Title:
SWITCHING CIRCUIT NETWORK
Document Type and Number:
Japanese Patent JPS6471294
Kind Code:
A
Abstract:
PURPOSE: To attain large sized spatial switch without increasing the switching relation connected so far by constituting N-set of intermediate switches of a 3-stage switching circuit network by m-set of unit switches and connecting input terminals properly.
CONSTITUTION: N-set of intermediate switches of a 3-stage switching circuit network consist respectively of m-set of unit switches. Input terminals corresponding to the m-set of unit switches are interconnected. Moreover, two sets of 3-stage of switching circuit networks are provided as a whole.
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Inventors:
UEDA HIROMI
TOKIZAWA IKUO
TOKIZAWA IKUO
Application Number:
JP22778287A
Publication Date:
March 16, 1989
Filing Date:
September 11, 1987
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE
International Classes:
H04Q3/52; (IPC1-7): H04Q3/52
Attorney, Agent or Firm:
Kusano Takashi