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JP2555656Y2 |
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JP2654277B2 |
PURPOSE: To obtain a directional coupler for millimeter wave transmission which eliminates the rotation mechanism of a sub-waveguide and monitors the electric power at any time. CONSTITUTION: Rectangular waveguides 7a, 7b being sub-waveg...
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JPH09237582A |
To provide a high-reliability gyrotron device reducing the current fed to an adjusting electromagnet and easily discharging the generated heat by providing an axial position adjusting mechanism capable of adjusting the axial position of ...
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JP2648736B2 |
In a multi-cavity klystron amplifier tube, the gain-bandwidth product is improved and the amplitude response is made flatter by successive intermediate floating cavities (24, 28, 32) downstream of the input cavity (18) tuned to successiv...
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JPH09167573A |
To quickly assemble an antenna feeder in an exhaust pipe without deformation, and prevent the deformation of the exhaust pipe and the displacement of an antenna feeder in chip-off work by providing the exhaust pipe having a small diamete...
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JP2612119B2 |
PURPOSE: To make economic improvement and also provide great output power for a klystron by positioning a vacuum sluice valve in the middle of a drift pipe. CONSTITUTION: A vacuum sluice valve 9 is positioned in the middle of a drift pip...
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JPH09129127A |
To provide a magnetron manufacturing method to manufacture magnetron with high quality at low cost. To solder an antenna 5 and a pane 2b, at first a through hole is formed in the antenna 5 by pressing process. The position of the hole is...
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JPH09129149A |
To provide a low-noise magnetron giving no interference to the radio, television, or communication when a microwave oven is used at the home with high quality at a low cost. This magnetron is provided with an anode cylinder 1, a cathode ...
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JP2604263B2 |
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JP2602297B2 |
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JP2597386B2 |
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JPH0945253A |
To raise the electrical efficiency of a gyrotron without any need of reforming a gyrotron tube itself by changing the conventional magnet to a specific magnet, regarding a magnetic device for forming a prescribed magnetic field. A conven...
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JPH08306306A |
PURPOSE: To provide a manufacturing method of a magnetron and a brazing material to be used in it by which brazing materials are not set in a plurality by mistake and assembling is facilitated and which can perform highly reliable brazin...
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JP2547885B2 |
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JP2544501B2 |
A microwave oven with an invertor control power source produces a microwave by the use of the magnetron (MAG) in relation to the high frequency power (Pi) generated by the invertor control power source (1). The heat sensitive ferreit bea...
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JPH08264127A |
To stabilize as well as to increase an output and improve efficiency of output and input energy ratio by making a magnetic flux density even at a drift passage of an electron beam with a magnetic force generating mean. An electron beam d...
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JPH08215877A |
PURPOSE: To reduce consumption of inactive gas and to shorten manufacturing time, in the welding process of the seam of a copper cylindrical member for an electron tube, by dispensing with a shield box and enabling the joining without ai...
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JP2506681Y2 |
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JP2524105B2 |
A tube for amplifying high-frequency multikilowatt, amplitude-modulated signals utilizes a linear beam of electrons which is density-modulated by a permeable control grid 24 spaced close to a thermionic cathode 22. The beam is focused th...
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JPH08190871A |
PURPOSE: To reduce unwanted modes generated at a higher-order mode oscillation to stabilize the oscillating operation and output of a gyrotron by forming a horizontal groove on the cylindrical inner surface of a cavity resonator over the...
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JPH08102263A |
PURPOSE: To restrict the outside leak of the microwave, and to assure the safe and efficient operation at a low collector potential by arranging a microwave absorbing member in the periphery of an insulating cylinder provided between a m...
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JPH0817081B2 |
In a peniotron, hollow electron beam (e) is generated from a cathode gun assembly (11) and a DC magnetic field is applied to the electron beam (e) from solenoid coils (18, 19, 20). Thus, each electron of the electron beam (e) is gyrated ...
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JPH0845657A |
To make a low-voltage oscillation tube which is usable for microwave ovens and make microwave ovens small and light-weight by installing a klystron which is operated and provides an output with a prescribed energy, when an electric power...
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JPH088070B2 |
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JPH088071B2 |
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 is injected at a high current density of at least about 1 amp/cm2, but typically 50-100 A/cm2. A pla...
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JPH087775A |
PURPOSE: To enlarge the device output while the load amount of an output window is reduced, by furnishing a cylindrical mode transformer in specified shape which should separate the fed electromagnetic wave into a plurality of electromag...
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JPH07326296A |
PURPOSE: To provide a helix type traveling wave tube capable of detecting only a hilix current without requiring a time for causing delay to detect the helix current or for not detecting an excess helix current at the time of starting or...
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JPH07299297A |
PURPOSE: To provide a cordless iron which can be rapidly heated up to an ironing temp. and is capable of maintaining this ironing temp. over a long period of time. CONSTITUTION: A cavity 13 is automatically constituted when an iron body ...
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JPH07105202B2 |
The cutter is designed to repeat the cutting process of various shapes without frequent change of the cutter blade. The cutter of the cutting blade for die cutter (20) is composed of more than two types of blade cutters (10) which are ar...
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JPH07101596B2 |
According to this invention, a traveling-wave tube amplifier includes a traveling-wave tube having a multistage depressed collector and a power supply for applying operation voltages to the traveling-wave tube. A body voltage (Vb) for a ...
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JPH07254371A |
PURPOSE: To provide a gyrotron device capable of realizing a beam-like electromagnetic wave of high transmitting efficiency. CONSTITUTION: In a gyrotron device, at least one of reflection mirrors 55a for reflecting an electromagnetic wav...
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JPH07508129A |
A linear electron beam tube such as an IOT includes an input cavity (6) formed from an inner body portion (12) and an outer body (13) which are joined together by a generally cylindrical electrical insulator (14). The input cavity (6) su...
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JPH0777119B2 |
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JPH0766749B2 |
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JPH07169424A |
PURPOSE: To modulate an electron beam, which is emitted from a field emission cold cathode electrode, in the lateral direction. CONSTITUTION: An electron beam device is provided with a cold cathode 1, a modulating means 2 and an anode 3....
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JPH0756839B2 |
A standing-wave accelerator including a plurality of accelerating cavities arranged along the axis direction of the accelerator; a plurality of coupling cavities provided between the two-adjacent accelerating cavities; at least one of th...
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JPH0754664B2 |
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JPH0746564B2 |
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JPH0746567B2 |
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JPH0744005B2 |
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JPH0736318B2 |
Yoke joints of a magnetron for generating microwaves include joining lugs having holes protruding out from the upper edges of each end of a plane part of a lower yoke and catches provided in an upper yoke to join with the above joining l...
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JPH0746420A |
PURPOSE: To provide a cooling structure for an electron beam tube, where an electron gun is surrounded with an input resonance cavity to which a high-frequency energy is impressed. CONSTITUTION: This electron beam tube similar to an IOT ...
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JPH06310044A |
PURPOSE: To provide an output resonance cavity circuit for an electron beam tube device for extracting high-frequency energy, in which connection between cavities can be adjusted by a dome complete member. CONSTITUTION: In an IOT device,...
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JPH0677438B2 |
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JPH06267444A |
PURPOSE: To obtain a gyrotron device in which temperature gradient and thermal stress of dielectric substance are reduced by generated electromagnetic wave and life of the output window is lengthened. CONSTITUTION: In a gyrotron device, ...
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JPH0656738B2 |
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JPH06196099A |
PURPOSE: To efficiently exhaust the generated gas by partitioning vacuum spaces except a passage for electron beam and high frequency wave from a resonance cavity part to a collector part by bulkheads, respectively, and exhausting air fr...
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JPH06196362A |
PURPOSE: To obtain high reliability at actually use when an inverter type power supply for magnetron drive is used by a method wherein a round rod part is made of copper, brass, or the other copper alloys being a good conductor and a Fas...
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JPH06196100A |
PURPOSE: To provide a collector body structure for a gyrotron having a high allowable heat load and capable of preventing the local melting of a collector. CONSTITUTION: A collector body structure for a gyrotron has a target plate 24 con...
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JPH06176701A |
PURPOSE: To provide a shield of high level for preventing the emission of the electromagnetic radiation by surrounding an output prove by a shield structure, and locating the same in a magnetic field of a Faraday cage having a vacuum ves...
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