Automatic toll switching equipment with automatic ticketing developed in order to bolster decreasing net profits of independent telephone companies on short distance toll calls; ticketing system temporarily stores data on magnetic tape from which information is printed as toll ticket. (see also Elec Eng v 72 n 6 June 1953 p 517-22)
XY toll ticketing system
Am Inst Elec Engrs -- Trans (Communications Electronics)
1953
46 pages
Article (Journal)
English
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Engineering Index Backfile | 1953
|Engineering Index Backfile | 1944
|Online Contents | 1997