Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent
1978-07-21
1980-04-22
Olms, Douglas W.
Acoustics
Anatomic or prosthetic relation
Ear and mouth
179 1E, 181145, H04R 502, H04R 102
Patent
active
041996577
ABSTRACT:
A speaker system, comprising for each of its channels, a stand supporting a midrange unit, from the housing of which a plurality of tubular supports emanates radially and equidistantly, a tweeter unit mounted on the free end of each of the tubular supports, one self-contained lowrange (bass) commode containing a woofer unit, respectively for each of the channels: a cross-over network separating and feeding the various frequency ranges to the midrange, tweeter and woofer units.
REFERENCES:
patent: 3385929 (1968-05-01), Magyar et al.
patent: 3752258 (1973-08-01), Ishikawa
patent: 3824343 (1974-07-01), Dahlquist
Arnhem Erik M.
Olms Douglas W.
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