Patents for H01J 23 - Details of transit-time tubes of the types covered by group (3,921) |
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12/10/1996 | US5583393 Selectively shaped field emission electron beam source, and phosphor array for use therewith |
12/04/1996 | EP0745266A1 Chromatically compensated particle-beam column |
12/03/1996 | US5581153 Electron beam tube having resonant cavity circuit with selectively adjustable coupling arrangement |
11/27/1996 | CN1136705A Electronic beam tube |
11/20/1996 | CN2240783Y Wing-shaped circular-ring wave-diffusing line for power traveling wave tube |
11/19/1996 | US5576679 Cylindrical permanent magnet unit suitable for gyrotron |
11/13/1996 | CN1135650A Multi-beam klystron |
11/07/1996 | WO1996035219A1 Grid electron gun |
11/05/1996 | US5572092 High frequency vacuum tube with closely spaced cathode and non-emissive grid |
10/30/1996 | EP0740311A2 Dielectric material having a low dielectric loss factor for high-frequency use |
10/29/1996 | US5569980 Non-concentric support for crossed-field amplifier |
10/23/1996 | EP0739082A1 Switched inverter-modulator |
10/23/1996 | CN1134032A Use of multiple anodes in magnetron for improving uniformity of its plasma |
10/22/1996 | US5568014 Traveling-wave tube amplifier having collector potential lower than body potential |
10/17/1996 | WO1996032735A2 HOLLOW BEAM ELECTRON TUBE HAVING TM0x0 RESONATORS, WHERE x IS GREATER THAN 1 |
10/16/1996 | CN1133549A Clutter shielding device for magnetron of microwave oven |
10/02/1996 | EP0735560A1 Broad-band travelling-wave tube |
09/25/1996 | EP0734041A1 Cathode-anode spacer comprising a projection of a length limited relative to its distance to the cathode |
09/04/1996 | CN2234283Y Magnetron in microwave therapy apparatus and circuit thereof |
09/03/1996 | US5552672 Magnetron construction particularly useful as a relativistic magnetron |
08/28/1996 | CN1129847A Grid electron tube with improved performance characteristics |
08/28/1996 | CN1129782A Magnetron of microwave oven |
08/27/1996 | US5550432 Smart adaptive vacuum electronics |
08/20/1996 | US5548245 Electron beam tube arrangements having the input cavity comprised of electrically internal and external body portions |
08/20/1996 | US5548105 Universal magnetron assembly for microwave oven |
08/14/1996 | CN1128895A Resonator device |
08/13/1996 | US5545949 Coaxial transmissioin line input transformer having externally variable eccentricity and position |
08/07/1996 | EP0725415A2 Field emission devices employing activated diamond particle emitters and methods for making same |
07/31/1996 | EP0724281A2 Klystron |
07/30/1996 | US5541391 Microwave oven employing a klyston |
07/30/1996 | CA2031044C Method of making a cathode from tungsten powder |
07/16/1996 | US5537084 Method for improving spectrum quality of low power pulsed anode magnetrons |
07/16/1996 | US5537002 Frequency tunable magnetron including at least one movable backwall |
07/16/1996 | US5536992 Linear electron beam tubes arrangements |
07/09/1996 | US5534750 For an electron beam within an rf amplification tube |
07/04/1996 | WO1996020383A1 Circulating fluid heat exchanger |
07/02/1996 | US5532210 High temperature superconductor dielectric slow wave structures for accelerators and traveling wave tubes |
06/26/1996 | EP0718867A1 Grid electron tube with improved performance |
06/26/1996 | EP0718864A1 Field emission devices employing ultra-fine diamond particle emitters |
06/19/1996 | CN1124837A Electronic oven |
06/11/1996 | US5525865 Compact microwave source for exciting electrodeless lamps |
06/11/1996 | US5525864 RF source including slow wave tube with lateral outlet ports |
05/28/1996 | US5521551 Method for suppressing second and higher harmonic power generation in klystrons |
05/22/1996 | EP0713238A1 Resonant cavity with facilitated coupling |
05/15/1996 | EP0711451A1 Device for attenuating interfering waves in an electron tube and electron tube comprising same |
05/14/1996 | US5517082 Traveling wave tube heating coil power supply with varying frequency AC current limiting means |
05/07/1996 | US5514847 Electron beam radiator with cold cathode integral with focusing grid member and process of fabrication thereof |
05/02/1996 | DE19539673A1 Cylindrical permanent magnet unit for gyrotron |
05/01/1996 | EP0709871A1 Multiplecavity klystron |
04/17/1996 | EP0707334A1 Electron beam tubes |
04/16/1996 | US5508583 Cathode support structure for magnetron |
04/02/1996 | US5504393 Combination tuner and second harmonic suppressor for extended interaction klystron |
03/27/1996 | EP0703195A2 Glass plunger insulating system |
03/26/1996 | US5502353 Apparatus for bunching relativistic electrons |
03/26/1996 | US5501390 Method for bonding thermally-mismatched elements of a traveling wave tube |
03/21/1996 | WO1996008834A1 Frequency tunable magnetron |
03/21/1996 | DE4433466A1 High frequency generator of magnetron, for microwave generation |
03/20/1996 | EP0702388A1 Slow-wave circuit assembly for traveling-wave tube and method of manufacturing a slow-wave circuit assembly |
03/20/1996 | CN1118981A Noise shielding apparatus for magnetron of microwave oven |
03/20/1996 | CN1118954A High frequency equipment |
03/13/1996 | EP0701266A2 Cavity arrangements |
03/06/1996 | EP0700233A2 Magnetron assembly for microwave ovens |
03/05/1996 | US5497053 Micro-electron deflector |
03/05/1996 | US5496199 Electron beam radiator with cold cathode integral with focusing grid member and process of fabrication thereof |
02/29/1996 | DE19516570C1 Material for travelling wave tube coil |
02/27/1996 | US5495209 Switched-inverter modulator for producing modulated high voltage pulses |
02/27/1996 | US5495145 Pseudo-spring loading mechanism for magnetron tuner |
02/27/1996 | US5495144 Helical slow-wave circuit assembly with reduced RF losses |
02/27/1996 | US5494470 Method for the manufacture of a helix-coupled vane line, line obtained by the method and electron tube including such a line |
02/27/1996 | US5494241 Device for cooling a satellite-mounted travelling-wave tube |
02/20/1996 | US5493178 Liquid cooled fluid conduits in a collector for an electron beam tube |
02/14/1996 | EP0696878A2 Microwave apparatus |
02/07/1996 | EP0696048A2 Electron beam tubes |
01/31/1996 | EP0694948A2 Magnetron and microwave oven |
01/25/1996 | WO1996002064A1 Magnetic system for gyrotrons |
01/18/1996 | DE4433105A1 Mikrowellen-Ofen Microwave Ovens |
01/18/1996 | DE4424230A1 Magnetsystem für Gyrotrons Magnetic system for gyrotron |
01/09/1996 | US5483123 High impedance anode structure for injection locked magnetron |
01/09/1996 | US5482611 Physical vapor deposition employing ion extraction from a plasma |
01/03/1996 | EP0611496B1 Amplifying tubes heated by transformed a.c. |
12/20/1995 | EP0688029A1 Noise shielding apparatus for magnetron of microwave oven |
12/20/1995 | EP0687627A1 Power enhancement techniques for high power satellites |
12/19/1995 | US5477107 Linear-beam cavity circuits with non-resonant RF loss slabs |
12/16/1995 | CA2147894A1 Power enhancement techniques for high power satellites |
12/14/1995 | WO1995034192A1 High temperature superconductor dielectric slow wave structures for accelerators and traveling wave tubes |
12/14/1995 | CA2188549A1 High temperature superconductor dielectric slow wave structures for accelerators and traveling wave tubes |
11/22/1995 | EP0371126B1 High gain miniature crossed-field amplifier |
11/21/1995 | US5469024 Leaky wall filter for use in extended interaction klystron |
11/21/1995 | US5469023 Capacitive stub for enhancing efficiency and bandwidth in a klystron |
11/21/1995 | US5469022 Extended interaction output circuit using modified disk-loaded waveguide |
11/14/1995 | US5466359 Method of manufacturing microwave tube collector |
10/24/1995 | US5461283 Magnetron output transition apparatus having a circular to rectangular waveguide adapter |
10/24/1995 | US5461282 For use in a microwave device |
10/11/1995 | EP0522153B1 Gyrotron with radial beam extraction |
10/03/1995 | US5455405 Noise shielding apparatus for magnetron of microwave oven |
09/28/1995 | WO1995026039A1 Magnetron |
09/28/1995 | WO1995026037A1 Selectively shaped field emission electron beam source, and phosphor array for use therewith |
09/26/1995 | US5453746 Assembly including a jettisonable device with a travelling-wave tube |
09/21/1995 | DE19510870A1 Gyrotron system for microwave or millimetre wave generation |
09/20/1995 | EP0673052A2 Electron gun arrangements |