Radio traffic signaling system
United States Patent 2429607

Inventors:
Capen, William H.
Publication Date:
10/28/1947
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Assignee:
INT STANDARD ELECTRIC CORP
Primary Class:
342/386
Other Classes:
340/905, 246/30, 455/524, 455/345, 342/454, 180/271, 180/313, 455/526, 398/151, 398/106, 455/41.100
International Classes:
G08G1/0962
US Patent References:
2024712Dispatcher's electric display board for systems of power distribution
2100498Signal control circuits
2254218Ultra high frequency receiving system
1711879Ship-guiding method and apparatus
2255055Traffic signaling system