Switching system with video switching matrix

Details Switching system with video switching matrix Switching system with video switching matrix

H - Electricity

04

M

344/13

H04M 3/42 (2006.01) H04Q 3/52 (2006.01)

Patent

CA 1242263

IN THE CANADIAN PATENT AND TRADEMARK OFFICE PATENT APPLICATION Entitled : SWITCHING SYSTEM WITH VIDEO SWITCHING MATRIX. In the name of : Pierre SORRIAUX A B S T R A C T The switching matrix comprises two data bus each one with n channels for conveying video signals, one address bus, control conductors and an array of N switching points ; each of said switching points has two output switches, two input switches, one circuit receiving address signals to select on each data bus a channel corresponding to the received address, one circuit receiving control signals designed to validate either the pair formed by the first output switch and the second input switch, or the pair formed by the second output switch and the first input switch, to validate the setting up of a connection between the video transmitting means of the associated sub- scriber terminal and the selected channel.

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