GB1197857A - Improvements in or relating to Stored Programme Controlled Automatic Telecommunications Exchange Systems - Google Patents
Improvements in or relating to Stored Programme Controlled Automatic Telecommunications Exchange SystemsInfo
- Publication number
- GB1197857A GB1197857A GB1390868A GB1390868A GB1197857A GB 1197857 A GB1197857 A GB 1197857A GB 1390868 A GB1390868 A GB 1390868A GB 1390868 A GB1390868 A GB 1390868A GB 1197857 A GB1197857 A GB 1197857A
- Authority
- GB
- United Kingdom
- Prior art keywords
- exchange
- designation
- groups
- wanted
- characters
- 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
- 230000000717 retained effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES0108989 | 1967-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1197857A true GB1197857A (en) | 1970-07-08 |
Family
ID=7529192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1390868A Expired GB1197857A (en) | 1967-03-23 | 1968-03-22 | Improvements in or relating to Stored Programme Controlled Automatic Telecommunications Exchange Systems |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE712652A (https=) |
| CH (1) | CH468138A (https=) |
| DE (1) | DE1512917B2 (https=) |
| FR (1) | FR1557433A (https=) |
| GB (1) | GB1197857A (https=) |
| NL (1) | NL6804127A (https=) |
-
1967
- 1967-03-23 DE DE19671512917 patent/DE1512917B2/de active Pending
-
1968
- 1968-03-12 CH CH364368A patent/CH468138A/de unknown
- 1968-03-22 GB GB1390868A patent/GB1197857A/en not_active Expired
- 1968-03-22 FR FR1557433D patent/FR1557433A/fr not_active Expired
- 1968-03-22 BE BE712652D patent/BE712652A/xx unknown
- 1968-03-22 NL NL6804127A patent/NL6804127A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH468138A (de) | 1969-01-31 |
| BE712652A (https=) | 1968-09-23 |
| NL6804127A (https=) | 1968-09-24 |
| DE1512917A1 (de) | 1969-06-12 |
| FR1557433A (https=) | 1969-02-14 |
| DE1512917B2 (de) | 1970-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES8201787A1 (es) | Perfeccionamientos en sistemas de intercambio y de difusion de informaciones por medio de la red telefonica | |
| GB1058893A (en) | Improvements in or relating to switching networks for use in telecommunications installations | |
| GB1046880A (en) | Improvements in or relating to electric circuit arrangements for use in telecommunications systems | |
| GB847234A (en) | Improvements in or relating to time division multiplex circuits | |
| GB737866A (en) | Improvements in or relating to automatic telecommunication exchanges | |
| GB1001903A (en) | Improvements in or relating to automatic telecommunication exchanges | |
| GB1417519A (en) | Communication systems | |
| GB1197857A (en) | Improvements in or relating to Stored Programme Controlled Automatic Telecommunications Exchange Systems | |
| DE3772891D1 (de) | System zum anschluss von telefonteilnehmern, rund um eine digitale zeitmultiplexvermittlungsanlage gestaltet. | |
| GB1130557A (en) | Improvements in or relating to telecommunications exchange systems | |
| GB1162484A (en) | Unit for Selective Blocking of Subscribers for Telephone Exchanges. | |
| GB1467166A (en) | Line switching system | |
| GB804042A (en) | Improvements in or relating to telephone systems | |
| GB1118589A (en) | Improvements in or relating to telecommunications systems | |
| GB1029204A (en) | Improvements in or relating to telephone switching systems | |
| GB1252325A (https=) | ||
| SE311939B (https=) | ||
| GB1015359A (en) | Telephone switching systems | |
| GB1402826A (en) | Pcm tdm telecommunications systems | |
| GB1017790A (en) | Improvements in or relating to telecommunications systems | |
| SE314412B (https=) | ||
| GB1222793A (en) | Improvements in or relating to centrally controlled exchange systems | |
| GB1311870A (en) | Telecommunication systems | |
| GB1453895A (en) | Telecommunication switching systems | |
| GB1494784A (en) | Telecommunications systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |