Title:
Remote emergency traffic control system
United States Patent 2903674
Inventors:
Schwab, Bruce B.
Publication Date:
09/08/1959
Export Citation:
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Assignee:
NORTH AMERICAN AVIATION INC
Primary Class:
340/906
Other Classes:
340/12.5
International Classes:
G08G1/087; G08G1/07
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US Patent References:
2355607Control system
2203871Radio traffic control
1612427Radio warning system for use on vehicles
Foreign References:
GB473044A