Communication switching system

Details Communication switching system Communication switching system

1974-05-02

1976-10-12

Fears, Terrell W.

Communications: electrical

Digital comparator systems

340173SP, 307238, G11C 1140

Patent

active

039861740

ABSTRACT:
An array of integrated circuits for selectively connecting a first communication line to a second communication line which employs a latching type semiconductor memory element for selectively energizing and deenergizing the semiconductor connect or disconnect switches located in the communication path. Addressing means are selectively responsive to addressing and reset signals for activating or deactivating the semiconductor latching circuit for either opening or closing the semiconductor switch. The semiconductor latching circuit is external to the communication lines and is capable of being set by the addressing signals and deactivated by a common line in conjunction with the set signals.

REFERENCES:
patent: 3678475 (1972-07-01), Jordan
patent: 3744036 (1973-07-01), Frohman-Bentchkowsky
patent: 3852723 (1974-12-01), Wei-Wha Wu

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