Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having acoustic wave modifying structure
Patent
1997-11-05
2000-01-11
Loomis, Paul
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Having acoustic wave modifying structure
381354, H04R 2500
Patent
active
060144483
ABSTRACT:
An acoustic enclosure system for a loudspeaker includes a central chamber and two end chambers. The central chamber is separated from each of the end chambers by a common wall. Two loudspeakers are mounted in the central chamber such that one speaker is mounted in each of the horizontal walls and the speakers face away from each other. The central chamber has a port in a side wall that is open to the outside of the enclosure. Each of the end chambers contains a fluid chamber with a flexible bladder that is filled with fluid and maintained in the end chamber a given distance from the corresponding loudspeaker. Each of the bladders contacts the interior surfaces of the side walls and end piece that form the fluid chamber. A flexible support is provided underneath each of the bladders so that the bladders are each substantially maintained a specified distance from the horizontal walls.
REFERENCES:
patent: 4004094 (1977-01-01), Ott
patent: 4101736 (1978-07-01), Czerwinski
patent: 4356882 (1982-11-01), Allen
patent: 4944019 (1990-07-01), Watanabe
patent: 5073937 (1991-12-01), Almasy
Harvey Dionne N.
Loomis Paul
Sound Related Technologies
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