Telephone exchange system employing means capable of breaking a

Details Telephone exchange system employing means capable of breaking a Telephone exchange system employing means capable of breaking a

1973-12-21

1976-03-02

Cooper, William C.

179 22, H04Q 300

Patent

active

039419525

ABSTRACT:
A telephone exchange system has a switch frame employing mechanical latching type crossbar switches. Input terminals of the switch frame are associated with incoming terminal units, while output terminals of the switch frame are associated with outgoing terminal units. The incoming and outgoing terminal units are provided with means capable of disconnecting the associated terminals from the terminal units when the call connection is opened at the telephone circuit.

REFERENCES:
patent: 3101392 (1963-08-01), Brunberg et al.

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