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Class Information
Number: 330/4.7
Name: Amplifiers > Parametric amplifiers > Traveling wave type > Electron beam device
Description: Subject matter wherein the propagating structure is an electron beam device.

Patents under this class:

Patent Number Title Of Patent Date Issued
8525588 Vacuum electronic device Sep. 3, 2013
8242696 Vacuum electronic device Aug. 14, 2012
8138838 Electron beam switch Mar. 20, 2012
7671687 Electron beam RF amplifier and emitter Mar. 2, 2010
7446601 Electron beam RF amplifier and emitter Nov. 4, 2008
7135917 Left-handed nonlinear transmission line media Nov. 14, 2006
6987360 Backward wave coupler for sub-millimeter waves in a traveling wave tube Jan. 17, 2006
5825140 Radio-frequency type charged particle accelerator Oct. 20, 1998
5363054 Double beam cyclotron maser Nov. 8, 1994
4801847 Charged particle accelerator using quadrupole electrodes Jan. 31, 1989
4533875 Wide-band gyrotron traveling-wave amplifier Aug. 6, 1985
4370621 High efficiency gyrotron oscillator and amplifier Jan. 25, 1983
4350927 Means for the focusing and acceleration of parallel beams of charged particles Sep. 21, 1982
4224576 Gyrotron travelling-wave amplifier Sep. 23, 1980
4105890 Device for electron-beam heating of materials Aug. 8, 1978

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