GB521983A - Improvements in tuning indicators in radio receiving sets - Google Patents
Improvements in tuning indicators in radio receiving setsInfo
- Publication number
- GB521983A GB521983A GB3488338A GB3488338A GB521983A GB 521983 A GB521983 A GB 521983A GB 3488338 A GB3488338 A GB 3488338A GB 3488338 A GB3488338 A GB 3488338A GB 521983 A GB521983 A GB 521983A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrodes
- screen
- tuning
- radio receiving
- ray tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000013459 approach Methods 0.000 abstract 2
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
Landscapes
- Geophysics And Detection Of Objects (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL60869D NL60869C (enrdf_load_stackoverflow) | 1938-11-30 | ||
GB3488338A GB521983A (en) | 1938-11-30 | 1938-11-30 | Improvements in tuning indicators in radio receiving sets |
FR861713D FR861713A (fr) | 1938-11-30 | 1939-11-16 | Indicateur d'accord pour radio-récepteurs |
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 |
---|---|
GB521983A true GB521983A (en) | 1940-06-05 |
Family
ID=10371084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3488338A Expired GB521983A (en) | 1938-11-30 | 1938-11-30 | Improvements in tuning indicators in radio receiving sets |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR861713A (enrdf_load_stackoverflow) |
GB (1) | GB521983A (enrdf_load_stackoverflow) |
NL (1) | NL60869C (enrdf_load_stackoverflow) |
-
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 |
NL60869C (enrdf_load_stackoverflow) |
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