Title:
Elimination of interference in carrier systems
Document Type and Number:
United States Patent 1544622
Inventors:
Affel, Herman A.
Plaque It!
Sponsored by: Flash of Genius |
Publication Date:
07/07/1925
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Assignee:
AMERICAN TELEPHONE & TELEGRAPH
Primary Class:
Other Classes:
367/76, 333/12
International Classes:
H04B3/32; H04B3/02