Voice coil bobbin for planar diaphragm

Details Voice coil bobbin for planar diaphragm Voice coil bobbin for planar diaphragm

1980-06-30

1982-03-30

Stellar, George G.

H04R 904

Patent

active

043225845

ABSTRACT:
A voice coil bobbin construction for a planar diaphragm loudspeaker including plural bobbin frames joined together to form the composite voice coil bobbin. In one embodiment, the bobbin frames each have a coupling member at each end thereof which are bonded together in a planar contact. Reinforcing ribs may be provided extending parallel to the planar diaphragm. In another embodiment, a mounting flange intimately bonded to the planar diaphragm and a voice coil flange upon which the voice coil is mounted are provided. A damper fastening portion can also be formed by leaving a portion free of through-holes in the bobbin frames. The feeder wires to the voice coil can be run through the through-holes in the bobbin frames.

REFERENCES:
patent: 1952357 (1934-03-01), Blumlein et al.
patent: 2261110 (1941-11-01), Engholm
patent: 3513270 (1970-05-01), Warning

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