Title:
Sound reproducing apparatus
United States Patent 2802054
US Patent References:
Signaling system
- - 1772374

Acoustic device
- - 2007748

Crossover filter network
- - 2612558


Inventors:
Victor, Corney John
Publication Date:
08/06/1957
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Assignee:
FERGUSON RADIO CORP
Primary Class:
381/99
International Classes:
H03F3/22; H04R3/08; H03F3/20; H04R3/04
Foreign References:
GB416982A