NL61321C - - Google Patents
Info
- Publication number
- NL61321C NL61321C NL61321DA NL61321C NL 61321 C NL61321 C NL 61321C NL 61321D A NL61321D A NL 61321DA NL 61321 C NL61321 C NL 61321C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/10—Magnet systems for directing or deflecting the discharge along a desired path, e.g. a spiral path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/04—Tubes having one or more resonators, without reflection of the electron stream, and in which the modulation produced in the modulator zone is mainly density modulation, e.g. Heaff tube
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US294612A US2225447A (en) | 1939-09-13 | 1939-09-13 | Electron discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL61321C true NL61321C (xx) |
Family
ID=23134164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL61321D NL61321C (xx) | 1939-09-13 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2225447A (xx) |
| GB (1) | GB543752A (xx) |
| NL (1) | NL61321C (xx) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE468572A (xx) * | 1940-06-28 | |||
| BE474640A (xx) * | 1941-01-18 | |||
| US2425657A (en) * | 1941-04-17 | 1947-08-12 | Rca Corp | Short-wave apparatus |
| US2440089A (en) * | 1942-08-18 | 1948-04-20 | Rca Corp | Electron discharge device employing cavity resonators |
| US2437279A (en) * | 1942-09-23 | 1948-03-09 | Raytheon Mfg Co | High-power microwave discharge tube |
| US2428554A (en) * | 1942-12-03 | 1947-10-07 | Westinghouse Electric Corp | Ultra high frequency oscillation generator |
| US2454970A (en) * | 1943-10-16 | 1948-11-30 | Gen Electric | Ultra high frequency electric discharge device |
| US2481026A (en) * | 1944-08-15 | 1949-09-06 | Rca Corp | Ultra high frequency electron discharge device having elongated electrodes |
| US2452272A (en) * | 1944-10-28 | 1948-10-26 | Philco Corp | Magnetron |
| GB606177A (en) * | 1945-01-04 | 1948-08-10 | John Henry Owen Harries | Improvements in and relating to electron valves |
| US2460141A (en) * | 1946-06-04 | 1949-01-25 | Gen Electric | Electric discharge device |
| US2909702A (en) * | 1948-10-01 | 1959-10-20 | Siemens Ag | Discharge vessel cooled by radiation |
| USRE25070E (en) * | 1949-08-12 | 1961-10-31 | Electron discharge devices | |
| US2707758A (en) * | 1950-12-19 | 1955-05-03 | Sperry Corp | Travelling wave tube |
| US2925508A (en) * | 1955-07-28 | 1960-02-16 | Sperry Rand Corp | Electron beam focusing structure |
| US2991391A (en) * | 1957-07-24 | 1961-07-04 | Varian Associates | Electron beam discharge apparatus |
| US2991382A (en) * | 1958-03-20 | 1961-07-04 | Nippon Electric Co | Electron beam tube focusing device |
| US3950710A (en) * | 1970-12-17 | 1976-04-13 | The Bendix Corporation | Wide band, in-line, microwave amplifier |
| US4072877A (en) * | 1976-07-30 | 1978-02-07 | English Electric Valve Co., Ltd. | Travelling wave tubes |
| US6084353A (en) * | 1997-06-03 | 2000-07-04 | Communications And Power Industries, Inc. | Coaxial inductive output tube having an annular output cavity |
| GB0404446D0 (en) * | 2004-02-27 | 2004-03-31 | E2V Tech Uk Ltd | Electron beam tubes |
-
0
- NL NL61321D patent/NL61321C/xx active
-
1939
- 1939-09-13 US US294612A patent/US2225447A/en not_active Expired - Lifetime
-
1940
- 1940-09-13 GB GB14183/40A patent/GB543752A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2225447A (en) | 1940-12-17 |
| GB543752A (en) | 1942-03-11 |