FR651345A - Improvements in the construction of vacuum tubes - Google Patents
Improvements in the construction of vacuum tubesInfo
- Publication number
- FR651345A FR651345A FR651345DA FR651345A FR 651345 A FR651345 A FR 651345A FR 651345D A FR651345D A FR 651345DA FR 651345 A FR651345 A FR 651345A
- Authority
- FR
- France
- Prior art keywords
- construction
- 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 |
---|---|---|---|
US651345XA | 1927-03-14 | 1927-03-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR651345A true FR651345A (en) | 1929-02-18 |
Family
ID=22060563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR651345D Expired FR651345A (en) | 1927-03-14 | 1928-03-02 | Improvements in the construction of vacuum tubes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR651345A (en) |
-
1928
- 1928-03-02 FR FR651345D patent/FR651345A/en not_active Expired
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