BE358360A - - Google Patents
Info
- Publication number
- BE358360A BE358360A BE358360DA BE358360A BE 358360 A BE358360 A BE 358360A BE 358360D A BE358360D A BE 358360DA BE 358360 A BE358360 A BE 358360A
- 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
- H01J1/15—Cathodes heated directly by an electric current
 
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| DE306513X | 1928-02-22 | 
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| BE358360A true BE358360A (en:Method) | 
Family
ID=6121154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| BE358360D BE358360A (en:Method) | 1928-02-22 | 
Country Status (5)
| Country | Link | 
|---|---|
| US (1) | US1839323A (en:Method) | 
| BE (1) | BE358360A (en:Method) | 
| FR (1) | FR670129A (en:Method) | 
| GB (1) | GB306513A (en:Method) | 
| NL (1) | NL29677C (en:Method) | 
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US2734144A (en) * | 1956-02-07 | hoover | 
- 
        0
        - NL NL29677D patent/NL29677C/xx active
- BE BE358360D patent/BE358360A/xx unknown
 
- 
        1929
        - 1929-02-19 US US341143A patent/US1839323A/en not_active Expired - Lifetime
- 1929-02-22 GB GB5837/29A patent/GB306513A/en not_active Expired
- 1929-02-22 FR FR670129D patent/FR670129A/fr not_active Expired
 
Also Published As
| Publication number | Publication date | 
|---|---|
| US1839323A (en) | 1932-01-05 | 
| NL29677C (en:Method) | |
| FR670129A (fr) | 1929-11-25 | 
| GB306513A (en) | 1930-06-23 |