Magnetic-drum storage and originating call detection in an electronically controlled t.d.m. telephone exchange
D.G. Bryan, J.S. Arnold · Proceedings of the IEE Part B Electronic and Communication Engineering · 1960
The paper pertains to the detection and connection of calling subscribers to the equipment of an electronically controlled t.d.m. telephone exchange. In particular, it refers to the types of information for which storage is required, to the method of providing this on a magnetic drum and to the logical manipulation of this information when a call occurs.