FR660600A - Connection device for telephone systems with operation by selectors and collectors - Google Patents
Connection device for telephone systems with operation by selectors and collectorsInfo
- Publication number
- FR660600A FR660600A FR660600DA FR660600A FR 660600 A FR660600 A FR 660600A FR 660600D A FR660600D A FR 660600DA FR 660600 A FR660600 A FR 660600A
- Authority
- FR
- France
- Prior art keywords
- selectors
- collectors
- connection device
- telephone systems
- telephone
- 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)
- Interface Circuits In Exchanges (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE314042T | 1928-06-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR660600A true FR660600A (en) | 1929-07-12 |
Family
ID=31894671
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR660601D Expired FR660601A (en) | 1928-06-23 | 1928-09-20 | Connection arrangement for telephone systems with operation by selectors and collectors |
FR660600D Expired FR660600A (en) | 1928-06-23 | 1928-09-20 | Connection device for telephone systems with operation by selectors and collectors |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR660601D Expired FR660601A (en) | 1928-06-23 | 1928-09-20 | Connection arrangement for telephone systems with operation by selectors and collectors |
Country Status (2)
Country | Link |
---|---|
FR (2) | FR660601A (en) |
GB (2) | GB314041A (en) |
-
1928
- 1928-09-20 FR FR660601D patent/FR660601A/en not_active Expired
- 1928-09-20 FR FR660600D patent/FR660600A/en not_active Expired
- 1928-12-04 GB GB35785/28A patent/GB314041A/en not_active Expired
- 1928-12-10 GB GB36467/28A patent/GB314042A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB314042A (en) | 1930-04-10 |
FR660601A (en) | 1929-07-13 |
GB314041A (en) | 1930-04-04 |
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