Apparatus for and method of cable diagnostics utilizing time...

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – For fault location

Reexamination Certificate

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C324S534000, C324S603000, C324S527000

Reexamination Certificate

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11353578

ABSTRACT:
A novel mechanism for performing high accuracy cable diagnostics. The mechanism utilizes time domain reflectometry (TDR) to detect and identify cable faults, perform estimations of cable length, identify cable topology, identify load and irregular impedance on metallic paired cable, such as twisted pair and coaxial cables. The TDR mechanism transmits pulses whose shapes are programmable and analyzes the signal reflections. The shapes of the pulses transmitted can be optimized in accordance with the channel characteristics. Further, the TDR mechanism is adapted to operative in the presence of high pass filters in the channel.

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