Konferenzanordnung fuer eine Nachrichtenanlage

{PG,1 A communication conferencing arrangement is disclosed which relies upon the use of a plus/minus ({30 /{31 ) nonlocking button followed by the operation of a button associated with any other line appearing at the station. If the operated line button is associated with a currently active line th...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FENTON, FRANCIS MICHAEL, RED BANK, N.J., US, VANORNUM, JAMES HENRY, HAZLET, N.J., US, WEISS, CARL DENNIS, LITTLE SILVER, N.J., US, WANG, TSE LIN, MATAWAN, N.J., US
Format:	Patent
Sprache:	ger
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY SELECTING TELEPHONIC COMMUNICATION
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