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 (forum.php) | 
Family
ID=10371084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| NL60869D NL60869C (forum.php) | 1938-11-30 | 
Country Status (3)
| Country | Link | 
|---|---|
| FR (1) | FR861713A (forum.php) | 
| GB (1) | GB521983A (forum.php) | 
| NL (1) | NL60869C (forum.php) | 
- 
        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 |