US 11,988,725 B2
Method for determining a connection status between an antenna amplifier and an antenna structure, a diagnostic module and an antenna amplifier
Peter Schaich, Nechartenzlingen (DE); and Olaf Laemmle, Neckartenzlingen (DE)
Assigned to Hirschmann Car Communication GmbH, Neckartenzlingen (DE)
Filed by Hirschmann Car Communication GmbH, Neckartenzlingen (DE)
Filed on Apr. 20, 2022, as Appl. No. 17/724,737.
Claims priority of application No. 102021110345.2 (DE), filed on Apr. 22, 2021.
Prior Publication US 2022/0342005 A1, Oct. 27, 2022
Int. Cl. G01R 31/69 (2020.01); H01Q 1/12 (2006.01); H05B 3/84 (2006.01)
CPC G01R 31/69 (2020.01) [H01Q 1/1278 (2013.01); H05B 3/84 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method for determining a connection status between an antenna amplifier and an antenna structure, comprising:
applying a first diagnostic voltage to a connecting link between the antenna amplifier and the antenna structure;
reading out a first voltage value at a measuring point of the connecting link, the first voltage value is determined as a difference in potential between a potential at the measuring point of the connecting link and a ground potential;
comparing the first voltage value with the first diagnostic value;
applying a second diagnostic voltage different from the first diagnostic voltage to the connecting link;
reading out a second voltage value at the measuring point, the second voltage value is determined as a difference in potential between the potential at the measuring point and the ground potential;
comparing the second voltage value with the second diagnostic voltage; and
determining a faulty connection between the antenna amplifier and the antenna structure if the first voltage value corresponds to the first diagnostic voltage and the second voltage value corresponds to the second diagnostic voltage.