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Class Information
Number: 331/79
Name: Oscillators > Beam tube
Description: Subject matter wherein (1) the active element of the oscillator comprises a space discharge device consisting of a source of charged particles, means for concentrating the particles into a directed beam, means for exerting a control on the beam (e.g., beam accelerating electrode, control grid, deflecting means, slow wave structure, buncher type resonator, reflector electrode, etc.) and means for deriving output oscillatory energy from the controlled beam.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7403076 |
High frequency quasi optical power source capable of solid state implementation |
Jul. 22, 2008 |
| 7378914 |
Solid-state high-power oscillators |
May. 27, 2008 |
| 6448850 |
Electromagnetic wave amplifier and electromagnetic wave generator |
Sep. 10, 2002 |
| 6300715 |
Very high power radiofrequency generator |
Oct. 9, 2001 |
| 5805025 |
Radial electron-beam-breakup transit-time oscillator |
Sep. 8, 1998 |
| 5777572 |
Device for damaging electronic equipment using unfocussed high power millimeter wave beams |
Jul. 7, 1998 |
| 5719470 |
Gyrotron capable of outputting a plurality of wave beams of electromagnetic waves |
Feb. 17, 1998 |
| 5550432 |
Smart adaptive vacuum electronics |
Aug. 27, 1996 |
| 5374873 |
Gyrotron apparatus having vibration absorbing means |
Dec. 20, 1994 |
| 5373263 |
Transverse mode electron beam microwave generator |
Dec. 13, 1994 |
| 5281894 |
Dual cavity for a dual frequency gyrotron |
Jan. 25, 1994 |
| 5266868 |
Gyrotron including quasi-optical mode converter |
Nov. 30, 1993 |
| 5235248 |
Method and split cavity oscillator/modulator to generate pulsed particle beams and electromagnetic fields |
Aug. 10, 1993 |
| 5232902 |
Method and apparatus for modulating relativistic electron beams to produce microwaves using a superconducting passage |
Aug. 3, 1993 |
| 5187409 |
Gyrotron having a quasi-optical mode converter |
Feb. 16, 1993 |
| 5187408 |
Quasi-optical component and gyrotron having undesired microwave radiation absorbing means |
Feb. 16, 1993 |
| 5180944 |
Gyrotron with a mode convertor which reduces EM wave leakage |
Jan. 19, 1993 |
| 5164634 |
Electron beam device generating microwave energy via a modulated virtual cathode |
Nov. 17, 1992 |
| 5146184 |
Atomic clock system with improved servo system |
Sep. 8, 1992 |
| 5144194 |
Quasi-optical gyrotron having angularly spaced quasi-optical resonators lying in a common plane |
Sep. 1, 1992 |
| 5138230 |
Quasi-optical gyrotron having a rotatable mount for providing resonator mirrors of a selected frequency |
Aug. 11, 1992 |
| 5134341 |
Quasi-optical gyrotron having a yoke structure shielding the superconductive resonator from unwanted magnetic fields |
Jul. 28, 1992 |
| 5134342 |
Quasi-optical gyrotron having a hologram output coupling |
Jul. 28, 1992 |
| 5113154 |
Microwave generator device with virtual cathode |
May. 12, 1992 |
| 4745336 |
Microwave generation by virtual cathode with phase velocity matching |
May. 17, 1988 |
| 4730170 |
Virtual cathode microwave generator having annular anode slit |
Mar. 8, 1988 |
| 4661744 |
Electromagnetic energy generators having resonating cavity with reflecting zones |
Apr. 28, 1987 |
| 4596967 |
High power microwave generator |
Jun. 24, 1986 |
| 4583025 |
Autogenerator of beams of charged particles |
Apr. 15, 1986 |
| 4553068 |
High power millimeter-wave source |
Nov. 12, 1985 |
| 4395655 |
High power gyrotron (OSC) or gyrotron type amplifier using light weight focusing for millimeter wave tubes |
Jul. 26, 1983 |
| 4345220 |
High power microwave generator using relativistic electron beam in waveguide drift tube |
Aug. 17, 1982 |
| 4331934 |
Cerenkov submillimeter electromagnetic wave oscillator |
May. 25, 1982 |
| 4286230 |
Near millimeter wave generator with dielectric cavity |
Aug. 25, 1981 |
| 4122372 |
Dielectrically loaded waveguide for producing high power coherent microwave radiation |
Oct. 24, 1978 |
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