Patents for H01J 23 - Details of transit-time tubes of the types covered by group (3,921) |
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12/26/1978 | US4131824 Filter device for high frequency generating device |
12/19/1978 | CA1044805A1 Permanent magnet structure for cross-field tubes |
12/12/1978 | US4129834 Resonant cavity magnetron with choke structure for reducing harmonics in output system |
12/12/1978 | US4129803 Traveling wave device with cast slow wave interaction structure and method for forming |
12/12/1978 | CA1044374A1 Charged particle beam deflector |
12/12/1978 | CA1044373A1 Bimodal cavity resonator beam position monitor |
12/12/1978 | CA1044372A1 Hyperfrequency resonant system for accelerating a charged particle beam and a microton equipped with such a system |
11/21/1978 | US4126891 Switching regulator with feedback system for regulating output current |
11/14/1978 | CA1042551A1 Anisotropic shell loading of high power helix traveling wave tubes |
10/24/1978 | US4122419 Tunable resonant cavities having particular isolating choke |
10/24/1978 | US4122373 Standing wave linear accelerator and input coupling |
10/03/1978 | US4118652 Linear accelerator having a side cavity coupled to two different diameter cavities |
10/03/1978 | CA1039797A1 Electron beam electrical power transmission system |
09/19/1978 | US4115746 Multipactor discharge tuned resonant cavity devices |
09/19/1978 | US4115721 Traveling wave device with unific composite metal dielectric helix and method for forming |
08/22/1978 | US4109179 Microwave tube assembly |
08/15/1978 | US4107575 Frequency-selective loss technique for oscillation prevention in traveling-wave tubes |
08/15/1978 | US4107574 Travelling-wave tube with collector housing having all electrical connections through one end wall of housing |
08/15/1978 | US4107573 Printed circuit traveling wave tube |
08/15/1978 | US4107572 Traveling-wave tube having phase velocity tapering means in a slow-wave circuit |
08/08/1978 | US4105951 Multipactor discharge arrangements |
08/08/1978 | US4105913 Core magnetron and method of manufacturing permanent magnets therefor with low gas emission |
08/08/1978 | US4105911 Travelling wave tubes |
08/01/1978 | US4104559 Isopolar magnetron supported with rigid insulation in a remote housing |
07/25/1978 | US4103207 Coupled cavity type traveling wave tube having improved pole piece structure |
07/18/1978 | US4101804 Traveling wave tube with depressed collector power supply |
07/11/1978 | US4100463 Magnetron, power supply, and fan integral assembly |
07/11/1978 | US4100458 Multipactor discharge tuned co-axial magnetrons |
07/11/1978 | US4100457 Velocity modulation tubes employing harmonic bunching |
07/04/1978 | US4099133 Klystron amplifiers |
07/04/1978 | US4099094 Electronic tube of magnetron type operating as a oscillator or an amplifier |
06/20/1978 | US4096409 Multistage depressed collector |
06/20/1978 | US4096406 Thermionic electron source with bonded control grid |
06/06/1978 | US4093892 Ring-and-bar slow wave circuits employing ceramic supports at the bars |
06/06/1978 | US4093891 Traveling wave deflector for electron beams |
05/09/1978 | US4088924 Delay line for travelling-wave tubes |
05/02/1978 | US4087718 High gain crossed field amplifier |
04/04/1978 | US4082979 Method and apparatus for reducing noise in crossed-field amplifiers |
03/14/1978 | US4078900 Method of making a high current density long life cathode |
02/21/1978 | US4075534 Magnetron with holding means to support a pair of permanent magnets |
02/14/1978 | US4074169 Magnetron with harmonic frequency output suppression |
02/07/1978 | US4072877 Travelling wave tubes |
01/31/1978 | US4071804 Magnetron device having magnetic means for generating a uniform interaction field |
01/10/1978 | US4068186 Circuit for compensating for nonlinear characteristics in high-frequency amplifiers |
01/10/1978 | US4068146 Charged particle beam deflector |
01/03/1978 | US4066928 Resonant cavity magnetron having a helical cathode |
01/03/1978 | US4066927 Wide-band low-reflection attenuated delay line |
12/13/1977 | US4063129 Magnetron having improved magnetic field distribution in the interaction space and one strap of magnetic and electrical conductive material |
12/06/1977 | US4061767 Cyano acetic acid anilide derivatives, process for their manufacture and compositions containing these compounds |
11/29/1977 | US4060762 Bimodal cavity resonator beam position monitor |
11/29/1977 | US4060750 Compact magnetron with small axial length and slot antenna output attached thereto |
11/08/1977 | US4057749 Travelling wave tube having an improved magnetic focussing field |
11/08/1977 | US4057748 Travelling wave tubes |
11/01/1977 | US4056756 Anode assembly for electron discharge devices |
10/18/1977 | US4054811 Electron beam collector |
10/11/1977 | US4053850 Magnetron slot mode absorber |
09/20/1977 | US4049995 Resonant cavity tubes |
09/13/1977 | US4048542 Permanent magnets of different magnetic materials for magnetrons |
08/30/1977 | US4045706 Arrangement having a traveling-wave tube and a current supply unit |
08/23/1977 | US4044279 Magnetrons |
08/16/1977 | US4042851 Magnetron |
08/09/1977 | US4041350 Magnetron anode and a method for manufacturing the same |
08/09/1977 | US4041349 Travelling wave tubes |
08/02/1977 | US4039892 Resonant cavity magnetron having a magnet system and magnetron destined for such a combination |
07/12/1977 | US4035687 Traveling wave tube having a helix delay line |
07/05/1977 | US4034258 Device for attenuating very short parasitic waves in electronic tubes |
06/07/1977 | US4028583 High power-double strapped vane type magnetron |
05/31/1977 | US4027194 Core magnetron magnetic circuit having a temperature coefficient approximately zero and permeance related |
05/10/1977 | US4023061 Dual mode gridded gun |
05/03/1977 | US4021697 Crossed-field amplifier |
04/19/1977 | US4019089 Wideband multi-cavity velocity modulation tube |
04/19/1977 | US4019087 Coupled-cavity type traveling-wave tube with sever termination attenuators |
04/12/1977 | US4017760 Parasitic oscillation suppressor for electronic tubes |
03/22/1977 | US4013917 Coupled cavity type slow-wave structure for use in travelling-wave tube |
02/01/1977 | US4006382 Magnetron filter |
01/25/1977 | US4005329 Slow-wave structure attenuation arrangement with reduced frequency sensitivity |
01/18/1977 | US4004181 Hyperfrequency resonant system for accelerating a charged particle beam and a microton equipped with such a system |
01/18/1977 | US4004180 Traveling wave tube with rectangular coupling waveguides |
01/18/1977 | US4004179 Slow wave circuit having serially connected contrawound two-turn helices |
01/04/1977 | US4001630 Selectively damped travelling wave tube |
12/28/1976 | US4000438 Electron beam collector for transit time tubes, in particular medium power traveling wave tubes and a process for producing same |
11/30/1976 | US3995241 Device for attenuating very short parasitic waves in electronic tubes with coaxial, cylindrical electrodes |
11/30/1976 | US3995193 Microwave tube having structure for preventing the leakage of microwave radiation |
11/23/1976 | US3993925 Electron beam collector for transit time tubes |
11/23/1976 | US3993924 Delay line for traveling wave tubes |
11/02/1976 | US3989979 Magnetron employing a permanent magnet formed of a manganese-aluminum-carbon system alloy |
11/02/1976 | US3989978 Coupled cavity traveling-wave tube with oblong cavities for increased bandwidth |
10/26/1976 | US3988636 Magnetron with cathode end shields coated with secondary electron emission inhibiting material |
10/19/1976 | US3987333 Magnetron comprising a radially magnetized permanent magnet and an axially magnetized permanent magnet |
10/19/1976 | US3987332 Gang tuner for multi-cavity klystron |
10/12/1976 | US3986066 Electron beam generating system with cathode |
10/05/1976 | US3984725 Permanent magnet structure for crossed-field tubes |
09/28/1976 | US3983446 Gridded convergent flow electron gun for linear beam tubes |
09/07/1976 | US3979634 Travelling-wave tube with an improved electron gun |
09/07/1976 | US3979626 Electrostatic focusing arrangements |
08/10/1976 | US3974417 Four-cavity velocity modulation tube |
07/27/1976 | US3972005 Ultrawide band traveling wave tube amplifier employing axially conductive circuit loading members |
07/27/1976 | US3971965 Internally-focused traveling wave tube |
07/20/1976 | US3970971 Parasitic wave attenuator useable in high frequency electronic tubes |
07/20/1976 | US3970891 Electron collector for an electron beam tube |