Improvements to loudspeakers
Номер патента: EP2409496A1
Опубликовано: 25-01-2012
Автор(ы): Christien Ellis
Принадлежит: Hiwave Technologies UK Ltd
Опубликовано: 25-01-2012
Автор(ы): Christien Ellis
Принадлежит: Hiwave Technologies UK Ltd
Реферат: The invention relates to a drive unit for a loudspeaker, and a loudspeaker including the same. The drive unit includes a magnet assembly which defines primary and secondary gaps with respect to which a voice coil assembly is movable and in which the same is mounted. The voice coil assembly includes a former which is located and suspended in the secondary gap by ferrofluid provided in said secondary gap, to locate the voice coil assembly without the need for a spider or other mechanical locating means to be provided.
Improvements in and relating to loudspeaker spiders
Номер патента: EP4055836A1. Автор: Martial Rousseau. Владелец: B&W GROUP LTD. Дата публикации: 2022-09-14.