BE399790A - - Google Patents
Info
- Publication number
- BE399790A BE399790A BE399790DA BE399790A BE 399790 A BE399790 A BE 399790A BE 399790D A BE399790D A BE 399790DA BE 399790 A BE399790 A BE 399790A
- 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
- H01J1/14—Solid thermionic cathodes characterised by the material
-
- 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
- H01J1/26—Supports for the emissive material
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL413950X | 1932-12-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE399790A true BE399790A (en) |
Family
ID=19785999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE399790D BE399790A (en) | 1932-12-10 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE399790A (en) |
FR (1) | FR764126A (en) |
GB (1) | GB413950A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2573590A1 (en) * | 1984-11-20 | 1986-05-23 | Infradep | Infrared remote control device. |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE739644C (en) * | 1939-04-02 | 1943-10-01 | Sueddeutsche Telefon App Kabel | Directly or indirectly heated glow cathode for electron tubes |
US7352846B2 (en) | 2005-10-21 | 2008-04-01 | Rigaku Corporation | Filament for X-ray tube and X-ray tube having the same |
-
0
- BE BE399790D patent/BE399790A/xx unknown
-
1933
- 1933-11-21 FR FR764126D patent/FR764126A/en not_active Expired
- 1933-12-09 GB GB34722/33A patent/GB413950A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2573590A1 (en) * | 1984-11-20 | 1986-05-23 | Infradep | Infrared remote control device. |
Also Published As
Publication number | Publication date |
---|---|
FR764126A (en) | 1934-05-15 |
GB413950A (en) | 1934-07-26 |