H - Electricity – 04 – M
Patent
H - Electricity
04
M
H04M 3/00 (2006.01) H04M 3/30 (2006.01) H04M 19/00 (2006.01)
Patent
CA 2318832
The invention relates to a compensation and current measurement method for a subscriber circuit of a digital telephone exchange said circuit consisting of a high-threshold part (HV) and a low-threshold part (NV). The inventive process is integrated into the low-threshold part. According to the invention, a disturbance variable which has been determined in advance and stored in the low-threshold part (NV) with a reversed sign is added to the currents which are measured e.g. for adjusting the power supply or the reliability performance of the subscriber circuit. The current can then be measured based on current values which have already been corrected.
L'invention concerne un procédé de compensation et de mesure du courant pour un groupe d'abonnés d'un central téléphonique numérique, comprenant une partie haute tension (HV) et une partie basse tension (NV), qui est intégré dans la partie basse tension. Une valeur d'influence déterminée au préalable et mémorisée dans la partie basse tension avec un signe inversé est ajoutée aux courants mesurés, par ex. pour ajuster le courant d'alimentation ou la fiabilité de fonctionnement du groupe d'abonnés. Ce procédé permet que la mesure du courant puisse s'effectuer sur la base de valeurs de courant déjà corrigées.
Dollinger Rudolf
Krimmer Roland
Aktiengesellschaft Siemens
Nokia Siemens Networks Gmbh & Co. Kg
Sim & Mcburney
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