proximity fuse

(redirected from Proximity fuses)
Also found in: Dictionary.

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 ?
Oh, and one of Crosley's companies was also responsible for work on the top-secret proximity fuse in World War II, considered one of three projects pivotal to the Allied victory, right after the A-bomb and radar.
But in working on this biography I've learned a lot about one project that was really top secret--the proximity fuse.
The caller, an Army procurement official, explained that the military had scoured its vast inventories and found nothing to counter the Iraqi proximity fuses.
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.
Condor/Whittaker's shortstop system is effective not only against artillery shells, but also mortar rounds and rockets that are equipped with radio-frequency proximity fuses, devices which detonate the round at a set distance above the ground, thereby causing maximum damage.
Large-quantity procurements of proximity fuses and sonobuoys, although clearly electronic devices, have also typically been purchased as expendable munitions.
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.
soldiers and equipment deployed in Bosnia will be protected from enemy artillery and mortar shells employing proximity fuses by an "electronic umbrella," which detects and prematurely detonates the weapons during flight rendering them virtually harmless.
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.