FR808656A - Cathodic luminescence electric lamp - Google Patents
Cathodic luminescence electric lampInfo
- Publication number
- FR808656A FR808656A FR808656DA FR808656A FR 808656 A FR808656 A FR 808656A FR 808656D A FR808656D A FR 808656DA FR 808656 A FR808656 A FR 808656A
- Authority
- FR
- France
- Prior art keywords
- electric lamp
- cathodic
- cathodic luminescence
- luminescence electric
- lamp
- 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 |
---|---|---|---|
DE808656X | 1935-09-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR808656A true FR808656A (en) | 1937-02-12 |
Family
ID=6723135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR808656D Expired FR808656A (en) | 1935-09-12 | 1936-07-24 | Cathodic luminescence electric lamp |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR808656A (en) |
-
1936
- 1936-07-24 FR FR808656D patent/FR808656A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR816541A (en) | Luminescent electric tube | |
FR747940A (en) | Electric discharge lamp | |
FR801418A (en) | Electric lamp | |
FR794684A (en) | Improvements to electric discharge lamps | |
FR800793A (en) | Electric lamps | |
FR782179A (en) | Electric lamp | |
FR782391A (en) | Electric lamp | |
FR808656A (en) | Cathodic luminescence electric lamp | |
FR829567A (en) | Electric lamp | |
FR782358A (en) | Electric lamp | |
FR836070A (en) | Cathodic luminescence electric lamp | |
FR814155A (en) | Electric discharge lamp or luminescent tube | |
FR811846A (en) | Improvements to electric discharge lamps | |
FR813247A (en) | Improvements to electric discharge lamps | |
FR806364A (en) | Electric discharge lamp | |
FR793581A (en) | Electric lamp | |
FR809080A (en) | Electric lamp | |
FR793564A (en) | Electric lamp | |
FR776889A (en) | Electric discharge lamps | |
FR766424A (en) | Electric hand lamp | |
FR806439A (en) | Arc lamp | |
FR813433A (en) | Arc lamp | |
FR768113A (en) | Improvements to electric discharge lamps | |
FR810272A (en) | Portable electric lamp | |
FR809638A (en) | Luminescent electric tube |