BE404519A - - Google Patents
Info
- Publication number
- BE404519A BE404519A BE404519DA BE404519A BE 404519 A BE404519 A BE 404519A BE 404519D A BE404519D A BE 404519DA BE 404519 A BE404519 A BE 404519A
- 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
- H01J29/52—Arrangements for controlling intensity of ray or beam, e.g. for modulation
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE439990X | 1933-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE404519A true BE404519A (en:Method) |
Family
ID=6507383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE404519D BE404519A (en:Method) | 1933-08-02 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2088419A (en:Method) |
| BE (1) | BE404519A (en:Method) |
| FR (1) | FR776581A (en:Method) |
| GB (1) | GB439990A (en:Method) |
| NL (1) | NL70301C (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2467224A (en) * | 1948-02-21 | 1949-04-12 | Rca Corp | Neutralization of electrostatic charges in electron-optical instruments |
| US10525547B2 (en) * | 2016-06-01 | 2020-01-07 | Arcam Ab | Additive manufacturing of three-dimensional articles |
-
0
- NL NL70301D patent/NL70301C/xx active
- BE BE404519D patent/BE404519A/xx unknown
-
1934
- 1934-07-31 FR FR776581D patent/FR776581A/fr not_active Expired
- 1934-08-02 GB GB24575/34A patent/GB439990A/en not_active Expired
- 1934-08-04 US US738434A patent/US2088419A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB439990A (en) | 1935-12-18 |
| NL70301C (en:Method) | |
| US2088419A (en) | 1937-07-27 |
| FR776581A (fr) | 1935-01-29 |