BE495703A - - Google Patents
Info
- Publication number
- BE495703A BE495703A BE495703DA BE495703A BE 495703 A BE495703 A BE 495703A BE 495703D A BE495703D A BE 495703DA BE 495703 A BE495703 A BE 495703A
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL287008X | 1949-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE495703A true BE495703A (ja�@�@) |
Family
ID=19782567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE495703D BE495703A (ja�@�@) | 1949-05-14 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE495703A (ja�@�@) |
| CH (1) | CH287008A (ja�@�@) |
| DE (1) | DE820322C (ja�@�@) |
| FR (1) | FR1017656A (ja�@�@) |
| GB (1) | GB683491A (ja�@�@) |
| NL (2) | NL73499C (ja�@�@) |
-
0
- NL NL707016452A patent/NL146459B/xx unknown
- NL NL73499D patent/NL73499C/xx active
- BE BE495703D patent/BE495703A/xx unknown
-
1950
- 1950-05-11 DE DEN863A patent/DE820322C/de not_active Expired
- 1950-05-11 GB GB11772/50A patent/GB683491A/en not_active Expired
- 1950-05-12 FR FR1017656D patent/FR1017656A/fr not_active Expired
- 1950-05-12 CH CH287008D patent/CH287008A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL146459B (nl) | |
| CH287008A (de) | 1952-11-15 |
| NL73499C (ja�@�@) | |
| FR1017656A (fr) | 1952-12-17 |
| DE820322C (de) | 1951-11-08 |
| GB683491A (en) | 1952-11-26 |