Acoustics – Diaphragm – Mounting or suspension means
Patent
1998-02-24
1999-10-19
Dang, Khanh
Acoustics
Diaphragm
Mounting or suspension means
381433, G01K 1300
Patent
active
059692987
ABSTRACT:
A loudspeaker clamping structure embodying an improved compression driver is provided. The clamping structure is configured to utilize a totality of the air contained within a cover coupled to a magnet structure of a loudspeaker. The clamping structure includes a compression driver that extends about the periphery of a membrane for clamping the membrane to the magnet structure. The cover includes an annular ring configured to engage the compression driver. At least one of the ring and compression driver is configured with a plurality of interstices along its length to provide interstitial gaps when the ring and compression driver are engaged. The interstitial gaps allow a volume of air within a central cavity to communicate with a second volume of air located in a peripheral cavity, to increase the quantity of available air that the membrane radiates into, so that the dimensions of the cover can be reduced without diminishing the quality of sound, and particularly the low frequency response, produced by the loudspeaker.
REFERENCES:
patent: 4546850 (1985-10-01), Litner
patent: 5150419 (1992-09-01), Kizak et al.
patent: 5566242 (1996-10-01), Hall
Dang Khanh
KH Technology Corporation
Sherman, Esq. Kenneth L.
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