BE519456A - - Google Patents
Info
- Publication number
- BE519456A BE519456A BE519456DA BE519456A BE 519456 A BE519456 A BE 519456A BE 519456D A BE519456D A BE 519456DA BE 519456 A BE519456 A BE 519456A
- Authority
- BE
- Belgium
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 |
|---|---|---|---|
| DE315725X | 1952-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE519456A true BE519456A (US20030220297A1-20031127-C00009.png) |
Family
ID=6150269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE519456D BE519456A (US20030220297A1-20031127-C00009.png) | 1952-04-26 |
Country Status (5)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1216443B (de) * | 1959-07-15 | 1966-05-12 | Philips Patentverwaltung | Abstimmanzeigeroehre zur Anzeige von zwei Messwerten |
| GB2144575B (en) * | 1983-08-05 | 1988-04-20 | English Electric Valve Co Ltd | Cathedolumanescent display arrangements |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2051188A (en) * | 1935-06-27 | 1936-08-18 | Rca Corp | Tuning indicator tube |
| US2219506A (en) * | 1936-10-08 | 1940-10-29 | Telefunken Gmbh | Tuning indicator circuit |
| US2105818A (en) * | 1937-06-22 | 1938-01-18 | Rogers Radio Tubes Ltd | Voltage indicating electron discharge tube |
| NL54648C (US20030220297A1-20031127-C00009.png) * | 1937-09-29 | |||
| FR853504A (fr) * | 1938-04-28 | 1940-03-21 | Fides Gmbh | Perfectionnements aux lampes indicatrices électriques |
| BE501568A (US20030220297A1-20031127-C00009.png) * | 1940-07-23 | |||
| US2701319A (en) * | 1950-11-20 | 1955-02-01 | Radiation Res Corp | Electrometer amplifier tube |
| GB721599A (en) * | 1950-12-27 | 1955-01-12 | Standard Telephones Cables Ltd | Amplifying or controlling tube section for the voltages under comparison in voltage-comparing indicator tubes |
-
0
- BE BE519456D patent/BE519456A/xx unknown
-
1953
- 1953-02-04 US US335146A patent/US2829294A/en not_active Expired - Lifetime
- 1953-04-23 GB GB11216/53A patent/GB743268A/en not_active Expired
- 1953-04-24 CH CH315725D patent/CH315725A/de unknown
- 1953-04-24 FR FR1076440D patent/FR1076440A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2829294A (en) | 1958-04-01 |
| CH315725A (de) | 1956-08-31 |
| GB743268A (en) | 1956-01-11 |
| FR1076440A (fr) | 1954-10-26 |
