| Patents for H01J 23 - Details of transit-time tubes of the types covered by group (3,921) |
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| 02/22/2012 | CN202150438U 一种脊加载曲折矩形槽波导慢波线 One kind of rectangular groove ridge waveguide slow loading tortuous line |
| 02/22/2012 | CN202150437U Water cooling jacket with good heat dissipation performance |
| 02/22/2012 | CN202150436U 一种小型化管脚绝缘子的结构 A miniaturized pin insulator structure |
| 02/21/2012 | US8120257 Organic electroluminescence lighting device |
| 02/15/2012 | CN102354646A Preparation method of active substance for multi-injection cathode |
| 02/15/2012 | CN101533748B 螺旋线行波管慢波系统改进的热缩夹持方法 Helix TWT slow system improvements shrink clamping method |
| 02/14/2012 | US8115392 Device for generation of microwaves |
| 02/01/2012 | CN202134500U 一种用于宽带毫米波行波管能量耦合波导的定位装置 A broadband millimeter-wave energy coupling waveguide TWT positioning device for |
| 02/01/2012 | CN102339711A Magnetron capable of realizing miniaturization of microwave equipment |
| 02/01/2012 | CN102339710A Magnetron |
| 02/01/2012 | CN102339709A Magnetron with uniform field distribution |
| 02/01/2012 | CN102339708A Gradient ridge loading tortuous waveguide slow wave line |
| 02/01/2012 | CN102339707A Magnetron with high output power |
| 01/25/2012 | CN102334174A Magnetron and microwave utilization device |
| 01/25/2012 | CN102334173A Magnetron and microwave utilization device |
| 01/19/2012 | WO2012008580A1 End hat for magnetron, process for producing same, and magnetron |
| 01/18/2012 | EP1466343B1 Electronic tube with simplified collector |
| 01/18/2012 | CN202120859U Arc-shaped micro-strip curve plane slow wave device |
| 01/18/2012 | CN202120858U Heat radiation module apparatus for magnetron |
| 01/18/2012 | CN102324364A High-current sliding contact device in vacuum apparatus or sealing device |
| 01/18/2012 | CN102324363A Ridge-loaded zigzag rectangular groove waveguide slow wave line |
| 01/18/2012 | CN102324362A Circular-arc microstrip curve plane slow wave device |
| 01/18/2012 | CN102054645B Wideband traveling wave tube slow wave system and fabrication method thereof |
| 01/18/2012 | CN101964290B Multi-stage depressed collector material and preparation and surface treatment method thereof |
| 01/11/2012 | CN202111052U Fluctuant waveguide slow wave structure |
| 01/11/2012 | CN102315063A Input/output structure of broadband phase shift travelling wave tube |
| 01/11/2012 | CN102315062A Long-life filmed impregnated barium-tungsten cathode and preparation method thereof |
| 01/11/2012 | CN101840834B Trapezoidal slow wave lines of coupling slot for traveling wave tube |
| 01/10/2012 | US8093816 Cold cathode tube lamp |
| 01/04/2012 | EP2402974A1 Magnetron and microwave utilization device |
| 01/04/2012 | CN202103007U Water cooling magnetron |
| 01/04/2012 | CN102306599A Curved ridge-loading rectangular slot waveguide slow wave line |
| 12/29/2011 | DE102011014982A1 Magnetron Magnetron |
| 12/28/2011 | CN202094077U 新型磁控管阴极发射灯丝 The new magnetron cathode filament emission |
| 12/21/2011 | CN202084622U 射频宽带高功率电子管放大器同轴折叠输出谐振腔 RF broadband high power tube amplifier output coaxial cavity fold |
| 12/15/2011 | US20110304283 High Average Current, High Quality Pulsed Electron Injector |
| 12/15/2011 | DE102009032759B4 Vorrichtung zur Vermeidung von parasitären Schwingungen in Elektronenstrahlröhren Device for avoiding parasitic oscillations in electron tubes |
| 12/14/2011 | CN202076224U 一种用于微波功率模块的行波管结构 TWT structure for microwave power modules |
| 12/14/2011 | CN202076223U 一种螺旋线行波管的加载慢波结构 Load a slow wave structure helix traveling wave tube |
| 12/14/2011 | CN101615545B 一种行波管管壳的制造方法 A method for producing a wave tube envelope line |
| 12/01/2011 | US20110291559 Terahertz sheet beam klystron |
| 11/30/2011 | CN102265374A 磁控管以及使用微波的设备 Magnetron and microwave device |
| 11/30/2011 | CN102262993A 磁控管的散热模组装置 Magnetron cooling module device |
| 11/24/2011 | WO2011144918A1 Electron tube |
| 11/23/2011 | CN102254771A Slow wave system of multi-travelling wave tube of coupling cavity |
| 11/16/2011 | EP1522084B1 Method and apparatus for magnetic focusing of off-axis electron beam |
| 11/16/2011 | CN202042451U Novel cooling and heat-insulating device for magnetrons |
| 11/16/2011 | CN102243972A Broadband traveling-wave tube energy output window and manufacturing method thereof |
| 11/16/2011 | CN102243971A Cathode wire structure for magnetron |
| 11/16/2011 | CN101707174B Device for restraining pi mode oscillation of double-gap coupling cavity of multiple-beam klystron |
| 11/09/2011 | CN102238765A Antenna cap of magnetron |
| 11/09/2011 | CN102237241A Negative seal cover of magnetron |
| 11/09/2011 | CN102237240A Filtering structure of magnetron |
| 11/09/2011 | CN102237239A Choking structure of magnetron |
| 11/09/2011 | CN102237238A Cathode lead structure of magnetron |
| 11/09/2011 | CN102237237A Negative part structure of magnetron |
| 11/09/2011 | CN102237236A Radiating structure of anode of magnetron |
| 11/09/2011 | CN102237235A Magnetic pole structure of magnetron |
| 11/03/2011 | WO2011136282A1 End hat for magnetron and method for producing same, and magnetron |
| 11/02/2011 | CN202025710U Coupling cylinder structure for adjusting traveling wave tube standing wave ratio |
| 11/02/2011 | CN202025709U Slow wave structure used for Ku waveband traveling-wave tube |
| 10/26/2011 | CN102227799A Magnetron and device using microwaves |
| 10/19/2011 | CN202013864U Preheating circuit for magnetron filament |
| 10/18/2011 | US8040067 Magnetron with cathode decoupled from output |
| 10/12/2011 | EP2374143A1 Reduction of multipacting by means of spatially varying magnetization |
| 10/12/2011 | CN102214540A Wide-pulse low-loss negative voltage modulator for control electrode of space traveling wave tube |
| 10/12/2011 | CN101740296B Lateral side cooling structure for drift section of sheet beam klystron |
| 10/06/2011 | WO2011120995A1 Device for thermally controlling an electron tube having a radiating collector, comprising a screen, a fluid loop and a high-temperature radiator |
| 10/06/2011 | WO2011120981A1 Device for controlling the temperature of a tube having a radiating collector |
| 10/05/2011 | EP2372742A1 Magnetron and microwave-using equipment |
| 10/05/2011 | CN202003944U Multistage depressed collector for ribbon electronic beam traveling wave tubes |
| 10/05/2011 | CN102208316A Magnetron |
| 10/05/2011 | CN102208315A Compact relativity backward wave oscillator (RBWO) with adjustable low-frequency-range frequency |
| 10/05/2011 | CN102208308A Method for frame mounting of non-intercepting gridded electron gun of klystron |
| 10/05/2011 | CN101604608B Resonant cavity structure of millimeter wave gyral klystron amplifier |
| 09/29/2011 | WO2011117654A1 Magnetron |
| 09/28/2011 | CN102201315A Magnetron and microwave oven therewith |
| 09/27/2011 | US8027182 Electric current measurement apparatus, voltage measurement apparatus and power supply apparatus |
| 09/21/2011 | CN102194631A Cathode heating device of magnetron, microwave generating device and method of preheating cathode of magnetron |
| 09/15/2011 | WO2011111396A1 Magnetron, and device using microwaves |
| 09/15/2011 | WO2011111395A1 Magnetron and microwave-using device |
| 09/15/2011 | WO2011110555A1 Radiant screen for a tube including a radiating collector |
| 09/14/2011 | CN102187422A Electron beam generating apparatus |
| 09/14/2011 | CN102184827A Method for improving voltage parameter consistency of filaments of traveling wave tubes |
| 09/14/2011 | CN102184826A Slow wave structure based on semiconductor-filled metal waveguide structure |
| 09/14/2011 | CN102184825A Multi-stage depressed collector of strip-shaped electron beam traveling wave tube |
| 09/07/2011 | EP2363874A1 Magnetron and device using microwaves |
| 09/07/2011 | CN201966173U 一种行波管用螺旋线低电阻率复合涂层 One kind of helix traveling wave tubes low resistivity composite coating |
| 09/07/2011 | CN201966172U 行波管散热装置 TWT cooling devices |
| 09/07/2011 | CN101901732B Fiber grating clamp-type helical line slow-wave structure |
| 09/07/2011 | CN101625950B Press type barium-tungsten cathode containing yttrium and preparation method thereof |
| 09/01/2011 | WO2011106641A1 Non-scaling fixed field alternating gradient magnetic field for confining charged particles to compact orbits |
| 08/31/2011 | EP2150965B1 Method and apparatus for collector sweeping control of an electron beam |
| 08/31/2011 | CN201956316U 用于空间行波管的小型化收集极绝缘结构 Miniaturization collected for space TWT gate insulating structure |
| 08/31/2011 | CN101752158B Method for improving slow wave component heat dispersion by utilizing nano material |
| 08/25/2011 | DE102010009024A1 HF-Resonatorkavität und Beschleuniger RF resonator cavity and accelerator |
| 08/24/2011 | CN201946562U 一种多注行波管电流控制装置 A multi-beam traveling wave tube current control device |
| 08/24/2011 | CN201946561U 一种耦合腔行波管吸收器结构 One kind of coupled-cavity TWT absorber structure |
| 08/24/2011 | CN201946560U 一种多注行波管体吸收器结构 A multi-beam traveling wave tube absorber structure |
| 08/24/2011 | CN201946559U 一种可抑制振荡的螺旋线行波管 That inhibits oscillation helix TWT |