Shorting ring fixture for electromagnetic transducer

Details Shorting ring fixture for electromagnetic transducer Shorting ring fixture for electromagnetic transducer

2007-06-05

2007-06-05

Kuntz, Curtis (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

C381S421000, C381S422000

Reexamination Certificate

active

10788827

ABSTRACT:
An electromagnetic transducer such as an audio speaker, having a motor structure in which a shorting ring that sinks eddy currents also serves as a permanent fixture to provide coaxial alignment of two or more components within the transducer. These components could include various combinations of the yoke, the top plate, the magnet, and/or other parts. Ideally, the shorting ring extends axially as close as possible to the voice coil, to a position immediately adjacent the magnetic air gap.

REFERENCES:
patent: 6542617 (2003-04-01), Fujihira et al.
patent: 6671385 (2003-12-01), Suzuki et al.
patent: 6768806 (2004-07-01), Button et al.
patent: 6996247 (2006-02-01), Stiles

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