Title:
Loudspeaker arrangement
United States Patent 3155774
Inventors:
Derek, Howell
Publication Date:
11/03/1964
Export Citation:
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Assignee:
PYE LTD
Primary Class:
381/335
Other Classes:
181/146, 381/89, 381/99, 381/186
International Classes:
H04R1/22; H04R1/24; H04R1/26; H04R3/14; H04R1/22; H04R3/12
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US Patent References:
2993091Variable dynamic infinite damping loudspeaker enclosure device
2857478Co-planar loud speaker
2832828Loudspeaker circuitry
2539672Coaxial dual-unit electrodynamic loud-speaker
2426948Coaxial dual-unit electrodynamic loud-speaker