| Patents for H01J 23 - Details of transit-time tubes of the types covered by group (3,921) |
|---|
| 11/09/2005 | EP1594152A2 Magnetron for microwave oven. |
| 11/09/2005 | EP1594150A1 Cold-cathode electron source, microwave tube using this, and its manufacturing method |
| 11/08/2005 | CA2159253C Linear electron beam tube |
| 11/01/2005 | US6960283 Anode and magnetron therewith |
| 10/26/2005 | CN1224996C Magnetron |
| 10/20/2005 | WO2005083735A3 Electron beam tubes |
| 10/20/2005 | US20050231135 Auxiliary coil driver circuit for a cathode ray tube |
| 10/20/2005 | US20050230387 Insulated RF suppressor for industrial magnetrons |
| 10/13/2005 | US20050225247 Magnetrons |
| 10/12/2005 | CN1681070A Composite casing of travelling-wave tube |
| 10/06/2005 | US20050218813 Magnetron oscillating apparatus |
| 10/05/2005 | CN1679217A Apparatus and method for powering multiple magnetrons using a single power supply |
| 10/05/2005 | CN1677609A Magnetron for microwave oven |
| 09/28/2005 | EP1579469A2 Micro-wave tube with mechanical frequency tuning |
| 09/22/2005 | WO2005020272A3 Magnetron |
| 09/21/2005 | CN1220302C High frequency apparatus and method for making moveable wall of high frequency apparatus |
| 09/15/2005 | US20050200283 Electron beam tubes |
| 09/14/2005 | EP1245035B1 Production of a microwave device by applying a coating of yttrium-iron-garnet to the surface of the device to suppress secondary electron emission |
| 09/14/2005 | CN1669105A An auxiliary coil driver circuit for a cathode ray tube |
| 09/14/2005 | CN1219311C Magnetron and method for manufacturing same |
| 09/09/2005 | WO2005083738A2 Collector arrangement |
| 09/09/2005 | WO2005083735A2 Electron beam tubes |
| 09/09/2005 | CA2556289A1 Collector arrangement |
| 09/09/2005 | CA2556283A1 Electron beam tubes |
| 09/01/2005 | US20050189881 Collector arrangement |
| 08/31/2005 | EP1568056A2 Electron beam tube |
| 08/30/2005 | US6937119 High frequency apparatus |
| 08/25/2005 | US20050184686 Compact accelerator |
| 08/24/2005 | EP1565926A2 Vacuum tube electrode structure |
| 08/24/2005 | EP1364382B1 Device for producing high frequency microwaves |
| 08/24/2005 | CN1216196C Copper-net knitting method for microwave shielding cushion ring |
| 08/17/2005 | EP1362358B1 cOLLECTOR WITH A COLLECTOR WALL AND A COLLECTOR COIL GROUP FOR A GYROTRON |
| 08/17/2005 | CN1655311A 磁控管 Magnetron |
| 08/11/2005 | US20050174061 Magnetron |
| 08/11/2005 | US20050173429 Magnetron |
| 08/10/2005 | EP1562218A2 Magnetron |
| 08/10/2005 | CN1214415C Electronic beam tube |
| 08/04/2005 | WO2005072028A2 Compact accelerator |
| 08/04/2005 | US20050168912 High-voltage capacitor, hight-voltage capacitor device and magnetron |
| 08/04/2005 | US20050167608 Method and apparatus for magnetic focusing of off-axis electron beam |
| 08/04/2005 | US20050167426 Magnetron |
| 08/04/2005 | CA2550552A1 Compact accelerator |
| 08/03/2005 | CN2715333Y 水冷式磁控管 Water-cooled magnetron |
| 08/03/2005 | CN1649050A High-voltage through capacitor, hight-voltage through capacitor device and magnetron |
| 07/27/2005 | EP1557858A2 Magnetron |
| 07/27/2005 | CN1645543A 磁控管 Magnetron |
| 07/27/2005 | CN1645542A Magnetron |
| 07/26/2005 | US6921890 Low-noise, crossed-field devices such as a microwave magnetron having an azimuthally-varying axial magnetic field and microwave oven utilizing same |
| 07/26/2005 | US6921889 Magnetron and microwave oven and high frequency heating apparatus each equipped with the same |
| 07/20/2005 | EP1451845B1 Electron collector |
| 07/20/2005 | CN1643637A Magnetron |
| 07/14/2005 | WO2004100353A3 Low-noise, crossed-field devices such as a microwave magnetron, microwave oven utilizing same and method of converting a noisy magnetron to a low-noise magnetron |
| 07/13/2005 | EP1553615A2 Magnetron |
| 07/13/2005 | CN1639821A Field emission cold cathode |
| 07/13/2005 | CN1638005A 磁控管 Magnetron |
| 07/13/2005 | CN1638004A High voltage input apparatus for magnetron |
| 07/13/2005 | CN1637974A High voltage input apparatus for magnetron |
| 07/12/2005 | US6917162 Traveling wave tube |
| 07/06/2005 | EP1551053A2 High voltage input apparatus for magnetron |
| 07/06/2005 | EP1551042A1 High voltage capacitor for magnetron |
| 07/06/2005 | EP1550293A2 An auxiliary coil driver circuit for a cathode ray tube |
| 06/30/2005 | WO2005059946A1 Klystron amplifier |
| 06/30/2005 | US20050142946 High voltage input apparatus for magnetron |
| 06/30/2005 | US20050141585 High voltage input apparatus for magnetron |
| 06/29/2005 | CN1632897A Rare-earth oxide secondary emitting material and method for preparing same |
| 06/22/2005 | CN1630010A Coaxial energy delivery window for electric vacuum device and sealing method thereof |
| 06/21/2005 | US6909590 High voltage capacitor and magnetron |
| 06/16/2005 | US20050130550 Method for making electrodes and vacuum tube using same |
| 06/15/2005 | CN2704917Y Dissymmetrical radiator under forced convection current |
| 06/14/2005 | US6906470 Method and system for controlling electron beams from field emission cathodes |
| 06/09/2005 | DE4233352B4 Wanderfeldröhre Traveling wave tube |
| 06/07/2005 | US6903519 Multi-element field emission cathode |
| 06/02/2005 | US20050116651 Electron beam tube apparatus |
| 06/01/2005 | EP1535381A2 Apparatus and method for powering multiple magnetrons using a single power supply |
| 05/26/2005 | US20050110440 Energy switch for particle accelerator |
| 05/25/2005 | CN2702440Y A magnetron capable of separating filtering device |
| 05/25/2005 | CN2702439Y Magnetron |
| 05/25/2005 | CN2702438Y A novel water-cooled magnetron |
| 05/25/2005 | CN2702437Y An input device for charring air supply |
| 05/25/2005 | CN1203277C Microwave oven |
| 05/25/2005 | CN1203276C Microwave oven |
| 05/18/2005 | EP1531540A2 Power supply device |
| 05/12/2005 | WO2005022553A3 Radiation system |
| 05/12/2005 | WO2003090447A3 An auxiliary coil driver circuit for a cathode ray tube |
| 05/12/2005 | US20050099140 Power supply device |
| 05/11/2005 | EP1145268B1 Multiband travelling wave tube of reduced length capable of high power functioning |
| 05/10/2005 | US6891738 Power-supply unit for electronic oven |
| 05/04/2005 | EP1095390B1 Multibeam electronic tube with magnetic field for correcting beam trajectory |
| 04/28/2005 | WO2005038848A2 Amplifier comprising an electronic tube provided with collectors |
| 04/26/2005 | US6885152 Multilayer field emission klystron |
| 04/20/2005 | EP1524758A2 Power supply apparatus for traveling-wave tube which eliminates high voltage relay |
| 04/20/2005 | EP1523753A2 Magnetrons |
| 04/20/2005 | EP1523751A1 Field emission cold cathode |
| 04/14/2005 | US20050077973 Method and apparatus for bi-planar backward wave oscillator |
| 04/14/2005 | US20050077832 Projection type cathode ray tube having improved focus characteristics |
| 04/14/2005 | US20050077831 Microwave tube system and microwave tube |
| 04/13/2005 | EP1522084A2 Method and apparatus for magnetic focusing of off-axis electron beam |
| 04/13/2005 | CN1606122A Projection type cathode ray tube having improved focus characteristics |
| 04/12/2005 | US6879208 Multi-stage collector having electrode stages isolated by a distributed bypass capacitor |
| 04/07/2005 | US20050073799 High voltage capacitor and magnetron |