FR756852A - Connection device for telephone systems - Google Patents
Connection device for telephone systemsInfo
- Publication number
- FR756852A FR756852A FR756852DA FR756852A FR 756852 A FR756852 A FR 756852A FR 756852D A FR756852D A FR 756852DA FR 756852 A FR756852 A FR 756852A
- Authority
- FR
- France
- Prior art keywords
- connection device
- telephone systems
- telephone
- systems
- connection
- Prior art date
- 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
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR756852T | 1933-06-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR756852A true FR756852A (en) | 1933-12-16 |
Family
ID=9165809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR756852D Expired FR756852A (en) | 1933-06-13 | 1933-06-13 | Connection device for telephone systems |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR756852A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE852559C (en) * | 1938-04-24 | 1952-10-16 | Normalzeit G M B H | Circuit arrangement for telephone systems with dialer operation |
-
1933
- 1933-06-13 FR FR756852D patent/FR756852A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE852559C (en) * | 1938-04-24 | 1952-10-16 | Normalzeit G M B H | Circuit arrangement for telephone systems with dialer operation |
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