FR717682A - Improvements to gas conductive tubes - Google Patents
Improvements to gas conductive tubesInfo
- Publication number
- FR717682A FR717682A FR717682DA FR717682A FR 717682 A FR717682 A FR 717682A FR 717682D A FR717682D A FR 717682DA FR 717682 A FR717682 A FR 717682A
- Authority
- FR
- France
- Prior art keywords
- conductive tubes
- gas conductive
- gas
- tubes
- conductive
- 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
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes
- H01J17/066—Cold cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
- H01J2893/0065—Electrode systems
- H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US717682XA | 1930-05-29 | 1930-05-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR717682A true FR717682A (en) | 1932-01-12 |
Family
ID=22103458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR717682D Expired FR717682A (en) | 1930-05-29 | 1931-05-27 | Improvements to gas conductive tubes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR717682A (en) |
-
1931
- 1931-05-27 FR FR717682D patent/FR717682A/en not_active Expired
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