BE440981A - - Google Patents
Info
- Publication number
- BE440981A BE440981A BE440981DA BE440981A BE 440981 A BE440981 A BE 440981A BE 440981D A BE440981D A BE 440981DA BE 440981 A BE440981 A BE 440981A
- 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
-
- 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
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/06—Screens for shielding; Masks interposed in the electron stream
-
- 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
- H01J29/52—Arrangements for controlling intensity of ray or beam, e.g. for modulation
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL223635X | 1940-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE440981A true BE440981A (fr) |
Family
ID=19779509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE440981D BE440981A (fr) | 1940-03-09 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2341764A (fr) |
| BE (1) | BE440981A (fr) |
| CH (1) | CH223635A (fr) |
| DE (1) | DE1077336B (fr) |
| FR (1) | FR874105A (fr) |
| GB (2) | GB549476A (fr) |
| NL (1) | NL58348C (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB648118A (en) * | 1948-11-25 | 1950-12-28 | Frederick Henry Townsend | Improvements in or relating to cathode ray tubes with magnetic deflection |
| BE502947A (fr) * | 1950-05-02 | |||
| US2672568A (en) * | 1951-03-27 | 1954-03-16 | Int Standard Electric Corp | Electron gun for cathode-ray tubes |
| DE1076827B (de) * | 1952-05-24 | 1960-03-03 | Telefunken Gmbh | Elektronenstrahlerzeugungssystem fuer Kathodenstrahlroehren |
| BE521804A (fr) * | 1952-07-30 | |||
| US2818519A (en) * | 1953-11-13 | 1957-12-31 | Telefunken Gmbh | Cathode-ray tube |
| NL98369C (fr) * | 1958-07-17 | |||
| US4345182A (en) * | 1980-06-02 | 1982-08-17 | The Boeing Company | Electrode having spiral-shaped electrically conducting regions therein useful as an anode in electron beam discharge devices |
| DE19534124A1 (de) * | 1995-09-14 | 1997-03-20 | Licentia Gmbh | Kathodenstrahlröhre |
-
0
- BE BE440981D patent/BE440981A/xx unknown
- NL NL58348D patent/NL58348C/xx active
-
1941
- 1941-03-24 DE DEP2161D patent/DE1077336B/de active Pending
- 1941-04-17 CH CH223635D patent/CH223635A/de unknown
- 1941-07-21 FR FR874105D patent/FR874105A/fr not_active Expired
- 1941-09-19 GB GB12155/41A patent/GB549476A/en not_active Expired
- 1941-12-02 US US421310A patent/US2341764A/en not_active Expired - Lifetime
-
1945
- 1945-08-21 GB GB21304/45A patent/GB597468A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH223635A (de) | 1942-09-30 |
| FR874105A (fr) | 1942-07-29 |
| DE1077336B (de) | 1960-03-10 |
| GB597468A (en) | 1948-01-27 |
| NL58348C (fr) | |
| GB549476A (en) | 1942-11-23 |
| US2341764A (en) | 1944-02-15 |