Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 201 - 250 out of 1,989

Document Document Title
WO/1989/010000A2
A high-power microwave/mm-wave oscillator is filled with an ionizable gas at a pressure of about 1-20 mTorr, into which an electron beam (34) is injected at a high current density of at least about 1 amp/cm2, but typically 50-100 A/cm2. ...  
WO1989010000A1
Un oscillateur de micro-ondes/mm-ondes de haute puissance est rempli d'un gaz ionisable sous une pression comprise entre 1 et 20 mTorr environ dans lequel est injecté un faisceau électronique (34) à une intensité élevée de courant ...  
WO/1989/010002A1
A plasma wave tube is described in which a pair of counterpropagating electron beams (6, 8) are injected into a waveguide housing (2) in which a plasma is formed, preferably by an array of fine wire anodes (4). The electron beams couple ...  
WO/1989/010001A2
A plasma wave tube and associated operating method are described in which a pair of cold-cathode electron beam generators discharge counterpropagating electron beams (2, 4) into an ionizable gas, preferably hydrogen or a noble gas, withi...  
WO/1989/006869A1
The transformer is arranged between a source of electromagnetic waves (3), operating in a frequency band, and a wave guide (2) transmitting the power or energy. Said wave guide (2) is energized by the electromagnetic wave source (3) in a...  
WO/1989/006445A1
Multipactor device (10) has a waveguide bandpass filter structure (14) including a plurality of spaced pairs of opposing electrodes (16, 18) defining respective gaps therebetween in which multipactor action can occur in response to input...  
WO/1986/001032A1
An electron gun (10) that suppresses the non-linear space charge forces and phase-dependant focusing forces that are chiefly responsible for the high emittance of conventional electron guns. The gun comprises a resonant microwave cavity ...  
WO/1985/000074A1
A cathode/grid assembly for effecting a dual power mode electron gun for use with a travelling wave tube. The conventional "shadow grid" (210) is both electrically and mechanically isolated from the cathode (100). A variable voltage sour...  
WO/1980/002621A1
The device comprises a means (1) for forming a charge-particle beam, and, located coaxially and consecutively along the beam, an accelerating tube (2) for imparting to the beam speeds close to the light speed, a deflecting system (4) for...  
WO/1980/001622A1
An amplifying klystron with a coaxial energy outlet has an output resonator with a coupling gap and passive resonators constituting a filter system. A case (7) with short-circuiting bars (8, 9) is mounted coaxially outside the output res...  
WO/1980/001332A1
A method of correction of phase shift in an multi-cavity klystron consisting in partial branching-off the signals from the output and intermediate resonators (4) and (3) of the klystron (1), adding up the branched off signals, their ampl...  
JPWO2017154987A1
The present invention provides the slow wave circuit which secures the wide range zone in a fold-up waveguide. A slow wave circuit is provided with a fold-up waveguide and a beam hole. A beam hole is arranged between the center in the cr...  
JP2018535512A
The present invention relates to a multi-beam guidance output pipe amplifier containing an output cave (34) and a plurality of electron guns (11, 21) which had it meant that each emitted an electron beam (12, 22) which passes through an ...  
JPWO2017104680A1
The slow wave circuit and traveling-wave tube which were suitable for processing detailed-ization of the beam hole, and suitable for high frequency-ization are provided. The section shape of a direction perpendicular to the longitudinal ...  
JP6340163B2  
JP6282811B2  
JP2017076575A
[Subject] Disorder of a hose is prevented and a gyrotron which can control a leak of RF is provided. [Means for Solution] A gyrotron is provided with a main part, a collector, an insulator, hose 31, and base material 32. As for a main pa...  
JP2017054699A
To provide an electromagnetic wave generation device which is advantageous for downsizing, and a method therefor.An electron bunch 11 emitted from an electron gun 14 is tilted by a high frequency deflection cavity 16 and made incident to...  
JP2016225214A
To provide a high frequency input coupler in which corrosion caused by liquid coolant can be suppressed.The high frequency input coupler is provided that comprises: a ceramic window member which is disc-shaped and in which a circular ope...  
JP2016207379A
To provide an electron gun capable of suppressing discharge of ineffective electronic components.An electron gun 13 includes a cathode 30, a cathode support cylinder 31, a cover 47, a support base 33 and a thermal expansion adjustment se...  
JP2016115580A
[Subject] An electron tube releasing device which makes it possible to be able to lighten a worker's labor and to reproduce an electron tube by good result is provided. [Means for Solution] It is electron tube releasing device 20 which s...  
JP2016031424A
To provide a drive mechanism of a mirror in a vacuum vessel capable of eliminating the need for operation of releasing and fastening of a large number of pairs of bolts and nuts, facilitating the positioning and the adjustment of the mir...  
JP5864570B2  
JP2015145802A
To enable the consumption state of an electronic tube, even the one used for a compact radar, to be accurately detected without causing oscillation failure, and to make the economical use of the electronic tube possible by grasping its r...  
JP2015141777A
To provide a gyrotron collector capable of preventing deformation.A gyrotron collector 20 includes a collector body 24 and a reinforcement part 32. The collector body 24 is so formed so that one end in an axial direction is open and the ...  
JP5675596B2  
JP2014032958A
To provide a plasma light emitting device with improved total luminous flux and light emitting efficiency.A plasma light emitting device 1 in an embodiment comprises: an electromagnetic wave generator 2; a waveguide 4 for transmitting el...  
JP2013533598A
The present invention relates to the Dynatron tube (22, 99, 130) and a device (10, 40, 60, 105, 150) for generating electromagnetic THz radiation which has an oscillator (26, 47, 66, 194, 196). The Dynatron tube (22) is a source of an el...  
JP2013161794A
To provide an electromagnetic wave oscillator with multiple tunnels and an electromagnetic wave generation device including the electromagnetic wave oscillator.There are provided an electromagnetic wave oscillator with multiple tunnels a...  
JP5204939B2  
JP5130519B2  
JP5131905B2  
JP5102874B2  
JP5073140B2  
JP5007008B2  
JP2012151068A
To solve the problem of a conventional gyrotron tube, in which when the conventional gyrotron tube is horizontally placed by being fixed at only one place in a mounting flange, concentricity between the gyrotron tube and a magnetic field...  
JP4970697B2  
JP4886071B2  
JP4827355B2  
JP4774181B2  
JP4690036B2  
JP4670027B2  
JP4617420B2  
JP4584147B2  
JP2010232072A
To provide a microwave transmitting window frame capable of preventing corrosion of a metal portion and having high cooling efficiency. A microwave transmitting window structure provided with: a flat-plate shaped dielectric disc 21 havin...  
JP2010192353A
To provide an electron tube capable of effectively discharging a gas generated from an electron gun side and a collector side without having a complicated structure and suitably restraining electric discharge in the tube and variation of...  
JP2010526417A
[Subject] In order to control the electron beam in a beam collector, distribution control of excitation electric power is performed. [Means for Solution] It is the collector sweep method for controlling electron beam 1 in beam collector ...  
JP4499093B2  
JP4494735B2  
JP2010086847A
To provide a traveling-wave tube capable of eliminating a delay circuit, making an effective band extremely wide, and easily obtaining a large amount of output, with a simple structure using a waveguide of a TM mode as a coupled circuit....  

Matches 201 - 250 out of 1,989