FR571112A - Improvements to thermo-ionic devices - Google Patents
Improvements to thermo-ionic devicesInfo
- Publication number
- FR571112A FR571112A FR571112DA FR571112A FR 571112 A FR571112 A FR 571112A FR 571112D A FR571112D A FR 571112DA FR 571112 A FR571112 A FR 571112A
- Authority
- FR
- France
- Prior art keywords
- thermo
- ionic devices
- ionic
- devices
- 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
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/28—Non-electron-emitting electrodes; Screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0012—Constructional arrangements
- H01J2893/0013—Sealed electrodes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR571112T | 1922-12-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR571112A true FR571112A (en) | 1924-05-12 |
Family
ID=8950326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR571112D Expired FR571112A (en) | 1922-12-06 | 1922-12-06 | Improvements to thermo-ionic devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR571112A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE746926C (en) * | 1936-08-27 | 1944-08-30 | Siemens Ag | High vacuum rectifier tubes for high voltages |
-
1922
- 1922-12-06 FR FR571112D patent/FR571112A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE746926C (en) * | 1936-08-27 | 1944-08-30 | Siemens Ag | High vacuum rectifier tubes for high voltages |
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