BE419035A - - Google Patents
Info
- Publication number
- BE419035A BE419035A BE419035DA BE419035A BE 419035 A BE419035 A BE 419035A BE 419035D A BE419035D A BE 419035DA BE 419035 A BE419035 A BE 419035A
- 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 |
|---|---|---|---|
| GB815124X | 1935-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE419035A true BE419035A (fr) |
Family
ID=10526990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE419035D BE419035A (fr) | 1935-12-18 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE419035A (fr) |
| FR (1) | FR815124A (fr) |
-
0
- BE BE419035D patent/BE419035A/xx unknown
-
1936
- 1936-12-17 FR FR815124D patent/FR815124A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR815124A (fr) | 1937-07-06 |