electromagnetic

Anti-shoplifting Devices Electromagnets

Anti-shoplifting Devices Electromagnets Anti-shoplifting Devices Each year, businesses lose billions to shoplifting. To prevent this, most stores have invested in security. Common systems include electronic surveilance, security personel, and alarm systems. One of these systems, called the EM system, uses electromagnets to thwart shoplifters. Electromagnetic (EM) System The EM system, dominant in Europe, uses electromagnetic [...]

By Magnet Neodymium|June 30th, 2017|Devices, Electromagnet, Magnetic Application, Permanent Magnet|Comments Off

Speaker Electromagnets

Speaker Electromagnets - Speakers Even if we don't realize it, speakers are all around us. Our TVs, cellphones, headphones, radios, and computers all use speakers of different types. Although there are many different sizes, shapes, prices, and sounds to speakers, they all use the same underlying system, which relies on electricity and magnetism. [fusion_builder_container hundred_percent="yes" [...]

By Magnet Neodymium|June 21st, 2017|Electromagnet, Magnetic Application, Magnetic Knowledge, Permanent Magnet, Speaker|Comments Off