BE393490A - - Google Patents
Info
- Publication number
- BE393490A BE393490A BE393490DA BE393490A BE 393490 A BE393490 A BE 393490A BE 393490D A BE393490D A BE 393490DA BE 393490 A BE393490 A BE 393490A
- 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
- H01J29/94—Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
-
- 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
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/06—Screens for shielding; Masks interposed in the electron stream
-
- 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
- H01J29/70—Arrangements for deflecting ray or beam
- H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
- H01J29/74—Deflecting by electric fields only
-
- 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
- H01J29/82—Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2738/32A GB396422A (en) | 1932-01-29 | 1932-01-29 | Improvements in or relating to cathode ray apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE393490A true BE393490A (en:Method) |
Family
ID=9744947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE393490D BE393490A (en:Method) | 1932-01-29 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1973606A (en:Method) |
| BE (1) | BE393490A (en:Method) |
| FR (1) | FR749130A (en:Method) |
| GB (1) | GB396422A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2467506A (en) * | 1944-08-04 | 1949-04-19 | Farnsworth Res Corp | Electron gun |
-
0
- BE BE393490D patent/BE393490A/xx unknown
-
1932
- 1932-01-29 GB GB2738/32A patent/GB396422A/en not_active Expired
- 1932-12-29 US US649400A patent/US1973606A/en not_active Expired - Lifetime
-
1933
- 1933-01-16 FR FR749130D patent/FR749130A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR749130A (fr) | 1933-07-18 |
| US1973606A (en) | 1934-09-11 |
| GB396422A (en) | 1933-07-31 |