BE374539A - - Google Patents
Info
- Publication number
- BE374539A BE374539A BE374539DA BE374539A BE 374539 A BE374539 A BE 374539A BE 374539D A BE374539D A BE 374539DA BE 374539 A BE374539 A BE 374539A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/80—Arrangements for controlling the ray or beam after passing the main deflection system, e.g. for post-acceleration or post-concentration, for colour switching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/48—Electron guns
- H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/52—Arrangements for controlling intensity of ray or beam, e.g. for modulation
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US407652A US2109245A (en) | 1929-11-16 | 1929-11-16 | Vacuum tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE374539A true BE374539A (en) |
Family
ID=23612963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE374539D BE374539A (en) | 1929-11-16 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2109245A (en) |
| BE (1) | BE374539A (en) |
| DE (1) | DE623082C (en) |
| FR (1) | FR705523A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB403973A (en) * | 1932-07-04 | 1934-01-04 | Marconi Wireless Telegraph Co | Improvements in or relating to electronic amplifier valves |
| DE878510C (en) * | 1932-07-16 | 1953-06-05 | Aeg | Electron beam tubes for sound film and television purposes |
| US2540621A (en) * | 1948-02-19 | 1951-02-06 | Rca Corp | Electron gun structure |
| US2712975A (en) * | 1949-07-18 | 1955-07-12 | Meditron Company | Electronic diagnostic instruments |
| US3383536A (en) * | 1964-09-22 | 1968-05-14 | Westinghouse Electric Corp | Cathode ray tube generating circular beam by lineal filament critically spaced from circular aperture |
-
0
- BE BE374539D patent/BE374539A/xx unknown
-
1929
- 1929-11-16 US US407652A patent/US2109245A/en not_active Expired - Lifetime
-
1930
- 1930-11-05 DE DE1930623082D patent/DE623082C/en not_active Expired
- 1930-11-10 FR FR705523D patent/FR705523A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR705523A (en) | 1931-06-09 |
| DE623082C (en) | 1935-12-12 |
| US2109245A (en) | 1938-02-22 |