FR944379A - Improvements to telecommunications systems - Google Patents
Improvements to telecommunications systemsInfo
- Publication number
- FR944379A FR944379A FR944379DA FR944379A FR 944379 A FR944379 A FR 944379A FR 944379D A FR944379D A FR 944379DA FR 944379 A FR944379 A FR 944379A
- Authority
- FR
- France
- Prior art keywords
- telecommunications systems
- telecommunications
- systems
- 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
- H04Q3/526—Optical switching systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US944379XA | 1946-03-14 | 1946-03-14 | |
US654326A US2492136A (en) | 1946-03-14 | 1946-03-14 | Electronic telephone exchange |
Publications (1)
Publication Number | Publication Date |
---|---|
FR944379A true FR944379A (en) | 1949-04-04 |
Family
ID=26788879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR944379D Expired FR944379A (en) | 1946-03-14 | 1947-03-14 | Improvements to telecommunications systems |
Country Status (2)
Country | Link |
---|---|
US (1) | US2492136A (en) |
FR (1) | FR944379A (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR959010A (en) * | 1946-10-04 | 1950-03-23 | ||
FR974379A (en) * | 1947-10-27 | 1951-02-21 | ||
NL163817B (en) * | 1949-10-26 | Huels Chemische Werke Ag | PROCESS FOR PREPARATION OF PREPARATIONS CONTAINING POLYBUTENE-1 AND A FILLER. | |
US2774071A (en) * | 1949-12-24 | 1956-12-11 | Gen Dynamics Corp | Coincidence finding circuit |
BE500226A (en) * | 1949-12-24 | |||
US2773937A (en) * | 1949-12-24 | 1956-12-11 | Gen Dynamics Corp | Electronic signaling and switching system |
BE502796A (en) * | 1950-04-26 | |||
US2934606A (en) * | 1950-09-21 | 1960-04-26 | Stromberg Carlson Co | Selector circuit |
NL191886A (en) * | 1951-05-23 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2185693A (en) * | 1938-02-25 | 1940-01-02 | Bell Telephone Labor Inc | Multiplex signaling system |
BE433923A (en) * | 1938-04-23 | |||
US2263369A (en) * | 1939-02-03 | 1941-11-18 | Hartford Nat Bank & Trust Co | Multiplex telephony system |
US2387018A (en) * | 1942-08-05 | 1945-10-16 | Bell Lab Inc | Communication system |
US2379715A (en) * | 1942-10-09 | 1945-07-03 | Bell Telephone Labor Inc | Communication system |
US2379221A (en) * | 1942-10-09 | 1945-06-26 | Bell Telephone Labor Inc | Communication system |
-
1946
- 1946-03-14 US US654326A patent/US2492136A/en not_active Expired - Lifetime
-
1947
- 1947-03-14 FR FR944379D patent/FR944379A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2492136A (en) | 1949-12-27 |
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