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JP2007287636A |
To provide a cavity resonator that suppresses heat generation in a tuner even in the case of increasing duty and output of a high frequency wave, and improves an efficiency of heat dissipation. The cavity resonator comprises: a bellows 1...
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JP3998602B2 |
A superconductor filter comprises a plurality of resonance elements arranged between input-output lines formed on a substrate. Metal conductor sections serving to inhibit the spatial coupling between the adjacent resonance elements are a...
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JP3999200B2 |
The invention relates to a micromechanical resonator having a bondable resonance body and a method for fabricating a micromechanical resonator for semiconductor components. The invention provides that the resonator ( 26 ) is composed suc...
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JP3995319B2 |
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JP2007274119A |
To suppress variation in characteristics at a strip resonator portion while ensuring mass productivity. The electronic component comprises a dielectric substrate 10, a pair of strip resonance electrodes 11 and 12 formed on the dielectric...
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JP2007274283A |
To provide a laminated dielectric resonator of a high Q value and low loss even when a size is reduced, and to provide its manufacturing method. Regarding the laminated dielectric resonator, a plurality of internal electrode layers 500-5...
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JP3990386B2 |
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JP2007259213A |
To provide a technology for reading, from a remote site, a radio tag device installed around a running path such as a road. The present invention relates to the radio tag device including: an antenna for radio tags which is a rectenna in...
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JPWO2005020367A1 |
The electromagnetic field energy of the high-frequency signal is concentrated on one side of the dielectric substrate to reduce the connection loss with electronic components and the like. The front surface 2A of the dielectric substrate...
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JP3985790B2 |
In a dielectric resonator device, the outer shape of a support base is larger than the bottom surface of a dielectric core which is in contact with the support base, and the support base is fixed on the inner bottom surface of the cavity...
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JP3985009B1 |
There is provided a dielectric ceramic material in which the firing temperature dependency of the relative dielectric constant can be suppressed and the mechanical strength can be improved. Specifically, there is provided a dielectric ce...
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JPWO2005004322A1 |
Provided are an oscillator device and a transmitter / receiver that can be used for wideband modulation with high output that can reduce manufacturing costs. An oscillation circuit unit 2 composed of microstrip lines 5, 16 and the like a...
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JP3979433B2 |
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JP2007235778A |
To provide a laminated LC filter in which downsizing is attained. The laminated LC filter includes a plurality of inductance elements constituting a first helical electrode and a plurality of inductance elements constituting a second hel...
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JP2007234433A |
To provide a light source device capable of resonating microwaves by a simple means and continuing the emission of an emissive substance in a light emitting cell even if thermal deformation is generated following the temperature change i...
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JP3974814B2 |
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JP3974723B2 |
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JP3972810B2 |
A duplexer includes a transmitting filter (1) and a receiving filter (2) which are connected in parallel to an antenna terminal (3), and a matching circuit (15) connected between the antenna terminal (3) and at least one of the transmitt...
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JP2007217191A |
To provide a dielectric porcelain composition for a high frequency wave, which has a high εrand a high Q×f value and also has a small absolute value of τf, and thus exhibits excellent dielectric characteristics. A dielectric porcelain...
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JP3966197B2 |
To solve the problem in a dual-mode filter that at least one or more frequency correcting screws have been necessary to be inserted into a cavity resonator other than a coupling screw between orthogonal modes in order to correct the diff...
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JP2007208688A |
To achieve miniaturization of the entire of a filter by achieving reduction in thickness and size of a ring resonator. In a ring resonator filter, first-fourth ring resonators are provided on a multilayer substrate 10. The ring resonator...
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JP3957827B2 |
To further decrease an electric field existent in a sample inserting space by overlapping plural loops at mutual intervals in the axial line direction of a resonator and to provide a uniform modulated magnetic field in the resonator furt...
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JP3961059B2 |
To provide a microwave dielectric porcelain composition having a high dielectric constant and a high Qf value, facilitating the adjustment of the temperature coefficient of a resonance frequency, and adaptable to the filter of a cavity m...
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JP3960560B2 |
A device for processing electromagnetic waves in the microwave range, with a body provided with a circuit element which is electrically connected to a strip-type transmission line which comprises conductor tracks, said body being mechani...
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JP3957623B2 |
To provide a dielectric composition for microwave having a large Qf0, giving a large value of quality coefficient without attaining level B regulation by a longtime heat treatment at a high temperature, and having a large permittivity an...
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JP3955308B2 |
Inside a multilayer dielectric substrate, there are a spiral-shaped first slot set in a part of a first ground conductor layer and a spiral-shaped second slot in a part of a second ground conductor layer put on the front surface of the m...
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JP2007194871A |
To provide a higher harmonic oscillator suppressing a fundamental wave and odd-numbered harmonics, wherein mismatching of impedance is eliminated by obtaining an output consisting principally of, especially, a fourth harmonic by suppress...
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JP3950759B2 |
To provide an impedance converter suitable for a detector so as not to generate a false signal due to paramagnetism impurity by measuring a large number of specimens, and, at the same time, attaching attached equipment such as temperatur...
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JP2007189686A |
To provide a resonator, a band-pass filter, and a duplexer.The present invention relates to a resonator comprising: a first electrode formed of a nonmagnetic conductive material; a ferromagnetic fixed layer disposed on the first electrod...
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JP3948244B2 |
To provide a dielectric ceramic composition for high frequency capable of easily adjusting a temperature coefficient τ of resonance frequency f0, and whose specific inductive capacity εr is 10-20, dielectric loss tanδ at the high freq...
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JPWO2005062415A1 |
The dielectric resonance element portion that resonates in the TE01δ mode and the protrusion portion arranged in the direction perpendicular to the bottom surface of the dielectric resonance element portion are integrally molded, and th...
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JP2007180655A |
To provide a transmission mode converter with a built-in bandstop filter that has a structure for preventing bandstop filter characteristics from being affected by an external additional circuit, even when the external additional circuit...
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JP2007181097A |
To provide a dielectric resonator, an oscillator, filter, high frequency module and method of adjusting a resonant frequency of the dielectric resonator in which a dedicated step for forming a member for resonant frequency adjustment is ...
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JP3939176B2 |
To reduce a dispersion in production of a laminated dielectric filter in which both miniaturization and improvement of performance can be attained. In three resonant electrodes 16A, 16B and 16C, respective intervals d1 and d2 of adjacent...
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JP3936778B2 |
To suppress evaporation of Zn and prevent segregation of Zn in ceramic and stably obtain internally uniform ceramics by calcining a blend raw material compounded so that Zn amount in the blend raw material is more excess by a specific am...
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JP3935951B2 |
A ceramic filter with a coplanar shield which has: a filter body (302) comprising a block of dielectric material having top (304), bottom (306) and side surfaces (308,310,312,314), and having a plurality of metallized through holes (316)...
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JP3937320B2 |
To provide a band stop filter for high frequencies in a simple structure and a small size. The band stop filter is configured to be a series connection of rectangular waveguides 11a, 11b and a cylindrical cavity resonator 12. Concretely,...
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JP3934809B2 |
To provide a dielectric resonating member that capacitor components between a conductor for input and output and an inner conductor formed on the inner face of a recessed part can be made stable, and the formation of the inner conductor ...
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JP3932767B2 |
To provide an array antenna which reduces the radiation loss of branched parts and has a high gain and high efficiency. A dielectric resonator 3 is arranged between dielectric waveguides 1, 1 that are parallelly arranged, and the power o...
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JP3928531B2 |
To enable a dielectric resonator configured by providing a thin-film multilayer electrode on the top and bottom faces of a dielectric unit with side faces left open to perform a lower loss operation and to provide a filter provided with ...
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JP3928873B2 |
A configuration for coupling a dielectric resonator to a microstrip transmission line that maintains a relatively high Q value of the dielectric resonator. The dielectric resonator-to-microstrip transmission line coupling configuration i...
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JP3928293B2 |
To suppress a spurious mode and to selectively couple an excitation probe by coupling the excitation probe with a resonator at an electrode opening part at two coupling points and the two coupling points opposite in phase in the spurious...
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JP2007137764A |
To provide a dielectric ceramic composition having a low dielectric constant and a high Q-value even in a high frequency band no less than 60 GHz, and to provide a dielectric resonator, a nonradioactive dielectric line and a high frequen...
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JP2007142977A |
To provide an antenna wherein the operating frequency is freely adjustable, and moreover the radiation efficiency and antenna gain are high, and an operating-frequency control method by the antenna.This tunable antenna is an antenna whic...
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JP3925235B2 |
To provide a method for suppressing a spuriousness of a resonance Rs due to the profile shape of a dielectric substrate in a resonant component for a high frequency extended in the direction perpendicular to a metal film and having an I/...
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JP3926349B2 |
To provide a control device for an optical frequency comb generator to obtain stable output, without using expensive photochoppers. A bias voltage to be applied on a high-speed photodetector 183, which receives and detects the detect opt...
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JP3924430B2 |
The present invention relates to superconductive filter technology. According to the arrangement of the superconductive filter (1), a columnar resonating member (23) having a superconductive material formed on the surface thereof is atta...
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JP3926053B2 |
To provide a band pass filter that attenuates an electromagnetic wave in the TM 111 mode. A cylindrical cavity resonator 1 of the band pass filter consists of cylinders 11, 12 whose diameters differ from each other and whose axes are sub...
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JP2007135007A |
To provide an oscillation circuit capable of obtaining a high-level, high-Q output, and communication equipment with the same.The oscillation circuit 1 comprises a first slot line 2, a second slot line 3, a third slot line 4, and an FET ...
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JP3921370B2 |
To provide a high frequency filter which raises the attenuation gradient and makes the filter characteristics electronically controllable (variable) to be suitable for improving the manufacturing accuracy, the productivity and the miniat...
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