ZA752336B - Improvements in switching networks for telecommunications exchanges - Google Patents
Improvements in switching networks for telecommunications exchangesInfo
- Publication number
- ZA752336B ZA752336B ZA00752336A ZA752336A ZA752336B ZA 752336 B ZA752336 B ZA 752336B ZA 00752336 A ZA00752336 A ZA 00752336A ZA 752336 A ZA752336 A ZA 752336A ZA 752336 B ZA752336 B ZA 752336B
- Authority
- ZA
- South Africa
- Prior art keywords
- switching networks
- telecommunications exchanges
- exchanges
- telecommunications
- networks
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
- H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1831074A GB1433648A (en) | 1974-04-26 | 1974-04-26 | Switching networks for telecommunications exchanges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA752336B true ZA752336B (en) | 1976-03-31 |
Family
ID=10110300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00752336A ZA752336B (en) | 1974-04-26 | 1975-04-11 | Improvements in switching networks for telecommunications exchanges |
Country Status (4)
| Country | Link |
|---|---|
| FR (1) | FR2269262B1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB1433648A (cg-RX-API-DMAC10.html) |
| HK (1) | HK28777A (cg-RX-API-DMAC10.html) |
| ZA (1) | ZA752336B (cg-RX-API-DMAC10.html) |
-
1974
- 1974-04-26 GB GB1831074A patent/GB1433648A/en not_active Expired
-
1975
- 1975-04-11 ZA ZA00752336A patent/ZA752336B/xx unknown
- 1975-04-25 FR FR7512939A patent/FR2269262B1/fr not_active Expired
-
1977
- 1977-06-09 HK HK287/77A patent/HK28777A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HK28777A (en) | 1977-06-17 |
| GB1433648A (en) | 1976-04-28 |
| FR2269262B1 (cg-RX-API-DMAC10.html) | 1982-03-26 |
| FR2269262A1 (cg-RX-API-DMAC10.html) | 1975-11-21 |
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