BE515833A - - Google Patents
Info
- Publication number
- BE515833A BE515833A BE515833DA BE515833A BE 515833 A BE515833 A BE 515833A BE 515833D A BE515833D A BE 515833DA BE 515833 A BE515833 A BE 515833A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/02—Details
- H05B41/04—Starting switches
- H05B41/10—Starting switches magnetic only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US258891A US2716716A (en) | 1951-11-29 | 1951-11-29 | Cathode containing a supply of an electron-emissive material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE515833A true BE515833A (xx) |
Family
ID=22982581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE515833D BE515833A (xx) | 1951-11-29 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US2716716A (xx) |
| BE (1) | BE515833A (xx) |
| CH (1) | CH314776A (xx) |
| DE (1) | DE948726C (xx) |
| ES (1) | ES206484A1 (xx) |
| FR (1) | FR1068151A (xx) |
| GB (1) | GB709367A (xx) |
| NL (2) | NL91131C (xx) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE519027A (xx) * | 1952-04-09 | |||
| BE525821A (xx) * | 1953-01-19 | |||
| US2840751A (en) * | 1953-05-28 | 1958-06-24 | Westinghouse Electric Corp | Electrode coating composition and electrode for cold cathode gas discharge lamp |
| US2899592A (en) * | 1953-11-18 | 1959-08-11 | coppola | |
| DE1037598B (de) * | 1953-11-28 | 1958-08-28 | Siemens Ag | Vorratskathode fuer elektrische Entladungsgefaesse |
| NL85507C (xx) * | 1953-12-22 | |||
| NL94233C (xx) * | 1954-12-06 | |||
| US2939990A (en) * | 1956-05-21 | 1960-06-07 | Int Standard Electric Corp | Oxide cathode for amplifier tubes |
| BE561832A (xx) * | 1956-10-24 | |||
| DE1189661B (de) * | 1963-09-18 | 1965-03-25 | Siemens Ag | Vorratskathode fuer elektrische Entladungsgefaesse und Verfahren zu ihrer Herstellung |
| US4273683A (en) * | 1977-12-16 | 1981-06-16 | Hitachi, Ltd. | Oxide cathode and process for production thereof |
| JPS5488059A (en) * | 1977-12-26 | 1979-07-12 | Hitachi Ltd | Thermion emission cathode |
| DE2822665A1 (de) * | 1978-05-05 | 1979-11-08 | Bbc Brown Boveri & Cie | Gluehkathodenmaterial |
| JPS5566819A (en) * | 1978-11-15 | 1980-05-20 | Hitachi Ltd | Oxide cathode for electron tube |
| US4308178A (en) * | 1979-09-17 | 1981-12-29 | North American Philips Consumer Electronics Corp. | Thermionic cathode emitter coating |
| CN110749645B (zh) * | 2018-07-24 | 2021-10-01 | 中国科学院上海硅酸盐研究所 | 一种用于辉光放电质谱分析的笼状进样装置及样品测试方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2121589A (en) * | 1934-06-28 | 1938-06-21 | Westinghouse Electric & Mfg Co | Emissive incandescent cathode |
| US2147447A (en) * | 1936-09-21 | 1939-02-14 | Siemens Ag | Glow cathode |
| BE486002A (xx) * | 1947-11-26 |
-
0
- NL NLAANVRAGE7112443,A patent/NL174029B/xx unknown
- NL NL91131D patent/NL91131C/xx active
- BE BE515833D patent/BE515833A/xx unknown
-
1951
- 1951-11-29 US US258891A patent/US2716716A/en not_active Expired - Lifetime
-
1952
- 1952-11-25 DE DEN6395A patent/DE948726C/de not_active Expired
- 1952-11-26 GB GB29948/52A patent/GB709367A/en not_active Expired
- 1952-11-26 ES ES0206484A patent/ES206484A1/es not_active Expired
- 1952-11-27 CH CH314776D patent/CH314776A/de unknown
- 1952-11-27 FR FR1068151D patent/FR1068151A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB709367A (en) | 1954-05-19 |
| US2716716A (en) | 1955-08-30 |
| NL174029B (nl) | |
| NL91131C (xx) | |
| FR1068151A (fr) | 1954-06-23 |
| ES206484A1 (es) | 1953-01-16 |
| CH314776A (de) | 1956-06-30 |
| DE948726C (de) | 1956-09-06 |