FR706907A - Improvements to vacuum tubes - Google Patents
Improvements to vacuum tubesInfo
- Publication number
- FR706907A FR706907A FR706907DA FR706907A FR 706907 A FR706907 A FR 706907A FR 706907D A FR706907D A FR 706907DA FR 706907 A FR706907 A FR 706907A
- Authority
- FR
- France
- Prior art keywords
- vacuum tubes
- tubes
- vacuum
- 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 |
---|---|---|---|
US706907XA | 1929-11-11 | 1929-11-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR706907A true FR706907A (en) | 1931-07-01 |
Family
ID=22096816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR706907D Expired FR706907A (en) | 1929-11-11 | 1930-11-05 | Improvements to vacuum tubes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR706907A (en) |
-
1930
- 1930-11-05 FR FR706907D patent/FR706907A/en not_active Expired
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