BE507154A - - Google Patents
Info
- Publication number
- BE507154A BE507154A BE507154DA BE507154A BE 507154 A BE507154 A BE 507154A BE 507154D A BE507154D A BE 507154DA BE 507154 A BE507154 A BE 507154A
- 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
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Gas-Filled Discharge Tubes (AREA)
- Alarm Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB311426X | 1950-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE507154A true BE507154A (en) | 1953-04-10 |
Family
ID=10318647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE507154D BE507154A (en) | 1950-11-16 | 1951-11-16 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2655605A (en) |
| BE (1) | BE507154A (en) |
| CH (1) | CH311426A (en) |
| DE (1) | DE902141C (en) |
| FR (2) | FR1014597A (en) |
| GB (1) | GB748482A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2792525A (en) * | 1952-02-23 | 1957-05-14 | Gen Dynamics Corp | Time selection circuit |
| GB773872A (en) * | 1952-10-29 | 1957-05-01 | Nat Res Dev | Improvements relating to electric switching arrangements |
| NL191136A (en) * | 1953-10-01 | |||
| DE959739C (en) * | 1954-12-14 | 1957-03-14 | Siemens Ag | Circuit arrangement in telecommunications, in particular telephone systems, for controlling a switching device by means of two gas discharge tubes burning at the same time |
| FR1172446A (en) * | 1957-04-04 | 1959-02-10 | Cie Ind Des Telephones | Electronic locking selection device |
-
1950
- 1950-02-17 FR FR1014597D patent/FR1014597A/en not_active Expired
- 1950-11-16 GB GB28046/50A patent/GB748482A/en not_active Expired
-
1951
- 1951-11-15 US US256494A patent/US2655605A/en not_active Expired - Lifetime
- 1951-11-16 CH CH311426D patent/CH311426A/en unknown
- 1951-11-16 FR FR62147D patent/FR62147E/en not_active Expired
- 1951-11-16 DE DEI5063A patent/DE902141C/en not_active Expired
- 1951-11-16 BE BE507154D patent/BE507154A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH311426A (en) | 1955-11-30 |
| DE902141C (en) | 1954-01-18 |
| FR62147E (en) | 1955-06-10 |
| GB748482A (en) | 1956-05-02 |
| US2655605A (en) | 1953-10-13 |
| FR1014597A (en) | 1952-08-19 |