BE546556A - - Google Patents
Info
- Publication number
- BE546556A BE546556A BE546556DA BE546556A BE 546556 A BE546556 A BE 546556A BE 546556D A BE546556D A BE 546556DA BE 546556 A BE546556 A BE 546556A
- 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)
- Devices For Supply Of Signal Current (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US504433A US2944114A (en) | 1955-04-28 | 1955-04-28 | Communication switching system employing gas tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE546556A true BE546556A (it) |
Family
ID=24006237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE546556D BE546556A (it) | 1955-04-28 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2944114A (it) |
| BE (1) | BE546556A (it) |
| DE (1) | DE1037523B (it) |
| FR (1) | FR1147140A (it) |
| GB (1) | GB788837A (it) |
| NL (1) | NL104061C (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3711834A (en) * | 1971-03-29 | 1973-01-16 | Gen Dynamics Corp | Matrix switch having isolation resistors |
| US3713105A (en) * | 1971-03-29 | 1973-01-23 | Gen Dynamics Corp | Wide-band, high-frequency matrix switch |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2291752A (en) * | 1941-02-05 | 1942-08-04 | Bell Telephone Labor Inc | Selecting system |
| US2676210A (en) * | 1948-08-11 | 1954-04-20 | Hartford Nat Bank & Trust Co | Potential comparing selector circuit |
| BE504685A (it) * | 1950-08-08 | |||
| BE507632A (it) * | 1950-12-19 | |||
| US2769865A (en) * | 1951-02-20 | 1956-11-06 | Automatic Elect Lab | Electronic telephone systems |
| US2722567A (en) * | 1951-02-23 | 1955-11-01 | Automatic Telephone & Elect | Electronic tube switching system |
| US2787666A (en) * | 1954-07-07 | 1957-04-02 | Siemens Brothers & Co Ltd | Automatic selecting systems |
-
0
- BE BE546556D patent/BE546556A/xx unknown
- NL NL104061D patent/NL104061C/xx active
-
1955
- 1955-04-28 US US504433A patent/US2944114A/en not_active Expired - Lifetime
-
1956
- 1956-02-27 FR FR1147140D patent/FR1147140A/fr not_active Expired
- 1956-03-22 DE DEW18706A patent/DE1037523B/de active Pending
- 1956-04-27 GB GB12992/56A patent/GB788837A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1147140A (fr) | 1957-11-19 |
| DE1037523B (de) | 1958-08-28 |
| US2944114A (en) | 1960-07-05 |
| GB788837A (en) | 1958-01-08 |
| NL104061C (it) |