BE416227A - - Google Patents
Info
- Publication number
- BE416227A BE416227A BE416227DA BE416227A BE 416227 A BE416227 A BE 416227A BE 416227D A BE416227D A BE 416227DA BE 416227 A BE416227 A BE 416227A
- 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
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/62—Electrostatic lenses
- H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
- H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE203820X | 1935-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE416227A true BE416227A (en:Method) |
Family
ID=5778568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE416227D BE416227A (en:Method) | 1935-06-25 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2123161A (en:Method) |
| BE (1) | BE416227A (en:Method) |
| CH (1) | CH203820A (en:Method) |
| FR (1) | FR808566A (en:Method) |
| GB (1) | GB480672A (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2792515A (en) * | 1951-06-22 | 1957-05-14 | Thomas Electrics Inc | Cathode ray tube |
| US2930931A (en) * | 1955-09-28 | 1960-03-29 | Kaiser Ind Corp | Electronic device |
| JPS5543660Y2 (en:Method) * | 1972-04-12 | 1980-10-14 | ||
| US3863091A (en) * | 1972-12-29 | 1975-01-28 | Hitachi Ltd | Electron gun assembly with improved unitary lens system |
| ES475304A1 (es) * | 1977-11-22 | 1979-03-16 | Tokyo Shibaura Electric Co | Perfeccionamientos en canones electronicos para tubos de ra-yos catodicos. |
-
0
- BE BE416227D patent/BE416227A/xx unknown
-
1936
- 1936-06-18 CH CH203820D patent/CH203820A/de unknown
- 1936-06-22 US US86608A patent/US2123161A/en not_active Expired - Lifetime
- 1936-06-24 FR FR808566D patent/FR808566A/fr not_active Expired
- 1936-06-25 GB GB17637/36A patent/GB480672A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH203820A (de) | 1939-03-31 |
| FR808566A (fr) | 1937-02-10 |
| GB480672A (en) | 1938-02-25 |
| US2123161A (en) | 1938-07-05 |