FR752012A - - Google Patents
Info
- Publication number
- FR752012A FR752012A FR752012DA FR752012A FR 752012 A FR752012 A FR 752012A FR 752012D A FR752012D A FR 752012DA FR 752012 A FR752012 A FR 752012A
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB752012X | 1932-06-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR752012A true FR752012A (instruction) | 1933-09-15 |
Family
ID=10496349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR752012D Expired FR752012A (instruction) | 1932-06-10 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE681436C (instruction) |
| FR (1) | FR752012A (instruction) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE765745C (de) * | 1941-07-04 | 1954-10-25 | Siemens & Halske A G | Schaltungsanordnung fuer Fernsprechnebenstellenanlagen mit Waehlerbetrieb |
| DE971825C (de) * | 1952-11-08 | 1959-04-02 | Sueddeutsche Telefon App | Schaltungsanordnung fuer kleine Selbstwaehl-Nebenstellenanlagen |
-
0
- FR FR752012D patent/FR752012A/fr not_active Expired
-
1933
- 1933-06-04 DE DEST50936D patent/DE681436C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE681436C (de) | 1939-09-22 |