BE534280A - - Google Patents
Info
- Publication number
- BE534280A BE534280A BE534280DA BE534280A BE 534280 A BE534280 A BE 534280A BE 534280D A BE534280D A BE 534280DA BE 534280 A BE534280 A BE 534280A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/04—Cathodes
- H01J23/05—Cathodes having a cylindrical emissive surface, e.g. cathodes for magnetrons
-
- 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
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL326751X | 1953-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE534280A true BE534280A (xx) |
Family
ID=19784195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE534280D BE534280A (xx) | 1953-12-22 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2988666A (xx) |
| BE (1) | BE534280A (xx) |
| CH (1) | CH326751A (xx) |
| DE (1) | DE1034780B (xx) |
| FR (1) | FR1116098A (xx) |
| GB (1) | GB757066A (xx) |
| NL (2) | NL183830B (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3286119A (en) * | 1963-05-08 | 1966-11-15 | Hitachi Ltd | Hollow cathode discharge tubes |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2733378A (en) * | 1956-01-31 | Thermionic cathodes for electronic discharge devices | ||
| CH236119A (de) * | 1942-03-18 | 1945-01-15 | Fides Gmbh | Indirekt geheizte Glühkathode. |
| BE486002A (xx) * | 1947-11-26 | |||
| BE498869A (xx) * | 1949-10-25 | |||
| DE899235C (de) * | 1951-06-09 | 1953-12-10 | Siemens Ag | Kathode fuer elektrische Entladungsgefaesse |
| DE885757C (de) * | 1951-07-12 | 1953-08-06 | Siemens Ag | Kathode fuer elektrische Entladungsgefaesse |
| NL80924C (xx) * | 1951-07-20 | |||
| AT176925B (de) * | 1951-07-20 | 1953-12-10 | Philips Nv | Verfahren zur Herstellung einer Vorratskathode |
| CH305872A (de) * | 1951-11-19 | 1955-03-15 | Siemens Ag | Kathode für elektrische Entladungsgefässe. |
| AT176926B (de) * | 1951-11-29 | 1953-12-10 | Philips Nv | Zylindrische Vorratskathode, insbesondere für eine Magnetronröhre |
| BE515834A (xx) * | 1951-11-29 | |||
| BE515833A (xx) * | 1951-11-29 | |||
| BE515835A (xx) * | 1951-11-29 | |||
| US2677778A (en) * | 1952-03-31 | 1954-05-04 | Atomic Energy Commission | Linear cathode |
| GB731454A (en) * | 1952-10-28 | 1955-06-08 | Vickers Electrical Co Ltd | Improvements relating to electron emissive devices |
-
0
- NL NL85507D patent/NL85507C/xx active
- NL NLAANVRAGE7701598,A patent/NL183830B/xx unknown
- BE BE534280D patent/BE534280A/xx unknown
-
1954
- 1954-11-15 US US468922A patent/US2988666A/en not_active Expired - Lifetime
- 1954-12-18 DE DEN9933A patent/DE1034780B/de active Pending
- 1954-12-20 FR FR1116098D patent/FR1116098A/fr not_active Expired
- 1954-12-20 CH CH326751D patent/CH326751A/de unknown
- 1954-12-22 GB GB37116/54A patent/GB757066A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1116098A (fr) | 1956-05-03 |
| GB757066A (en) | 1956-09-12 |
| CH326751A (de) | 1957-12-31 |
| NL85507C (xx) | |
| DE1034780B (de) | 1958-07-24 |
| US2988666A (en) | 1961-06-13 |
| NL183830B (nl) |