Title:
Pulse code modulation receiver employing cathode-ray tube demodulators
United States Patent 2489883
US Patent References:
Electrical device
- - 2144337

System of communication
- - 2189898

Electric signaling system
- - 2272070

Secrecy communication system
- - 2402058


Inventors:
George, Hecht
Publication Date:
11/29/1949
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Assignee:
BELL TELEPHONE LABOR INC
Primary Class:
Other Classes:
375/340, 341/12
International Classes:
H03M1/00