CH371485A - Automatisches Fernmeldeamt - Google Patents
Automatisches FernmeldeamtInfo
- Publication number
- CH371485A CH371485A CH1785954A CH1785954A CH371485A CH 371485 A CH371485 A CH 371485A CH 1785954 A CH1785954 A CH 1785954A CH 1785954 A CH1785954 A CH 1785954A CH 371485 A CH371485 A CH 371485A
- Authority
- CH
- Switzerland
- Prior art keywords
- telecommunications office
- automatic telecommunications
- automatic
- office
- telecommunications
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
- H04Q3/525—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using tubes in the switching stages
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/38—Cold-cathode tubes
- H01J17/48—Cold-cathode tubes with more than one cathode or anode, e.g. sequence-discharge tube, counting tube, dekatron
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/52—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of gas-filled tubes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
- H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9307/52A GB734345A (en) | 1952-04-10 | 1952-04-10 | Improvements in or relating to electric signal switching circuits and cold cathode gas-filled discharge tubes therefor |
GB24261/53A GB788592A (en) | 1952-04-10 | 1953-09-02 | Improvements in or relating to selector switches and to automatic telecommunication systems using such selector switches |
GB4473/55A GB788593A (en) | 1952-04-10 | 1953-09-02 | Improvements in or relating to automatic telecommunication exchange systems |
GB33617/53A GB788929A (en) | 1952-04-10 | 1953-12-03 | Improvements in or relating to automatic telecommunication exchanges |
Publications (1)
Publication Number | Publication Date |
---|---|
CH371485A true CH371485A (de) | 1963-08-31 |
Family
ID=32398120
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH968354A CH371482A (de) | 1952-04-10 | 1954-08-30 | Automatisches Fernmeldeamt |
CH1755654A CH371483A (de) | 1952-04-10 | 1954-08-30 | Wahlstufe für ein automatisches Fernmeldeamt |
CH1765454A CH371484A (de) | 1952-04-10 | 1954-08-30 | Einrichtung mit einem Wahlschalter |
CH1785954A CH371485A (de) | 1952-04-10 | 1954-08-30 | Automatisches Fernmeldeamt |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH968354A CH371482A (de) | 1952-04-10 | 1954-08-30 | Automatisches Fernmeldeamt |
CH1755654A CH371483A (de) | 1952-04-10 | 1954-08-30 | Wahlstufe für ein automatisches Fernmeldeamt |
CH1765454A CH371484A (de) | 1952-04-10 | 1954-08-30 | Einrichtung mit einem Wahlschalter |
Country Status (1)
Country | Link |
---|---|
CH (4) | CH371482A (de) |
-
1954
- 1954-08-30 CH CH968354A patent/CH371482A/de unknown
- 1954-08-30 CH CH1755654A patent/CH371483A/de unknown
- 1954-08-30 CH CH1765454A patent/CH371484A/de unknown
- 1954-08-30 CH CH1785954A patent/CH371485A/de unknown
Also Published As
Publication number | Publication date |
---|---|
CH371482A (de) | 1963-08-31 |
CH371483A (de) | 1963-08-31 |
CH371484A (de) | 1963-08-31 |
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