GB1459868A - Centrally controlled telecommunications exchange systems - Google Patents
Centrally controlled telecommunications exchange systemsInfo
- Publication number
- GB1459868A GB1459868A GB345674A GB345674A GB1459868A GB 1459868 A GB1459868 A GB 1459868A GB 345674 A GB345674 A GB 345674A GB 345674 A GB345674 A GB 345674A GB 1459868 A GB1459868 A GB 1459868A
- Authority
- GB
- United Kingdom
- Prior art keywords
- exchange
- circuits
- priority
- seized
- scan
- 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
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
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)
- Exchange Systems With Centralized Control (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732304428 DE2304428B2 (de) | 1973-01-30 | 1973-01-30 | Schaltungsanordnung für Fernmeldevermittlungsanlagen, insbesondere Fernsprechvermittlungsanlagen, mit individuellen Geräten, einer Zentralsteuerung und mit Identifizierern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1459868A true GB1459868A (en) | 1976-12-31 |
Family
ID=5870344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB345674A Expired GB1459868A (en) | 1973-01-30 | 1974-01-25 | Centrally controlled telecommunications exchange systems |
Country Status (11)
-
1973
- 1973-01-30 DE DE19732304428 patent/DE2304428B2/de active Granted
- 1973-12-14 AT AT1051573A patent/AT330249B/de not_active IP Right Cessation
-
1974
- 1974-01-24 CH CH95474A patent/CH567848A5/xx not_active IP Right Cessation
- 1974-01-24 NL NL7400981A patent/NL7400981A/xx not_active Application Discontinuation
- 1974-01-25 IT IT1980674A patent/IT1007088B/it active
- 1974-01-25 GB GB345674A patent/GB1459868A/en not_active Expired
- 1974-01-28 FR FR7402698A patent/FR2215764A1/fr not_active Withdrawn
- 1974-01-28 LU LU69247D patent/LU69247A1/xx unknown
- 1974-01-28 DK DK43674A patent/DK140680B/da unknown
- 1974-01-30 BE BE140355A patent/BE810375A/xx unknown
- 1974-01-30 SE SE7401216A patent/SE395100B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2304428C3 (enrdf_load_stackoverflow) | 1975-10-16 |
| IT1007088B (it) | 1976-10-30 |
| NL7400981A (enrdf_load_stackoverflow) | 1974-08-01 |
| AT330249B (de) | 1976-06-25 |
| FR2215764A1 (enrdf_load_stackoverflow) | 1974-08-23 |
| LU69247A1 (enrdf_load_stackoverflow) | 1974-04-10 |
| DK140680B (da) | 1979-10-22 |
| DE2304428A1 (de) | 1974-08-15 |
| DE2304428B2 (de) | 1975-02-27 |
| CH567848A5 (enrdf_load_stackoverflow) | 1975-10-15 |
| SE395100B (sv) | 1977-07-25 |
| BE810375A (fr) | 1974-07-30 |
| ATA1051573A (de) | 1975-09-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |