BE434519A - - Google Patents
Info
- Publication number
- BE434519A BE434519A BE434519DA BE434519A BE 434519 A BE434519 A BE 434519A BE 434519D A BE434519D A BE 434519DA BE 434519 A BE434519 A BE 434519A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- electrodes
- anode
- control
- control electrodes
- Prior art date
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
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US210335A US2167842A (en) | 1938-05-27 | 1938-05-27 | Electron ray voltage indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE434519A true BE434519A (xx) |
Family
ID=22782498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE434519D BE434519A (xx) | 1938-05-27 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2167842A (xx) |
| BE (1) | BE434519A (xx) |
| NL (1) | NL54681C (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2449291A (en) * | 1940-02-26 | 1948-09-14 | Wilcox Gay Corp | Recording apparatus volume level indicator |
| BE501567A (xx) * | 1940-07-23 | |||
| US2455437A (en) * | 1943-11-13 | 1948-12-07 | Distillation Products Inc | Ionization gauge circuits |
| US2457575A (en) * | 1944-05-23 | 1948-12-28 | Rca Corp | Voltage indicator |
| US2784371A (en) * | 1954-12-27 | 1957-03-05 | Bell Aircraft Corp | Fault tester for electron tubes |
| DE1059562B (de) * | 1956-11-03 | 1959-06-18 | Telefunken Gmbh | Schaltung zur Spannungsanzeige mit Hilfe einer Anzeigeroehre |
-
0
- BE BE434519D patent/BE434519A/fr unknown
- NL NL54681D patent/NL54681C/xx active
-
1938
- 1938-05-27 US US210335A patent/US2167842A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2167842A (en) | 1939-08-01 |
| NL54681C (xx) |
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