| Patents for H01J 25 - Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons (1,999) |
|---|
| 06/30/1998 | US5773934 Resistive wall klystron amplifier having grounded drift tube |
| 06/24/1998 | EP0781454A4 Frequency tunable magnetron |
| 06/16/1998 | US5767749 Microwave oscillator |
| 06/16/1998 | US5767625 High frequency vacuum tube with closely spaced cathode and non-emissive grid |
| 04/21/1998 | US5742209 Four cavity efficiency enhanced magnetically insulated line oscillator |
| 04/07/1998 | US5736820 For use with a linear electron beam tube |
| 02/17/1998 | US5719470 Gyrotron capable of outputting a plurality of wave beams of electromagnetic waves |
| 02/04/1998 | CN1172340A High frequency oscillator |
| 02/03/1998 | US5714913 Discrete monotron oscillator having one-half wavelength coaxial resonator with one-quarter wavelength gap spacing |
| 01/27/1998 | US5712537 For storing a time varying analog signal in real time for later read out |
| 12/16/1997 | US5698949 Hollow beam electron tube having TM0x0 resonators, where X is greater than 1 |
| 12/02/1997 | US5694005 Plasma-and-magnetic field-assisted, high-power microwave source and method |
| 11/11/1997 | US5686007 Microwave oven magnetron with slit filament terminal |
| 11/04/1997 | USH1692 Millimeter wave, high power, broadband travelling wave tube |
| 10/28/1997 | US5682084 Grid electron tube with a folded cavity structure |
| 10/21/1997 | US5680012 Magnetron with tapered anode vane tips |
| 10/16/1997 | WO1997038436A1 Single-beam and multiple-beam klystrons using periodic permanent magnets for electron beam focusing |
| 10/01/1997 | EP0417205B1 High performance extended interaction output circuit |
| 09/30/1997 | CA2027558C Virtual cathode microwave generating device |
| 09/17/1997 | CN1159728A Antenna feeder of magnetron for electromagnetic range and assembling structure of exhausting tube |
| 09/16/1997 | US5668442 Plasma-assisted tube with helical slow-wave structure |
| 08/27/1997 | EP0791947A1 A magnetron |
| 08/27/1997 | EP0593768B1 Magnetron |
| 08/20/1997 | CN1157470A Magnetron |
| 07/31/1997 | WO1997027610A1 Device for grouping electron bunches |
| 07/22/1997 | US5650751 Inductive output tube with multistage depressed collector electrodes providing a near-constant efficiency |
| 07/02/1997 | EP0781454A1 Frequency tunable magnetron |
| 06/25/1997 | CN1152789A Linear electron-beam tube structure |
| 06/18/1997 | CN1152185A Magnetron |
| 06/03/1997 | US5635798 Magnetron with reduced dark current |
| 06/03/1997 | US5635797 Magnetron with improved mode separation |
| 05/07/1997 | CN1149194A Inductive output tube arrangements |
| 04/23/1997 | EP0769797A2 Magnetron |
| 04/17/1997 | DE19532785C1 Gyrotron with continuously variable frequency |
| 04/02/1997 | CN1146621A Liner electron-beam tube |
| 03/26/1997 | EP0764339A2 HOLLOW BEAM ELECTRON TUBE HAVING TM 0x0? RESONATORS, WHERE x IS GREATER THAN 1 |
| 03/11/1997 | US5610482 Gyrotron and method of improving its efficiency |
| 02/25/1997 | US5606221 Electron beam tubes having a resonant cavity with high frequency absorbing material |
| 02/18/1997 | US5604402 Harmonic gyro traveling wave tube having a multipole field exciting circuit |
| 02/04/1997 | US5600207 Preferentially cooled forward wave crossed-field amplifier anode |
| 01/15/1997 | EP0753879A2 Inductive output tube arrangements |
| 01/15/1997 | EP0753878A1 Linear electron beam tubes arrangements |
| 01/15/1997 | EP0753877A2 Linear electron beam tubes |
| 01/13/1997 | CA2181101A1 Linear electron beam tube arrangements |
| 01/13/1997 | CA2181100A1 Linear electron beam tube |
| 01/11/1997 | CA2180803A1 Universal magnetron assembly for microwave oven |
| 01/11/1997 | CA2180491A1 Inductive output tube arrangements |
| 01/09/1997 | WO1996032735A3 HOLLOW BEAM ELECTRON TUBE HAVING TM0x0 RESONATORS, WHERE x IS GREATER THAN 1 |
| 12/31/1996 | US5589736 Frequency multiplier including grid having plural segments |
| 12/27/1996 | EP0739492A4 High frequency scan converter |
| 12/04/1996 | CN1033481C Atomic frequency standard |
| 12/03/1996 | US5581154 Resistive wall klystron amplifier |
| 12/03/1996 | US5581153 Electron beam tube having resonant cavity circuit with selectively adjustable coupling arrangement |
| 11/27/1996 | CN1136705A Electronic beam tube |
| 11/13/1996 | CN1135650A Multi-beam klystron |
| 11/05/1996 | US5572092 High frequency vacuum tube with closely spaced cathode and non-emissive grid |
| 10/30/1996 | EP0739492A1 High frequency scan converter |
| 10/29/1996 | US5569980 Non-concentric support for crossed-field amplifier |
| 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 |
| 10/08/1996 | US5563555 Broadbend pulsed microwave generator having a plurality of optically triggered cathodes |
| 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 |
| 08/07/1996 | EP0524295B1 Small-size coaxial magnetron |
| 07/31/1996 | EP0724281A2 Klystron |
| 07/30/1996 | US5541391 Microwave oven employing a klyston |
| 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 | US5534824 Pulsed-current electron beam method and apparatus for use in generating and amplifying electromagnetic energy |
| 06/26/1996 | EP0718867A1 Grid electron tube with improved performance |
| 06/19/1996 | CN1124837A Electronic oven |
| 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 |
| 04/17/1996 | EP0707334A1 Electron beam tubes |
| 03/26/1996 | US5502353 Apparatus for bunching relativistic electrons |
| 03/21/1996 | WO1996008834A1 Frequency tunable magnetron |
| 03/19/1996 | US5500621 Travelling-wave tube protection arrangement |
| 03/13/1996 | EP0701266A2 Cavity arrangements |
| 03/06/1996 | EP0700233A2 Magnetron assembly for microwave ovens |
| 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 |
| 02/07/1996 | EP0696048A2 Electron beam tubes |
| 01/18/1996 | DE4433105A1 Mikrowellen-Ofen Microwave Ovens |
| 01/09/1996 | US5483123 High impedance anode structure for injection locked magnetron |
| 11/22/1995 | EP0371126B1 High gain miniature crossed-field amplifier |
| 11/21/1995 | US5469022 Extended interaction output circuit using modified disk-loaded waveguide |
| 10/31/1995 | US5463226 Electromagnetic wave detecting apparatus |
| 10/24/1995 | US5461282 For use in a microwave device |
| 10/11/1995 | EP0522153B1 Gyrotron with radial beam extraction |
| 09/28/1995 | WO1995026039A1 Magnetron |
| 09/21/1995 | DE19510870A1 Gyrotron system for microwave or millimetre wave generation |
| 09/13/1995 | CN1108430A Linear electron beam tube arrangements |
| 08/16/1995 | EP0667033A1 Method of increasing and/or ensuring the efficiency of a gyrotron, and a gyrotron designed to carry out the method |
| 08/08/1995 | US5440202 Electron beam device having a direct current feed with switching stages therein |
| 08/02/1995 | EP0407558B1 Amplifier or oscillator device operating at ultrahigh frequency |