IT500148A - - Google Patents
Info
- Publication number
- IT500148A IT500148A IT500148DA IT500148A IT 500148 A IT500148 A IT 500148A IT 500148D A IT500148D A IT 500148DA IT 500148 A IT500148 A IT 500148A
- Authority
- IT
- Italy
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE750304X | 1952-02-08 | ||
| DEP7078A DE959481C (de) | 1952-02-08 | 1952-02-09 | Elektronenstrahl-Abstimmanzeigeroehre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT500148A true IT500148A (ko) |
Family
ID=25947548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT500148D IT500148A (ko) | 1952-02-08 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2805352A (ko) |
| BE (1) | BE517504A (ko) |
| DE (1) | DE959481C (ko) |
| FR (1) | FR1070683A (ko) |
| GB (1) | GB750304A (ko) |
| IT (1) | IT500148A (ko) |
| NL (1) | NL82773C (ko) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL78923C (ko) * | 1940-07-23 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2051188A (en) * | 1935-06-27 | 1936-08-18 | Rca Corp | Tuning indicator tube |
| NL57947C (ko) * | 1935-06-27 | |||
| US2105818A (en) * | 1937-06-22 | 1938-01-18 | Rogers Radio Tubes Ltd | Voltage indicating electron discharge tube |
| US2243408A (en) * | 1938-05-12 | 1941-05-27 | Rca Corp | Visual tuning indicator |
| NL78923C (ko) * | 1940-07-23 | |||
| GB687261A (en) * | 1945-07-24 | 1953-02-11 | Gen Electric | Improvements relating to electric discharge devices |
| CH291029A (de) * | 1949-09-09 | 1953-05-31 | Siemens Ag | Elektronenröhre mit Leuchtschirm, insbesondere zur Abstimmanzeige. |
-
0
- IT IT500148D patent/IT500148A/it unknown
- BE BE517504D patent/BE517504A/xx unknown
- NL NL82773D patent/NL82773C/xx active
-
1952
- 1952-02-09 DE DEP7078A patent/DE959481C/de not_active Expired
-
1953
- 1953-01-06 US US329862A patent/US2805352A/en not_active Expired - Lifetime
- 1953-02-05 GB GB3270/53A patent/GB750304A/en not_active Expired
- 1953-02-06 FR FR1070683D patent/FR1070683A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE517504A (ko) | |
| GB750304A (en) | 1956-06-13 |
| DE959481C (de) | 1957-03-07 |
| FR1070683A (fr) | 1954-08-05 |
| US2805352A (en) | 1957-09-03 |
| NL82773C (ko) |