GB1252552A - - Google Patents
Info
- Publication number
- GB1252552A GB1252552A GB1252552DA GB1252552A GB 1252552 A GB1252552 A GB 1252552A GB 1252552D A GB1252552D A GB 1252552DA GB 1252552 A GB1252552 A GB 1252552A
- Authority
- GB
- United Kingdom
- Prior art keywords
- section
- outlets
- control circuit
- choice
- junctions
- 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
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
- H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Exchange Systems With Centralized Control (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691912610 DE1912610C (de) | 1969-03-12 | Schaltungsanordnung fur zentralge steuerte Fernmeldevermittlungsanlagen , insbesondere Fernsprechvermittlungsanlagen, mit Ruckuberlaufleitungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1252552A true GB1252552A (US20080293856A1-20081127-C00150.png) | 1971-11-10 |
Family
ID=5727915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1252552D Expired GB1252552A (US20080293856A1-20081127-C00150.png) | 1969-03-12 | 1970-01-15 |
Country Status (13)
-
1970
- 1970-01-15 GB GB1252552D patent/GB1252552A/en not_active Expired
- 1970-03-02 NL NL7002940A patent/NL163937C/xx not_active IP Right Cessation
- 1970-03-06 CH CH331070A patent/CH505521A/de not_active IP Right Cessation
- 1970-03-07 PL PL13925170A patent/PL80467B1/pl unknown
- 1970-03-09 YU YU56870A patent/YU33685B/xx unknown
- 1970-03-10 AT AT224070A patent/AT304649B/de not_active IP Right Cessation
- 1970-03-10 LU LU60495D patent/LU60495A1/xx unknown
- 1970-03-10 FR FR7008510A patent/FR2037879A5/fr not_active Expired
- 1970-03-10 RO RO7062705A patent/RO68904A/ro unknown
- 1970-03-11 CS CS162470A patent/CS180563B2/cs unknown
- 1970-03-12 BR BR21742670A patent/BR7017426D0/pt unknown
- 1970-03-12 BE BE747257D patent/BE747257A/xx not_active IP Right Cessation
- 1970-03-12 HU HUSI001160 patent/HU166635B/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SU437318A3 (ru) | 1974-07-25 |
| CS180563B2 (en) | 1978-01-31 |
| LU60495A1 (US20080293856A1-20081127-C00150.png) | 1970-05-11 |
| BE747257A (fr) | 1970-09-14 |
| DE1912610B2 (de) | 1971-10-28 |
| AT304649B (de) | 1973-01-10 |
| FR2037879A5 (US20080293856A1-20081127-C00150.png) | 1970-12-31 |
| NL163937C (nl) | 1980-10-15 |
| BR7017426D0 (pt) | 1973-01-09 |
| HU166635B (US20080293856A1-20081127-C00150.png) | 1975-04-28 |
| PL80467B1 (US20080293856A1-20081127-C00150.png) | 1975-08-30 |
| NL7002940A (US20080293856A1-20081127-C00150.png) | 1970-09-15 |
| DE1912610A1 (de) | 1970-09-17 |
| NL163937B (nl) | 1980-05-16 |
| YU33685B (en) | 1977-12-31 |
| RO68904A (ro) | 1982-05-10 |
| CH505521A (de) | 1971-03-31 |
| YU56870A (en) | 1977-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE311543B (US20080293856A1-20081127-C00150.png) | ||
| NL143399B (nl) | Schakelstelsel. | |
| GB1326747A (en) | Telephone switching systems | |
| GB1252552A (US20080293856A1-20081127-C00150.png) | ||
| GB672149A (en) | Improvements in or relating to inter-exchange system | |
| GB1456250A (en) | Matrix control circuit | |
| GB945357A (en) | Improvements in or relating to telecommunication systems | |
| DE2964274D1 (en) | Circuit arrangement for telephonic switching systems, particularly private branch exchanges, with auxiliary data traffic, e.g. with teleprinters | |
| SE7704872L (sv) | Kopplingsanordning for pcm-tidsmultiplexformedlingar | |
| GB897676A (en) | Improvements in or relating to circuit means for selecting a connection path extending through an arrangement of switching stages | |
| GB788595A (en) | Improvements in or relating to automatic telecommunication exchange systems | |
| GB1040833A (en) | Improvements in or relating to telephone signalling systems | |
| JPS5414605A (en) | Forced release system for outgoing station | |
| GB981339A (en) | Improvements in or relating to time division multiplex switching systems | |
| GB1049590A (en) | Selection system for electrical circuits or equipments | |
| GB1134459A (en) | Improvements in or relating to telecommunication exchanges | |
| GB1001846A (en) | Improvements in or relating to time-division multiplex telecommunications systems | |
| GB1265585A (US20080293856A1-20081127-C00150.png) | ||
| GB1030823A (en) | Improvements in or relating to tele-communications exchange systems | |
| GB744124A (en) | Improvements in or relating to telecommunication systems | |
| JPS52120709A (en) | Common line signal system | |
| GB787031A (en) | Improvements in private automatic exchanges | |
| GB1103494A (en) | Improvements in or relating to automatic telephone exchange systems | |
| GB1106319A (en) | Improvements in or relating to telecommunications exchange systems | |
| GB1340268A (en) | Tdm telecommunications exchange systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |