BE372758A - - Google Patents
Info
- Publication number
- BE372758A BE372758A BE372758DA BE372758A BE 372758 A BE372758 A BE 372758A BE 372758D A BE372758D A BE 372758DA BE 372758 A BE372758 A BE 372758A
- 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
- H01J1/18—Supports; Vibration-damping arrangements
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL358649X | 1929-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE372758A true BE372758A (ja) |
Family
ID=19785319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE372758D BE372758A (ja) | 1929-09-19 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1926128A (ja) |
| BE (1) | BE372758A (ja) |
| DE (1) | DE565075C (ja) |
| FR (1) | FR700915A (ja) |
| GB (1) | GB358649A (ja) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2506874A (en) * | 1946-06-08 | 1950-05-09 | Sylvania Electric Prod | Filament tensioning method and electrical device having improved filament tensioner |
| NL86623C (ja) * | 1951-11-23 | |||
| US2915668A (en) * | 1955-01-14 | 1959-12-01 | Sylvania Electric Prod | Filament tensioning device |
| US3244928A (en) * | 1955-10-03 | 1966-04-05 | Sylvania Electric Prod | Filament suspension |
| US3438180A (en) * | 1965-12-28 | 1969-04-15 | Trane Co | Air-cleaning apparatus |
| US4695677A (en) * | 1985-06-06 | 1987-09-22 | Ruth Dale G | Wire tensioning system |
-
0
- BE BE372758D patent/BE372758A/xx unknown
-
1930
- 1930-08-08 US US473814A patent/US1926128A/en not_active Expired - Lifetime
- 1930-08-13 GB GB24255/30A patent/GB358649A/en not_active Expired
- 1930-08-17 DE DE1930565075D patent/DE565075C/de not_active Expired
- 1930-08-20 FR FR700915D patent/FR700915A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR700915A (fr) | 1931-03-09 |
| US1926128A (en) | 1933-09-12 |
| GB358649A (en) | 1931-10-15 |
| DE565075C (de) | 1932-11-25 |