Compact telephone line test apparatus

Details Compact telephone line test apparatus Compact telephone line test apparatus

1988-09-27

1990-04-24

Schreyer, Stafford D.

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Using portable test set

379 27, H04M 124, H04B 346

Patent

active

049205552

ABSTRACT:
A telephone line test apparatus is provided for determining the operational status of a telephone line. The apparatus has a cylindrical and compact housing structure, a light emitting diode, a resistor, an electrical interface, and an elongated cable with a terminal modular connector. The electrical interface is disposed within the housing structure and connects the light emitting diode and the resistor in series. The modular connector is communicatively connected to the electrical interface and flexible extends from the housing structure for easy and reliable use. The light emitting diode is a tri-state LED which indicates the presence of D.C. voltage and polarity, as well as A.C. voltage.

REFERENCES:
patent: 2956229 (1960-10-01), Henel
patent: 4209671 (1980-06-01), Charles et al.
patent: 4564728 (1986-01-01), Romano
patent: 4600810 (1986-07-01), Feldman et al.
patent: 4756017 (1988-07-01), Bush

Affiliated with

Also associated with

Rating

Compact telephone line test apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Compact telephone line test apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Compact telephone line test apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-39353