CH293314A - Installation de bureau de télécommunication. - Google Patents
Installation de bureau de télécommunication.Info
- Publication number
- CH293314A CH293314A CH293314DA CH293314A CH 293314 A CH293314 A CH 293314A CH 293314D A CH293314D A CH 293314DA CH 293314 A CH293314 A CH 293314A
- Authority
- CH
- Switzerland
- Prior art keywords
- telecommunications office
- office installation
- installation
- telecommunications
- office
- Prior art date
Links
- 238000009434 installation Methods 0.000 title 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Devices For Supply Of Signal Current (AREA)
- Relay Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR908832T | 1941-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH293314A true CH293314A (fr) | 1953-09-15 |
Family
ID=9407426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH293314D CH293314A (fr) | 1941-03-11 | 1947-08-20 | Installation de bureau de télécommunication. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2423098A (fr) |
| CH (1) | CH293314A (fr) |
| FR (1) | FR908832A (fr) |
| GB (1) | GB652629A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR913850A (fr) * | 1945-08-31 | 1946-09-20 | Constr Telephoniques | Perfectionnements aux systèmes téléphoniques |
| DE937651C (de) * | 1952-08-31 | 1956-01-12 | Siemens Ag | Fernmelde-, insbesondere Fernsprechanlage mit Waehlerbetrieb |
-
1941
- 1941-03-11 FR FR908832D patent/FR908832A/fr not_active Expired
-
1943
- 1943-07-02 US US493285A patent/US2423098A/en not_active Expired - Lifetime
-
1947
- 1947-08-20 CH CH293314D patent/CH293314A/fr unknown
- 1947-12-23 GB GB33973/47A patent/GB652629A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR908832A (fr) | 1946-04-19 |
| US2423098A (en) | 1947-07-01 |
| GB652629A (en) | 1951-04-25 |
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