BE492805A - - Google Patents
Info
- Publication number
- BE492805A BE492805A BE492805DA BE492805A BE 492805 A BE492805 A BE 492805A BE 492805D A BE492805D A BE 492805DA BE 492805 A BE492805 A BE 492805A
- 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 |
|---|---|---|---|
| NL282229X | 1948-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE492805A true BE492805A (en:Method) |
Family
ID=19782338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE492805D BE492805A (en:Method) | 1948-12-21 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2608666A (en:Method) |
| BE (1) | BE492805A (en:Method) |
| CH (1) | CH282229A (en:Method) |
| DE (1) | DE862168C (en:Method) |
| FR (1) | FR1002873A (en:Method) |
| GB (1) | GB670152A (en:Method) |
| NL (1) | NL143970B (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2717322A (en) * | 1952-11-01 | 1955-09-06 | Rca Corp | Cathode ray tube guns |
| NL87923C (en:Method) * | 1953-02-13 | |||
| BE526615A (en:Method) * | 1953-02-19 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2188579A (en) * | 1933-05-27 | 1940-01-30 | Loewe Radio Inc | Cathode ray tube, more particularly for television purposes |
| GB458270A (en) * | 1935-06-24 | 1936-12-16 | Robert Vaughan Whelpton | Improvements in high speed cathode ray recording oscillographs |
| GB480948A (en) * | 1936-07-25 | 1938-02-25 | Frederick Hermes Nicoll | Improvements in or relating to cathode ray tubes |
| US2211613A (en) * | 1936-08-14 | 1940-08-13 | Hygrade Sylvania Corp | Cathode ray tube |
| US2274586A (en) * | 1939-02-25 | 1942-02-24 | Philco Radio & Television Corp | Cathode ray tube |
| DE838168C (de) * | 1944-12-28 | 1952-03-27 | A. C. Cossor Limited, London | Kathodenstrahlröhre |
| BE470212A (en:Method) * | 1946-01-24 | |||
| US2456474A (en) * | 1946-07-02 | 1948-12-14 | Gen Electric | Electric discharge device |
| US2496127A (en) * | 1947-02-05 | 1950-01-31 | Rca Corp | Electron gun for cathode-ray tubes |
-
0
- BE BE492805D patent/BE492805A/xx unknown
- NL NL646405432A patent/NL143970B/xx unknown
-
1949
- 1949-12-16 GB GB32346/49A patent/GB670152A/en not_active Expired
- 1949-12-17 US US133504A patent/US2608666A/en not_active Expired - Lifetime
- 1949-12-18 DE DEN293A patent/DE862168C/de not_active Expired
- 1949-12-19 FR FR1002873D patent/FR1002873A/fr not_active Expired
- 1949-12-19 CH CH282229D patent/CH282229A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB670152A (en) | 1952-04-16 |
| DE862168C (de) | 1953-01-08 |
| NL143970B (nl) | |
| US2608666A (en) | 1952-08-26 |
| CH282229A (de) | 1952-04-15 |
| FR1002873A (fr) | 1952-03-11 |