BE472994A - - Google Patents
Info
- Publication number
- BE472994A BE472994A BE472994DA BE472994A BE 472994 A BE472994 A BE 472994A BE 472994D A BE472994D A BE 472994DA BE 472994 A BE472994 A BE 472994A
- 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
- H01J31/04—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 only one or two output electrodes with only two electrically independant groups or electrodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H01J21/06—Tubes with a single discharge path having electrostatic control means only
- H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
- H01J21/14—Tubes with means for concentrating the electron stream, e.g. beam tetrode
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/78—Tubes with electron stream modulated by deflection in a resonator
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0029—Electron beam tubes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US590463XA | 1942-08-29 | 1942-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE472994A true BE472994A (mo) |
Family
ID=22020469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE472994D BE472994A (mo) | 1942-08-29 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE472994A (mo) |
| FR (1) | FR943973A (mo) |
| GB (1) | GB590463A (mo) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2533405A (en) * | 1945-09-15 | 1950-12-12 | Nat Union Radio Corp | Demodulation apparatus for pulse multiplex pulse time modulated signals |
| US2620454A (en) * | 1950-04-05 | 1952-12-02 | Nat Union Radio Corp | Focused radial beam electron tube |
-
0
- BE BE472994D patent/BE472994A/xx unknown
-
1944
- 1944-03-14 GB GB4772/44A patent/GB590463A/en not_active Expired
-
1947
- 1947-03-26 FR FR943973D patent/FR943973A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB590463A (en) | 1947-07-18 |
| FR943973A (fr) | 1949-03-23 |