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