FR2173919B1 - - Google Patents
Info
- Publication number
- FR2173919B1 FR2173919B1 FR7245658A FR7245658A FR2173919B1 FR 2173919 B1 FR2173919 B1 FR 2173919B1 FR 7245658 A FR7245658 A FR 7245658A FR 7245658 A FR7245658 A FR 7245658A FR 2173919 B1 FR2173919 B1 FR 2173919B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- H01J23/06—Electron or ion guns
- H01J23/065—Electron or ion guns producing a solid cylindrical beam
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2210160A DE2210160C3 (en) | 1972-03-02 | 1972-03-02 | Electron gun system for time-of-flight tubes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2173919A1 FR2173919A1 (en) | 1973-10-12 |
| FR2173919B1 true FR2173919B1 (en) | 1978-06-09 |
Family
ID=5837734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7245658A Expired FR2173919B1 (en) | 1972-03-02 | 1972-12-21 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3859552A (en) |
| DE (1) | DE2210160C3 (en) |
| FR (1) | FR2173919B1 (en) |
| GB (1) | GB1357469A (en) |
| IT (1) | IT972629B (en) |
| SE (1) | SE386005B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL43254A (en) * | 1972-09-28 | 1976-02-29 | Varian Ass Ciates | Gridded electron gun employing a concave cathode emitter |
| DE2535724A1 (en) * | 1975-08-09 | 1977-02-17 | Licentia Gmbh | Cathode ray tube with axis symmetrical cathode - has shadow grid close to cathode which has circular ridges on its surface |
| US4023061A (en) * | 1976-01-19 | 1977-05-10 | Varian Associates | Dual mode gridded gun |
| US4321505A (en) * | 1978-07-24 | 1982-03-23 | Varian Associates, Inc. | Zero-bias gridded gun |
| US4593230A (en) * | 1982-03-29 | 1986-06-03 | Litton Systems, Inc. | Dual-mode electron gun |
| US4553064A (en) * | 1983-08-30 | 1985-11-12 | Hughes Aircraft Company | Dual-mode electron gun with improved shadow grid arrangement |
| US4748369A (en) * | 1986-04-10 | 1988-05-31 | Star Microwave | Electron gun assembly useful with traveling wave tubes |
| US4745324A (en) * | 1986-05-12 | 1988-05-17 | Litton Systems, Inc. | High power switch tube with Faraday cage cavity anode |
| US5990622A (en) * | 1998-02-02 | 1999-11-23 | Litton Systems, Inc. | Grid support structure for an electron beam device |
| CN104078296B (en) * | 2014-07-02 | 2016-09-14 | 南京三乐电子信息产业集团有限公司 | A kind of grided electron gun of high assembly precision |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2694159A (en) * | 1949-03-22 | 1954-11-09 | Bell Telephone Labor Inc | Microwave amplifier |
| NL241133A (en) * | 1959-07-09 | |||
| US3132275A (en) * | 1960-05-31 | 1964-05-05 | Eitel Mccullough Inc | Electron gun and cathode heater assembly therefor |
| US3377492A (en) * | 1965-08-03 | 1968-04-09 | Hughes Aircraft Co | Flood gun for storage tubes having a dome-shaped cathode and dome-shaped grid electrodes |
| US3484645A (en) * | 1967-03-06 | 1969-12-16 | Us Army | Non-intercepting grid structure for an electron tube |
| US3500110A (en) * | 1967-08-23 | 1970-03-10 | Raytheon Co | Noncurrent intercepting electron beam control element |
| FR1582070A (en) * | 1968-04-26 | 1969-09-26 | ||
| US3558967A (en) * | 1969-06-16 | 1971-01-26 | Varian Associates | Linear beam tube with plural cathode beamlets providing a convergent electron stream |
-
1972
- 1972-03-02 DE DE2210160A patent/DE2210160C3/en not_active Expired
- 1972-12-07 GB GB5659072A patent/GB1357469A/en not_active Expired
- 1972-12-20 IT IT33243/72A patent/IT972629B/en active
- 1972-12-21 FR FR7245658A patent/FR2173919B1/fr not_active Expired
-
1973
- 1973-02-12 US US331809A patent/US3859552A/en not_active Expired - Lifetime
- 1973-03-02 SE SE7302971A patent/SE386005B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2210160B2 (en) | 1974-09-12 |
| IT972629B (en) | 1974-05-31 |
| DE2210160A1 (en) | 1973-09-13 |
| SE386005B (en) | 1976-07-26 |
| GB1357469A (en) | 1974-06-19 |
| US3859552A (en) | 1975-01-07 |
| DE2210160C3 (en) | 1975-04-30 |
| FR2173919A1 (en) | 1973-10-12 |