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