GB1450457A - Telecommunication exchange systems - Google Patents
Telecommunication exchange systemsInfo
- Publication number
- GB1450457A GB1450457A GB1074*[A GB1074A GB1450457A GB 1450457 A GB1450457 A GB 1450457A GB 1074 A GB1074 A GB 1074A GB 1450457 A GB1450457 A GB 1450457A
- Authority
- GB
- United Kingdom
- Prior art keywords
- check
- master
- equipment
- slave
- path
- 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
- 238000002347 injection Methods 0.000 abstract 4
- 239000007924 injection Substances 0.000 abstract 4
- 238000001514 detection method Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 230000003213 activating effect Effects 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1074*[A GB1450457A (en) | 1974-01-02 | 1974-01-02 | Telecommunication exchange systems |
| ZA00748185A ZA748185B (en) | 1974-01-02 | 1974-12-23 | Telecommunication exchange systems |
| FR7443391A FR2256616B1 (enrdf_load_stackoverflow) | 1974-01-02 | 1974-12-31 | |
| AU77021/74A AU494536B2 (en) | 1974-01-02 | 1974-12-31 | Telecommunication exchange systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1074*[A GB1450457A (en) | 1974-01-02 | 1974-01-02 | Telecommunication exchange systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1450457A true GB1450457A (en) | 1976-09-22 |
Family
ID=9696743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1074*[A Expired GB1450457A (en) | 1974-01-02 | 1974-01-02 | Telecommunication exchange systems |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR2256616B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1450457A (enrdf_load_stackoverflow) |
| ZA (1) | ZA748185B (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0025225A1 (en) * | 1979-09-10 | 1981-03-18 | Western Electric Company, Incorporated | Broadcast and alternate message time slot interchanger |
| GB2126050A (en) * | 1982-08-30 | 1984-03-14 | Western Electric Co | Maintenance of stored program controlled switching systems |
| GB2141606A (en) * | 1983-06-16 | 1984-12-19 | Mitel Corp | Switching system loopback test circuit |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2367399A1 (fr) * | 1976-10-05 | 1978-05-05 | Materiel Telephonique | Central telephonique a commutation temporelle comportant un dispositif d'emission de signaux de service |
| GB1583633A (en) * | 1977-03-02 | 1981-01-28 | Int Standard Electric Corp | Distributed control for switching system |
| FR2409651A1 (fr) * | 1977-11-18 | 1979-06-15 | Constr Telephoniques | Dispositif de surveillance de chemins associe a un reseau de connexion a commutation temporelle de signaux codes |
| FR2467523A1 (fr) * | 1979-10-12 | 1981-04-17 | Thomson Csf | Systeme de controle d'un reseau de connexion |
| US4296492A (en) * | 1979-12-26 | 1981-10-20 | Bell Telephone Laboratories, Incorporated | Continuity verification arrangement |
| JPH04348630A (ja) * | 1991-05-27 | 1992-12-03 | Fujitsu Ltd | 信号の伝送監視が可能な直列/並列変換部及び並列/直列変換部を備えたディジタル信号伝送装置 |
| ES2204907T3 (es) * | 1993-09-29 | 2004-05-01 | Siemens Aktiengesellschaft | Procedimiento para la verificacion de los elementos de conmutacion de una unidad de fases espaciales de una red de acoplamiento de una instalacion digital de conmutacion de telecomunicaciones en modo multiple por division de tiempo. |
-
1974
- 1974-01-02 GB GB1074*[A patent/GB1450457A/en not_active Expired
- 1974-12-23 ZA ZA00748185A patent/ZA748185B/xx unknown
- 1974-12-31 FR FR7443391A patent/FR2256616B1/fr not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0025225A1 (en) * | 1979-09-10 | 1981-03-18 | Western Electric Company, Incorporated | Broadcast and alternate message time slot interchanger |
| GB2126050A (en) * | 1982-08-30 | 1984-03-14 | Western Electric Co | Maintenance of stored program controlled switching systems |
| GB2141606A (en) * | 1983-06-16 | 1984-12-19 | Mitel Corp | Switching system loopback test circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| AU7702174A (en) | 1976-07-01 |
| FR2256616B1 (enrdf_load_stackoverflow) | 1983-02-25 |
| ZA748185B (en) | 1976-01-28 |
| FR2256616A1 (enrdf_load_stackoverflow) | 1975-07-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| 48S | Specification amended (sect. 8/1949) | ||
| SP | Amendment (slips) printed | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19921231 |