Telephone line tester

Details Telephone line tester Telephone line tester

1984-09-07

1986-07-15

Schreyer, Stafford D.

H04B 346

Patent

active

046008101

ABSTRACT:
A telephone line tester is a self-contained unit which, when plugged into a premise wiring telephone jack, determines whether or not a signal of adequate power is being received. If a satisfactory signal is received, the tester will give a visual indication thereby denoting the operating condition of the telephone normally connected to the jack.

REFERENCES:
patent: 3976849 (1976-08-01), Champan
patent: 4368363 (1983-01-01), Ahuja
patent: 4513176 (1985-04-01), Fostveit
patent: 4513179 (1985-04-01), Phillips et al.

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