Efficient one-sided rearrangeable multistage switching network

Communications: electrical – Digital comparator systems

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Details

179 18GF, 179 18EA, H04J 300, H04Q 368, H04M 336

Patent

active

040231410

ABSTRACT:
Disclosed is a one-sided rearrangeable connecting network employing fewer elemental switches, or crosspoints, than prior art networks of corresponding capability. In a three stage embodiment of this invention, the first stage comprises n input-mixed rearrangeable switches connected to input terminals, the second stage comprises n one-sided rearrangeable switches connected to the input-mixed switches of the first stage and n/2 two-sided rearrangeable switches interconnecting pairs of the one-sided rearrangeable switches of the second stage, and the third stage comprises n output-mixed rearrangeable switches connected to the one sided switches of the second stage and to output terminals.

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patent: 3920923 (1975-11-01), Schonemeyer
patent: 3980834 (1976-09-01), Akiyama et al.

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