Telephone apparatus

Details Telephone apparatus Telephone apparatus

H - Electricity

04

M

379/47, 354/230.

H04M 3/64 (2006.01)

Patent

CA 1094705

ABSTRACT A data store for storing data to be displayed by a visual display unit in a telephone control console comprises a plurality of pairs of random access memories, each of said memories having a plurality of addressable storage locations. The storage locations are arranged in pairs such that the addresses of the locations in each pair differ only in the most significant bit of the respective addresses. A parallel plurality of parallel words are assembled on an output register, each word comprising the contents of similarly addressed locations in each pair of memories, adjacent words being sequentially assembled by the alteration only of the most significant bit of the address during the assembly of each parallel plurality of parallel words.

348813

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