| Patents for H01J 23 - Details of transit-time tubes of the types covered by group (3,921) |
|---|
| 01/13/1993 | EP0522300A2 Arrangement for coupling microwave energy |
| 01/13/1993 | EP0522153A1 Gyrotron with radial beam extraction. |
| 01/11/1993 | CA2073391A1 Arrangement for coupling in of microwave energy |
| 01/05/1993 | US5177403 Microwave oven magnetron having choking structure and leakage flux compensation means |
| 01/05/1993 | US5177394 Conduction cooling type multistage collector |
| 01/04/1993 | WO1993006632A1 Rf radiation absorbing material |
| 12/30/1992 | EP0520641A1 Adjustable resonator arrangement |
| 12/30/1992 | EP0520445A1 Heater coil for electron tube |
| 12/30/1992 | EP0520229A2 Microwave tube |
| 12/26/1992 | CA2071271A1 Adjustable resonator arrangement |
| 12/23/1992 | EP0519803A1 Strapped magnetron with frequency stabilisation |
| 12/23/1992 | CN1019621B Concentricity adjusting technology for cathode and anode of magnetron |
| 12/22/1992 | US5173669 Slow-wave structure having block supported helix structure |
| 12/16/1992 | EP0518368A2 Gyrotron apparatus |
| 12/15/1992 | US5172030 Magnetron |
| 12/15/1992 | US5172029 Shielded helix traveling wave cathode ray tube deflection structure |
| 11/25/1992 | EP0261198B1 Plasma-anode electron gun |
| 11/25/1992 | CN1066556A Cooling derice of magnetron |
| 11/24/1992 | US5166575 Grid tube with coupled-cavity output, with coupling element integral with said tube |
| 11/17/1992 | US5164634 Electron beam device generating microwave energy via a modulated virtual cathode |
| 11/12/1992 | WO1992020088A1 Microwave tube with a frequency-tunable cavity resonator |
| 11/11/1992 | EP0512451A2 A cooling apparatus of magnetron |
| 11/10/1992 | US5162698 Cascaded relativistic magnetron |
| 11/10/1992 | US5162697 Traveling wave tube with gain flattening slow wave structure |
| 11/10/1992 | CA1310124C Coupled cavity circuit with increased iris resonant frequency |
| 11/10/1992 | CA1310123C High performance extended interaction output circuit |
| 10/27/1992 | US5159241 Single body relativistic magnetron |
| 10/15/1992 | DE4112175A1 Travelling wave tube mfd. using diffusion welding - has metallised surface of helical delay line attached to ceramics support rods |
| 10/07/1992 | EP0507195A2 Helix type travelling wave tube structure with supporting rods covered with boron nitride or artificial diamond |
| 09/30/1992 | EP0505862A2 Electron beam tube |
| 09/29/1992 | CA1308172C Magnetron drive apparatus |
| 09/08/1992 | US5146136 Magnetron having identically shaped strap rings separated by a gap and connecting alternate anode vane groups |
| 08/25/1992 | US5142250 High power microwave generator |
| 08/19/1992 | EP0499514A1 Mode converter and power-dividing device for a microwave tube, and microwave tube with such a device |
| 08/19/1992 | CN1017948B High-voltage through-type ceramic capacitor |
| 08/06/1992 | WO1992013357A1 Gyrotron with radial beam extraction |
| 08/06/1992 | DE4102310A1 Electron target for microwave tube - has disc-shaped cooling fins with peripherally distributed aperture, spaced on vacuum sleeve |
| 07/28/1992 | US5134343 Quasi-optical gyrotron having an electron gun with alternating high and low density electron emitting segments |
| 07/21/1992 | US5132638 High power klystron amplifier |
| 07/21/1992 | US5132593 Microwave electron gun |
| 07/21/1992 | US5132592 Capacative loading compensating supports for a helix delay line |
| 07/21/1992 | US5132591 Travelling-wave tuve provided with a brazed "t" shaped helix delay line |
| 07/14/1992 | US5130601 Quick warm-up cathode heater for high average power magnetrons |
| 07/14/1992 | US5130206 High power microwave tubes, slurry coating of iron alloy and glass ceramic |
| 06/23/1992 | US5124664 Field emission devices |
| 06/23/1992 | US5124658 Nested high voltage generator/particle accelerator |
| 06/17/1992 | EP0490741A1 Microwave tube with a cavity having a dielectric structure, and method of making a tube cavity |
| 06/09/1992 | US5121031 Microwave electron gun |
| 06/03/1992 | EP0488852A1 Cathode for ultra high frequency tubes |
| 06/03/1992 | EP0187852B1 Microwave electron gun |
| 05/20/1992 | EP0471795A4 Energy conversion using charge particles |
| 05/13/1992 | EP0485266A1 Electron gun modulated by optoelectronic switching |
| 05/13/1992 | CN1061107A Structure for preventing unwanted electromagnetic wave of magnetron and method of manufacturing it |
| 05/12/1992 | US5113309 High-voltage through-type ceramic capacitor |
| 05/12/1992 | US5113141 Four-fingers RFQ linac structure |
| 05/12/1992 | US5112438 Photolithographic method for making helices for traveling wave tubes and other cylindrical objects |
| 05/07/1992 | DE4135896A1 Electromagnetic screening device for magnetron - fits between filter housing and capacitor earth plate and between filter housing and cap |
| 05/06/1992 | EP0483720A1 Fastening device in space |
| 04/30/1992 | DE4033795A1 Thermally conductive housing for delay coil in TWT - has pole shoes connected to copper@ rings and discs pressed into recess in good conductive housing |
| 04/29/1992 | EP0482986A1 Collector for a microwave tube and microwave tube comprising such a collector |
| 04/28/1992 | US5109179 Electron gun provided with a device producing a magnetic field in the neighborhood of a cathode |
| 04/23/1992 | DE4033101A1 Electron collector for HF electron tube - produces asymmetrical electric field in collector which is easily adjustable |
| 04/21/1992 | US5107238 Magnetic cladding for use in periodic permanent magnet stacks |
| 04/21/1992 | US5107181 Magnetron |
| 04/21/1992 | US5107166 Electron beam collector assembly for a velocity modulated tube |
| 04/16/1992 | DE4032412A1 Travelling wave tube - has reduction in voltage provided by centrally located electrode pin |
| 04/16/1992 | DE4032137A1 Travelling wave tube with electron target - has shutter(s) with tubular protrusions on side away from impinging electron beam |
| 04/16/1992 | DE4032136A1 Travelling wave tube for space application - has metal laminate between anticorrosion and heat radiation layers for stopping hydrogen penetration |
| 04/01/1992 | EP0313582B1 Installation for heat treatment, in particular for drying leather and similar |
| 03/18/1992 | EP0475802A1 Klystron with broad instantaneous band |
| 03/17/1992 | US5097178 RF electron gun with cathode activating device |
| 03/17/1992 | US5096449 Method for manufacturing metal cylinder members of electron tubes and method for manufacturing magnetron anodes |
| 02/26/1992 | EP0471795A1 Energy conversion using charge particles |
| 02/25/1992 | US5090613 Method of manufacturing an anode assembly of a magnetron |
| 02/25/1992 | CA2049714A1 Widened instantaneous passband klystron |
| 02/19/1992 | CA2090391A1 Electon beam device |
| 02/18/1992 | US5089744 Magnetron choke for microwave oven |
| 02/12/1992 | EP0470731A2 Traveling wave tube with gain flattening slow wave structure |
| 02/11/1992 | US5087853 Magnetron and dielectric heater using magnetron |
| 01/28/1992 | US5084690 Stepped magnetic field source |
| 01/28/1992 | US5084651 Microwave tube with directional coupling of an input locking signal |
| 01/21/1992 | US5083060 Microwave tube provided with at least one axial part, fitted cold into a coaxial envelope |
| 01/14/1992 | US5079830 Method of manufacturing and assembling a twt delay line |
| 01/07/1992 | US5078635 Method of manufacturing magnetron anodes |
| 12/27/1991 | EP0462863A1 Travelling-wave tube with a coupling arrangement between its slow-wave circuit and an external microwave circuit |
| 12/10/1991 | US5071055 Travelling wave tube with a helix-tube delay line attached to a sleeve through the use of boron nitride dielectric supports |
| 11/28/1991 | DE4016505A1 Magnetron, esp. for coating appts. - has minimal or absent centre-pole effect |
| 11/26/1991 | US5068569 Wave guide device having a periodic structure and improved heat dissipation |
| 11/12/1991 | US5065109 Electropneumatic band selector |
| 11/05/1991 | USRE33736 Periodic permanent magnet structure with increased useful field |
| 10/30/1991 | EP0454540A1 Converter for the guided propagation mode of electromagnetic waves, and electronic tube incorporating such a converter |
| 10/30/1991 | EP0454536A1 Travelling-wave tube provided with a sleeve intended to receive a delay line by cold press-fitting |
| 10/29/1991 | US5061878 Magnetron anode and method of manufacturing anode |
| 10/08/1991 | US5055741 Liquid coolant for high power microwave excited plasma tubes |
| 10/02/1991 | EP0449174A2 Gyrotron having a mode converter |
| 10/02/1991 | DE4010100A1 Supply of HF generator - is provided by transformer with switched primary and comparator control stage |
| 09/25/1991 | EP0448133A2 A directly heated cathode assembly |
| 09/25/1991 | CN1014104B Magnetron device |
| 09/24/1991 | US5052003 Quasi-optical gyrotron |
| 09/24/1991 | US5051656 Travelling-wave tube with thermally conductive mechanical support comprising resiliently biased springs |