Magnetic circuit for speaker with short-circuiting ring

Details Magnetic circuit for speaker with short-circuiting ring Magnetic circuit for speaker with short-circuiting ring

2006-04-18

2006-04-18

Tran, Sinh (Department: 2646)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

C381S412000, C381S420000

Reexamination Certificate

active

07031489

ABSTRACT:
A magnetic circuit for a speaker comprises: a bottom yoke including a center pole; a ring magnet; a top plate; and a short-circuiting ring shaped like a hollow cylinder. The short-circuiting ring is disposed close and parallel to a voice coil and attached to the inner portion of the bottom of the top plate.

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