FR933602A - Improvements to telephone systems - Google Patents
Improvements to telephone systemsInfo
- Publication number
- FR933602A FR933602A FR933602DA FR933602A FR 933602 A FR933602 A FR 933602A FR 933602D A FR933602D A FR 933602DA FR 933602 A FR933602 A FR 933602A
- Authority
- FR
- France
- Prior art keywords
- telephone systems
- telephone
- systems
- 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
- H04Q3/0016—Arrangements providing connection between exchanges
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR933602T | 1946-07-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR933602A true FR933602A (en) | 1948-04-27 |
Family
ID=9455676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR933602D Expired FR933602A (en) | 1946-07-22 | 1946-07-22 | Improvements to telephone systems |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR933602A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE959021C (en) * | 1950-04-02 | 1957-04-11 | Standard Elek K Ag | Circuit arrangement for telecommunications systems |
-
1946
- 1946-07-22 FR FR933602D patent/FR933602A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE959021C (en) * | 1950-04-02 | 1957-04-11 | Standard Elek K Ag | Circuit arrangement for telecommunications systems |
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