FR613344A - - Google Patents
Info
- Publication number
- FR613344A FR613344A FR613344DA FR613344A FR 613344 A FR613344 A FR 613344A FR 613344D A FR613344D A FR 613344DA FR 613344 A FR613344 A FR 613344A
- 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
- H04Q3/0016—Arrangements providing connection between exchanges
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Exchange Systems With Centralized Control (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14001A US1710182A (en) | 1925-03-09 | 1925-03-09 | Automatic telephone system |
| GB916525A GB254790A (en) | 1925-04-06 | 1925-04-06 | Improvements in or relating to telephone systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR613344A true FR613344A (de) | 1926-11-15 |
Family
ID=26242754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR613344D Expired FR613344A (de) | 1925-03-09 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US1710182A (de) |
| FR (1) | FR613344A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB651604A (de) * | 1948-09-09 |
-
0
- FR FR613344D patent/FR613344A/fr not_active Expired
-
1925
- 1925-03-09 US US14001A patent/US1710182A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US1710182A (en) | 1929-04-23 |