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Internal degaussing coils in CRTs are generally much weaker than external degaussing coils, since a better degaussing coil takes up more space. A degauss circuit induces an oscillating magnetic field with a decreasing amplitude which leaves the shadow mask with a reduced residual magnetization. A degaussing in progress
The distance sweep mimics the sound and magnetism of a ship and is pulled behind the sweeper. It has floating coils and large underwater drums. It is the only sweep effective against bottom mines. During the Second World War, RAF Coastal Command used Vickers Wellington bombers Wellington DW.Mk I fitted with degaussing coils to trigger magnetic ...
The distance sweep mimics the sound and magnetism of a ship and is pulled behind the sweeper. It has floating coils and large underwater drums. It is the only sweep effective against bottom mines. During WWII, RAF Coastal Command used Vickers Wellington bombers Wellington DW.Mk I fitted with degaussing coils to trigger magnetic mines. [95]
In the conversion, the ship's hull, superstructure, and funnels were painted navy grey. As a result of her new colour, and in combination with her great speed, she became known as the "Grey Ghost". To protect against magnetic mines, a degaussing coil was fitted around the outside of the hull. Inside, stateroom furniture and decoration were ...
An electromagnetic coil is an electrical conductor such as a wire in the shape of a coil (spiral or helix). [1] [2] ... Degaussing coil - a coil used to demagnetize ...
In late 1939, a degaussing coil was installed on the ship's hull. Königsberg returned to active duty in March 1940, when she was assigned to the invasion force for the attack on Norway. [ 8 ]
A degaussing coil was installed, along with a helicopter landing platform on top of turret "Bruno". She thereafter served as a testbed for the Flettner Fl 282 helicopter, a task she performed until 1942.
As timers in the degaussing coil circuit of most CRT displays. When the display unit is initially switched on, current flows through the thermistor and degaussing coil. The coil and thermistor are intentionally sized so that the current flow will heat the thermistor to the point that the degaussing coil shuts off in under a second.