Method and apparatus for reducing ground fault risks in cabled s

Details Method and apparatus for reducing ground fault risks in cabled s Method and apparatus for reducing ground fault risks in cabled s

1997-11-21

2000-01-25

Jackson, Stephen W.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

361103, 361115, H02H 300

Patent

active

060184477

ABSTRACT:
A method and apparatus for protecting a system from high current flows in its signal lines. A signal line expected to carry radio frequency signal is provided. A thin region is disposed in series with the signal line. The thin region is destroyed in the presence of current above a safety level. Additionally, the thin region is designed to maintain the impedance profile of the signal path at an approximately constant RF impedance or else the impedance discontinuity caused by the thin region is sufficiently narrow such that it falls within an exception window.

REFERENCES:
patent: 3697808 (1972-10-01), Lee
patent: 4950169 (1990-08-01), Martin et al.
patent: 5170318 (1992-12-01), Catala et al.

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