H - Electricity – 01 – H
Patent
H - Electricity
01
H
379/114
H01H 63/33 (2006.01) H01H 67/26 (2006.01) H02B 1/20 (2006.01) H04Q 1/14 (2006.01)
Patent
CA 1179434
A SWITCH WITH SEVERAL LAYERS OF CROSSING POINTS ABSTRACT OF THE DISCLOSURE A switch with several layers of crossing points which is particularly useful in telephone switching offices, in which switch selection may be effected by coordinates. The switch is composed of several layers of parallel wires oriented in a first direction, and of several second layers of wires oriented in a direction perpendicular to the first layers. The first and second layers are piled up in an intercalated manner, each layer of wires being supported by a frame of insulating material. A crossing point is constituted by two wires located in two neighboring layers, and a conductor surface of a plug, the height of its conductor surface being sufficient electrically to connect a segment of wire of the upper layer to a segment of the perpendicular wire of the lower layer. Each first layer is constituted by a plurality of row wires of uneven ranks and a plurality of row wires of even ranks. Each second layer is constituted by a plurality of column wires of uneven ranks and by a plurality of column wires of even ranks. The row wires and the column wires of uneven ranks form a first matrix, and the row wires and column wires of even ranks form a second matrix.
374939
Gentric Alain
Lahaussois Michel
Etat Francais Represente Par Le Secretaire D'etat Aux Postes Et Telecommunicat
Shapiro Cohen
LandOfFree
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