Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
H04M1/00—Substation equipment, e.g. for use by subscribers
H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
Fernsteuerung für an Fernsprechnetze angeschlossene Diktiermaschinen zur Aufzeichnung und Wiedergabe von Magnetogrammen mittels band- oder drahtförmiger Tonträger.