Apparatus for and method of pulse keying
United States Patent 2401807

Inventors:
Irving, Wolff
Publication Date:
06/11/1946
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Assignee:
RCA CORP
Primary Class:
331/55
Other Classes:
331/75, 375/309
International Classes:
H03K3/78; H04L27/04; H03K3/00; H04L27/02