Transmission and reception of pictures
United States Patent 1796030

Inventors:
Kell, Ray D.
Publication Date:
03/10/1931
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Assignee:
GEN ELECTRIC
Primary Class:
348/384.100
Other Classes:
348/E07.045, 345/110, 382/236, 340/2.200, 348/E03.012, 348/416.100
International Classes:
H04N3/12; H04N7/12; H04N3/10