BE428830A - - Google Patents
Info
- Publication number
- BE428830A BE428830A BE428830DA BE428830A BE 428830 A BE428830 A BE 428830A BE 428830D A BE428830D A BE 428830DA BE 428830 A BE428830 A BE 428830A
- 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
-
- 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 |
|---|---|---|---|
| US150891A US2219117A (en) | 1937-06-29 | 1937-06-29 | Electron discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE428830A true BE428830A (mo) |
Family
ID=22536440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE428830D BE428830A (mo) | 1937-06-29 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2219117A (mo) |
| BE (1) | BE428830A (mo) |
| CH (1) | CH208064A (mo) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2459792A (en) * | 1944-07-08 | 1949-01-25 | Standard Telephones Cables Ltd | Beam type electron discharge device |
| US2466065A (en) * | 1944-09-08 | 1949-04-05 | Tung Sol Lamp Works Inc | Direct-current amplifier and circuit |
| US2538529A (en) * | 1945-12-18 | 1951-01-16 | Komline Sanderson Eng Corp | Centrifuge |
| US2537824A (en) * | 1946-03-30 | 1951-01-09 | Bell Telephone Labor Inc | Magnetron |
| BE475602A (mo) * | 1946-08-23 | |||
| US2512859A (en) * | 1948-06-29 | 1950-06-27 | Rca Corp | Electron discharge power amplifier |
| NL150232B (nl) * | 1948-12-10 | Hoffmann La Roche | Werkwijze voor de bepaling van de (alpha)-amylase-activiteit van een materiaal van menselijke of dierlijke oorsprong, en reagentiagarnituur hiervoor. | |
| US2971117A (en) * | 1956-03-01 | 1961-02-07 | Rca Corp | Color-kinescopes, etc. |
| US3119035A (en) * | 1960-06-23 | 1964-01-21 | Westinghouse Electric Corp | Electron gun structure |
-
0
- BE BE428830D patent/BE428830A/xx unknown
-
1937
- 1937-06-29 US US150891A patent/US2219117A/en not_active Expired - Lifetime
-
1938
- 1938-06-27 CH CH208064D patent/CH208064A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH208064A (de) | 1939-12-31 |
| US2219117A (en) | 1940-10-22 |