BE560605A - - Google Patents
Info
- Publication number
- BE560605A BE560605A BE560605DA BE560605A BE 560605 A BE560605 A BE 560605A BE 560605D A BE560605D A BE 560605DA BE 560605 A BE560605 A BE 560605A
- Authority
- BE
- Belgium
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
- H04Q3/525—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 using tubes in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electronic Switches (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US617189A US2859284A (en) | 1956-10-19 | 1956-10-19 | Communication switching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE560605A true BE560605A (en:Method) |
Family
ID=24472624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE560605D BE560605A (en:Method) | 1956-10-19 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2859284A (en:Method) |
| BE (1) | BE560605A (en:Method) |
| DE (1) | DE1033734B (en:Method) |
| FR (1) | FR1178709A (en:Method) |
| GB (1) | GB850213A (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL238128A (en:Method) * | 1958-04-15 | |||
| GB945374A (en) | 1960-11-04 | 1963-12-23 | Ass Elect Ind | Improvements relating to switching systems employing co-ordinate switching arrangements of the cross-point type |
| NL274811A (en:Method) * | 1961-03-20 | |||
| US3223978A (en) * | 1962-06-08 | 1965-12-14 | Radiation Inc | End marking switch matrix utilizing negative impedance crosspoints |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE504685A (en:Method) * | 1950-08-08 | |||
| US2722567A (en) * | 1951-02-23 | 1955-11-01 | Automatic Telephone & Elect | Electronic tube switching system |
| NL103264C (en:Method) * | 1955-03-25 |
-
0
- BE BE560605D patent/BE560605A/xx unknown
-
1956
- 1956-10-19 US US617189A patent/US2859284A/en not_active Expired - Lifetime
-
1957
- 1957-07-09 FR FR1178709D patent/FR1178709A/fr not_active Expired
- 1957-07-22 DE DEW21532A patent/DE1033734B/de active Pending
- 1957-10-11 GB GB31825/57A patent/GB850213A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1178709A (fr) | 1959-05-14 |
| US2859284A (en) | 1958-11-04 |
| DE1033734B (de) | 1958-07-10 |
| GB850213A (en) | 1960-10-05 |