BE486782A - - Google Patents
Info
- Publication number
- BE486782A BE486782A BE486782DA BE486782A BE 486782 A BE486782 A BE 486782A BE 486782D A BE486782D A BE 486782DA BE 486782 A BE486782 A BE 486782A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
- H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode
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- 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
- H01J19/28—Non-electron-emitting electrodes; Screens
- H01J19/38—Control electrodes, e.g. grid
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- 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
- H01J2893/0012—Constructional arrangements
- H01J2893/0015—Non-sealed electrodes
- H01J2893/0018—Bar or cage-like grids
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US978888XA | 1948-01-15 | 1948-01-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE486782A true BE486782A (mo) |
Family
ID=22265626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE486782D BE486782A (mo) | 1948-01-15 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE486782A (mo) |
| FR (1) | FR978888A (mo) |
-
0
- BE BE486782D patent/BE486782A/xx unknown
-
1949
- 1949-01-12 FR FR978888D patent/FR978888A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR978888A (fr) | 1951-04-19 |