| Patents for H01J 23 - Details of transit-time tubes of the types covered by group (3,921) |
|---|
| 12/09/1987 | EP0248689A1 Multiple-beam klystron |
| 12/09/1987 | EP0248669A2 Power supply circuits for magnetrons |
| 12/08/1987 | US4712042 Variable frequency RFQ linear accelerator |
| 11/25/1987 | EP0154623B1 Dual-mode electron gun with improved shadow grid arrangement |
| 11/24/1987 | US4709186 Coupled cavity travelling wave tubes |
| 11/24/1987 | US4709129 Microwave heating apparatus |
| 11/19/1987 | EP0245982A2 Directly heated cathodes |
| 11/17/1987 | US4707637 Plasma-anode electron gun |
| 11/10/1987 | US4705990 Tunable magnetron |
| 11/10/1987 | US4705989 Magnetron with a ceramic stem having a cathode support structure |
| 11/10/1987 | US4705988 Device for guiding an electron beam |
| 11/10/1987 | US4705933 Method for attaching a diamond component to metal |
| 11/04/1987 | EP0243399A1 Precision coining method and coined helix assembly. |
| 10/27/1987 | US4703228 Apparatus and method for providing a modulated electron beam |
| 10/21/1987 | EP0241943A2 Microwave apparatus having coaxial waveguide partitioned by vacuum-tight dielectric plate |
| 10/13/1987 | US4700109 Crossed-field amplifier |
| 10/08/1987 | WO1987006053A1 Plasma-anode electron gun |
| 09/30/1987 | EP0239466A1 Klystron output circuit, and klystron comprising it |
| 09/30/1987 | EP0239333A2 Wide bandwidth linear motor system |
| 09/23/1987 | EP0238236A2 Improvements relating to magnetrons |
| 09/22/1987 | US4695766 Traveling wave tube and its method of construction |
| 09/22/1987 | CA1227242A1 Coupled cavity travelling wave tubes |
| 09/15/1987 | CA1226909A1 Circuit assembly for temperature-dependent cathode current tracking in traveling-wave tubes |
| 09/02/1987 | EP0234020A1 Method of producing a porous compressed body |
| 09/02/1987 | EP0233897A1 System devised to prevent undesirable oscillations generation within travelling wave tubes by dampening undesired frequencies |
| 09/01/1987 | CA1226364A1 Klystron tuning control system |
| 08/25/1987 | US4689276 Alloy containing active material and inactive material |
| 08/13/1987 | WO1987004852A1 Variable frequency rfq linear accelerator |
| 08/11/1987 | US4686413 Cathode for magnetron |
| 08/04/1987 | US4684908 Circular window for ultra-high frequency waveguide |
| 08/04/1987 | US4684845 Magnetron cathode assembly with grooved insulating spacer |
| 08/04/1987 | US4684844 Liquid cooled stationary anode tubes |
| 07/30/1987 | DE3601939A1 Method for measuring a delay line for radio-frequency waves |
| 07/28/1987 | US4683401 Microwave tube output section |
| 07/28/1987 | US4683400 Travelling wave tube and helix for such travelling wave tube |
| 07/28/1987 | CA1224873A1 Linear beam tube with reflected electron trap |
| 07/21/1987 | US4682076 Microwave tube with improved output signal extracting structure |
| 07/14/1987 | US4680500 Metal or carbon coated ceramic |
| 07/01/1987 | EP0227463A2 Secondary emission cathode and tube |
| 06/30/1987 | US4677342 Semiconductor secondary emission cathode and tube |
| 06/30/1987 | US4676578 Electrical interconnection assembly |
| 06/25/1987 | DE3545077A1 Method for producing a delay line for travelling-wave tubes |
| 06/23/1987 | US4675573 Method and apparatus for quickly heating a vacuum tube cathode |
| 06/23/1987 | CA1223354A1 Arrangement in a tunable high frequency transmitter tube |
| 06/10/1987 | EP0225308A2 Co-axial transition of a magnetron |
| 06/09/1987 | US4672340 Multipactor discharge tuned resonant cavity devices |
| 06/03/1987 | EP0224234A2 Quasi-optical open resonator for millimetric and submillimetric electromagnetic waves |
| 05/27/1987 | CN85108472A Tunable magnetron |
| 05/26/1987 | US4668894 Waveguide coupler using three or more wave modes |
| 05/26/1987 | US4668893 Magnetic circuit for periodic-permanent-magnet focused TWTS |
| 05/21/1987 | DE3540998A1 Travelling-wave tube and a method for its production |
| 05/05/1987 | US4663565 Magnetron having a radio frequency gasket retainer |
| 04/28/1987 | US4661784 Klystron having fixed and variable tuning mechanisms |
| 04/28/1987 | US4661744 Electromagnetic energy generators having resonating cavity with reflecting zones |
| 04/23/1987 | WO1987002507A1 Precision coining method and coined helix assembly |
| 04/21/1987 | CA1220862A1 Velocity tapering of comb-quad traveling-wave tubes |
| 04/14/1987 | US4658183 Traveling-wave tube |
| 04/14/1987 | US4658181 Travelling wave tubes |
| 04/07/1987 | US4656393 Metal-to-ceramic butt seal with improved mechanical properties |
| 04/01/1987 | EP0144317B1 Grid structure for certain plural mode electron guns |
| 03/24/1987 | CA1219672A1 Linearized traveling wave amplifier with hard limiter characteristics |
| 03/18/1987 | EP0214798A2 Method and apparatus for quickly heating a vacuum tube cathode |
| 03/18/1987 | EP0214611A2 Anode assembly of magnetron and method of manufacturing the same |
| 03/17/1987 | US4651057 Standing-wave accelerator |
| 03/11/1987 | EP0112373B1 Buffer for an electron beam collector |
| 03/03/1987 | US4647816 Travelling-wave tube and method for the manufacture thereof |
| 02/25/1987 | EP0211666A2 Double staggered ladder circuit |
| 02/25/1987 | EP0211628A1 Multiple heat pipes for linear beam tubes having common coolant and vaporizing surface area enhancement |
| 02/24/1987 | US4645117 Sandwiching active metal layer between barrier layers; heating |
| 02/17/1987 | US4644225 Magnetron |
| 02/17/1987 | US4644219 Beam generating system for electron tubes, particularly travelling wave tubes |
| 02/03/1987 | US4641103 Microwave electron gun |
| 01/29/1987 | WO1987000680A1 System devised to prevent undesirable oscillations generation within travelling wave tubes by dampening undesired frequencies |
| 01/29/1987 | DE3526963A1 Method for producing a vacuum vessel |
| 01/28/1987 | CN85105676A Arrangement in a tunable magnetron |
| 01/21/1987 | EP0209219A1 Improvements relating to coaxial magnetrons |
| 01/20/1987 | US4638215 Circuit assembly for temperature-dependent cathode current tracking in traveling-wave tubes |
| 01/13/1987 | US4636750 Magnetron with frequency sensor arrangement |
| 01/13/1987 | US4636749 Tungsten impregnated with barium and calcium aluminates |
| 01/13/1987 | US4636689 Microwave propagation mode transformer |
| 01/13/1987 | US4636688 Gyrotron device |
| 01/06/1987 | US4635001 Bearing arrangement in a tunable magnetron |
| 01/06/1987 | US4634925 Electron gun for a high power klystron |
| 12/24/1986 | CN85106635A Adjusting method for standing-wave accelerating-tube of coupling cavity without testing hole |
| 12/17/1986 | EP0205316A1 Magnetron for a microwave oven |
| 11/18/1986 | CA1214272A1 Density modulated electron beam tube with enhanced gain |
| 11/04/1986 | US4621219 Electron beam scrambler |
| 11/04/1986 | US4621213 Electron gun |
| 10/29/1986 | EP0199515A2 Coupled cavity travelling wave tubes |
| 10/29/1986 | EP0199500A2 Improvements in or relating to travelling wave tubes |
| 10/28/1986 | US4619041 Method for manufacturing coupled cavity travelling wave tubes |
| 10/23/1986 | WO1986006217A1 Electrical interconnection assembly |
| 10/21/1986 | CA1213054A1 Adjustable-beam permanent-magnet-focused linear beam microwave tube |
| 10/21/1986 | CA1212889A1 Method of making a borided dispenser cathode |
| 10/14/1986 | CA1212769A1 Slow-wave circuit for a traveling wave tube |
| 10/14/1986 | CA1212768A1 Traveling wave push-pull electron beam deflector with pitch compensation |
| 10/01/1986 | EP0196133A2 An arrangement in a tunable magnetron |
| 09/24/1986 | EP0195509A2 Magnetron with indicator for the instantaneous magnetron frequency |
| 09/23/1986 | US4613788 Arrangement in a tunable high frequency transmitter tube |
| 08/26/1986 | US4608520 Cathode driven crossed-field amplifier |