Subscriber's line closing circuit

Details Subscriber's line closing circuit Subscriber's line closing circuit

H - Electricity

04

M

379/67

H04M 7/00 (2006.01) H04M 3/22 (2006.01)

Patent

CA 1228185

ABSTRACT OF THE DISCLOSURE A subscriber's line closing circuit, in which at least one first photo coupler and at least one second photo coupler connected in parallel but in reverse polarities are inserted in a closing loop so as to detect an incoming call, to form a DC loop and to sense the direction of a direct current flowing through the closing loop.

472635

Affiliated with

Also associated with

Rating

Subscriber's line closing circuit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Subscriber's line closing circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Subscriber's line closing circuit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1257902