Audio voice coil adaptor ring

Details Audio voice coil adaptor ring Audio voice coil adaptor ring

1998-02-12

2000-07-11

Kuntz, Curtis A.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

381420, 381412, 381414, 381398, H04R 2500

Patent

active

060884665

ABSTRACT:
A voice coil adaptor ring and loudspeaker system of the moving coil type including a cone diaphragm supported by a frame, a voice coil former for supporting a voice coil, and a lower suspension for securing and centering the voice coil former in a magnetic gap while it is displaced by a magnetic circuit. The voice coil adaptor ring is mounted over the voice coil former and comprises a substantially cylindrical sleeve having a lower diameter for fitting over the top plate; at least one ledge extending outward from said sleeve for supporting the cone and lower suspension; an inherent gap for receiving epoxies; and a plurality of venting passages in fluid communication with a cap volume defined by the cone and dust cap for venting hot air from the cap volume.

REFERENCES:
patent: 4118605 (1978-10-01), Kobayachi
patent: 4680800 (1987-07-01), Bank et al.
patent: 4765968 (1988-08-01), Kreitmeier
patent: 5111510 (1992-05-01), Mitobe
patent: 5323469 (1994-06-01), Scholz
patent: 5424496 (1995-06-01), Kreitmeier
patent: 5731805 (1998-03-01), Saiki et al.
patent: 5734734 (1998-03-01), Proni

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