Circuit arrangement for a telephone station with an earth connection

The invention relates to a circuit arrangement for a telephone station with an earth connection to the central feed for the purpose of suffix dial signalling. The object is to enable the circuit arrangement to operate regardless of which exchange battery pole is connected to earth. To achieve this,...

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Bibliographische Detailangaben
1. Verfasser: RIESMEYER,JUERGEN
Format: Patent
Sprache:eng ; ger
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