FR879501A - - Google Patents
Info
- Publication number
- FR879501A FR879501A FR879501DA FR879501A FR 879501 A FR879501 A FR 879501A FR 879501D A FR879501D A FR 879501DA FR 879501 A FR879501 A FR 879501A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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 |
|---|---|---|---|
| DEA9543D DE914525C (de) | 1941-03-04 | 1941-03-04 | Braunsche Roehre mit elektrostatischer Strahlbeeinflussung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR879501A true FR879501A (fr) | 1943-03-10 |
Family
ID=6921807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR879501D Expired FR879501A (fr) | 1941-03-04 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE914525C (fr) |
| FR (1) | FR879501A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB805785A (en) * | 1955-06-10 | 1958-12-10 | English Electric Valve Co Ltd | Improvements in or relating to electron gun structures for cathode ray tubes |
| AT385261B (de) * | 1986-08-06 | 1988-03-10 | Liebe Herzing F Graphische | Vorrichtung zum stapeln von druckprodukten |
-
0
- FR FR879501D patent/FR879501A/fr not_active Expired
-
1941
- 1941-03-04 DE DEA9543D patent/DE914525C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE914525C (de) | 1954-07-05 |