GB1463364A - Telecommunications exchange systems - Google Patents
Telecommunications exchange systemsInfo
- Publication number
- GB1463364A GB1463364A GB876874A GB876874A GB1463364A GB 1463364 A GB1463364 A GB 1463364A GB 876874 A GB876874 A GB 876874A GB 876874 A GB876874 A GB 876874A GB 1463364 A GB1463364 A GB 1463364A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wires
- code
- line circuit
- scanner
- gate
- 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
- 238000001514 detection method Methods 0.000 abstract 1
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)
- Telephonic Communication Services (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732311885 DE2311885C3 (de) | 1973-03-09 | 1973-03-09 | Schaltungsanordnung für Fernmelde, insbesondere Fernsprechvermittlungsanlagen mit Teilnehmeranschlußsuchern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1463364A true GB1463364A (en) | 1977-02-02 |
Family
ID=5874348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB876874A Expired GB1463364A (en) | 1973-03-09 | 1974-02-27 | Telecommunications exchange systems |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | AT331311B (enrdf_load_stackoverflow) |
| BE (1) | BE812055A (enrdf_load_stackoverflow) |
| CH (1) | CH567851A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2311885C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2220955A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1463364A (enrdf_load_stackoverflow) |
| IT (1) | IT1011060B (enrdf_load_stackoverflow) |
| LU (1) | LU69580A1 (enrdf_load_stackoverflow) |
| NL (1) | NL7403179A (enrdf_load_stackoverflow) |
| SE (1) | SE397462B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2807225C2 (de) * | 1978-02-20 | 1982-01-07 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Abwicklung von Verbindungsanforderungen in einer zentral gesteuerten Vermittlungsanlage, insbesondere Fernsprechnebenstellenanlage |
-
1973
- 1973-03-09 DE DE19732311885 patent/DE2311885C3/de not_active Expired
-
1974
- 1974-01-15 AT AT32674A patent/AT331311B/de not_active IP Right Cessation
- 1974-02-21 CH CH242974A patent/CH567851A5/xx not_active IP Right Cessation
- 1974-02-27 GB GB876874A patent/GB1463364A/en not_active Expired
- 1974-03-06 FR FR7407596A patent/FR2220955A1/fr not_active Withdrawn
- 1974-03-07 LU LU69580A patent/LU69580A1/xx unknown
- 1974-03-08 BE BE141797A patent/BE812055A/xx unknown
- 1974-03-08 NL NL7403179A patent/NL7403179A/xx unknown
- 1974-03-08 SE SE7403138A patent/SE397462B/xx unknown
- 1974-03-08 IT IT4917874A patent/IT1011060B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2311885B2 (de) | 1975-03-20 |
| IT1011060B (it) | 1977-01-20 |
| NL7403179A (enrdf_load_stackoverflow) | 1974-09-11 |
| DE2311885A1 (de) | 1974-09-26 |
| LU69580A1 (enrdf_load_stackoverflow) | 1974-07-05 |
| FR2220955A1 (enrdf_load_stackoverflow) | 1974-10-04 |
| SE397462B (sv) | 1977-10-31 |
| CH567851A5 (enrdf_load_stackoverflow) | 1975-10-15 |
| ATA32674A (de) | 1975-11-15 |
| BE812055A (fr) | 1974-09-09 |
| DE2311885C3 (de) | 1980-01-31 |
| AT331311B (de) | 1976-08-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |