CA930852A - Telecommunication exchange system - Google Patents
Telecommunication exchange systemInfo
- Publication number
- CA930852A CA930852A CA106480A CA106480A CA930852A CA 930852 A CA930852 A CA 930852A CA 106480 A CA106480 A CA 106480A CA 106480 A CA106480 A CA 106480A CA 930852 A CA930852 A CA 930852A
- Authority
- CA
- Canada
- Prior art keywords
- exchange system
- telecommunication exchange
- telecommunication
- exchange
- 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
- H04Q3/42—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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB24342/70A GB1285094A (en) | 1970-05-20 | 1970-05-20 | A telecommunication exchange system |
Publications (1)
Publication Number | Publication Date |
---|---|
CA930852A true CA930852A (en) | 1973-07-24 |
Family
ID=10210219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA106480A Expired CA930852A (en) | 1970-05-20 | 1971-03-01 | Telecommunication exchange system |
Country Status (4)
Country | Link |
---|---|
BR (1) | BR7102951D0 (en) |
CA (1) | CA930852A (en) |
GB (1) | GB1285094A (en) |
ZA (1) | ZA711234B (en) |
-
1970
- 1970-05-20 GB GB24342/70A patent/GB1285094A/en not_active Expired
-
1971
- 1971-02-25 ZA ZA711234A patent/ZA711234B/en unknown
- 1971-03-01 CA CA106480A patent/CA930852A/en not_active Expired
- 1971-05-17 BR BR2951/71A patent/BR7102951D0/en unknown
Also Published As
Publication number | Publication date |
---|---|
ZA711234B (en) | 1971-11-24 |
GB1285094A (en) | 1972-08-09 |
BR7102951D0 (en) | 1973-05-17 |
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