Title:
Control circuit for radio receivers
Document Type and Number:
United States Patent 2190546
Inventors:
Theodore, Laube Otto
Plaque It!
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Publication Date:
02/13/1940
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Referenced by:
Export Citation:
Assignee:
AMERICAN TELEPHONE & TELEGRAPH
Primary Class:
Other Classes:
455/140, 455/137
International Classes:
H04B7/08