proximity fuse


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proximity fuse

[präk′sim·əd·ē ‚fyüz]
(ordnance)
A fuse that detonates a warhead when the target is within some specified region near the fuse; radio, radar, photoelectric, or other devices may be used as activating elements. Also known as influence fuse; variable-time fuse; vt fuse.

proximity fuse

A fuse in which the primary initiation occurs by remotely sensing the presence, distance, and/or direction of a target or its associated environment by means of a signal generated by the fuse or emitted by the target or by detecting a disturbance of a natural field surrounding the target.
References in periodicals archive ?
Crosley ended up producing almost 25 percent of the more than 22 million proximity fuses manufactured during the war.
Developed by Whittaker Corporation (NYSE:WKR) here, the portable and silent system dubbed Shortstop is "a life saving system" which is virtually 100 percent effective against artillery and mortar shells fitted with proximity fuses.
The caller, an Army procurement official, explained that the military had scoured its vast inventories and found nothing to counter the Iraqi proximity fuses.
He worked on proximity fuses for rockets and bombs.
Under a deal with the Army, the Simi Valley-based firm will produce 44 ``shortstop'' systems that can prematurely detonate incoming artillery shells armed with radio-frequency proximity fuses, Timothy A.
Shortstop is a portable and silent system that creates an electronic signal that causes mortar, artillery shells and rockets, fitted with proximity fuses, to explode prematurely by falsely signaling that they have reached their target.
Of the millions of artillery and mortar shells in service worldwide today, the greatest threat to soldiers and vehicles are those fitted with proximity fuses, he said.