NL104217C - - Google Patents
Info
- Publication number
- NL104217C NL104217C NL104217DA NL104217C NL 104217 C NL104217 C NL 104217C NL 104217D A NL104217D A NL 104217DA NL 104217 C NL104217 C NL 104217C
- 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
- H01J17/02—Details
- H01J17/20—Selection of substances for gas fillings; Specified operating pressures or temperatures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/50—Thermionic-cathode tubes
- H01J17/52—Thermionic-cathode tubes with one cathode and one anode
- H01J17/54—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes
- H01J17/56—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes for preventing and then permitting ignition, but thereafter having no control
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8165/58A GB838799A (en) | 1958-03-13 | 1958-03-13 | Improvements in or relating to hydrogen filled thermionic valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL104217C true NL104217C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=9847019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL104217D NL104217C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1958-03-13 |
Country Status (5)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB962681A (en) * | 1962-04-30 | 1964-07-01 | M O Valve Co Ltd | Improvements in or relating to gas filled thermionic valves |
| GB1118565A (en) * | 1964-10-24 | 1968-07-03 | M O Valve Co Ltd | Improvements in or relating to gas-filled electric discharge devices |
| US4016445A (en) * | 1975-11-28 | 1977-04-05 | Gte Sylvania Incorporated | Deuterium arc lamp |
| GB2176337B (en) * | 1985-06-04 | 1990-02-14 | English Electric Valve Co Ltd | Metal vapour laser apparatus |
| CN103681172B (zh) * | 2012-09-11 | 2015-12-30 | 昆山国力真空电器有限公司 | 用于闸流管的电子发射组合体 |
| WO2014143100A1 (en) | 2013-03-15 | 2014-09-18 | General Electric Company | Cold-cathode switching device and converter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2291864A (en) * | 1941-06-28 | 1942-08-04 | Electronic Res Corp | Electric discharge device |
| US2518879A (en) * | 1945-02-03 | 1950-08-15 | Kenneth J Germeshausen | Hydrogen thyratron |
| US2777086A (en) * | 1952-07-26 | 1957-01-08 | Westinghouse Electric Corp | Cathode |
| NL183759B (nl) * | 1952-12-22 | Teijin Ltd | Werkwijze voor de bereiding van hydroxycholecalciferolderivaten met geneeskrachtige werking, alsmede farmaceutische preparaten die deze derivaten bevatten. |
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0
- NL NL104217D patent/NL104217C/xx active
-
1958
- 1958-03-13 GB GB8165/58A patent/GB838799A/en not_active Expired
-
1959
- 1959-02-18 US US794045A patent/US2953705A/en not_active Expired - Lifetime
- 1959-02-26 FR FR787831A patent/FR1217559A/fr not_active Expired
- 1959-03-12 DE DEM40789A patent/DE1088620B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1088620B (de) | 1960-09-08 |
| FR1217559A (fr) | 1960-05-04 |
| US2953705A (en) | 1960-09-20 |
| GB838799A (en) | 1960-06-22 |