NL88786C - - Google Patents
Info
- Publication number
- NL88786C NL88786C NL88786DA NL88786C NL 88786 C NL88786 C NL 88786C NL 88786D A NL88786D A NL 88786DA NL 88786 C NL88786 C NL 88786C
- Authority
- NL
- Netherlands
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
- H01J1/16—Cathodes heated directly by an electric current characterised by the shape
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL340280X | 1955-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL88786C true NL88786C (fr) |
Family
ID=19784673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL88786D NL88786C (fr) | 1955-04-02 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2882436A (fr) |
| CH (1) | CH340280A (fr) |
| DE (1) | DE1009313B (fr) |
| FR (1) | FR1144978A (fr) |
| GB (1) | GB797964A (fr) |
| NL (1) | NL88786C (fr) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3152276A (en) * | 1960-09-08 | 1964-10-06 | Philips Corp | Electron tube having coaxial terminals for an interiorly emissive cathode |
| DE1146985B (de) * | 1960-11-04 | 1963-04-11 | Siemens Ag | Halbindirekt geheizte Kathode fuer Elektronenroehren |
| FR1312580A (fr) * | 1961-11-09 | 1962-12-21 | Csf | Perfectionnements aux cathodes de dimensions millimétriques pour tubes électroniques |
| US3249791A (en) * | 1963-06-12 | 1966-05-03 | Varian Associates | Electron tube and combination for sensing and regulating the cathode temperature thereof |
| FR1455956A (fr) * | 1965-07-20 | 1966-05-20 | Thomson Houston Comp Francaise | Perfectionnements aux cathodes à chauffage direct |
| US3482300A (en) * | 1966-10-31 | 1969-12-09 | Screen Printing Systems Inc | Printing screen and method of making same |
| US3465400A (en) * | 1967-02-01 | 1969-09-09 | Varian Associates | Method of making cylindrical mesh electrode for electron tubes |
| NL7201534A (fr) * | 1972-02-05 | 1973-08-07 | ||
| US3976909A (en) * | 1975-07-11 | 1976-08-24 | Rca Corporation | Wire mesh cathode |
| SU1042105A1 (ru) * | 1980-02-05 | 1983-09-15 | Организация П/Я Х-5263 | Решетчатый катод пр мого накала дл электронных ламп и способ его изготовлени |
| FR2532468A1 (fr) * | 1982-08-31 | 1984-03-02 | Thomson Csf | Perfectionnement aux cathodes a chauffage direct |
| US4781640A (en) * | 1985-01-24 | 1988-11-01 | Varian Associates, Inc. | Basket electrode shaping |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1596672A (en) * | 1924-02-05 | 1926-08-17 | Luckash Andrew | Audion tube |
| US1874355A (en) * | 1924-03-10 | 1932-08-30 | Rca Corp | Thermionic valve |
| US2210761A (en) * | 1936-10-07 | 1940-08-06 | Gen Electric | Cathode |
| US2363028A (en) * | 1941-12-16 | 1944-11-21 | Carl J Warnke | Cathode filament |
| US2724069A (en) * | 1950-03-30 | 1955-11-15 | English Electric Valve Co Ltd | Thermionic valves |
| DE899081C (de) * | 1950-05-17 | 1953-12-07 | Siemens Ag | Kathode fuer Elektronenroehren |
| NL86395C (fr) * | 1950-05-17 |
-
0
- NL NL88786D patent/NL88786C/xx active
-
1956
- 1956-03-29 DE DEN12038A patent/DE1009313B/de active Pending
- 1956-03-29 CH CH340280D patent/CH340280A/de unknown
- 1956-03-29 GB GB9932/56A patent/GB797964A/en not_active Expired
- 1956-03-30 FR FR1144978D patent/FR1144978A/fr not_active Expired
- 1956-04-02 US US575642A patent/US2882436A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR1144978A (fr) | 1957-10-21 |
| GB797964A (en) | 1958-07-09 |
| DE1009313B (de) | 1957-05-29 |
| CH340280A (de) | 1959-08-15 |
| US2882436A (en) | 1959-04-14 |