Acoustics – Diaphragm and enclosure – Rounded enclosure
Patent
1993-04-12
1994-02-15
Gellner, Michael L.
Acoustics
Diaphragm and enclosure
Rounded enclosure
181156, 181199, H05K 500
Patent
active
052869288
ABSTRACT:
A speaker tube structure formed of a semi-cylindrical first side wall portion and a planar second side wall portion, with the second side wall portion including speaker members mounted therewithin, having a tuning port orthogonally directed into the second side wall portion extending into the speaker tube cavity in a spaced adjacency relative to the tube axis. The tuning port is arranged to receive a plurality of inserts to permit tuning of the speaker tube.
REFERENCES:
patent: 3768589 (1973-10-01), Nilsson et al.
patent: 3826333 (1974-07-01), Buckwalter
patent: 4213515 (1980-07-01), Laupman
patent: 4567959 (1986-02-01), Prophit
patent: 4756382 (1988-07-01), Hudson, III
patent: 4805729 (1989-02-01), Wascom
patent: 5191177 (1993-03-01), Chi
Dang Khanh
Gellner Michael L.
Gilden Leon
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