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 (et) |
Family
ID=9847019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL104217D NL104217C (et) | 1958-03-13 |
Country Status (5)
Country | Link |
---|---|
US (1) | US2953705A (et) |
DE (1) | DE1088620B (et) |
FR (1) | FR1217559A (et) |
GB (1) | GB838799A (et) |
NL (1) | NL104217C (et) |
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 |
US10580610B2 (en) | 2013-03-15 | 2020-03-03 | 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 |
---|---|
FR1217559A (fr) | 1960-05-04 |
GB838799A (en) | 1960-06-22 |
US2953705A (en) | 1960-09-20 |
DE1088620B (de) | 1960-09-08 |