BE363575A - - Google Patents
Info
- Publication number
- BE363575A BE363575A BE363575DA BE363575A BE 363575 A BE363575 A BE 363575A BE 363575D A BE363575D A BE 363575DA BE 363575 A BE363575 A BE 363575A
- 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
- H01J1/24—Insulating layer or body located between heater and emissive material
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL319652X | 1928-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE363575A true BE363575A (zh) |
Family
ID=19783934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE363575D BE363575A (zh) | 1928-09-25 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE363575A (zh) |
| FR (1) | FR682098A (zh) |
| GB (1) | GB319652A (zh) |
-
0
- BE BE363575D patent/BE363575A/xx unknown
-
1929
- 1929-03-07 GB GB7512/29A patent/GB319652A/en not_active Expired
- 1929-09-20 FR FR682098D patent/FR682098A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR682098A (fr) | 1930-05-22 |
| GB319652A (en) | 1930-04-03 |