Apparatus and method for transmitting pictures
United States Patent 1709926

Inventors:
Allan, Weaver
Publication Date:
04/23/1929
View Patent Images:
Download PDF 1709926 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
AMERICAN TELEPHONE & TELEGRAPH
Primary Class:
358/508
Other Classes:
427/68, 347/83, 235/70R, 347/3, 347/43, 118/313
International Classes:
H04N1/50