Diagnosis method for an antenna connection

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With amplifier or space discharge device

Reexamination Certificate

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C324S102000, C324S503000

Reexamination Certificate

active

07385384

ABSTRACT:
A method for testing a reliable connection of an antenna includes a coil (L) or something similar connected to a reference potential on one side and to the output of an amplifier on the other side, a first capacitor (C2) arranged in a parallel position to the coil (1) and a second capacitor (C3) arranged between the terminal of the coil (1) and the reference potential. The method consists in emitting a signal by the amplifier, carrying out a first voltage measurement on the antenna terminal during a transient state, and in carrying out the second voltage measurement on the same antenna terminal in a steady-state condition. The method can be used for vehicle LF antennas.

REFERENCES:
patent: 5371508 (1994-12-01), Teich et al.
patent: 198 20 207 (1999-11-01), None

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