NL81057C - - Google Patents
Info
- Publication number
- NL81057C NL81057C NL81057DA NL81057C NL 81057 C NL81057 C NL 81057C NL 81057D A NL81057D A NL 81057DA NL 81057 C NL81057 C NL 81057C
- Authority
- NL
- Netherlands
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
- H01J29/64—Magnetic lenses
- H01J29/68—Magnetic lenses using permanent magnets only
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL720662X | 1952-02-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL81057C true NL81057C (en:Method) |
Family
ID=19816059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL81057D NL81057C (en:Method) | 1952-02-07 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE924705C (en:Method) |
| FR (1) | FR1070399A (en:Method) |
| GB (1) | GB720662A (en:Method) |
| NL (1) | NL81057C (en:Method) |
-
0
- NL NL81057D patent/NL81057C/xx active
-
1953
- 1953-02-04 GB GB3164/53A patent/GB720662A/en not_active Expired
- 1953-02-05 DE DEN6702A patent/DE924705C/de not_active Expired
- 1953-02-06 FR FR1070399D patent/FR1070399A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB720662A (en) | 1954-12-22 |
| DE924705C (de) | 1955-03-07 |
| FR1070399A (fr) | 1954-07-23 |