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JPH10308592A |
To increase magnetic loss (imaginary part permeability) in microwave band by employing spherical or octahedral magnetic powder particles and imparting a form magnetic anisotropy so that magnetic resonance takes place in VHF band through ...
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JP2824596B2 |
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JPH10290711A |
To effectively eliminate communication electromagnetic waves and electrostatic stray magnetic waves in a communication equipment, to perform provision at a low price and to accelerate the weight reduction and miniaturization of the commu...
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JPH10294592A |
To remove a communication electromagnetic wave and an electrostatic turbulent magnetic wave by a method wherein a sheet, on which a repeater- shaped part is formed using a silver powder carbon solvent, is housed in a thin plate-like casi...
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JP2812953B2 |
A high electrical power-resistant radiowave absorbing body is disclosed comprising a carbon fiber fabric embedded in inorganic cement. The fabric can be woven or nonwoven. Carbon fiber fabrics of different densities can be used to develo...
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JPH10270892A |
To obtain a radio-wave shielding body which makes use of the characteristic of a cork by a method wherein a cork base material is mixed with a metal fiber and a heated and compression-bonded sheetlike or boardlike radio- wave shielding b...
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JP2806528B2 |
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JP2803433B2 |
PURPOSE: To provide a reflecting wave absorbing body with thin profile and low price which properly absorbs a reflecting wave from an obstacle independently of a frequency band. CONSTITUTION: This absorbing body is provided with plural 1...
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JPH10251527A |
To obtain a radio wave absorber capable of exhibiting stable absorbing characteristics, without the need of any complicated process control by mixing chip-like foam, electroconductive powder and liquid adhesive base with one another foll...
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JP2800782B2 |
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JP2795406B2 |
To provide the ceramics composition material, which can absorb the electromagnetic waves generated from various kinds of electric and electronic equipments and the manufacturing method thereof. Powder raw material is constituted of 35-65...
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JP2796713B2 |
A null processing receiver apparatus that receives and combines together a number of modulated information signals in such a fashion that an interference or jamming signal superimposed on each received signal is substantially eliminated ...
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JPH10237979A |
To provide a radio wave absorbing body small in change of radio wave absorption by composing a carbon fiber bundle of the specified number of carbon long fibers and forming a water-proof layer on the surface. A number of carbon long fibe...
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JP2794293B2 |
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JPH10224077A |
To provide a small non-inflammable radio wave absorber exhibiting excellent radio wave absorbing performance over a wide frequency range from MHz band to GHz band through combination of porous ferrite having a specific porosity and a fer...
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JPH10221393A |
To enable the reduction of fluctuations in normalized site attenuation by specifying the height of an RF laboratory from the floor approximately equal to the height of the equivalent center of the radiation of a device to be tested from ...
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JPH10224078A |
To provide a small radio wave absorber exhibiting excellent radio wave absorbing performance over a wide frequency by laminating a ferrite tile, porous ferrite and carbon pyramid. Radio wave absorption is measured when a ferrite tile 3 i...
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JPH10224080A |
To provide a thin, planar non-inflammable radio wave absorber excellent in handling performance and exhibiting excellent radio wave absorbing characteristics in a specified frequency band by fixing a planar porous ferrite having a specif...
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JPH10217217A |
To easily obtain a low specific gravity conical wave absorber with a high productivity by a method wherein molded articles, each of which is obtained by filtered water molding and drying silicate slurry containing carbon fibers cut short...
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JPH10213615A |
To suppress a reflection by a method wherein a plurality of incident panels which are composed of an absorption material are oriented along a wall surface and the panels are arranged nearly perpendicularly to the incident direction of RF...
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JPH10200330A |
To effectively improve absorption and neutralization with miniaturization and cost reduction by closely working the front face of aluminium sheet circular, opening a hole at its central part, improving the effect of a coil, absorbing and...
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JPH10196005A |
To provide high workability and low cost, reduce weight as well, and further provide an excellent radio wave absorbing characteristic compatible with the TV radio waves of not only a VHF band but also a UHF band for preventing the occurr...
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JPH10196004A |
To form a radio wave absorber unit as a multilayered structure via one-time feed of ferrite mortar, so as to ensure a high radio wave absorbing function over a wide band, allow easy manufacture and finish to accurate outline dimensions. ...
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JP2778502B2 |
PURPOSE: To provide an electromagnetic wave shielding structure which can prevent the leakage of leak signals from an antenna to equipment from the joint of a satellite body structure with a thermal blanket and has a large strength at th...
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JPH10190799A |
To provide an electromagnetic shielding device for protecting the adverse influence of an electromagnetic wave generated from a portable telephone set to a living body as much as possible. When an electromagnetic shielding body 17 is for...
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JP2774045B2 |
PURPOSE: To produce a highly accurate lightweight radio wave absorption panel by fixing a plurality of ferrite based molded items absorbing radio wave to a groove part made in the surface of a first fiber reinforced concrete layer and th...
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JP2769055B2 |
PURPOSE: To provide a compensating wide-band radio wave absorber applicable to the wide band a by a regular repeat structure of space parts and ferrite parts like a fin-type or lattice-type radio wave absorber. CONSTITUTION: This is a co...
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JPH10168702A |
To obtain the subject cloth capable of easily securing an electromagnetic wave shielding area and workable to various forms such as curtain by arranging patterned small linear antennas on the surface of a cloth in a specific state. The o...
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JPH10163742A |
To improve the radio frequency(RF) immunity of electronic circuit at low cost and to improve the RF immunity of electronic circuit packaged with plastic. Since a hybrid circuit 12 inside a housing 18 of molded plastic diffuses RF energy ...
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JPH10163670A |
To manufacture a wave absorber in a quadrangular pyramid shape which is used in a wave dark room or the like by connecting a small quadrangular pyramid made of calcium silicate of a low specific gravity to thereby make the whole wave abs...
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JPH10154894A |
To obtain a single layer magnetic wave absorbing material which can be dismantled easily at the time of discard while preventing pollution by subjecting a titanate and an iron oxide or an oxide containing titanium and iron to reduction f...
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JP2760578B2 |
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JPH10505739A |
PCT No. PCT/FR95/01163 Sec. 371 Date Mar. 12, 1997 Sec. 102(e) Date Mar. 12, 1997 PCT Filed Mar. 21, 1996 PCT Pub. No. WO96/08863 PCT Pub. Date Mar. 21, 1996The arrangements essentially comprise an antenna element placed in the vicinity ...
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JPH10145076A |
To shield a radio communication apparatus having an integrated transmitter and receiver from radiating a significant amt. of generated microwaves harmful to the human body to ensure a safety by covering specified parts of the apparatus w...
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JPH10145898A |
To provide wireless communication equipment which reduces interference and can be used while using a hearing aid by providing an ear cap using a magnetism absorptive material. A projecting part 122 is provided on a cellular telephone 102...
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JPH10143729A |
To surely prevent the alteration of a magnetic card such as the overwrite, rewrite of the recorded magnetic information by forming a magnetic layer on the surface of a substrate and preparing a radio wave absorption layer consisting of t...
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JPH10140419A |
To obtain the subject yarn useful for medical treatment, capable of absorbing harmful undulation and converting it into useful undulation, by adding ferrite powder having undulation absorbing and converting action. A fiber material is mi...
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JPH10135682A |
To provide a radio wave absorber which can accede to the recent demand for making the frequency utilized for electronic equipment and, at the same time, has a low physical height and an economically wider-band wave absorbing characterist...
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JPH10131339A |
To provide a concrete structural material, by which a ferrite plate can be buried simply at a specified place and on which an exterior tile is attached firmly. In a reinforcement or steel structural frame structure, exterior tiles 6 are ...
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JPH10131338A |
To provide a device, by which a ferrite plate can be buried and fixed simply into a concrete wall-surface panel and an exterior tile can be attached firmly. In the concrete wall-surface panel, the ferrite plates 4 absorbing radio waves r...
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JPH10126090A |
To enable the electromagnetic shield film to be simply applied even to existent antenna capable of electromagnetic shielding selecting the electromagnetic wave only in required frequency besides requireing no conductive material to be br...
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JP2745016B2 |
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JPH10107541A |
To provide a thin composite magnetic body with an excellent high frequency permeability characteristic and a high electromagnetic interference suppression effect. Soft magnetic powder 2 each particle of which is processed to be flat and ...
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JP2743227B2 |
PURPOSE: To provide an electric wave absorbing body which is superb in heat- resistant incombustibility and strength as an impervious type molded item in a certain shape by a heat-resistance binder by using carbon black fine powder as a ...
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JPH10102625A |
To adjust radio wave absorbing power by providing holes at particular intervals in a radio wave absorbing body, inserting carbon fiber bundles with particular cross section and volumetric specific electric resistance coefficient. A carbo...
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JPH10102626A |
To improve productivity by applying an adhesive to carbon fiber bundles having a particular cross sectional area and a volumetric specific electric resistance coefficient and automatically adhering them at particular intervals on a suppo...
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JPH1097911A |
To prevent contamination of the magnetic powder surface due to a mechanical pulverizing or milling treatment in an org. solvent by wet milling a soft magnetic rough powder material in water to form an oblate powder. A spherical Fe-Si-Al ...
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JPH1097912A |
To complete the hardening reaction of an org. binder in a composite magnetic element composed of a soft magnetic powder and org. binder for a short time by providing an electron beam hardening resin contained in the org. binder. The surf...
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JPH1098321A |
To easily limit and adjust a transmission area, without revision and addition of a function to a radio transmitter itself by fitting an air-core device to a linear or a rod antenna. The radio transmitter 1 is provided with a casing 20 in...
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JPH1097913A |
To provide a compound magnetic body having high real part magnetic permeability by suppressing deterioration of magnetic permeability due to eddy current and further reducing diamagnetic field. This magnetic body 10 is composed of first ...
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