GB1333814A - Programme controlled telecommunications exchange systems - Google Patents
Programme controlled telecommunications exchange systemsInfo
- Publication number
- GB1333814A GB1333814A GB4142171A GB4142171A GB1333814A GB 1333814 A GB1333814 A GB 1333814A GB 4142171 A GB4142171 A GB 4142171A GB 4142171 A GB4142171 A GB 4142171A GB 1333814 A GB1333814 A GB 1333814A
- Authority
- GB
- United Kingdom
- Prior art keywords
- group
- control unit
- stored program
- control
- units
- 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
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702044250 DE2044250C (de) | 1970-09-07 | Schaltungsanordnung für eine programmgesteuerte Fernsprechanlage mit einer bzw. mehreren Teilnehmergruppen. |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1333814A true GB1333814A (en) | 1973-10-17 |
Family
ID=5781794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4142171A Expired GB1333814A (en) | 1970-09-07 | 1971-09-06 | Programme controlled telecommunications exchange systems |
Country Status (8)
Country | Link |
---|---|
AT (1) | AT312703B (de) |
BE (1) | BE772293A (de) |
CH (1) | CH531290A (de) |
FR (1) | FR2107149A5 (de) |
GB (1) | GB1333814A (de) |
LU (1) | LU63850A1 (de) |
NL (1) | NL7111918A (de) |
SE (1) | SE381973B (de) |
-
1971
- 1971-08-16 AT AT714271A patent/AT312703B/de not_active IP Right Cessation
- 1971-08-17 CH CH1206971A patent/CH531290A/de not_active IP Right Cessation
- 1971-08-30 NL NL7111918A patent/NL7111918A/xx not_active Application Discontinuation
- 1971-09-02 FR FR7131704A patent/FR2107149A5/fr not_active Expired
- 1971-09-06 LU LU63850D patent/LU63850A1/xx unknown
- 1971-09-06 GB GB4142171A patent/GB1333814A/en not_active Expired
- 1971-09-07 SE SE1133571A patent/SE381973B/xx unknown
- 1971-09-07 BE BE772293A patent/BE772293A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE2044250B2 (de) | 1971-10-07 |
CH531290A (de) | 1972-11-30 |
BE772293A (fr) | 1972-03-17 |
LU63850A1 (de) | 1972-01-12 |
DE2044250A1 (de) | 1971-10-07 |
SE381973B (sv) | 1975-12-22 |
NL7111918A (de) | 1972-03-09 |
FR2107149A5 (de) | 1972-05-05 |
AT312703B (de) | 1974-01-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |