "geofence" using a global positioning system that mirrored the conservatory's boundaries.

    The Medical Quack 2008

  • A mobile phone SIM card is inserted in the elephant collars that automatically send a text message if they go beyond a certain geographic boundary, or "geofence".

    TREND HUNTER - The Latest Trends 2008

  • So they placed a mobile phone SIM card in Kimani's collar, then set up a virtual "geofence" using a global positioning system that mirrored the conservatory's boundaries.

    Turkishdailynews Headlines 2008

  • So they placed a mobile phone SIM card in Kimani's collar, then set up a virtual "geofence" using a global positioning system that mirrored the conservatory's boundaries.

    ScienceBlogs Channel : Life Science 2008

  • For example, Navizon Alert will be able to set up a 'geofence' 3 miles from your home, capable of doing things like activating your air conditioning when you cross the fence.

    VentureBeat 2008

  • The lawyer, Caleb Kenyon, dug around and learned that the notice had been prompted by a “geofence warrant,” a police surveillance tool that casts a virtual dragnet over crime scenes, sweeping up Google location data — drawn from users’ GPS, Bluetooth, Wi-Fi and cellular connections — from everyone nearby.

    Google tracked his bike ride past a burglarized home. That made him a suspect. Jon Schuppe 2020

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