GB1329654A - Telecommunications exchange systems - Google Patents
Telecommunications exchange systemsInfo
- Publication number
- GB1329654A GB1329654A GB1329654DA GB1329654A GB 1329654 A GB1329654 A GB 1329654A GB 1329654D A GB1329654D A GB 1329654DA GB 1329654 A GB1329654 A GB 1329654A
- Authority
- GB
- United Kingdom
- Prior art keywords
- potential
- outlet
- timers
- transistor
- selector
- 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
- 238000004804 winding Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 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)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702047878 DE2047878B2 (de) | 1970-09-29 | 1970-09-29 | Schaltungsanordnung fuer fernmelde vermittlungsan lagen, insbesondere fernsprech vermittlungsanlagen, mit pruef und belastungsstromkreisen |
| GB4435671 | 1971-09-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1329654A true GB1329654A (en) | 1973-09-12 |
Family
ID=25759798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1329654D Expired GB1329654A (en) | 1970-09-29 | 1971-09-23 | Telecommunications exchange systems |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT324440B (de) |
| BE (1) | BE773272A (de) |
| CH (1) | CH534993A (de) |
| DE (1) | DE2047878B2 (de) |
| FR (1) | FR2108587A5 (de) |
| GB (1) | GB1329654A (de) |
| LU (1) | LU63962A1 (de) |
| NL (1) | NL7113374A (de) |
| SE (1) | SE379141B (de) |
-
1970
- 1970-09-29 DE DE19702047878 patent/DE2047878B2/de not_active Withdrawn
-
1971
- 1971-09-03 CH CH1291871A patent/CH534993A/de not_active IP Right Cessation
- 1971-09-17 AT AT811671A patent/AT324440B/de not_active IP Right Cessation
- 1971-09-23 GB GB1329654D patent/GB1329654A/en not_active Expired
- 1971-09-27 LU LU63962D patent/LU63962A1/xx unknown
- 1971-09-27 FR FR7134606A patent/FR2108587A5/fr not_active Expired
- 1971-09-29 NL NL7113374A patent/NL7113374A/xx unknown
- 1971-09-29 SE SE7112351A patent/SE379141B/xx unknown
- 1971-09-29 BE BE773272A patent/BE773272A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2047878B2 (de) | 1971-07-08 |
| DE2047878A1 (de) | 1971-07-08 |
| BE773272A (fr) | 1972-03-29 |
| AT324440B (de) | 1975-08-25 |
| NL7113374A (de) | 1972-04-04 |
| FR2108587A5 (de) | 1972-05-19 |
| CH534993A (de) | 1973-03-15 |
| LU63962A1 (de) | 1972-03-01 |
| SE379141B (de) | 1975-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB717106A (en) | Pulse amplifiers using transistors | |
| GB1081405A (en) | Improvements in or relating to pulse sequence generators | |
| GB1043216A (en) | Electronic switching control circuit | |
| US3846648A (en) | Solid-state timer switch providing ac power to a load for a predetermined time after a main source of power is removed | |
| BE750383A (fr) | Dispositif de reseau de connexion, temporel a etages utilisablenotamment en commutation telephonique | |
| GB1342956A (en) | Electric valve switching matrices | |
| GB961846A (en) | Timing circuit for defining long intervals of time | |
| GB1329654A (en) | Telecommunications exchange systems | |
| GB813860A (en) | Improvements in or relating to transistor circuits | |
| NL299583A (de) | ||
| GB919433A (en) | Electrical timer control system | |
| GB926420A (en) | Improvements in and relating to electrical pulse circuits | |
| GB1207559A (en) | Automatic switching network | |
| GB1181304A (en) | An Electronic Timer | |
| US3588367A (en) | Monitor and alarm circuit for self-seeking network | |
| JPS5333071A (en) | Complementary type insulated gate semiconductor circuit | |
| GB896759A (en) | Improvements in or relating to electric pulse circuits | |
| US3621144A (en) | Call-originating control for electronic telephone systems | |
| GB1185928A (en) | Ringing Circuit | |
| SU1267456A1 (ru) | Устройство вызова объектов | |
| GB923327A (en) | Improvements relating to electric pulse counting circuits | |
| GB994800A (en) | Electric control device | |
| GB1116471A (en) | Electric pulse delay and regeneration circuits | |
| SU1023430A1 (ru) | Коммутирующее устройство | |
| GB926465A (en) | Improvements in or relating to electrical traffic analysers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |