CH418408A -
Circuit arrangement for a subscriber station with key selection in telecommunications, in particular telephone systems
- Google Patents
Circuit arrangement for a subscriber station with key selection in telecommunications, in particular telephone systems
Info
Publication number
CH418408A
CH418408ACH284865ACH284865ACH418408ACH 418408 ACH418408 ACH 418408ACH 284865 ACH284865 ACH 284865ACH 284865 ACH284865 ACH 284865ACH 418408 ACH418408 ACH 418408A
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AgfiledCriticalSiemens Ag
Publication of CH418408ApublicationCriticalpatent/CH418408A/en
CH284865A1964-03-041965-03-02
Circuit arrangement for a subscriber station with key selection in telecommunications, in particular telephone systems
CH418408A
(en)
Circuit arrangement for touch dialing stations, in which the speech circuit is switched off by pressing a button and the signal circuit is switched on to the line