FR34445E - - Google Patents
Info
- Publication number
- FR34445E FR34445E FR34445DA FR34445E FR 34445 E FR34445 E FR 34445E FR 34445D A FR34445D A FR 34445DA FR 34445 E FR34445 E FR 34445E
- Authority
- FR
- France
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
- H01J13/02—Details
- H01J13/04—Main electrodes; Auxiliary anodes
- H01J13/06—Cathodes
- H01J13/12—Positioning or moving the cathode spot on the surface of the pool
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0072—Disassembly or repair of discharge tubes
- H01J2893/0073—Discharge tubes with liquid poolcathodes; constructional details
- H01J2893/0074—Cathodic cups; Screens; Reflectors; Filters; Windows; Protection against mercury deposition; Returning condensed electrode material to the cathodic cup; Liquid electrode level control
- H01J2893/0075—Cathodic cups
- H01J2893/0079—Means for limiting the cathodic spot movement
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR34445E true FR34445E (da) | 1929-06-18 |
Family
ID=1362375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR34445D Expired FR34445E (da) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR34445E (da) |
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0
- FR FR34445D patent/FR34445E/fr not_active Expired