FR1060976A - Thermionic cathode - Google Patents
Thermionic cathodeInfo
- Publication number
- FR1060976A FR1060976A FR1060976DA FR1060976A FR 1060976 A FR1060976 A FR 1060976A FR 1060976D A FR1060976D A FR 1060976DA FR 1060976 A FR1060976 A FR 1060976A
- Authority
- FR
- France
- Prior art keywords
- thermionic cathode
- thermionic
- cathode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
- H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
- H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
-
- 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
- H01J1/14—Solid thermionic cathodes characterised by the material
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1684051A GB714429A (en) | 1951-07-16 | 1951-07-16 | Improvements in or relating to thermionic cathodes |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1060976A true FR1060976A (en) | 1954-04-07 |
Family
ID=10084624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1060976D Expired FR1060976A (en) | 1951-07-16 | 1952-07-16 | Thermionic cathode |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR1060976A (en) |
GB (1) | GB714429A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2438338A1 (en) * | 1978-10-06 | 1980-04-30 | Philips Nv | HIGH PRESSURE SODIUM STEAM DISCHARGE LAMP |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1057231B (en) * | 1956-03-03 | 1959-05-14 | Patra Patent Treuhand | Activated glow electrode for electric discharge lamps |
NL134601C (en) * | 1961-01-26 |
-
1951
- 1951-07-16 GB GB1684051A patent/GB714429A/en not_active Expired
-
1952
- 1952-07-16 FR FR1060976D patent/FR1060976A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2438338A1 (en) * | 1978-10-06 | 1980-04-30 | Philips Nv | HIGH PRESSURE SODIUM STEAM DISCHARGE LAMP |
Also Published As
Publication number | Publication date |
---|---|
GB714429A (en) | 1954-08-25 |
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