Patents for H01J 25 - Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons (1,999) |
---|
02/18/1986 | US4571524 Electron accelerator and a millimeter-wave and submillimeter-wave generator equipped with said accelerator |
02/13/1986 | WO1986001032A1 Microwave electron gun |
01/28/1986 | US4567452 Broad-band beam buncher |
01/28/1986 | US4567406 High-gain Klystron-tetrode |
01/28/1986 | US4567402 Electron beam injection device for an ultra-high frequency radio electric wave generator |
01/07/1986 | US4563615 Ultra high frequency radio electric wave generators |
12/31/1985 | US4562380 Tilt-angle electron gun |
12/17/1985 | US4559476 Radio-frequency amplifier |
12/17/1985 | US4559475 For generating millimeter/submillimeter electromagnetic radiations |
12/10/1985 | US4558258 Klystron unit |
12/10/1985 | US4558256 Velocity tapering of comb-quad traveling-wave tubes |
12/03/1985 | USH6 Generation of a modulated IREB with a frequency tunable by a magnetic field |
11/19/1985 | US4554484 Complex cavity gyrotron |
11/19/1985 | US4554483 Active circulator gyrotron traveling-wave amplifier |
11/12/1985 | US4553068 High power millimeter-wave source |
10/29/1985 | US4550271 Gyromagnetron amplifier |
10/22/1985 | US4549111 VHF radioelectric wave generator |
08/06/1985 | US4533875 Wide-band gyrotron traveling-wave amplifier |
07/23/1985 | US4531104 Tunable magnetron of the coaxial-vacuum type |
07/23/1985 | US4531103 Multidiameter cavity for reduced mode competition in gyrotron oscillator |
07/23/1985 | US4531076 Electron beam stimulated electromagnetic radiation generator |
07/02/1985 | US4527094 Altitude compensation for frequency agile magnetron |
07/02/1985 | US4527091 Density modulated electron beam tube with enhanced gain |
06/19/1985 | EP0144317A1 Grid structure for certain plural mode electron guns. |
05/28/1985 | US4520293 High frequency amplifier |
05/21/1985 | US4518932 Coaxial magnetron having cavity walls vibrated by tuning fork |
05/15/1985 | EP0141525A2 Gyrotron device |
04/23/1985 | US4513223 Electron tube with transverse cyclotron interaction |
04/02/1985 | US4508992 Microwave amplifier tube having two ring resonators |
03/19/1985 | US4506190 Linear beam tube with reflected electron trap |
03/06/1985 | EP0133771A2 Cathode driven crossed-field amplifier |
01/29/1985 | US4496876 Frequency-spreading coupler |
01/15/1985 | US4494039 Gyrotron traveling-wave device including quarter wavelength anti-reflective dielectric layer to enhance microwave absorption |
01/03/1985 | WO1985000074A1 Grid structure for certain plural mode electron guns |
01/02/1985 | CA1180446A Twt slow-wave structure assembled from three ladder- like slabs |
01/01/1985 | US4491765 Quasioptical gyroklystron |
11/27/1984 | CA1178710A1 Mode suppression means for gyrotron cavities |
11/21/1984 | EP0125530A2 High-gain klystrode |
11/14/1984 | EP0125167A1 High-power amplifying klystron for feeding a variable load |
11/13/1984 | US4482843 Gyrotron device |
11/07/1984 | EP0124396A1 Electron beam injection device for a microwave generator |
11/07/1984 | EP0124395A1 Electron gun for microwave generators |
10/30/1984 | US4480234 Gyrotron backward wave oscillator device |
10/30/1984 | US4480210 Gridded electron power tube |
10/24/1984 | EP0122834A1 Microwave propagation-mode transformer |
10/17/1984 | EP0122186A1 Microwave generator |
09/26/1984 | EP0119902A1 Microwave cavity resonator, especially for electromagnetic energy generators |
09/25/1984 | CA1175144A1 Collector-output for hollow beam electron tubes |
09/11/1984 | CA1174358A1 Active dielectric waveguide amplifier or oscillator using a high density charged particle beam |
08/21/1984 | CA1173120A1 Extended interaction microwave oscillator |
08/14/1984 | US4465953 Rippled-field magnetron apparatus |
07/03/1984 | CA1170365A1 Gyrotron with improved stability |
06/26/1984 | US4456851 Electron tube having a low impedance reduced stress anode structure |
06/26/1984 | CA1169966A1 Ladder supported ring bar circuit |
06/26/1984 | CA1169965A1 Gyrotron transverse energy equalizer |
06/05/1984 | US4453108 Device for generating RF energy from electromagnetic radiation of another form such as light |
05/29/1984 | CA1168361A1 Microwave delay line incorporating a conductor with a variable cross-section for a travelling-wave tube |
05/15/1984 | CA1167568A1 In-band resonant loss in twt's |
05/08/1984 | CA1167161A1 Gyrotron cavity resonator with an improved value of q |
05/08/1984 | CA1167120A1 High power gyrotron (osc) or gyrotron type amplifier using light weight focusing for millimeter wave tubes |
04/24/1984 | US4445071 Circular beam deflection in gyrocons |
04/24/1984 | US4445070 Electron gun for producing spiral electron beams and gyrotron devices including same |
03/27/1984 | US4439746 Extended interaction microwave oscillator including a sucession of vanes with orifices |
03/20/1984 | CA1164091A1 Traveling wave tube with frequency variable sever length |
02/21/1984 | US4433228 Microwave plasma source |
02/14/1984 | US4431944 Delay line having coupled cavities for a traveling-wave tube and a traveling-wave tube equipped with said line |
12/20/1983 | US4422045 Barnetron microwave amplifiers and oscillators |
12/20/1983 | US4422012 Ladder supported ring bar circuit |
12/13/1983 | US4420710 Co-axial magnetrons |
11/22/1983 | US4417175 Ion sputter textured graphite electrode plates |
11/08/1983 | US4414486 Coupled cavity type traveling wave tube |
11/02/1983 | EP0092790A1 Klystron unit |
11/01/1983 | US4413208 High gain crossed field amplifier tube and radio transmission system equipped with such a tube |
11/01/1983 | US4413207 Multicavity klystron |
10/25/1983 | US4412150 Maser |
10/18/1983 | US4410833 Solid state magnetron |
10/04/1983 | CA1154867A1 Helix traveling wave tubes with reduced gain variation |
08/30/1983 | US4401918 Klystron having electrostatic quadrupole focusing arrangement |
08/09/1983 | US4398121 Mode suppression means for gyrotron cavities |
07/26/1983 | US4395656 Gyrotron transmitting tube |
07/26/1983 | US4395655 High power gyrotron (OSC) or gyrotron type amplifier using light weight focusing for millimeter wave tubes |
07/12/1983 | US4393332 Gyrotron transverse energy equalizer |
07/05/1983 | US4392079 Method of adjusting phase shift in amplification multicavity klystron and device therefor |
07/05/1983 | US4392078 Electron discharge device with a spatially periodic focused beam |
06/29/1983 | EP0082769A1 Frequency multiplier |
06/21/1983 | US4389593 Active dielectric waveguide amplifier or oscillator using a high density charged particle beam |
06/14/1983 | US4388555 Gyrotron with improved stability |
04/26/1983 | US4381475 Variable coupling resistance delay line for crossed field tube |
03/29/1983 | US4378512 Helix type traveling wave tube |
03/22/1983 | US4377770 Microwave delay line incorporating a conductor with a variable cross-section for a travelling-wave tube |
03/16/1983 | EP0074173A1 Improvements in or relating to magnetrons |
03/15/1983 | US4376908 Impedance tapered dematron |
02/22/1983 | CA1141859A1 High power electron beam gyro device |
02/01/1983 | US4371852 Variable pitch delay line for travelling-wave tube and travelling-wave tube equipped with such a line |
01/25/1983 | US4370621 High efficiency gyrotron oscillator and amplifier |
01/12/1983 | EP0069426A2 Microwave amplifier tube with two ring resonators |
01/11/1983 | CA1139444A1 Traveling wave tube with non-reciprocal attenuating adjunct |
12/07/1982 | US4362968 Slow-wave wideband cyclotron amplifier |
11/30/1982 | CA1136764A1 Trirotron: triode rotating beam radio-frequency amplifier |
11/09/1982 | US4358704 Helix traveling wave tubes with reduced gain variation |