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JP2001044749A |
To provide a device for suppressing an electromagnetic wave noise that can easily and effectively suppress the electromagnetic wave noise and to provide a method for suppressing an electromagnetic wave noise. The electromagnetic wave noi...
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JP2001044747A |
To keep a communication distance constant without being affected presence/absence of a reflected wave from a metal placed close to an installed place of a loop antenna and to adjust the communication distance within a predetermined range...
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JP2001044750A |
To provide a transparent radio wave absorbing body that realizes reduction in weight and cost and flexibly copes with a change in an absorbed frequency. The transparent radio wave absorbing body is provided with a layered body 16 consist...
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JP2001044687A |
To obtain a non-halogen, highly fire retardant, and highly flexible wave absorber which can effectively absorb submillimeter to millimeter radio waves. A wave absorber for submillimeter to millimeter radio waves uses the set-up material ...
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JP2001036318A |
To reduce electromagnetic radiation intensity of a portable telephone in a direction of a user head part and to reduce damages to the head part by having an electromagnetic wave absorption part absorb the electromagnetic wave in the dire...
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JP2001032150A |
To obtain a material for always wearable clothes excellent in touch feeling without causing dermatopathy (allergy) or the like, wearable as underwear and excellent in electromagnetic wave shielding performances. This electromagnetic wave...
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JP2001028494A |
To provide an electromagnetic wave absorber having essential performances therefor, the fire-resistance of V0 level for UL94 fire-resistance standard, excellent stability in dimension against temperature change, and no substantial shift ...
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JP2001028491A |
To provide an electromagnetic wave absorbing body comprising the powder of soft magnetic material dispersed in a polymer with high performance even at a high temperature for absorbing electromagnetic wave at 120-130°C being kept by at l...
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JP2001028493A |
To increase bending strength and the transverse rupture strength resistance of Young's modulus, and to improve electromagnetic wave absorption performance by composing an electromagnetic wave absorber by the matrix phase of calcium silic...
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JP2001024381A |
To provide an electronic wave absorbing body for improving electromagnetic wave absorbing performance and at the same time for reducing cost.A plurality of electronic wave absorbing plate bodies 1 in a triangular plate shape are mounted ...
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JP2001024425A |
To surely operate the reading of an IC card within the detection range of a reading device, and also reduce the leakage of unnecessary electromagnetic waves to the outside of the detection range in a non-contact IC card system using a lo...
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JP2001015980A |
To improve the absorption characteristic of an electromagnetic-wave absorber over a wide frequency band by forming the absorber, by laminating a plurality of electromagnetic-wave absorbing layers having different frequency absorption cha...
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JP2001015981A |
To obtain a method for manufacturing a cured wave absorber which is constituted by laminating a plurality of layers composed of alternately laminated ferrite-based magnetic layers and carbon-based dielectric layers upon a carbon layer, w...
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JP2001016020A |
To readily make the structure small-sized and low-priced, to transmit a high-frequency signal and to prevent unwanted radiation of the high-frequency signal, and to electrically connect an antenna and a printed board together.Signal patt...
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JP2001007623A |
To provide a built-in antenna system for a mobile phone that copes with a dual band with a wide frequency bandwidth and a wide directivity characteristic and has a small occupied capacity and stable characteristic and shape.The antenna o...
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JP2001007635A |
To provide a method and a device for correcting a radio wave absorbing body with which the radio wave absorbing performance in matching with a design frequency can be set with high accuracy.A radio wave, swept from a signal generator 2 w...
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JP2001007586A |
To enhance electromagnetic wave shielding effect with as higher electromagnetic wave shielding effect at broad frequency bands, provide an electromagnetic wave absorption effect and enhance near-net shape property by forming from a casti...
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JP2001007634A |
To prevent a machine from becoming incapable of operation and abnormal in its control system due to radio wave interference by adhering a film sheet, having a radio wave absorbing characteristic or a radio wave reflection characteristic ...
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JP2001006872A |
To provide a method for preventing the variation of the quality of a member by further improving a method for heating the member formed of a microwave absorptive plastic.This heating device is used for heating members 8, 8' formed of a m...
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JP2001003264A |
To obtain a magnetic wave-insulating three-dimensional structural body having a large degree of freedom in designing and applicable to a complicated steric shape by using a metal-coated yarn or an electroconductive fiber yarn in at least...
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JP2000357934A |
To provide an energy absorbing device for electromagnetic interference(EMI) in an electric circuit of the intake gas flow meter of an internal combustion engine, having at least one electric element showing an antenna characteristics in ...
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JP2000353610A |
To provide a method by which a radio wave absorber having a thin three-dimensional shape and nearly fixed magnetic permeability can be manufactured at a low cost.In a method for manufacturing a radio wave absorber, a molded body is forme...
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JP2000351170A |
To provide a transparent conductive laminate excellent in transparency and conductivity and hard to undergo deterioration in antistatic capacity, electromagnetic wave shielding capacity and electric heating capacity even under a high tem...
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JP2000349542A |
To obtain an electromagnetic filter that shields only an electromagnetic wave with a specific frequency received through a wall face and a window glass plate or the like of a building or a vehicle or the like.In the electromagnetic wave ...
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JP2000349490A |
To obtain a material or body which has an excellent electromagnetic wave absorbing effect even in the high frequency band not lower than a specific frequency, by making the electromagnetic wave absorbing material include therein a waste ...
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JP2000349541A |
To provide an electromagnetic filter that shields an electromagnetic wave with a specific frequency received through a wall face and a window glass plate or the like of a building or a vehicle or the like independently of a plane of pola...
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JP2000349539A |
To secure mechanical strength and to satisfy radio wave absorbing characteristic by forming a part of plural layers of the radio wave absorber of a flat plate type as a low ratio dielectric constant material layer and arranging this betw...
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JP2000340982A |
To practically suppress an electromagnetic wave resonance in an high electromagnetic wave shield chamber which is applicable even if a strong magnetic field is present, by providing a film or board wherein a material having a magnetic lo...
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JP2000341031A |
To provide a three-dimensional periodic structure that can easily be manufactured at a low cost and controls an electromagnetic wave with a desired wavelength and to provide its manufacturing method.A two-dimensional basic structure cons...
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JP2000341029A |
To provide a receiver that is suitably applied to a GPS receiver, effectively suppresses the effect of an electromagnetic wave noise with a simple configuration, attains miniaturization much more and relieves trouble and labor of manufac...
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JP2000341032A |
To make an electronic component thinner and shorter and to make wiring finer, and to lower the price, to save resources and to clear environmental problems at the same time by forming a conductive pattern on a base having many pores and ...
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JP2000341030A |
To reduce a grating lobe of a waveguide array antenna system.Placing many slot antenna elements in a waveguide forms a transmission or reception waveguide array antenna system. Radio wave reflectors 103 two of which have each antenna ele...
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JP2000332534A |
To provide the construction machine, equipped with an economical radio device which can securely transmit video signals from a construction machine moving frequently for operation and a construction machine operating in a slanting place ...
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JP2000315906A |
To provide an absorbing/losing/shielding body for an incoherent wave to exclude an electromagnetic wave that is harmful to human bodies and electric/ electronic circuits. The absorbing/losing/shielding body for an incoherent wave is form...
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JP2000311821A |
To obtain an electromagnetic wave attenuating sheet, which absorbs and attenuates electromagnetic waves generated from electromagnetic wave sources such as circuits in electronics and can be mounted, irrespective of the shape of circuits...
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JP2000307286A |
To reduce an irregularity in conductivity and obtain a stable value in a radio wave absorbing body by forming a carbon layer on the surface of a holder containing a substance having layer crystal structure by weight of a specified range....
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JP2000307336A |
To improve mutual radio wave interference between fixed stations without devising a radar itself by installing a disc on a radio wave propagation path while adhering a radio wave absorber having a diameter almost corresponding to that of...
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JP2000299590A |
To provide a radio wave absorbing material, exhibiting high heat resistance and flame resistance which is lightweight and can be easily processed and formed. A silica glass fiber cloth is manufactured by treating a commercially available...
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JP2000299591A |
To provide a radio wave absorbing material, exhibiting high heat resistance and flame resistance which is lightweight and can be easily processed and formed. A cloth is manufactured by weaving 1% of carbon fibers in weight into a commerc...
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JP2000514168A |
An article comprising a non-conductive substrate, preferably of an environmentally degradeable character, having a thickness of an oxidizable metal coating thereon, and optionally an oxidation enhancingly effective amount of a salt, e.g....
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JP3100896B2 |
A ballistic (radiator) grill for special-, e.g. armoured vehicles has parallel protective slats (22) in various profiles, which are novel in consisting of a kinetic energy absorbing core (14) partially or completely surrounded by an oute...
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JP2000292470A |
To accurately measure antenna's reception capability of various communication devices with simple measuring equipment for a reduced measurement cost, and to accurately measure the reception performance of an antenna itself separately fro...
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JP2000293655A |
To surely identify an article by suppressing the absorption of radio waves transmitted from a transmission coil for making an operating distance relatively long, and preventing the deterioration of the L values of reception and transmiss...
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JP3097343B2 |
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JP2000275289A |
To restrain the reduction of the ratio of signal to noise(S/N) due to the reflecting wave from the inner face of a vacuum vessel by covering the inner face of the vacuum vessel in which a microwave detecting element is arranged with a re...
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JP2000269734A |
To reduce multipaths in indoor radio communication by providing a radio wave reflecting suppressor at a reflective spot based on geometrical optics where a radio wave to be transmitted and received between a base station and a terminal s...
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JP2000261180A |
To improve absorbing efficiency of a radio wave without increasing the thickness in a radio wave absorber having stack structure provided with a matching layer for easily absorbing the radio wave from the outer air, an absorbing layer fo...
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JP2000261241A |
To realize low costs and high quality by forming one face of a spacer at a radio wave reflecting film, and the other face at a resistance film. A radio wave reflecting film 22 and a resistance film 23 are held in a prescribed distance wi...
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JP2000261182A |
To provide a light radio wave absorber which uses the equivalent resistance coat of a large area and whose manufacture cost can be suppressed to be low and to provide a radio wave absorbing wall using the radio wave absorber. In an equiv...
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JP2000261240A |
To obtain a radio wave absorber, which is thinner than a conventional pyramid type, for a relatively wide band where the frequency range is limited. With respect to the radio wave absorber consisting of absorbents 11 to 16 and a conducto...
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