Patent ID: 8744116
Filing Date: 2014-06-03
Classification: H04R

Abstract:
1. A magnetic circuit for a speaker, comprising: a yoke having a yoke bottom and a yoke side surface provided upright on the yoke bottom; a bond magnet fixed onto the yoke bottom; a magnetic gap provided between an upper section of side surface of the bond magnet and an inner surface of the yoke side surface; and a first connecting section connecting a lowest edge of side surface of the bond magnet with the upper section of side surface, wherein the upper section of side surface faces against the inner surface of the yoke side surface, the upper section of side surface is disposed closer to the yoke side surface than the lowest edge of side surface is, the bond magnet is anisotropic, a magnetic field is oriented from a bottom surface of the bond magnet toward the upper section of side surface, and the first connecting section is provided in an inclined manner with respect to the yoke bottom.