| Patents for H01J 23 - Details of transit-time tubes of the types covered by group (3,921) |
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| 04/06/2011 | CN201788935U Structure of multi-beam traveling wave tube permanent magnet focusing system |
| 04/06/2011 | CN201788934U Structure of traveling wave tube periodic permanent magnet focusing system |
| 04/06/2011 | CN201788933U Heat radiator of collector of travelling-wave tube |
| 04/06/2011 | CN101521133B Focusing coil for klystron |
| 03/31/2011 | WO2011037498A1 Device for generation of microwaves |
| 03/31/2011 | WO2011037497A1 Device for generation of microwaves |
| 03/31/2011 | US20110074287 Particle beam cooling device |
| 03/30/2011 | CN101999042A Device for dissipating lost heat, and ion accelerator arrangement comprising such a device |
| 03/30/2011 | CN101996836A Collector power supply stabilized voltage control circuit of helical traveling wave tube |
| 03/30/2011 | CN101994092A Magnetron device |
| 03/29/2011 | US7915828 High-voltage pulse generator, and lighting apparatus and vehicle having the same |
| 03/23/2011 | CN101989522A Choking structure of magnetron of microwave oven |
| 03/23/2011 | CN101281849B Apparatus for inhibiting multi-beam klystron higher harmonic mode oscillation and reducing sundry spectrum level |
| 03/22/2011 | US7911145 Spiral electron accelerator for ultra-small resonant structures |
| 03/16/2011 | EP2296165A1 Dual element switched electron gun |
| 03/16/2011 | EP2294597A2 Coupled cavity traveling wave tube |
| 03/09/2011 | CN201758112U Ceramic structure for space traveling wave tube four-stage depressed collector |
| 03/09/2011 | CN201758111U Four stage depressed collector used for space traveling-wave tubes |
| 03/09/2011 | CN101694825B Method for processing tungsten helical line of millimeter wave traveling-wave tube |
| 03/02/2011 | CN101982867A Method for improving gain flatness of coupling cavity traveling-wave tube |
| 02/24/2011 | WO2011022643A2 Crossed field device |
| 02/24/2011 | WO2011021802A2 Electron beam generating apparatus |
| 02/23/2011 | EP2286435A1 Device for the generation of microwaves |
| 02/15/2011 | US7888873 Dynamic depressed collector |
| 02/15/2011 | US7888871 Compact fluorescent lamp |
| 02/15/2011 | US7888653 Techniques for independently controlling deflection, deceleration and focus of an ion beam |
| 02/09/2011 | CN201741660U Coiling slow wave apparatus capable of on-line measuring temperature distribution |
| 02/09/2011 | CN201741659U Space traveling wave tube collector electrode radiator |
| 02/09/2011 | CN101651074B Ridge loading zigzag waveguide slow wave line |
| 02/09/2011 | CN101615554B Curved groove loading winding waveguide slow wave line |
| 02/08/2011 | US7884333 Particle beam and crabbing and deflecting structure |
| 02/02/2011 | CN201732759U Magnetron cooling water sheath |
| 02/02/2011 | CN101964290A Multi-stage depressed collector material and preparation and surface treatment method thereof |
| 01/27/2011 | DE102009033546A1 Supply endblock to supply sputter cathode with coolant, comprises housing with connection opening, fastening area for introducing housing on first supporting surface and bearing opening, supporting component, shaft, and supporting unit |
| 01/27/2011 | DE102009032759A1 Vorrichtung zur Vermeidung von parasitären Schwingungen in Elektronenstrahlröhren Device for avoiding parasitic oscillations in electron tubes |
| 01/20/2011 | WO2011006588A1 Device for preventing parasitic oscillations in electron beam tubes |
| 01/19/2011 | CN201717234U Energy transfer window structure for X-waveband space traveling-wave tube |
| 01/19/2011 | CN201717233U Magnetron |
| 01/19/2011 | CN201717232U Slow-wave structure for L-band space traveling wave tube |
| 01/19/2011 | CN201717231U Annealing tooling structure for load chip of traveling-wave tube slow-wave system |
| 01/19/2011 | CN201717230U Anode control electron gun structure for space traveling wave tube |
| 01/19/2011 | CN201717229U Miniaturized traveling wave tube (twt) collector air-cooled radiator structure |
| 01/19/2011 | CN201717228U Inner core structure used for four-stage depressed collector of space traveling-wave tube |
| 01/19/2011 | CN101459027B Magnetron |
| 01/13/2011 | US20110006678 Hollow beam electron gun for use in a klystron |
| 01/12/2011 | CN101944469A Reversed-field permanent-magnet focusing system for multi-beam millimeter wave traveling-wave tubes and manufacturing method thereof |
| 01/12/2011 | CN101944468A Multi-element high temperature-resistant shock-resistant magnetron cathode |
| 01/12/2011 | CN101944467A Collector of traveling wave tube |
| 01/05/2011 | CN101937820A Sealing structure for window plate of gyrotron output window |
| 12/30/2010 | DE112008003705T5 Anwendung der Breitbandabtastung für die Lichtbogenerfassung mit einem Wahrscheinlichkeitsmodell zum quantitativen Messen von Lichtbogenereignissen Application of broadband scanning for arc detection using a probabilistic model for the quantitative measurement of arc events |
| 12/08/2010 | CN1679217B Apparatus and method for powering multiple magnetrons using a single power supply |
| 12/08/2010 | CN101908456A High-frequency structure and centering method for gyrotron amplifier |
| 12/01/2010 | CN201663142U Slow wave line for traveling-wave tube |
| 12/01/2010 | CN201663141U Ladder type slow-wave lines of coupling slots for travelling-wave tube |
| 12/01/2010 | CN201663140U Sealing structure for ceramics and metal pin |
| 12/01/2010 | CN101901732A Fiber grating clamp-type helical line slow-wave structure |
| 11/30/2010 | US7842907 Microwave generator |
| 11/24/2010 | CN101896990A Auxiliary electrodes for enhanced electrostatic discharge |
| 11/24/2010 | CN101894724A V-shaped micro-strip meander-line slow wave structure |
| 11/24/2010 | CN101894723A Collector radiation radiator of space traveling wave tube |
| 11/11/2010 | WO2010129657A1 Multiple output cavities in sheet beam klystron |
| 11/09/2010 | CA2295253C An electron beam tube having a tubular capacitor |
| 11/04/2010 | US20100277066 Spiral Electron Accelerator for Ultra-Small Resonant Structures |
| 11/03/2010 | CN201622995U Outgoing end assembly for four-level depressed collector of space travelling wave tube |
| 11/03/2010 | CN101599401B Method for inhibiting oscillation of binode magnetic injection gun region of gyrotron amplifier |
| 11/03/2010 | CN101281850B Magnetron and electromagnetic wave shielding gasket |
| 11/02/2010 | US7826595 Micro-focus field emission x-ray sources and related methods |
| 10/26/2010 | US7821207 Lighting unit and discharge lamp |
| 10/19/2010 | US7816871 Projector and method of turning on light source device of projector |
| 10/13/2010 | CN101299477B Grooved waveguide for electron cyclotron |
| 10/12/2010 | US7812540 Method for making electrodes and vacuum tube using same |
| 10/06/2010 | EP2237304A2 Magnetron for microwave oven |
| 10/06/2010 | CN101853759A Magnetron for microwave oven |
| 10/06/2010 | CN101452801B Case for magnetron |
| 10/05/2010 | US7808182 Electron gun and magnetic circuit for an improved THz electromagnetic source |
| 09/30/2010 | US20100244690 Collector and electron tube |
| 09/29/2010 | EP2233241A1 Soldering material, lamp bulb, magnetron and soldering method |
| 09/29/2010 | CN201594523U Anode-control electron gun for traveling-wave tubes with perveance thereof being 0.6 muP |
| 09/29/2010 | CN201594522U Pressure welding type collector |
| 09/29/2010 | CN101847556A Magnetron |
| 09/22/2010 | EP2229686A1 Auxiliary electrodes for enhanced electrostatic discharge |
| 09/22/2010 | CN101843178A Application of wideband sampling for arc detection with a probabilistic model for quantitatively measuring arc events |
| 09/22/2010 | CN101840834A Trapezoidal slow wave lines of coupling slot for traveling wave tube |
| 09/22/2010 | CN101840833A Ceramic lead for high-power pulsed magnetron |
| 09/22/2010 | CN101840832A Ceramic output window for high-power pulsed magnetron |
| 09/22/2010 | CN101178609B Method and device for adjusting the electrical power supply of a magnetron, and installation for treatment of thermoplastic containers applying same |
| 09/21/2010 | US7801448 Wireless communication system with high efficiency/high power optical source |
| 09/21/2010 | US7800289 Electrodeless gas discharge lamp |
| 09/16/2010 | WO2010103028A1 Interaction tip for a power rf cavity |
| 09/15/2010 | CN101834106A Tungsten-based impregnated cathode and preparation method thereof |
| 09/15/2010 | CN101620968B Large-cyclotron electron gun with axial signal input of cusped magnetic field |
| 09/15/2010 | CN101447384B Multi-level depressurization collector for traveling wave tube |
| 09/15/2010 | CN101017921B High-power ridge wave guide microwave window |
| 09/08/2010 | CN1779890B Cooling bolt of magnetron |
| 09/02/2010 | WO2010097882A1 Magnetron and microwave utilization device |
| 09/02/2010 | WO2010097881A1 Magnetron and microwave utilization device |
| 09/01/2010 | CN201570473U Water jacket for cooling anode of continuous microwave magnetron with small power |
| 09/01/2010 | CN101819912A Slow-wave system structure of dual mode traveling wave tube |
| 09/01/2010 | CN101107693B Magnetron control method, microwave generation device, processing device |
| 08/25/2010 | CN101383253B Preparation for slow wave component of spiral line travelling-wave tube |