GB519921A - Visual tuning indicator - Google Patents
Visual tuning indicatorInfo
- Publication number
- GB519921A GB519921A GB15665/39A GB1566539A GB519921A GB 519921 A GB519921 A GB 519921A GB 15665/39 A GB15665/39 A GB 15665/39A GB 1566539 A GB1566539 A GB 1566539A GB 519921 A GB519921 A GB 519921A
- Authority
- GB
- United Kingdom
- Prior art keywords
- target
- grid
- rod
- cathode
- elements
- 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
- 230000000007 visual effect Effects 0.000 title abstract 2
- 239000003086 colorant Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/12—Electrically-operated arrangements for indicating correct tuning
- H03J3/14—Visual indication, e.g. magic eye
-
- 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
- Structure Of Receivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE519921X | 1938-05-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB519921A true GB519921A (en) | 1940-04-09 |
Family
ID=6550720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB15665/39A Expired GB519921A (en) | 1938-05-28 | 1939-05-26 | Visual tuning indicator |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR854990A (enrdf_load_stackoverflow) |
GB (1) | GB519921A (enrdf_load_stackoverflow) |
NL (1) | NL53731C (enrdf_load_stackoverflow) |
-
0
- NL NL53731D patent/NL53731C/xx active
-
1939
- 1939-05-20 FR FR854990D patent/FR854990A/fr not_active Expired
- 1939-05-26 GB GB15665/39A patent/GB519921A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR854990A (fr) | 1940-04-29 |
NL53731C (enrdf_load_stackoverflow) |
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