Protective circuit for the overvoltage protection of a subscribe

Details Protective circuit for the overvoltage protection of a subscribe Protective circuit for the overvoltage protection of a subscribe

1987-03-02

1987-12-22

Schreyer, Stafford D.

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Testing of subscriber loop or terminal

379412, 370 13, 361 91, 361119, H04M 700, H02H 320

Patent

active

047150580

ABSTRACT:
A protective circuit for the electronic interface circuit (SLIC) as well as the electronic switches for test access is described, in which a first threshold setting element for each conductor of the core pair is connected between the line side and a test access and/or isolation switch and the test access switch for the related first conductor of the core pair, for conducting overvoltages to ground, as well as a second threshold setting element bridging access switch which is connected to ground via a third threshold setting element.

REFERENCES:
patent: 4254442 (1981-03-01), Dijkmans et al.
patent: 4585905 (1987-04-01), Brown
patent: 4661979 (1987-04-01), Jakab

Affiliated with

Also associated with

Rating

Protective circuit for the overvoltage protection of a subscribe does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Protective circuit for the overvoltage protection of a subscribe, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Protective circuit for the overvoltage protection of a subscribe will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-822303