FR706921A - Improvements to thermionic tubes - Google Patents
Improvements to thermionic tubesInfo
- Publication number
- FR706921A FR706921A FR706921DA FR706921A FR 706921 A FR706921 A FR 706921A FR 706921D A FR706921D A FR 706921DA FR 706921 A FR706921 A FR 706921A
- Authority
- FR
- France
- Prior art keywords
- thermionic tubes
- thermionic
- tubes
- 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
- H01J19/42—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 |
---|---|---|---|
US706921XA | 1929-12-02 | 1929-12-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR706921A true FR706921A (en) | 1931-07-01 |
Family
ID=22096828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR706921D Expired FR706921A (en) | 1929-12-02 | 1930-11-13 | Improvements to thermionic tubes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR706921A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE757350C (en) * | 1936-02-26 | 1954-08-02 | Rca Corp | Electron tubes |
-
1930
- 1930-11-13 FR FR706921D patent/FR706921A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE757350C (en) * | 1936-02-26 | 1954-08-02 | Rca Corp | Electron tubes |
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