Telephonic communications – Centralized switching system – Structure of equipment
Patent
1996-06-12
1998-08-04
Matar, Ahmad F.
Telephonic communications
Centralized switching system
Structure of equipment
379325, 901 16, 29739, 29762, 439 45, 439 48, 439 75, H04M 300, H04M 500
Patent
active
057906513
ABSTRACT:
Automatic distribution equipment for connecting and disconnecting lines includes a frame body, a plurality of matrix-switch-board units arranged in the frame body in a stack formation, and a robot provided in a side of the frame body. Each of the matrix-switch-board units has two wiring-pattern arrays which are respectively formed in opposite sides of each of the units so as to be electrically isolated from each other and to cross each other, wherein when a connection pin is inserted into one of through holes formed at cross points of the two wiring-pattern arrays, respective wiring patterns of the two wiring-pattern arrays are connected to each other. The robot moves between two of the matrix-switch-board units, and inserts-and-extracts the connection pin into-and-from a designated through hole to connect-and-disconnect designated lines.
REFERENCES:
patent: 4603377 (1986-07-01), Kobayashi et al.
patent: 5017145 (1991-05-01), Kanai et al.
patent: 5204921 (1993-04-01), Kanai et al.
patent: 5205701 (1993-04-01), Kigami et al.
patent: 5425133 (1995-06-01), Yasuhara et al.
Hachiyama Yasunori
Isobe Hitoshi
Kakihara Eiichi
Kaneko Naoto
Oosawa Hirofumi
Fujitsu Limited
Matar Ahmad F.
Wolinsky Scott
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