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In addition the coil former geometry of the T-Top bobbin differs from the coil former dimensions of PAF bobbins making T-Top bobbins slightly taller and more robust internally than PAF bobbins. Early T-Top humbuckers retain the same patent number sticker on the baseplate into the early 1970s.
A voice coil (consisting of a former, ... substituted for paper bobbins, and the voice coils survived increased power. ... coil is the motor part of the servo system ...
The dimensions of a coil former or bobbin define the MLT of a full wound coil. [1] In some cases the coil is not made of a single wire with multiple turns, and a coil former is not always necessary, but may be constructed in a stack of printed circuit layers . [ 2 ]
In electrical engineering, coil winding is the manufacture of electromagnetic coils. Coils are used as components of circuits, and to provide the magnetic field of motors, transformers, and generators, and in the manufacture of loudspeakers and microphones. The shape and dimensions of a winding are designed to fulfill the particular purpose.
Vintage wooden bobbins, cylindrical, empty of wound fiber, dimensions 16 in. high by 9 in. in diameter. Vintage wooden bobbin, unflanged, wound with yarn and attached to a "shuttle" that fits it for use in a floor loom. A bobbin or spool is a spindle or cylinder, with or without flanges, on which yarn, thread, wire, tape or film is wound. [1]
In fact, it is wound full depth, and randomly until the number of turns have been reached. The only insulation throughout is the insulation on the wire and that of the bobbin. Special sectioned bobbins are used for this type of winding. Devices that use jumble-wound coils include small electric motors, and some types of choke inductors.
An electric current through a wire wound into a coil creates a magnetic field through the center of the coil, due to Ampere's circuital law. Coils are widely used in electronic components such as electromagnets, inductors, transformers, electric motors and generators. A coil without a magnetic core is called an "air core" coil.
It consisted of two bobbins of iron wire, opposite which the poles of a horseshoe magnet were caused to rotate. As this produced in the coils of the wire an alternating current, Pixii arranged a commutating device (commutator) that converted the alternating current of the coils or armature into a direct current in the external