ZA746130B - Improvements in or relating to telecommunication switching systems - Google Patents
Improvements in or relating to telecommunication switching systemsInfo
- Publication number
- ZA746130B ZA746130B ZA00746130A ZA746130A ZA746130B ZA 746130 B ZA746130 B ZA 746130B ZA 00746130 A ZA00746130 A ZA 00746130A ZA 746130 A ZA746130 A ZA 746130A ZA 746130 B ZA746130 B ZA 746130B
- Authority
- ZA
- South Africa
- Prior art keywords
- relating
- switching systems
- telecommunication switching
- telecommunication
- systems
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
- H04Q3/545—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Exchange Systems With Centralized Control (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB55322/73A GB1485629A (en) | 1973-11-29 | 1973-11-29 | Telecommunication switching systems |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA746130B true ZA746130B (en) | 1975-10-29 |
Family
ID=10473571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00746130A ZA746130B (en) | 1973-11-29 | 1974-09-26 | Improvements in or relating to telecommunication switching systems |
Country Status (3)
Country | Link |
---|---|
GB (1) | GB1485629A (en) |
IE (1) | IE40787B1 (en) |
ZA (1) | ZA746130B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2813721C2 (en) * | 1978-03-30 | 1980-05-14 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Circuit arrangement for an indirectly controlled switching system, in particular telephone switching system |
-
1973
- 1973-11-29 GB GB55322/73A patent/GB1485629A/en not_active Expired
-
1974
- 1974-09-26 ZA ZA00746130A patent/ZA746130B/en unknown
- 1974-11-25 IE IE2421/74A patent/IE40787B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
IE40787L (en) | 1975-05-29 |
IE40787B1 (en) | 1979-08-15 |
GB1485629A (en) | 1977-09-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ZA742155B (en) | Improvements in or relating to switching devices | |
AU472147B2 (en) | Improvements in or relating to time division switching systems | |
ZA743418B (en) | Improvements in or relating to digital telecommunications switching systems | |
ZA738123B (en) | Improvements in sprinkler systems | |
ZA74707B (en) | Improvements in or relating to conference circuits for use in telecommunications systems | |
ZA74773B (en) | Improvements in or relating to wiretinning systems | |
ZA765468B (en) | Improvements in or relating to telecommunication systems | |
ZA738682B (en) | Improvements in or relating to telecommunication switching systems | |
ZA742745B (en) | Switching arrangement | |
GB1439107A (en) | Telephone systems | |
ZA744699B (en) | Improvements in or relating to type carriers | |
PT65278B (en) | Improvements in or relating to t.d.m. telecommunications switching systems | |
ZA742172B (en) | Interconnector for telephone units | |
ZA741450B (en) | Improvements in or relating to electrical switches | |
MY8100009A (en) | Improvements in or relating to telecommunications receivers | |
ZA746130B (en) | Improvements in or relating to telecommunication switching systems | |
AU6762974A (en) | Improvements in or relating to attenuation-correcting systems | |
ZA731546B (en) | Improvements in or relating to time division multiplex switching arrangements | |
IL45879A0 (en) | Telecommunication system | |
ZA74629B (en) | Improvements in or relating to fluxmetering devices for use in wiretinning systems | |
ZA743417B (en) | Improvements in or relating to digital telecommunications switching systems | |
ZA747532B (en) | Improvements in or relatig to switching circuits | |
AU6438174A (en) | Telecommunication switching system | |
HK28577A (en) | Multi-stage switching networks for use in telecommunications exhanges | |
ZA738836B (en) | Improvements in or relating to telecommunication circuit arrangements |