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JP5361307B2 |
To suppress the leakage of harmonics from a magnetron. In an exhaust tube 13 of the magnetron having a tubular small-diameter portion 52 sealed together with an antenna 14 while encircling the antenna 14 and a tubular large-diameter port...
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JP5341442B2 |
This disclosure is related to a magnetron including a cylindrical cathode having a center axis, an anode coaxially arranged with the cathode so as to be separated from the cathode via a predetermined space, and a pair of pole pieces prov...
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JP5313519B2 |
To provide a magnetron capable of restraining inner-tube discharge due to surplus wax materials produced on the way of brazing of a center lead, side lead, stem, lead-relay plate, and leads outside a stem tube. The magnetron includes lea...
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JP5311620B2 |
The present invention aims to provide a magnetron in which the getter material is used under the temperature range in which the gettering effect is sufficiently exerted, and even if the getter material evaporates, the vapor of the getter...
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JP5311464B2 |
A first resistor, a second resistor, a transistor, and a third resistor connected in series between a ground potential and an output terminal of a power circuit are provided. In addition, a current-detecting resistor is inserted in serie...
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JP2013187143A |
To provide a method for manufacturing a vacuum envelope capable of improving heat transfer efficiency, a vacuum envelope, a traveling-wave tube and a shaft holder.The method for manufacturing a vacuum envelope of a traveling-wave tube fo...
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JP5285868B2 |
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JP2013152948A |
To solve the problem that a cathode body used for a magnetron has many disadvantages in increasing power.A cathode body for a magnetron is obtained, which uses as a base material a high melting point metal having an electron emitting mat...
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JP5255189B2 |
A power supply apparatus (100) has a series regulator (103) for generating a predetermined power supply voltage from a DC voltage output from the rectifying circuit, and a capacitor bank (104) of rectifying capacitors for stabilizing the...
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JP2013133493A |
To provide a tungsten alloy component which does not include a thorium component that is a radioactive material.The tungsten component includes Ta of 0.1 to 3 wt.% expressed in terms of TaB2. Further, the tungsten alloy component prefera...
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JP2013131304A |
To provide a cathode for magnetron that is enhanced in reliability by stabilizing quality characteristics by improving the degree of vacuum by increasing coating area of a getter material, and also making constituent members lightweight....
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JP5224174B2 |
A magnetron has a cathode, an anode with vanes, and an insulating surface which faces the cathode and receives material from the cathode due to sputtering at the cathode. A conductor enables the resistance of the film so deposited to be ...
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JP2013125584A |
To provide a lightweight magnetron magnetic circuit of stable operation in which distortion due to the magnetic circuit of a magnetron can be reduced.The magnetron includes an anode formed of an anode cylinder 6 and a vane 7, a cathode c...
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JP5209176B2 |
Disclosed herein is a capacitor (100) for a magnetron. The capacitor (100) has dielectric members (130), which have a converging angle of less than 180° defined between lines extending from both sides of each dielectric member (130) for...
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JP5201717B2 |
In each anode vane 10, there is provided the brazing material spreading prevention groove 13 that interconnects the strap ring inserting portions 11 and 12 in parallel to the direction of the central axis Ax. With such a configuration, i...
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JP5201711B2 |
A gap is provided between a cooling block 22 and a magnetic yoke 20. A cushioning material 25 is interposed in the gap to fix the cooling block 22 relatively to the magnetic yoke 20 by screws. Thus, even when metals having a large differ...
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JP5204939B2 |
A magnetron has an output comprising a coaxial line (15) which transmits energy from a wanted oscillator mode as a first coaxial waveguide mode and energy from an unwanted oscillator mode as a second cylindrical waveguide mode. Energy in...
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JP5188240B2 |
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JP2013065406A |
To allow the unwanted radiation suppression choke of a magnetron to follow up variation in frequency during operation.The magnetron comprises an oscillation section, and an unwanted radiation suppression choke. The oscillation unit inclu...
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JP5171010B2 |
A power supply comprises an AC/DC converting section for converting AC voltage into DC voltage, a switching circuit having switching elements and outputting a pulse voltage according to the combination of ons and offs of the switching el...
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JP5162880B2 |
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JP5158585B2 |
The present invention includes a Zener diodes (D1,D2) connected between a helix electrode and an anode electrode, transistors (Q11,Q12) that close or open a circuit between a cathode and an anode of the Zener diodes, photocouplers (IC1,I...
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JP5158582B2 |
A power supply apparatus for a traveling-wave tube includes an electrical discharge switch and a first resistor that are serially connected, and that are connected between a cathode electrode and a first collector electrode; N (N denotes...
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JP5140868B2 |
A bottom portion of a metal tape is attached to an end portion of a helix. A coaxial inner conductor for input or output of a high frequency signal is fixed by its end portion being interposed between upright surfaces of the metal tape. ...
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JP2013030377A |
To improve assembling accuracy of a loading element and a helix.A helix type traveling-wave tube comprises a cylindrical envelope 9, an electron gun mounted at one end of the envelope 9 and radiating electron beam inside the envelope, an...
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JP5136906B2 |
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JP5136892B2 |
A voltage control apparatus used for an electron tube or a power supply apparatus includes a detecting circuit for detecting current flowing through a helix electrode; a voltage-limiting circuit for controlling a potential difference bet...
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JP2013026065A |
To provide a TWTA capable of shortening a warm-up time while suppressing deterioration of a cathode.A TWTA is mounted on a satellite for the purpose of performing communication with an earth station. The TWTA has heating means heating a ...
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JP5130519B2 |
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JP5127558B2 |
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JP5115880B2 |
To provide a remaining service life detection apparatus for detecting remaining service life for magnetron, thereby obtaining its time for replacement and making preparation for an exchange operation for the magnetron. The remaining serv...
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JP5114079B2 |
At the time of power activation, the rate of change of current flowing through a heater (12) is determined for every period of time. When the rate of change becomes equal to or lower than a predetermined threshold, a voltage higher than ...
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JP5107052B2 |
The device has a capacitor (C) and a diode (D) constituting a voltage doubler and placed in series in secondary circuit of a main step-up transformer (1), where power variation depends on capacitor value. A magnetron (7) is connected bet...
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JP5100330B2 |
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JP5099636B2 |
An electric current measurement apparatus for measuring an electric current of each electrode of an electron tube includes a transformer, a detection resistor connected in an ampere meter route for measurement, a voltage detection unit f...
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JP5102874B2 |
A collector sweeping method for controlling an electron beam in a beam collector, in particular of a magnetic gyrotron device, comprises the steps of subjecting the electron beam to a transversal sweeping field having a field component p...
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JP2012238567A |
To solve such problems that an electron tube, such as an inductive output tube, has large characteristic variations in an input cavity due to manufacturing variations because of a structure having an electron gun in the input cavity, and...
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JP5086503B2 |
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JP5073140B2 |
A magnetron arrangement has a coaxial output terminating in a probe which launches energy from the magnetron along a rectangular waveguide. The coaxial output is arranged in an endfire configuration with respect to the waveguide, giving ...
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JP5074666B2 |
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JP5055872B2 |
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JP5055877B2 |
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JP5052252B2 |
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JP2012190650A |
To provide a magnetron and a microwave utilization apparatus in which malfunction can be prevented by reducing discharge to an exhaust pipe, and leakage of the fundamental wave due to choke effect can be prevented.A magnetron 10 for use ...
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JP2012190649A |
To provide a magnetron which can stabilize the location accuracy of an anode vane while enhancing the quality, and to provide a microwave utilization apparatus.A magnetron 10 for use in a microwave utilization apparatus comprises: an ano...
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JP5016904B2 |
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JPWO2010097881A1 |
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 (21) radially arranged on an inner wall surface, and the both ends of the anode cylinder. A ...
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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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