NL60869C - - Google Patents
Info
- Publication number
- NL60869C NL60869C NL60869DA NL60869C NL 60869 C NL60869 C NL 60869C NL 60869D A NL60869D A NL 60869DA NL 60869 C NL60869 C NL 60869C
- Authority
- NL
- Netherlands
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 |
|---|---|---|---|
| GB3488338A GB521983A (en) | 1938-11-30 | 1938-11-30 | Improvements in tuning indicators in radio receiving sets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL60869C true NL60869C (OSRAM) |
Family
ID=10371084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL60869D NL60869C (OSRAM) | 1938-11-30 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR861713A (OSRAM) |
| GB (1) | GB521983A (OSRAM) |
| NL (1) | NL60869C (OSRAM) |
-
0
- NL NL60869D patent/NL60869C/xx active
-
1938
- 1938-11-30 GB GB3488338A patent/GB521983A/en not_active Expired
-
1939
- 1939-11-16 FR FR861713D patent/FR861713A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR861713A (fr) | 1941-02-15 |
| GB521983A (en) | 1940-06-05 |