Data transmission and control system
United States Patent 2256487

Inventors:
Moseley, Francis L.
Isbister, Eric J.
Publication Date:
09/23/1941
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Assignee:
SPERRY GYRESCOPE COMPANY INC
Primary Class:
340/870.340
Other Classes:
318/625, 340/870.280, 340/870.180, 89/41.070, 340/815.600, 340/825.710, 318/654
International Classes:
G05D3/12