Programmable ring signal generator

Details Programmable ring signal generator Programmable ring signal generator

1985-07-18

1987-04-07

Dwyer, James L.

Telephonic communications

Centralized switching system

With generating of call associated substation signal

379255, H04M 302, H04M 1902

Patent

active

046566597

ABSTRACT:
A digitally controlled ring signal generator includes a plurality of ring signal generating sources providing a plurality of inputs to each of a plurality of ring circuits. Each input is an a.c. signal superimposed on a d.c. bias that is greater than or equal to the peak voltage of the a.c. signal.

REFERENCES:
patent: 4115660 (1978-09-01), Croisier et al.
patent: 4349703 (1982-09-01), Chea, Jr.

Affiliated with

Also associated with

Rating

Programmable ring signal generator does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Programmable ring signal generator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Programmable ring signal generator will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1090903