Audio-visual line test termination device

Details Audio-visual line test termination device Audio-visual line test termination device

1981-05-11

1983-06-14

Robinson, Thomas A.

179 84L, H04B 346, H04M 126

Patent

active

043885012

ABSTRACT:
An audio-visual line test termination device for providing a characteristic signature to the telephone central office and a visual and an audible signal to the customer when a continuity test is made on a subscriber line having a pair of electrically conductive paths includes a miniature audio indicator, a light source and a minimum of associated electrical components to indicate to the central office test operator and the customer that the telephone subscriber line is in operating order. The instant invention may be utilized together with a housing that may be permanently installed across the subscriber line.

REFERENCES:
patent: 3600678 (1971-08-01), Garrett et al.
patent: 3896270 (1975-07-01), Kopec 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

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