Piston loudspeaker

Details Piston loudspeaker Piston loudspeaker

1976-06-01

1977-03-22

Stellar, George G.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

179120, 179181F, 181150, 181174, H04R 906

Patent

active

040138461

ABSTRACT:
An electroacoustic loudspeaker having a rigid, light-weight diaphragm and a substantially closed loop magnet support of a magnetically permeable material having a channel-shaped cross-section and supported adjacent and spaced from the diaphragm with the open side of the channel facing the diaphragm. The magnet support carries a pair of magnets magnetized and positioned with opposite poles in spaced facing relation and a voice coil is secured to the diaphragm and lies in the gap between the magnets.

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