Title:
Multiplex broadcast system
United States Patent 1772165


Inventors:
Taylor, Edmund R.
Hanson, Oscar B.
Application Number:
US12983426A
Publication Date:
08/05/1930
Filing Date:
08/17/1926
Assignee:
AMERICAN TELEPHONE & TELEGRAPH
Primary Class:
Other Classes:
370/486, 455/103
International Classes:
H04H20/10; H04H60/04; H04H1/00
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