Relay matrix for selector networks

Details Relay matrix for selector networks Relay matrix for selector networks

H - Electricity

04

Q

344/29, 344/36

H04Q 3/48 (2006.01) H04Q 3/00 (2006.01) H04Q 3/54 (2006.01)

Patent

CA 1040293

ABSTRACT OF THE DISCLOSURE A reed relay matrix for use in selectors in a telephone exchange comprises a crossing point network having relays arranged in rows and columns constituting switching elements of speech paths and a control unit and holding units common to the network. The relays of the crossing point network are of a monostable reed- relay type. Each through connection is of a two pole type, the crossing point comprising just two make contacts. A wire connec- tion between matrices in the selector is limited to the speech wires since a continuous holding wire is not utilized. Addressing of the crossing points in a connection is carried out by means of a central processor which sets up and releases the connection.

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