Line interruption arrangement

Details Line interruption arrangement Line interruption arrangement

1981-02-13

1983-06-28

Rubinson, G. Z.

179 90R, H04M 131

Patent

active

043907539

ABSTRACT:
Telephone subscriber's line interruption arrangement comprising a series arrangement of a semiconductor interrupter contact and a control circuit connected between a first line terminal and a second line terminal, in which a subscriber's line can be connected to the line terminals and via a hook contact. In order to ensure that at low line currents, that is to say in the case of long to very long subscriber's lines, the voltage drop across the interrupter contact is kept very low, the control circuit comprises an output circuit which ensures that the voltage at the control electrode of the semiconductor interrupter contact is at least equal to the voltage at the first terminal.

REFERENCES:
patent: 3906167 (1975-09-01), Baker
patent: 4306119 (1981-12-01), Kutzavitch

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