Patents
Sitemap › H01 - Basic electric elements › H01J - Electric discharge tubes or discharge lamps › H01J 25 - Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
Patents for H01J 25 - Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons (1,999)
03/2011
03/23/2011CN101281849B Apparatus for inhibiting multi-beam klystron higher harmonic mode oscillation and reducing sundry spectrum level
03/16/2011EP2296165A1 Dual element switched electron gun
03/16/2011EP2294597A2 Coupled cavity traveling wave tube
03/15/2011US7906912 Magnetron
03/10/2011US20110057563 Electronic Frequency Tuning Magnetron
03/09/2011CN201758112U Ceramic structure for space traveling wave tube four-stage depressed collector
03/09/2011CN201758111U Four stage depressed collector used for space traveling-wave tubes
03/01/2011US7898181 Traveling wave tube
02/2011
02/24/2011WO2011022643A2 Crossed field device
02/23/2011EP2286435A1 Device for the generation of microwaves
02/22/2011US7893621 Eggbeater transparent cathode for magnetrons and ubitrons and related methods of generating high power microwaves
02/22/2011US7893620 Traveling-wave tube turn-off body energy circuit
02/09/2011CN201741659U Space traveling wave tube collector electrode radiator
02/02/2011CN101964290A Multi-stage depressed collector material and preparation and surface treatment method thereof
01/2011
01/27/2011US20110018435 Mode-selective interactive structure for gyrotrons
01/20/2011WO2011006588A1 Device for preventing parasitic oscillations in electron beam tubes
01/20/2011US20110012508 Modular magnetron
01/19/2011CN201717231U Annealing tooling structure for load chip of traveling-wave tube slow-wave system
01/19/2011CN201717230U Anode control electron gun structure for space traveling wave tube
01/19/2011CN201717229U Miniaturized traveling wave tube (twt) collector air-cooled radiator structure
01/19/2011CN201717228U Inner core structure used for four-stage depressed collector of space traveling-wave tube
01/19/2011CN101459027B Magnetron
01/12/2011CN101944467A Collector of traveling wave tube
12/2010
12/30/2010US20100327743 Microwave structure for microwave tube beam confinement device with permanent magnets and enhanced cooling
12/30/2010DE102005013925B4 Mikrowellengenerator Microwave generator
12/29/2010WO2010151458A1 Magnetically insulated cold-cathode electron gun
12/29/2010CN101930886A Dual-mode gyrotron traveling wave tube amplifier
12/21/2010US7855495 Magnetron with relatively fixed yoke and cooling block by means of a cushioning material and fixing member
12/08/2010CN101527245B Tube core of magnetron
11/2010
11/30/2010US7842907 Microwave generator
11/24/2010CN101894723A Collector radiation radiator of space traveling wave tube
11/18/2010US20100289408 Single photon source
11/11/2010US20100283390 Plasma lamp
11/10/2010CN201629290U Tunable backward wave tube
11/10/2010CN101882549A Magnetron
11/10/2010CN101195906B Position controlled dual magnetron
11/03/2010CN201622995U Outgoing end assembly for four-level depressed collector of space travelling wave tube
11/03/2010CN101281850B Magnetron and electromagnetic wave shielding gasket
10/2010
10/19/2010US7816871 Projector and method of turning on light source device of projector
10/12/2010US7812540 Method for making electrodes and vacuum tube using same
10/06/2010EP2237304A2 Magnetron for microwave oven
10/06/2010CN101853759A Magnetron for microwave oven
09/2010
09/29/2010EP2233241A1 Soldering material, lamp bulb, magnetron and soldering method
09/22/2010CN201590391U Magnet control pipe
09/21/2010US7801448 Wireless communication system with high efficiency/high power optical source
09/16/2010WO2010103028A1 Interaction tip for a power rf cavity
09/16/2010US20100231144 Microwave system for driving a linear accelerator
09/15/2010CN101620968B Large-cyclotron electron gun with axial signal input of cusped magnetic field
09/15/2010CN101447384B Multi-level depressurization collector for traveling wave tube
09/08/2010CN1779890B Cooling bolt of magnetron
09/01/2010CN201570473U Water jacket for cooling anode of continuous microwave magnetron with small power
08/2010
08/24/2010US7783388 Actuator with memory part for building management system
08/18/2010CN201556599U Special driving power supply for magnetrons
08/17/2010US7777194 Charged particle beam apparatus
08/11/2010EP2215740A1 Wireless identification system using a directed-energy device as a tag reader
08/11/2010CN101800145A Collecting electrode used for traveling wave tube and manufacture method thereof
07/2010
07/29/2010WO2010085653A1 Multi-mode, multi-frequency, two-beam accelerating device and method
07/28/2010CN101788638A Magnetron service life judgment method, magnetron service life judgment device
07/28/2010CN101329977B Common frequency iso-mode whirling traveling-wave klystron amplifier
07/08/2010US20100171423 Output window
07/07/2010CN101770921A Frequency-multiplier klystron and manufacture method thereof
07/06/2010US7750573 Method and apparatus for automatic high power tube recovery
07/06/2010US7750572 High-power microwave tube with beam spreading in the collector
06/2010
06/23/2010CN101752167A Upper yoke plate structure of magnetron of microwave oven
06/22/2010US7741783 Microwave generator
06/16/2010CN101740296A Lateral side cooling structure for drift section of sheet beam klystron
06/10/2010US20100141143 Coaxial cavity gyrotron with two electron beams
06/02/2010CN101388314B Magnetron for microwave oven
06/02/2010CN101308752B Common frequency multi-mode multi-stage whirling traveling-wave tube amplifier
05/2010
05/26/2010CN101714489A Magnetron
05/19/2010CN201478251U Suction tube-free magnetic control tube core
05/19/2010CN201478250U Magnetron
05/12/2010CN201465984U C-band high-power permanent-magnet focusing klystron
05/12/2010CN1855351B Magnetron for microwave oven
05/12/2010CN1841635B Magnetron
05/12/2010CN101707174A Device for restraining pi mode oscillation of double-gap coupling cavity of multiple-beam klystron
05/11/2010US7714513 Electron beam induced resonance
05/11/2010CA2404622C Magnetrons
05/05/2010CN1691263B Magnetron
05/04/2010US7710041 Microwave tube
05/04/2010US7710040 Single layer construction for ultra small devices
04/2010
04/22/2010WO2010044719A1 Vircator with variable frequency and polarisation
04/15/2010US20100090602 Strong power compact microwave tube
04/15/2010US20100090601 Grid for vacuum electron device and method for manufacture of same
04/13/2010US7696697 Magnetron
04/13/2010US7696696 Magnetron having a transparent cathode and related methods of generating high power microwaves
04/13/2010CA2338653C Magnetrons
04/08/2010US20100087323 Method of enhancing efficacy of electrical apparatuses
03/2010
03/31/2010CN101689463A High frequency helical amplifier and oscillator
03/30/2010US7688132 Method and apparatus for RF input coupling for inductive output tubes and other emission gated devices
03/25/2010WO2010031655A1 Microwave tube with a device for extracting the ions generated in the tube
03/25/2010WO2009149291A3 Coupled cavity traveling wave tube
03/18/2010US20100066593 Magnetron and radar apparatus
03/17/2010CN100594257C Apparatus and method for partial implantation using wide beam
03/04/2010DE102007026536A1 Microwave device for generating microwaves has a virtual coaxial cathode oscillator and an inner cylindrical tube forming an anode
03/04/2010DE102007026535A1 Microwaves generation device comprises virtual cathode oscillator in coaxial construction having outer cylindrical tube constituting cathode including electrically conductive body, and inner cylindrical tube constituting anode
03/02/2010US7670203 Process for making an on-chip vacuum tube device
02/2010
02/17/2010CN201408737Y 磁控管 Magnetron
02/10/2010EP2150965A1 Method and apparatus for collector sweeping control of an electron beam
02/03/2010CN100587890C Magnetron and method for connecting magnetron elements
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