BE429825A - - Google Patents
Info
- Publication number
- BE429825A BE429825A BE429825DA BE429825A BE 429825 A BE429825 A BE 429825A BE 429825D A BE429825D A BE 429825DA BE 429825 A BE429825 A BE 429825A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
- H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
- H01J31/14—Magic-eye or analogous tuning indicators
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB23298/37A GB495732A (en) | 1937-08-25 | 1937-08-25 | Improvements in or relating to cathode ray tuning indicators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE429825A true BE429825A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=10193366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE429825D BE429825A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1937-08-25 |
Country Status (3)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2465041A (en) * | 1942-12-12 | 1949-03-22 | Svenska Elektronror Ab | Electron discharge device |
| US2486814A (en) * | 1944-10-07 | 1949-11-01 | Gen Electric | Electric discharge device of the indicator type |
| DE975723C (de) * | 1951-12-06 | 1962-06-28 | Telefunken Patent | Schaltung zur Abstimmungsanzeige |
| US3065368A (en) * | 1957-12-27 | 1962-11-20 | Westinghouse Electric Corp | Cathode ray device |
-
0
- BE BE429825D patent/BE429825A/xx unknown
-
1937
- 1937-08-25 GB GB23298/37A patent/GB495732A/en not_active Expired
-
1938
- 1938-08-22 FR FR842452D patent/FR842452A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR842452A (fr) | 1939-06-13 |
| GB495732A (en) | 1938-11-18 |