DocumentCode
1410085
Title
Light beams operate traffic signals
Author
Hitchcock, R. C.
Author_Institution
Westinghouse Electric & Manufacturing Company East Pittsburgh, Pa.
Volume
50
Issue
3
fYear
1931
fDate
3/1/1931 12:00:00 AM
Firstpage
182
Lastpage
185
Abstract
Efforts to perfect automatic devices which will give major highways a green light at all times except as change is actually required by traffic on minor intersecting streets now have turned to the grid-glow and photoelectric tubes. Operating experiences gained from trial installations are discussed and equipment features are outlined.
Keywords
Companies; Electron tubes; Photoelectricity; Relays; Road transportation; Substations; Vehicles;
fLanguage
English
Journal_Title
Electrical Engineering
Publisher
ieee
ISSN
0095-9197
Type
jour
DOI
10.1109/EE.1931.6430198
Filename
6430198
Link To Document