BE502471A - - Google Patents
Info
- Publication number
- BE502471A BE502471A BE502471DA BE502471A BE 502471 A BE502471 A BE 502471A BE 502471D A BE502471D A BE 502471DA BE 502471 A BE502471 A BE 502471A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/84—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL152898 | 1950-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE502471A true BE502471A (no) |
Family
ID=19750491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE502471D BE502471A (no) | 1950-04-12 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2617061A (no) |
| BE (1) | BE502471A (no) |
| CH (1) | CH290153A (no) |
| DE (1) | DE906110C (no) |
| FR (1) | FR1035278A (no) |
| GB (1) | GB697188A (no) |
| NL (2) | NL152898B (no) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2717322A (en) * | 1952-11-01 | 1955-09-06 | Rca Corp | Cathode ray tube guns |
| NL87923C (no) * | 1953-02-13 | |||
| US3045141A (en) * | 1957-04-15 | 1962-07-17 | Rca Corp | Electron beam tube |
| DE2639033C3 (de) * | 1976-08-30 | 1981-07-23 | Gkss - Forschungszentrum Geesthacht Gmbh, 2000 Hamburg | Bauteil in mit Ladungsträgerstrahlen arbeitenden elektrischen Vakuumgeräten und Verfahren zu dessen Herstellung |
| US4137480A (en) * | 1977-03-31 | 1979-01-30 | Zenith Radio Corporation | Television picture tube with cathode coating erosion suppression |
| US4439395A (en) * | 1981-04-13 | 1984-03-27 | The United States Of America As Represented By The United States Department Of Energy | Neutral beamline with improved ion energy recovery |
| EP0116465B1 (en) * | 1983-02-09 | 1987-01-21 | Nec Corporation | Colour cathode ray tube |
| FR2613897B1 (fr) * | 1987-04-10 | 1990-11-09 | Realisations Nucleaires Et | Dispositif de suppression des micro-projections dans une source d'ions a arc sous vide |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB458270A (en) * | 1935-06-24 | 1936-12-16 | Robert Vaughan Whelpton | Improvements in high speed cathode ray recording oscillographs |
| US2211613A (en) * | 1936-08-14 | 1940-08-13 | Hygrade Sylvania Corp | Cathode ray tube |
| BE434865A (no) * | 1938-06-13 | |||
| US2312723A (en) * | 1939-08-16 | 1943-03-02 | Bell Telephone Labor Inc | Electron discharge device |
| GB542496A (en) * | 1940-05-02 | 1942-01-12 | James Dwyer Mcgee | Improvements in or relating to electron discharge devices |
| BE470212A (no) * | 1946-01-24 | |||
| US2565357A (en) * | 1948-06-30 | 1951-08-21 | Rca Corp | Electron discharge device |
-
0
- NL NL85805D patent/NL85805C/xx active
- BE BE502471D patent/BE502471A/xx unknown
- NL NL686800109A patent/NL152898B/xx unknown
-
1951
- 1951-03-23 US US217199A patent/US2617061A/en not_active Expired - Lifetime
- 1951-04-08 DE DEN3745A patent/DE906110C/de not_active Expired
- 1951-04-09 GB GB8179/51A patent/GB697188A/en not_active Expired
- 1951-04-10 CH CH290153D patent/CH290153A/de unknown
- 1951-04-10 FR FR1035278D patent/FR1035278A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE906110C (de) | 1954-03-11 |
| NL85805C (no) | |
| CH290153A (de) | 1953-04-15 |
| GB697188A (en) | 1953-09-16 |
| FR1035278A (fr) | 1953-08-20 |
| NL152898B (nl) | |
| US2617061A (en) | 1952-11-04 |