FR1178709A - Système de commutation de communications - Google Patents
Système de commutation de communicationsInfo
- Publication number
- FR1178709A FR1178709A FR1178709DA FR1178709A FR 1178709 A FR1178709 A FR 1178709A FR 1178709D A FR1178709D A FR 1178709DA FR 1178709 A FR1178709 A FR 1178709A
- Authority
- FR
- France
- Prior art keywords
- switching system
- communications switching
- communications
- switching
- 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
- 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 |
---|---|
FR1178709A true FR1178709A (fr) | 1959-05-14 |
Family
ID=24472624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1178709D Expired FR1178709A (fr) | 1956-10-19 | 1957-07-09 | Système de commutation de communications |
Country Status (5)
Country | Link |
---|---|
US (1) | US2859284A (fr) |
BE (1) | BE560605A (fr) |
DE (1) | DE1033734B (fr) |
FR (1) | FR1178709A (fr) |
GB (1) | GB850213A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL238128A (fr) * | 1958-04-15 | |||
NL274811A (fr) * | 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 (fr) * | 1950-08-08 | |||
US2722567A (en) * | 1951-02-23 | 1955-11-01 | Automatic Telephone & Elect | Electronic tube switching system |
BE546282A (fr) * | 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 |
---|---|
US2859284A (en) | 1958-11-04 |
GB850213A (en) | 1960-10-05 |
BE560605A (fr) | |
DE1033734B (de) | 1958-07-10 |
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