FR768273A - Tube électronique - Google Patents
Tube électroniqueInfo
- Publication number
- FR768273A FR768273A FR768273DA FR768273A FR 768273 A FR768273 A FR 768273A FR 768273D A FR768273D A FR 768273DA FR 768273 A FR768273 A FR 768273A
- Authority
- FR
- France
- Prior art keywords
- electron tube
- electron
- tube
- 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
-
- 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
- H01J2893/001—Non-constructive schematic arrangements
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE768273X | 1933-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR768273A true FR768273A (fr) | 1934-08-03 |
Family
ID=6673672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR768273D Expired FR768273A (fr) | 1933-02-22 | 1934-02-08 | Tube électronique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR768273A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE739329C (de) * | 1935-11-08 | 1943-09-20 | Phil Guenther Jobst Dr | Kathode fuer Elektronenroehren, vorzugsweise mittelbar geheizte AEquipotentialkathode die nur an einzelnen Stellen ihrer gluehenden Oberflaeche mit hochemittierenden Stoffen belegt, an anderen Stellen aber unbedeckt ist |
-
1934
- 1934-02-08 FR FR768273D patent/FR768273A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE739329C (de) * | 1935-11-08 | 1943-09-20 | Phil Guenther Jobst Dr | Kathode fuer Elektronenroehren, vorzugsweise mittelbar geheizte AEquipotentialkathode die nur an einzelnen Stellen ihrer gluehenden Oberflaeche mit hochemittierenden Stoffen belegt, an anderen Stellen aber unbedeckt ist |
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