CH259504A - Optical shielding on a cathode ray oscillograph. - Google Patents
Optical shielding on a cathode ray oscillograph.Info
- Publication number
- CH259504A CH259504A CH259504DA CH259504A CH 259504 A CH259504 A CH 259504A CH 259504D A CH259504D A CH 259504DA CH 259504 A CH259504 A CH 259504A
- Authority
- CH
- Switzerland
- Prior art keywords
- cathode ray
- optical shielding
- ray oscillograph
- oscillograph
- shielding
- Prior art date
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
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
-
- 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
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/861—Vessels or containers characterised by the form or the structure thereof
-
- 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
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/867—Means associated with the outside of the vessel for shielding, e.g. magnetic shields
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/89—Optical components associated with the vessel
- H01J2229/8909—Baffles, shutters, apertures or the like against external light
- H01J2229/8911—Large-scale devices, e.g. foldable screens
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US259504XA | 1943-12-20 | 1943-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH259504A true CH259504A (en) | 1949-01-31 |
Family
ID=21828955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH259504D CH259504A (en) | 1943-12-20 | 1946-08-23 | Optical shielding on a cathode ray oscillograph. |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE467894A (en) |
| CH (1) | CH259504A (en) |
| FR (1) | FR941201A (en) |
| GB (1) | GB586104A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4556821A (en) * | 1984-03-15 | 1985-12-03 | Rca Corporation | Color image display system having an improved external magnetic shield |
-
0
- BE BE467894D patent/BE467894A/xx unknown
-
1944
- 1944-12-15 GB GB25210/44A patent/GB586104A/en not_active Expired
-
1946
- 1946-03-27 FR FR941201D patent/FR941201A/en not_active Expired
- 1946-08-23 CH CH259504D patent/CH259504A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR941201A (en) | 1949-01-05 |
| GB586104A (en) | 1947-03-06 |
| BE467894A (en) |
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