BE532870A - - Google Patents
Info
- Publication number
- BE532870A BE532870A BE532870DA BE532870A BE 532870 A BE532870 A BE 532870A BE 532870D A BE532870D A BE 532870DA BE 532870 A BE532870 A BE 532870A
- 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 |
|---|---|---|---|
| DE331020X | 1953-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE532870A true BE532870A (de) |
Family
ID=6194185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE532870D BE532870A (de) | 1953-11-13 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE532870A (de) |
| CH (1) | CH331020A (de) |
| FR (1) | FR1147028A (de) |
| GB (1) | GB798257A (de) |
| NL (1) | NL184331B (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR940003242Y1 (ko) * | 1991-07-10 | 1994-05-16 | 삼성전관 주식회사 | 음극선관 |
| US6683414B2 (en) * | 2001-10-25 | 2004-01-27 | Northrop Grumman Corporation | Ion-shielded focusing method for high-density electron beams generated by planar cold cathode electron emitters |
-
0
- NL NLAANVRAGE8005636,A patent/NL184331B/xx unknown
- BE BE532870D patent/BE532870A/xx unknown
-
1954
- 1954-10-20 CH CH331020D patent/CH331020A/de unknown
- 1954-10-22 FR FR1147028D patent/FR1147028A/fr not_active Expired
- 1954-11-15 GB GB32959/54A patent/GB798257A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1147028A (fr) | 1957-11-18 |
| GB798257A (en) | 1958-07-16 |
| NL184331B (nl) | |
| CH331020A (de) | 1958-06-30 |