An electroacoustic transducer

Details An electroacoustic transducer An electroacoustic transducer

H - Electricity

04

R

H04R 9/06 (2006.01) H04R 9/02 (2006.01) H04R 9/04 (2006.01) H04R 9/08 (2006.01)

Patent

CA 2435932

An electroacoustic transducer comprising a magnetic circuit of a magnetically conductive material with a pair of opposed surfaces defining a gap therebetween, the magnetic circuit comprising a magnet inducing a magnetic field in the gap, the magnet having a surface constituting one of the opposed surfaces. The magnetic circuit further comprises a diaphragm and a coil having electrically conducting paths secured to the diaphragm. The coil has portions of its paths situated in the gap.

La présente invention concerne un transducteur électroacoustique comprenant un circuit magnétique qui est réalisé dans un matériau conducteur magnétique et qui présente une paire de surfaces opposées définissant un espace libre entre ces dernières, le circuit magnétique comportant un aimant induisant un champ magnétique dans l'espace libre et l'aimant ayant une surface qui constitue une des surfaces opposées. Le circuit magnétique comprend également un diaphragme et une bobine comportant des chemins conduisant l'électricité qui sont fixés au diaphragme. Des parties des chemins de la bobine sont situées dans l'espace libre.

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