Coupled dual cone velocity driver speaker

Details Coupled dual cone velocity driver speaker Coupled dual cone velocity driver speaker

1983-10-27

1986-06-17

Rubinson, Gene Z.

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

179116, 381 90, 181163, H04R 132

Patent

active

045958017

ABSTRACT:
This is a dual cone loudspeaker with a primary cone similar in function to a conventional dynamic loudspeaker. There is a secondary cone mounted to a sub-frame on the back of the magnet structure. A rigid coupling device connects to both cones and causes them to move in unison. Sound waves from the secondary cone travel through an orifice in the center pole piece of the magnet structure and through a hole in the center of the primary cone radiating in the same direction as sound waves from the primary cone. The net effect of this is to generate a louder sound by displacing a larger volume of air than a conventional speaker of equal diameter.

REFERENCES:
patent: 1545718 (1925-07-01), Williams
patent: 1667251 (1928-04-01), Fay
patent: 1674895 (1928-06-01), Fay
patent: 1932459 (1933-10-01), Harris
patent: 2295527 (1942-09-01), Bowley

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