GB949816A - Improvements in or relating to circuit arrangements for automatic switching systems - Google Patents
Improvements in or relating to circuit arrangements for automatic switching systemsInfo
- Publication number
- GB949816A GB949816A GB3690162A GB3690162A GB949816A GB 949816 A GB949816 A GB 949816A GB 3690162 A GB3690162 A GB 3690162A GB 3690162 A GB3690162 A GB 3690162A GB 949816 A GB949816 A GB 949816A
- Authority
- GB
- United Kingdom
- Prior art keywords
- photo
- relay
- light source
- series
- horizontal
- 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
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
- H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL269833 | 1961-10-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB949816A true GB949816A (en) | 1964-02-19 |
Family
ID=19753322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3690162A Expired GB949816A (en) | 1961-10-02 | 1962-09-28 | Improvements in or relating to circuit arrangements for automatic switching systems |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE623078A (de) |
CH (1) | CH395199A (de) |
DE (1) | DE1218533B (de) |
GB (1) | GB949816A (de) |
NL (1) | NL269833A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1276109B (de) * | 1966-08-24 | 1968-08-29 | Telefunken Patent | Koppelfeld fuer Fernmeldeeinrichtungen |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT179323B (de) * | 1952-07-22 | 1954-08-10 | Siemens Ag | Schaltung für koordinatenmäßig angeordnete Leitungen |
DE1036933B (de) * | 1957-01-14 | 1958-08-21 | Siemens Ag | Schaltungsanordnung zur Vermeidung von Doppelverbindungen in Koordinatenwaehlern |
BE570716A (de) * | 1957-08-30 | |||
FR1298882A (fr) * | 1960-09-01 | 1962-07-13 | Ass Elect Ind | Perfectionnements aux systèmes de commutation automatique des télécommunications |
-
0
- BE BE623078D patent/BE623078A/xx unknown
- NL NL269833D patent/NL269833A/xx unknown
-
1962
- 1962-09-28 DE DEN22147A patent/DE1218533B/de active Pending
- 1962-09-28 GB GB3690162A patent/GB949816A/en not_active Expired
- 1962-10-01 CH CH1153162A patent/CH395199A/de unknown
Also Published As
Publication number | Publication date |
---|---|
BE623078A (de) | |
DE1218533B (de) | 1966-06-08 |
NL269833A (de) | |
CH395199A (de) | 1965-07-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1167741A (en) | Photon-coupled Circuit | |
GB1043216A (en) | Electronic switching control circuit | |
GB1146212A (en) | Improvements in or relating to communication systems | |
GB1119000A (en) | Data transmission system | |
GB1068227A (en) | Improvements in or relating to switching networks for use in telecommunications installations | |
GB863388A (en) | Switching circuits | |
GB949816A (en) | Improvements in or relating to circuit arrangements for automatic switching systems | |
GB1104940A (en) | Method of controlling a multi-stage crosspoint arrangement | |
GB979515A (en) | Improvements in or relating to circuit arrangements for automatic switching systems | |
SE327219B (de) | ||
GB1015451A (en) | Improvements in or relating to matrix circuit arrangements | |
GB1456250A (en) | Matrix control circuit | |
US3593035A (en) | Marginal switching arrangement | |
GB1029385A (en) | Circuit arrangement to control cross-point arrangements in telephone systems | |
GB1005549A (en) | Transistor circuits | |
FR2309121A7 (fr) | Dispositif de signalisation de la coupure de circuits d'alimentation en courant continu | |
FR2242792A1 (en) | Lighting installation for large premises - has network of supply and control lines connecting to relays | |
GB1095575A (de) | ||
GB1363464A (en) | Communications switching systems | |
GB1296706A (de) | ||
GB1113078A (en) | Circuit arrangement for a multi-stage regular crosspoint arrangement | |
GB1096243A (en) | Improvements in and relating to switching networks for use in telecommunication exchanges | |
GB1131410A (en) | Improvements in or relating to automatic telephone systems | |
GB1033372A (en) | d.c monitoring circuit | |
GB1178384A (en) | Improvements relating to Automatic Telecommunication Switching Systems. |