BE667730A - - Google Patents
Info
- Publication number
- BE667730A BE667730A BE667730DA BE667730A BE 667730 A BE667730 A BE 667730A BE 667730D A BE667730D A BE 667730DA BE 667730 A BE667730 A BE 667730A
- Authority
- BE
- Belgium
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)
- Data Exchanges In Wide-Area Networks (AREA)
- Exchange Systems With Centralized Control (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB30349/64A GB1120651A (en) | 1964-07-31 | 1964-07-31 | Improvements in or relating to telecommunication exchange systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE667730A true BE667730A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=10306242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE667730D BE667730A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1964-07-31 |
Country Status (5)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3542960A (en) * | 1967-10-12 | 1970-11-24 | Stromberg Carlson Corp | System for selecting a free path through a multi-stage switching matrix having a plurality of paths between each input and each output thereof |
| GB1252526A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1969-04-14 | 1971-11-03 | ||
| JPS5279808A (en) * | 1975-12-26 | 1977-07-05 | Nippon Telegr & Teleph Corp <Ntt> | Double connection and line sources selection by existing switches |
| JPS52135775A (en) * | 1976-05-10 | 1977-11-14 | Hitachi Ltd | Potential detecting circuit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2999131A (en) * | 1956-06-21 | 1961-09-05 | Ericsson Telefon Ab L M | Group selection stage for automatic telephone exchanges |
| NL268865A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1960-09-01 |
-
0
- BE BE667730D patent/BE667730A/xx unknown
-
1964
- 1964-07-31 GB GB30349/64A patent/GB1120651A/en not_active Expired
-
1965
- 1965-07-26 US US474725A patent/US3390236A/en not_active Expired - Lifetime
- 1965-07-30 DE DE19651462285 patent/DE1462285A1/de active Pending
- 1965-07-30 NL NL6509934A patent/NL6509934A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1120651A (en) | 1968-07-24 |
| US3390236A (en) | 1968-06-25 |
| NL6509934A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-02-01 |
| DE1462285A1 (de) | 1969-01-02 |