BE476133A - - Google Patents
Info
- Publication number
- BE476133A BE476133A BE476133DA BE476133A BE 476133 A BE476133 A BE 476133A BE 476133D A BE476133D A BE 476133DA BE 476133 A BE476133 A BE 476133A
- 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
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
- H01J29/18—Luminescent screens
- H01J29/34—Luminescent screens provided with permanent marks or references
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB845340A GB565694A (en) | 1940-05-10 | 1940-05-10 | Improvements in cathode ray tubes and in visual indicating systems for apparatus including cathode ray tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE476133A true BE476133A (https=) |
Family
ID=9852778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE476133D BE476133A (https=) | 1940-05-10 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE476133A (https=) |
| GB (1) | GB565694A (https=) |
-
0
- BE BE476133D patent/BE476133A/xx unknown
-
1940
- 1940-05-10 GB GB845340A patent/GB565694A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB565694A (en) | 1944-11-23 |