Apparatus for detecting digital carrier signals on telephone cab

Details Apparatus for detecting digital carrier signals on telephone cab Apparatus for detecting digital carrier signals on telephone cab

1996-05-08

1997-12-30

Nguyen, Vinh P.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With coupling means

324126, G01R 1916

Patent

active

057034818

ABSTRACT:
A sensor for permitting a signal carried on a tested conductor to be either inductive or capacitively coupled, in non intrusive manner, onto first or second output conductors includes a partially hollow material with high magnetic permeability wound by a first output conductor for permitting a signal carried on a tested conductor to be inductively coupled onto the first output conductor and a conductive material inserted partially within the hollow material and connected to the second output conductor for permitting a signal carried on a tested conductor to be capacitively coupled onto the second output conductor.

REFERENCES:
patent: 3197702 (1965-07-01), Schweitzer, Jr.
patent: 3840802 (1974-10-01), Anthony
patent: 4085298 (1978-04-01), Seidel
patent: 4331915 (1982-05-01), Fielden
patent: 4454557 (1984-06-01), Hurley
patent: 4491790 (1985-01-01), Miller
patent: 4706017 (1987-11-01), Wilson
patent: 5140614 (1992-08-01), Buzbee et al.
patent: 5552702 (1996-09-01), Wissman

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