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JPWO2010097882A1 |
The magnetron (1) of the present invention has an anode cylinder (11) formed in a cylindrical shape with both ends open and a plurality of vanes (17) radially arranged on an inner wall surface, and the anode inside the anode cylinder. Th...
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JP5005358B2 |
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JP5007034B2 |
To provide a photoelectric element in which damage on a photoelectric face is reduced and acceleration of electron beams is facilitated, and an electron beam generator. The transmission type cathode plug is a photoelectric transfer eleme...
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JP5007008B2 |
In a magnetron anode, an anode surrounds a central cathode. The anode is of a segmented structure having a plurality of annular segments stacked together along its length. Each annular segment includes a strap, the strap being distribute...
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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...
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JP4991266B2 |
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JP4986630B2 |
A sequentially pulsed traveling wave compact accelerator having two or more pulse forming lines each with a switch for producing a short acceleration pulse along a short length of a beam tube, and a trigger mechanism for sequentially tri...
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JP4970697B2 |
An optical magnetron is provided which includes a cylindrical cathode having a radius rc, and an annular-shaped anode having a radius ra and coaxially aligned with the cathode to define an anode-cathode space having a width wa=ra-rc. The...
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JP4969084B2 |
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JPWO2010073564A1 |
To provide a magnetron that retains the deformation of the side tube on the cathode side for the alignment of the cathode filament and eliminates the need for alignment during the exterior assembly work of the magnetron. The magnetron of...
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JPWO2010061565A1 |
To provide a magnetron capable of suppressing the generation of reactive current and noise and improving oscillation efficiency, and a microwave utilization device equipped with the magnetron. The magnetron of the present invention has a...
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JP4914472B2 |
A highly-reliable electronic frequency tuning magnetron comprises an anode for forming a resonant cavity which is segmented into a plurality of spaces in an inner periphery side of a cylindrical anode shell, a cathode provided at the cen...
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JP4909654B2 |
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JP4904877B2 |
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JP4898169B2 |
It is an object to provide a magnetron for a small-sized microwave oven which takes safety standards and a noise into consideration, in a magnetron 10 for a microwave oven, a pair of choke coils 16 and 17 are provided in a filter case 11...
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JP4894173B2 |
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JP4898316B2 |
Problem: To set out improvement of the oscillation output efficiency and miniaturization in respect to a magnetron. Means to solve the problem: At an oscillation frequency of 2450 MHz band, number of the vanes 2 constituting the anode pa...
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JP4898234B2 |
Problems: To provide a magnetron having a »/4 type choke structure suppressing higher harmonic wave components propagated in a higher order mode or suppressing an unnecessary radiation of the medium band interposed between two higher ha...
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JP2012049941A |
To provide a magnetron and a radar device of a smaller size which comprises a filter for removing spurious radiation.A filer comprises: a columnar inner conductor 1 of conductivity; an external conductor 2 of conductivity to cover the wh...
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JP4888334B2 |
Controlling the power supply of a magnetron comprises determining and memorizing a magnetron efficiency value, measuring the anodic current, measuring the applied voltage, calculating the difference between the target microwave power and...
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JP4876471B2 |
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JP4849258B2 |
The present invention includes a waveguide for outputting radio frequency wave, a vacuum envelope provided with a slow-wave circuit, a coaxial connection part connecting the waveguide and the vacuum envelope, an insulating window member ...
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JP2011243420A |
To provide a klystron in which an output waveguide can be soldered airtight to a high frequency interaction part, and an inflow of solder material to the vacuum side of the output waveguide can be prevented.A klystron comprises an electr...
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JP4827355B2 |
An RF transmitter, such as a radar transmitter or a communications amplifier, is provided that includes a plurality of RF power tube sections each sharing a common collector. The RF tube sections may comprise Klystron tubes, TWT tubes or...
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JP2011238601A |
To reduce a required mounting space accompanying the use of a high-frequency generation device, when the high-frequency generation device such as a magnetron is used in a vehicle having a mounted engine.As a temperature control system 10...
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JP4815146B2 |
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JP4805656B2 |
The present invention provides a multi-beam klystron apparatus. In the above-described multi-beam klystron apparatus, the magnetic field generating element of the electron-gun-unit-side magnetic field generating unit is disposed around t...
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JP2011216488A |
To provide a magnetron capable of fine adjustment of a magnetic field intensity.The magnetron is provided with a movable mass member composed of a magnetic-permeable material such as a slider 20 in order to make a fine adjustment of a ma...
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JP4796855B2 |
A power supply apparatus (60) for supplying predetermined supply voltages respectively to an anode electrode (40), a cathode electrode (11), a collector electrode (30), and a helix (20) of an electron tube. The power supply apparatus com...
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JP2011204687A |
To provide a microwave generator capable of accurately controlling the filament temperature of a magnetron and attaining longer lifetime of the magnetron.The microwave generator includes the magnetron 74 facing preparing a cathode 80, in...
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JP2011198552A |
To provide a lead wire fixing method and an electron tube capable of restraining generation of cracks at an envelope or the like, with cost reduced.A through-hole is provided at an envelope made of ceramics, a lead wire is inserted into ...
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JP2011198725A |
To provide a magnetron structure capable of thinning plate thickness of an anode cylinder.An anode 11 for oscillating microwaves has an anode cylinder 14, and a plurality of vanes 21 joined with an inner wall of the anode cylinder by sep...
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JP2011192455A |
To provide an electron tube for allowing the resonance frequency of an input cavity to be adjusted by using an electric driving means for repositioning a cathode to adjust an clearance between the cathode and a grid.The electron tube inc...
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JP4779245B2 |
To save space, reduce number of component items and wiring cables, improve an insulating property and heat dissipation, and reduce assembling man-hour, in a power circuit board used for a dryer for drying foods with a microwave oven or m...
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JP2011187421A |
To provide a magnetron capable of improving cooling efficiency of the magnetron without reducing cooling effects with heat conduction to a heat-radiating fin, and to provide magnetron-utilizing equipment.The magnetron includes: an anode ...
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JP4774181B2 |
A magnetron includes a decoupling plate located between the end hat of the magnetron cathode and an output coupling member. The use of the decoupling plate presents a high impedance and gives a resonant circuit which is arranged to be re...
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JP4772234B2 |
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JP4768107B2 |
A magnetron comprises an anode ring concentrically disposed around and spaced from a cathode. The anode ring further comprises a plurality of anode vanes extending radially toward the cathode with cavities being defined between adjacent ...
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JP4742672B2 |
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JP4742654B2 |
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JP4737890B2 |
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JP2011113949A |
To prevent discharge generated at the outside of a space vacuum sealed at a brazed part and a metallized part which are formed by a part of a magnetron structure.The magnetron includes: an exhaust pipe which has an antenna in a vacuum se...
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JP4690036B2 |
Axially symmetric magnetic fields are provided about the longitudinal axis of each beam of a multi-beam electron beam device. The magnetic field symmetry is independent of beam voltage, beam current and applied magnetic field strength. A...
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JP2011100600A |
To increase a speed of an electron beam to increase the interaction between the electron beam and an electric field, thereby increasing the operation efficiency of a klystron device.The klystron device 1 includes an electron gun 10, a dr...
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JP4684524B2 |
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JP2011095167A |
To provide an electromagnetic wave generation device capable of generating a stable electromagnetic wave without widening the band of a transmission system including an antenna and a high frequency circuit, and without increasing the who...
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JP4670027B2 |
A magnetron has an anode cylinder, a plurality of vanes extending radially inwardly from the anode cylinder, a cathode filament extending along a center axis of the anode cylinder, an output section including an antenna coupled to one of...
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JP4667441B2 |
To obtain a brazing material where the major components thereof is Mo and Ru of the rare metal is not used. The brazing material comprised of (1 to 3.5) wt% of C - (1 to 3.5) wt% of B - remainder of Mo.
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JP4660568B2 |
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JP4659239B2 |
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