BE513397A - - Google Patents
Info
- Publication number
- BE513397A BE513397A BE513397DA BE513397A BE 513397 A BE513397 A BE 513397A BE 513397D A BE513397D A BE 513397DA BE 513397 A BE513397 A BE 513397A
- 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 |
|---|---|---|---|
| NL1061322X | 1951-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE513397A true BE513397A (fr) |
Family
ID=19868112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE513397D BE513397A (fr) | 1951-08-09 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE513397A (fr) |
| FR (1) | FR1061322A (fr) |
-
0
- BE BE513397D patent/BE513397A/xx unknown
-
1952
- 1952-08-07 FR FR1061322D patent/FR1061322A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1061322A (fr) | 1954-04-12 |