H01J 25/22
Reflex klystrons, i.e. tubes having one or more resonators, with a single
Official title: Reflex klystrons, i.e. tubes having one or more resonators, with a single reflection of the electron stream, and in which the stream is modulated mainly by velocity in the modulator zone
H01J25/22 (Reflex klystrons, i.e. tubes having one or more resonators, with a single) appears on 7 US grants and 4 published applications in this corpus.
Search patents in H01J- Granted patents
- 7
- Published applications
- 4
- Assignees
- 5
- Inventors
- 19
- Latest grant
- 26 Dec 2017
Filings by year
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| 1976 | 1 | 0 |
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| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 2 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Detecting system based on terahertz wave26 Dec 2017US 9,852,871 B1Hon Hai Precision Industry Co., Ltd.
- Tera Hertz reflex klystron5 Dec 2017US 9,837,241 B2Hon Hai Precision Industry Co., Ltd.
- Electron emission device and reflex klystron with the same5 Apr 2016US 9,305,738 B2Hon Hai Precision Industry Co., Ltd.
- Transducer with field emitter array18 Jan 2005US 6,844,860 B2
- Virtual cathode microwave generator having annular anode slit8 Mar 1988US 4,730,170 AThe United States of America as represented by the Department of Energy
- Detecting system based on terahertz wave7 Dec 2017US 2017/0352516 A1Hon Hai Precision Industry Co., Ltd.
- Tera hertz reflex klystron2 Mar 2017US 2017/0062170 A1Hon Hai Precision Industry Co., Ltd.
- Electron emission device and reflex klystron with the same31 Dec 2015US 2015/0380199 A1Hon Hai Precision Industry Co., Ltd.
- Transducer with field emitter array17 Jul 2003US 2003/0132887 A1
Most cited
By later US patents
- Device for generating RF energy from electromagnetic radiation of another form such as light33US 4,453,108 AWilliam Marsh Rice University · 1984
- Virtual cathode microwave generator having annular anode slit3US 4,730,170 AThe United States of America as represented by the Department of Energy · 1988
- Transducer with field emitter array1US 6,844,860 B22005