Title:
Electrooptical transmission system
Document Type and Number:
United States Patent 1769918


Inventors:
Frank, Gray
Hefele, John R.
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Sponsored by:
Flash of Genius
Publication Date:
07/08/1930
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Referenced by:
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Assignee:
BELL TELEPHONE LABOR INC
Primary Class:
348/484
Other Classes:
348/E11.010, 370/302, 348/E07.048, 348/E07.038, 348/495
International Classes:
H04J1/00; H04N7/08; H04N7/12; H04N11/12; H04N11/06