FR890275A - Electronic lamp - Google Patents
Electronic lampInfo
- Publication number
- FR890275A FR890275A FR890275DA FR890275A FR 890275 A FR890275 A FR 890275A FR 890275D A FR890275D A FR 890275DA FR 890275 A FR890275 A FR 890275A
- Authority
- FR
- France
- Prior art keywords
- electronic lamp
- lamp
- electronic
- 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
- 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
-
- 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
- H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
-
- 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
- H01J2893/0002—Construction arrangements of electrode systems
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEL4538D DE960565C (en) | 1942-03-29 | 1942-03-29 | Electron tubes serving as full-wave rectifiers |
Publications (1)
Publication Number | Publication Date |
---|---|
FR890275A true FR890275A (en) | 1944-02-03 |
Family
ID=7256544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR890275D Expired FR890275A (en) | 1942-03-29 | 1943-01-20 | Electronic lamp |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE960565C (en) |
FR (1) | FR890275A (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE584306C (en) * | 1933-09-18 | Siemens & Halske Akt Ges | Tube rectifier | |
DE708753C (en) * | 1932-11-06 | 1941-07-28 | Telefunken Gmbh | Electron tubes for rectification, amplification and vibration generation |
DE706070C (en) * | 1938-03-24 | 1941-05-16 | Rca Corp | Indirectly heated cathode with a rectangular cross-section of the cathode sleeve |
-
1942
- 1942-03-29 DE DEL4538D patent/DE960565C/en not_active Expired
-
1943
- 1943-01-20 FR FR890275D patent/FR890275A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE960565C (en) | 1957-03-21 |
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