Showing papers on "Vehicular communication systems published in 1938"
Patent•
11 Apr 1938
TL;DR: In this article, an electrical switch of the type adapted to be installed in a roadway, for operation by the wheels of vehicular traffic is described, and the switches find useful application in various electrical systems.
Abstract: This invention relates generally to electrical switches of the type adapted to be installed in a roadway, for operation by the wheels of vehicular traffic. Such devices find useful application in various electrical systems, as for example systems for counting vehicular traffic, various electrical...
11 citations