BE537739A - - Google Patents
Info
- Publication number
- BE537739A BE537739A BE537739DA BE537739A BE 537739 A BE537739 A BE 537739A BE 537739D A BE537739D A BE 537739DA BE 537739 A BE537739 A BE 537739A
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/52—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of gas-filled tubes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (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 |
|---|---|---|---|
| US426338A US2883467A (en) | 1954-04-29 | 1954-04-29 | Communication switching system employing gas tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE537739A true BE537739A (de) |
Family
ID=23690375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE537739D BE537739A (de) | 1954-04-29 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2883467A (de) |
| BE (1) | BE537739A (de) |
| CH (1) | CH331709A (de) |
| DE (1) | DE1033269B (de) |
| FR (1) | FR1116827A (de) |
| GB (1) | GB770936A (de) |
| NL (1) | NL92904C (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL112697C (de) * | 1957-09-26 | |||
| BE623647A (de) * | 1960-03-23 | 1900-01-01 | ||
| BE629655A (de) * | 1962-03-15 | |||
| US3557317A (en) * | 1968-06-10 | 1971-01-19 | Amtron | Telephone switchboard with universal line/trunk circuits |
| 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 (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2023589A (en) * | 1934-05-26 | 1935-12-10 | Bell Telephone Labor Inc | Switching mechanism |
| US2291752A (en) * | 1941-02-05 | 1942-08-04 | Bell Telephone Labor Inc | Selecting system |
| US2564125A (en) * | 1941-02-08 | 1951-08-14 | Bell Telephone Labor Inc | Selecting system |
| US2310452A (en) * | 1941-06-05 | 1943-02-09 | Bell Telephone Labor Inc | Switching system |
| NL160049B (nl) * | 1950-01-06 | Inst Francais Du Petrole | Inrichting voor het uitvoeren van werkzaamheden aan de kabel in een onder water gelegen aardolieput. | |
| NL78088C (de) * | 1950-08-08 | |||
| US2629021A (en) * | 1950-12-19 | 1953-02-17 | Bell Telephone Labor Inc | Coordinate switching and lock-out circuit in interpolated speech receiving system |
| BE507632A (de) * | 1950-12-19 | |||
| US2722567A (en) * | 1951-02-23 | 1955-11-01 | Automatic Telephone & Elect | Electronic tube switching system |
| NL103264C (de) * | 1955-03-25 |
-
0
- BE BE537739D patent/BE537739A/xx unknown
- NL NL92904D patent/NL92904C/xx active
-
1954
- 1954-04-29 US US426338A patent/US2883467A/en not_active Expired - Lifetime
- 1954-11-30 FR FR1116827D patent/FR1116827A/fr not_active Expired
- 1954-12-17 DE DEW15578A patent/DE1033269B/de active Pending
-
1955
- 1955-02-28 CH CH331709D patent/CH331709A/de unknown
- 1955-04-22 GB GB11694/55A patent/GB770936A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1116827A (fr) | 1956-05-14 |
| GB770936A (en) | 1957-03-27 |
| US2883467A (en) | 1959-04-21 |
| DE1033269B (de) | 1958-07-03 |
| CH331709A (de) | 1958-07-31 |
| NL92904C (de) |