Acoustics – Diaphragm and enclosure – Rounded enclosure
Patent
1991-06-27
1993-03-02
Gellner, Michael L.
Acoustics
Diaphragm and enclosure
Rounded enclosure
181156, 181199, H05K 500
Patent
active
051911779
ABSTRACT:
A tube speaker system having a pair of cylinder bass speakers aligned end to end with closed or blind ends in mutual juxtaposition and with speakers mounted in the other open ends which are opposite each other. A support is secured beneath the coaxially aligned speaker cylinders to prevent the cylinders from rolling on their cylindrical walls. Also, the system is provided with means for forming a laterally enclosed sound tunnel that extends the lengths of the speakers in communication with radial openings in the cylindrical walls thereof. The support may take the form of channel-shaped stand atop the sides of which the tubular speakers are mounted. Alternatively, the sound tunnel may be formed by a larger diameter cylinder within which the cylindrical tube speakers are located. In this embodiment the stand may be formed by a flat slab atop which both the larger diameter cylinder and the cylindrical tube speakers are mounted. The tube speakers are thereby stabilized so that they will not roll on their sides when carried in an automotive vehicle. Also, the various embodiments of the speaker system of the invention have hollow sound tunnels which carry the sound alongside the tubular wall of the speaker housing and within a surrounding structure.
REFERENCES:
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patent: 4928787 (1990-05-01), Kato
Dang Khanh
Gellner Michael L.
Thomas Charles H.
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