BE442708A - - Google Patents
Info
- Publication number
- BE442708A BE442708A BE442708DA BE442708A BE 442708 A BE442708 A BE 442708A BE 442708D A BE442708D A BE 442708DA BE 442708 A BE442708 A BE 442708A
- 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
- H01J31/02—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused
- H01J31/06—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused with more than two output electrodes, e.g. for multiple switching or counting
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2570208X | 1939-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE442708A true BE442708A (xx) |
Family
ID=9686617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE442708D BE442708A (xx) | 1939-08-21 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2570208A (xx) |
| BE (1) | BE442708A (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2779893A (en) * | 1950-07-13 | 1957-01-29 | Hartford Nat Bank & Trust Co | Device comprising an electric discharge tube having a concentrated electron beam |
| US2704336A (en) * | 1951-01-03 | 1955-03-15 | Kazan Benjamin | Pulse counting tube |
| US2928971A (en) * | 1957-12-20 | 1960-03-15 | Gen Electric | Infrared camera tube |
| US2947896A (en) * | 1959-02-09 | 1960-08-02 | Gen Electric | Electrostatic deflection and focusing system |
| NL277160A (xx) * | 1961-04-12 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1979392A (en) * | 1931-05-04 | 1934-11-06 | Siemens Ag | Cathode ray tube |
| NL39573C (xx) * | 1932-10-21 | |||
| US2144085A (en) * | 1935-11-07 | 1939-01-17 | Telefunken Gmbh | Electron discharge tube |
| US2107520A (en) * | 1936-02-26 | 1938-02-08 | Rca Corp | Electron discharge device |
| GB475106A (en) * | 1936-05-12 | 1937-11-12 | Marconi Wireless Telegraph Co | Improvements in or relating to electron discharge devices |
| GB498167A (en) * | 1936-09-02 | 1939-01-04 | Philips Nv | Improvements in or relating to electric discharge tubes |
| FR838980A (fr) * | 1937-06-10 | 1939-03-21 | Telefunken Gmbh | Perfectionnements aux sources d'électrons commandées, à surface émissive sensiblement ponctuelle |
| US2159765A (en) * | 1937-06-14 | 1939-05-23 | Philips Nv | Electron discharge device |
| US2252580A (en) * | 1938-04-08 | 1941-08-12 | Telefunken Gmbh | Electron discharge device |
| US2254096A (en) * | 1938-10-01 | 1941-08-26 | Rca Corp | Electron beam discharge device |
| US2380225A (en) * | 1940-06-26 | 1945-07-10 | Cossor Ltd A C | Electron discharge device |
-
0
- BE BE442708D patent/BE442708A/xx unknown
-
1947
- 1947-10-08 US US778574A patent/US2570208A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2570208A (en) | 1951-10-09 |