BE380140A - - Google Patents
Info
- Publication number
- BE380140A BE380140A BE380140DA BE380140A BE 380140 A BE380140 A BE 380140A BE 380140D A BE380140D A BE 380140DA BE 380140 A BE380140 A BE 380140A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE379334X | 1930-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE380140A true BE380140A (https=) |
Family
ID=6344690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE380140D BE380140A (https=) | 1930-05-28 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2075122A (https=) |
| BE (1) | BE380140A (https=) |
| FR (1) | FR731971A (https=) |
| GB (1) | GB379334A (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE760248C (de) * | 1933-11-08 | 1953-10-19 | Georg Seibt Nachf Dr | Indirekt geheizte Kathode fuer Kathodenstrahlroehren |
| US2447038A (en) * | 1945-10-31 | 1948-08-17 | Raytheon Mfg Co | Cathode structure |
| US2817784A (en) * | 1951-01-31 | 1957-12-24 | Siemens Ag | Cathode for use in electrical discharge devices |
| JPH01279537A (ja) * | 1988-04-30 | 1989-11-09 | Futaba Corp | 傍熱形線状陰極 |
| US4925741A (en) * | 1989-06-08 | 1990-05-15 | Composite Materials Technology, Inc. | Getter wire |
-
0
- BE BE380140D patent/BE380140A/xx unknown
-
1931
- 1931-05-26 GB GB15325/31A patent/GB379334A/en not_active Expired
- 1931-05-26 US US540185A patent/US2075122A/en not_active Expired - Lifetime
- 1931-05-28 FR FR731971D patent/FR731971A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2075122A (en) | 1937-03-30 |
| FR731971A (fr) | 1932-09-10 |
| GB379334A (en) | 1932-08-26 |