Relayless switching circuit for application of ringing signals

Details Relayless switching circuit for application of ringing signals Relayless switching circuit for application of ringing signals

1973-09-27

1976-03-02

Claffy, Kathleen H.

H04m 126

Patent

active

039419410

ABSTRACT:
A relayless switching circuit which provides an effectively open circuit between a telephone and a ringing generator when the ringing generator is de-energized and which is conditioned when the ringing generator is turned on to couple pulses of ringing voltage to the telephone and to effectively open the talking circuit during the occurrences of the ringing voltage pulses.

REFERENCES:
patent: 3145266 (1964-08-01), Owen
patent: 3291916 (1966-12-01), Jorgensen
patent: 3603740 (1971-09-01), Cambridge
patent: 3688038 (1972-08-01), Hugyecz et al.

Affiliated with

Also associated with

Rating

Relayless switching circuit for application of ringing signals does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Relayless switching circuit for application of ringing signals, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Relayless switching circuit for application of ringing signals will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1279145