NL235805A - - Google Patents
Info
- Publication number
- NL235805A NL235805A NL235805DA NL235805A NL 235805 A NL235805 A NL 235805A NL 235805D A NL235805D A NL 235805DA NL 235805 A NL235805 A NL 235805A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/38—Cold-cathode tubes
- H01J17/48—Cold-cathode tubes with more than one cathode or anode, e.g. sequence-discharge tube, counting tube, dekatron
-
- 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
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K29/00—Pulse counters comprising multi-stable elements, e.g. for ternary scale, for decimal scale; Analogous frequency dividers
-
- 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
- H04Q3/521—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 semiconductors in the switching stages
-
- 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
- Computer Networks & Wireless Communication (AREA)
- Engineering & Computer Science (AREA)
- Interface Circuits In Exchanges (AREA)
- Gas-Filled Discharge Tubes (AREA)
- Exchange Systems With Centralized Control (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Devices For Supply Of Signal Current (AREA)
- Electrotherapy Devices (AREA)
- Structure Of Telephone Exchanges (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Lasers (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9307/52A GB734345A (en) | 1952-04-10 | 1952-04-10 | Improvements in or relating to electric signal switching circuits and cold cathode gas-filled discharge tubes therefor |
| GB4473/55A GB788593A (en) | 1952-04-10 | 1953-09-02 | Improvements in or relating to automatic telecommunication exchange systems |
| GB33617/53A GB788929A (en) | 1952-04-10 | 1953-12-03 | Improvements in or relating to automatic telecommunication exchanges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL235805A true NL235805A (it) |
Family
ID=47073574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL235805D NL235805A (it) | 1952-04-10 |
Country Status (7)
| Country | Link |
|---|---|
| US (3) | US2775722A (it) |
| BE (3) | BE519096A (it) |
| CH (1) | CH318619A (it) |
| DE (5) | DE1021497B (it) |
| FR (4) | FR1079163A (it) |
| GB (5) | GB734345A (it) |
| NL (1) | NL235805A (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS3620681B1 (it) * | 1957-07-08 | 1961-10-28 | ||
| GB967252A (en) * | 1960-05-25 | 1964-08-19 | Pye Ltd | Automatic telephone systems |
| US3205312A (en) * | 1960-12-23 | 1965-09-07 | Gen Dynamics Corp | Off-hook detector |
| ES292363A1 (es) * | 1962-10-15 | 1963-12-01 | Standard Electrica Sa | Sistema telefënico conmutador electrënico |
| US3350602A (en) * | 1965-02-11 | 1967-10-31 | Eg & G Inc | Gaseous-discharge device having a trigger electrode and a light producing spark gap to facilitate breakdown between the trigger electrode and one of the principal electrodes |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1738169A (en) * | 1926-05-08 | 1929-12-03 | Old Colony Trust Company | Rectifier |
| US1834072A (en) * | 1928-07-04 | 1931-12-01 | Telefunken Gmbh | Glow lamp |
| US2103022A (en) * | 1933-08-23 | 1937-12-21 | Hazeltine Corp | Gaseous discharge tube |
| US2293570A (en) * | 1940-11-07 | 1942-08-18 | Bell Telephone Labor Inc | Amplifier using gas-filled tube |
| US2309525A (en) * | 1941-01-21 | 1943-01-26 | Bell Telephone Labor Inc | Electric signaling |
| US2294910A (en) * | 1941-03-26 | 1942-09-08 | Bell Telephone Labor Inc | Signaling and communication system |
| US2387018A (en) * | 1942-08-05 | 1945-10-16 | Bell Lab Inc | Communication system |
| US2419485A (en) * | 1943-06-03 | 1947-04-22 | Ncr Co | Electronic device |
| US2427533A (en) * | 1943-12-31 | 1947-09-16 | Research Corp | Electronic switching device |
| FR944842A (it) * | 1947-03-26 | 1949-05-02 | ||
| US2490833A (en) * | 1947-04-26 | 1949-12-13 | Fed Telecomm Labs Inc | All electronic line finder and selector system |
| US2579306A (en) * | 1948-03-05 | 1951-12-18 | Bell Telephone Labor Inc | Multielectrode gaseous discharge devices |
| DE812933C (de) * | 1949-04-26 | 1951-09-06 | Siemens & Halske A G | Schaltungsanordnung fuer Nullfrequenzruf und -wahl |
| BE500226A (it) * | 1949-12-24 | |||
| NL161618B (nl) * | 1950-06-12 | Philips Nv | Werkwijze ter vervaardiging van een geintegreerde halfgeleiderinrichting en geintegreerde halfgeleider- inrichting vervaardigd volgens de werkwijze. | |
| US2565103A (en) * | 1950-12-19 | 1951-08-21 | Pierre M G Toulon | Switching tube |
| BE509052A (it) * | 1951-02-23 |
-
0
- BE BE531570D patent/BE531570A/xx unknown
- DE DENDAT1071765D patent/DE1071765B/de active Pending
- NL NL235805D patent/NL235805A/xx unknown
- BE BE533837D patent/BE533837A/xx unknown
- BE BE519096D patent/BE519096A/xx unknown
-
1952
- 1952-04-10 GB GB9307/52A patent/GB734345A/en not_active Expired
-
1953
- 1953-04-08 US US347486A patent/US2775722A/en not_active Expired - Lifetime
- 1953-04-10 CH CH318619D patent/CH318619A/fr unknown
- 1953-04-10 DE DEI7121A patent/DE1021497B/de active Pending
- 1953-04-10 FR FR1079163D patent/FR1079163A/fr not_active Expired
- 1953-09-02 GB GB4474/55A patent/GB788594A/en not_active Expired
- 1953-09-02 GB GB4475/55A patent/GB788595A/en not_active Expired
- 1953-09-02 GB GB24260/53A patent/GB788591A/en not_active Expired
- 1953-09-02 GB GB24261/53A patent/GB788592A/en not_active Expired
-
1954
- 1954-08-25 US US452034A patent/US2843782A/en not_active Expired - Lifetime
- 1954-09-01 DE DEI9088A patent/DE1047258B/de active Pending
- 1954-09-01 DE DEI10858A patent/DE1047259B/de active Pending
- 1954-09-02 FR FR67471D patent/FR67471E/fr not_active Expired
- 1954-09-02 FR FR67472D patent/FR67472E/fr not_active Expired
- 1954-11-26 US US471444A patent/US2911475A/en not_active Expired - Lifetime
- 1954-12-01 FR FR68806D patent/FR68806E/fr not_active Expired
- 1954-12-03 DE DEI9454A patent/DE1052474B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH318619A (fr) | 1957-01-15 |
| GB734345A (en) | 1955-07-27 |
| DE1021497B (de) | 1957-12-27 |
| GB788595A (en) | 1958-01-02 |
| GB788594A (en) | 1958-01-02 |
| FR67472E (fr) | 1958-03-13 |
| FR67471E (fr) | 1958-03-13 |
| US2775722A (en) | 1956-12-25 |
| FR1079163A (fr) | 1954-11-26 |
| FR68806E (fr) | 1958-06-10 |
| DE1052474B (de) | 1959-03-12 |
| US2843782A (en) | 1958-07-15 |
| DE1047258B (de) | 1958-12-24 |
| BE531570A (it) | |
| BE533837A (it) | |
| DE1047259B (de) | 1958-12-24 |
| US2911475A (en) | 1959-11-03 |
| BE519096A (it) | |
| GB788592A (en) | 1958-01-02 |
| GB788591A (en) | 1958-01-02 |
| DE1071765B (de) | 1959-12-24 |