Magnetic proximity fuze


A magnetic proximity fuse was patented by P.J. Eliomarkakis, (United States Patent US2434551 of January 13, 1948) [1] although similar devices had been in service for nearly a decade. It is a type of proximity fuze that initiates a detonator in a piece of ordnance such as a land mine, naval mine, depth charge, or shell when the fuse's magnetic equilibrium is upset by a magnetic object such as a tank or a submarine.

Magnetic field sensors and movement sensors inside the ordnance detect changes to the terrestrial magnetic field of the ordnance caused by another ferromagnetic object. A signal processor inside the ordnance receives the signals from the magnetic field sensors and movement sensors and activates the detonator which will then detonate the explosives within the ordnance.[2]


Examples of pieces of ordnance that employ a magnetic fuze include:

See alsoEdit


  1. ^ "Magnetic fuse" (PDF).
  2. ^ "Archived copy". Archived from the original on 2011-06-12. Retrieved 2010-04-26.{{cite web}}: CS1 maint: archived copy as title (link)