1981-01-13
1983-02-08
Robinson, Thomas A.
179 81C, H04M 124
Patent
active
043731201
ABSTRACT:
A line test termination device to provide a characteristic signature recognizable by the telephone central office when a continuity test is made on a subscriber line having a pair of electrically conductive paths includes a resistor and a diode connected in series between the conductive paths. A neon tube device placed in series with the resistor and diode will be illuminated when a ringing voltage is applied to the line and no telephone ringing circuit is connected thereto.
REFERENCES:
patent: 3469036 (1969-09-01), Meri
patent: 3600678 (1971-08-01), Garrett et al.
patent: 3941950 (1976-03-01), Dunwoodie et al.
patent: 3951248 (1976-04-01), Feiner et al.
patent: 3976849 (1976-08-01), Champan
patent: 3983338 (1976-09-01), Mathauser
patent: 4209671 (1980-06-01), Charles et al.
patent: 4288660 (1981-09-01), Fasano
Robinson Thomas A.
Sachs Martin
TII Industries Inc.
LandOfFree
Line test termination device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Line test termination device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Line test termination device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-51016