Efficient one-sided rearrangeable multistage switching network

Details Efficient one-sided rearrangeable multistage switching network Efficient one-sided rearrangeable multistage switching network

1976-06-01

1977-05-10

Yusko, Donald J.

Communications: electrical

Digital comparator systems

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.

REFERENCES:
patent: 3129407 (1964-04-01), Paull
patent: 3317897 (1967-05-01), Ceonzo et al.
patent: 3358269 (1967-12-01), Benes
patent: 3458658 (1969-07-01), Aro
patent: 3638193 (1972-01-01), Opferman et al.
patent: 3727006 (1973-04-01), Jacob
patent: 3906175 (1975-09-01), Joel, Jr.
patent: 3920923 (1975-11-01), Schonemeyer
patent: 3980834 (1976-09-01), Akiyama et al.

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