| Document |
Document Title |
|
JP3707932B2 |
To provide a high frequency electron gun having a multistage accelerating cavity capable of extending the life of an electron source to be stably operable, easy to design and more inexpensive. In this high frequency electron gun having a...
|
|
JP3708915B2 |
To shorten the time for impedance matching and microwave matching and to supply stable microwaves in a microwave matching apparatus. A rotational movement of a motor 1 is converted to a linear movement by a reciprocating reel mechanism c...
|
|
JP2005259508A |
To provide a magnetron for microwave oven which can suppress unnecessary noises, especially the 6th higher-harmonic wave and 7th higher-harmonic wave.The magnetron for microwave oven is equipped with a cathode 12 located inside an anode ...
|
|
JP2005528825A |
A magnetic field compensation winding arrangement for a cathode ray tube includes a magnetic field compensation winding positioned on the cathode ray tube to compensate for an ambient magnetic field. An operational amplifier is used for ...
|
|
JP2005251634A |
To provide a magnetron having a construction which can regulate oscillation frequency with a low cost structure without usage of expensive components such as a diaphragm, a bellows and so on, and hardly causes electric discharge or the l...
|
|
JP3694568B2 |
To provide a structure by which a loss of a magnetic circuit is reduced and whose structure is simple and which has high reliability to vacuum leakage by arranging an anode insulator to integrally insulate an anode and a magnetic field p...
|
|
JP3690662B2 |
To provide a high-voltage feed-through capacitor not to be burnt, even if continuous sparks are generated by application of overvoltage. The capacitor 2 is provided with electrodes 214-215 on both surfaces, where through-holes 211 and 21...
|
|
JP2005228628A |
To solve a problem wherein effect of efficiency improvement of a microwave tube that is enhanced by making the electric potential of a collector lower than that of an interaction part, is limited due to existence of some electrons that a...
|
|
JP2005222908A |
To provide a magnetron which sufficiently reduces an unnecessary radiation, and simultaneously prevents the degradation of oscillation efficiency.In the magnetron 41, let Rp be the radius of the plane part 45b of a magnetic pole segment ...
|
|
JP3683381B2 |
To suppress the level of spurious radiation to be low, and secure stable operation without using any additional component such as a spurious reducing filter or the like. In an anode 10 arranged in the center portion of a cathode 3, plura...
|
|
JP2005217296A |
To provide a high-voltage feed-through capacitor, a high-voltage feed-through capacitor device, and a magnetron wherein the capacitor and the capacitor device can so suppress the level of the unnecessary radiating wave generated from the...
|
|
JP2005216602A |
To provide a magnetron drive power supply device capable of effectively cooling components such as a high-voltage transformer, a heat radiation plate, a power element and a high-voltage diode.A cross-sectionally U-shaped air guide 3 is m...
|
|
JP2005209426A |
To provide a small magnetron capable of providing high cooling capacity.By closely disposing a cooling block 45 having two systems such as upper-tier side passage 45U (ducts 45a, 45b and 45c) for running a cooling medium in the axis dire...
|
|
JP2005209539A |
To provide a magnetron in which fluctuations in the electric properties and mechanical strength of a filament are small, fluctuations of life as a magnetron are small, and quality as the magnetron is stabilized.In the magnetron 10 in whi...
|
|
JPWO2003069649A1 |
By further improving the electron emission characteristics of spint-type cold cathodes, carbon nanotubes, and carbon nanofibers, we have created a high-performance electron emission device capable of emitting high-intensity electrons at ...
|
|
JP2005151636A |
To provide a high power circuit which can prevent the damage or the performance deterioration of a device being the target of voltage application by shortening the rise time of power voltage at power ON.This power circuit has a voltage d...
|
|
JP3649851B2 |
To provide a coaxial magnetron capable of easily performing heating process for getter activation without lowering of a withstand voltage at a peripheral input part by installing a getter in a cavity for the getter coupled with an axial ...
|
|
JP3650477B2 |
To make a judgment on the life of the filament of a magnetron, concurrently extend the time for the replacement of the magnetron, and furthermore indicate a time for replacement. This device is provided with a magnetron 1, an anode elect...
|
|
JP2005513731A |
Vacuum tube incorporates at least one electrode (30,40,50,60) produced in the form of a ceramic block with a high thermal conductivity, the block being an electrical conductor on at least a part of its surface. An Independent claim is al...
|
|
JP3645987B2 |
To enable to hold temperature characteristics equal to that using an alnico magnet even if a rare earth magnet is used for a magnet to ensure light weight and miniaturization by forming a magnetic shield part of a magnetic metal to provi...
|
|
JP2005116355A |
To provide a microwave tube system and a microwave tube which can prevent an unnecessary operation stop by suppressing an easy output of an alarm even if discharge is generated in the microwave tube.This microwave tube system has a micro...
|
|
JP2005116384A |
To improve focusing characteristics of a projection cathode-ray tube without accompanying in substance increase of the neck diameter of the projection cathode-ray tube.In the main lens in which a first, a second, and a third cylindrical ...
|
|
JP2005109006A |
To provide a very reliable high-voltage feed-through capacitor which can be increased in adhesiveness at an interface of an insulating resin, be prevented from debonding along the interface, and be further prevented from characteristic d...
|
|
JP2005510013A |
A high-pressure discharge lamp has a discharge vessel that is enclosed, with an interspace, by an outer bulb. The end of the outer bulb is provided with a lamp cap. The lamp has an ignition circuit including a series connection of a glow...
|
|
JP2005093330A |
To provide a magnetron negative electrode structure capable of preventing an external terminal inserted in a stem insulator from turning without increasing a manufacturing cost etc.Tip ends of base end shaft parts 53a, 54a of external te...
|
|
JP2005093082A |
To provide a magnetron capable of restraining spurious oscillation of a π-1 mode or the like and restraining spurious radiation even without insertion of a filter.A positive electrode cavity resonator 1 consisting of a plurality of reso...
|
|
JP2005093176A |
To provide a traveling wave tube equipped with a heat radiation structure capable of securing a space for the traveling wave tube on the upper part of a heat radiation body without lowering the property of conducting heat from a collecto...
|
|
JP2005093327A |
To provide a magnetron apparatus and its manufacturing method capable of activating a cold cathode body, reducing characteristics fluctuations and costs of the apparatus, and increasing a degree of vacuum.A lead axis 35 having a cold-cat...
|
|
JP2005085750A |
To provide a magnetron for a microwave oven for simplifying manufacturing process and preventing defective brazing caused by insufficient injection of brazing material, and having an anode making the magnetron show the optimal performanc...
|
|
JP2005085510A |
To provide a magnetron cathode structure capable of uniformly enhancing welding strength between a magnetron cathode body and a cathode lead to support the magnetron cathode body, or to provide its manufacturing method capable of uniform...
|
|
JP2005071855A |
To provide a long-life magnetron capable of stably oscillating by preventing deformation of a filament coil.This magnetron has a positive electrode and a negative electrode. The magnetron uses the filament coil composed by secondarily re...
|
|
JP2005065473A |
To provide a three-phase power supply phase interruption detection circuit capable of detecting phase interruption, even when only one phase is interrupted.If either of R-phase or S-phase of the three-phase power supply 100 is interrupte...
|
|
JP2005056785A |
To provide a magnetron equipped with a cathode part with an elongated life in a simple structure.The cathode part 13 is structured by heating a cathode base plate 10 at 400 to 600°C in hydrocarbon system atmosphere such as methane, havi...
|
|
JP3622742B2 |
A magnetron in accordance with the present invention is configured so that an antenna lead (17) connected to a desired position of an anode segment (2) passes through a magnetic pole piece (7) and a metal cylinder (8) so as not to make c...
|
|
JP2005505112A |
The subject of the present invention is a very high-power microwave generator using the virtual cathode effect. The microwave generator (60) comprises an emitter (62) capable of producing electrons in a microwave output circuit (64, 66),...
|
|
JP2005038820A |
To provide a magnetron with which a terminal rod to be connected to an outer power source can be easily installed.This is the magnetron provided with a filament formed in a coil state, a pair of shields fixed respectively to both end par...
|
|
JP2005038806A |
To provide a magnetron of which the 500 to 700 MHz noise level is reduced.The magnetron is equipped with a LC filter circuit composed of a capacitor 7 and choke coils 14 which connect cathode input copper lead wires 6 with the capacitor ...
|
|
JP2005504472A |
A display system (10) which includes a CRT feedback current simulating circuit (20) to simulate the cathode feedback current directly from the from the red, green and blue output biases of the video processor (13). Furthermore, the displ...
|
|
JP3618326B2 |
|
|
JP3614478B2 |
PURPOSE: To provide an improved linear electron beam tube constitutional body. CONSTITUTION: An induction output quadrupole tube is provided with a cylindrical ceramic envelope body 1 and an electron gun comprising a cathode 2 and a grid...
|
|
JP3611132B2 |
A sputter magnetron ion source for producing an intense plasma in a cathode container (2) which ionizes a high and substantial percentage of the sputter cathode material (5,5') and means for extracting the ions of the cathode material in...
|
|
JP2005011585A |
To provide a cathode-ray tube with high contrast (high brightness) and high resolution.An electron beam generating part of an electron gun structure is provided with at least a cathode K emitting electron beam and a control electrode G1 ...
|
|
JP3608897B2 |
To estimate the remaining life time of a magnetron and use it to its maximum by providing a transfer switch, having a life time confirming terminal feeding the filament voltage at the specific ratio of the rated filament voltage, in addi...
|
|
JP3606974B2 |
|
|
JP3594559B2 |
To provide an anode modulator for a klystron that improves a buildup of anode voltage without increasing the duty of a switch. A high-voltage part of a klystron 1 and the anode modulator are stored in a common tank 300, so that a klystro...
|
|
JP3594723B2 |
To transform the waveform of high voltage pulses into the flat pulse waveform without enlarging the apparatus by draining the electric charge to a load from a sag compensating means so that the load current detected by a detecting means ...
|
|
JP2004311179A |
To provide a klystron capable of relatively easily magnetizing a permanent magnet, easily forming the permanent magnet and a magnetic pole.A magnetic circuit is constructed by a permanent magnet 51, an inside magnetic pole 48, an inside ...
|
|
JP3580677B2 |
To provide an electron gun structure of a microwave tube and its manufacturing method which is operated stably. An electron gun structure is provided with a cathode 12 which emits an electron beam, a heater which heats the cathode 12, a ...
|
|
JP3577032B2 |
Insulating ceramic parts (2) for insulating collector electrodes (1) in a traveling wave tube and a vacuum envelope (3) are formed in a cylindrical shape in which the central axis of the inner diameter diverges from the central axis of t...
|
|
JP2004281320A |
To provide a magnetron, preventing exfoliation of a getter in a magnetron tube, improving getter effect and retaining high vacuum for a long period of time.A paste of a mixture of gas absorbing metal power of a particle size of 10μm or ...
|
