CH376968A - Nummernschalter für Fernsprechanlagen
- Google Patents
Nummernschalter für Fernsprechanlagen
Info
Publication number
CH376968A
CH376968ACH233660ACH233660ACH376968ACH 376968 ACH376968 ACH 376968ACH 233660 ACH233660 ACH 233660ACH 233660 ACH233660 ACH 233660ACH 376968 ACH376968 ACH 376968A
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
Priority to NL261795DpriorityCriticalpatent/NL261795A/xx
Application filed by Siemens Ag AlbisfiledCriticalSiemens Ag Albis
Priority to CH233660Aprioritypatent/CH376968A/de
Priority to DE1960A0014811prioritypatent/DE1813550U/de
Publication of CH376968ApublicationCriticalpatent/CH376968A/de
H04M1/00—Substation equipment, e.g. for use by subscribers
H04M1/26—Devices for calling a subscriber
H04M1/30—Devices which can set up and transmit only one digit at a time
H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
H04M1/34—Lost-motion or other arrangements for ensuring a pause between successive digit transmissions
Landscapes
Engineering & Computer Science
(AREA)
Signal Processing
(AREA)
Rotary Switch, Piano Key Switch, And Lever Switch
(AREA)
CH233660A1960-03-021960-03-02Nummernschalter für Fernsprechanlagen
CH376968A
(de)
Schaltvorrichtung, bestehend aus einem gleichfoermig bewegten Stufen-schalter und einem einpoligen Wendeschalter, fuer unter Last regelbare Transformatoren