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JPH11163622A |
To reduce the outermost diameter of a spiral antenna without changing the lower working frequency limit of the antenna by connecting a radio wave reflection suppressing member to the end point of a conductor line. Extension lines 1e and ...
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JP2903165B2 |
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JPH11150393A |
To obtain a transparent radio wave absorber which can absorb and reflect radio wave intensively by substantially equalizing the radio wave impedance viewed from the high resistance side and the radio wave impedance in free space. A radio...
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JP2894325B2 |
A structure (100) for shielding an electronic circuit (220) from radio waves is characterized by that the shield case (300) is formed therein with a cavity which is open in one side (310), that a first electrically conductive layer (330)...
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JPH11126992A |
To provide an electromagnetic wave shielded building which allows only desired selected electromagnetic waves to pass through the building. A part of a conductive member provided, related to an electromagnetic wave shielded building for ...
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JPH11121964A |
To avoid leaking of electromagnetic waves from a portable telephone by forming a space by compositing a synthetic resin for housing the telephone on one side of an Al foil, and forming a printed or colored layer on the surface thereof. T...
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JP2885594B2 |
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JPH11112189A |
To improve comfort in use in addition to an electromagnetic inhibition function, by providing an aromatic function to a compound magnetic material in the interference inhibitor of electromagnetic noises using the compound magnetic body c...
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JPH11112229A |
To provide a composite magnetic body that is placed in a narrow case, adopted even for a part receiving a heavy load, and is applicable to an electromagnetic interference suppression body with flame resistance, to provide its manufacture...
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JPH11112185A |
To increase the amount of transmission attenuation by fitting a noise absorption core to a cable, by covering the noise absorption core and the cable by a conductor from the surface of the noise absorption core, and by fixing the noise a...
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JP2883497B2 |
PURPOSE: To resolve radio wave faults by canceling reradiated radio waves from power lines with simple structure by canceling the reradiated radio waves from the conductors of transmission lines with the phase difference of reradiated ra...
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JPH11103189A |
To provide a conductive seal which prevents matter from migrating, shuts off the electromagnetic waves of an electronic module housed in a conductive housing, effectively seals a narrow space at low cost, is high in elasticity, and is ma...
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JPH1197246A |
To easily provide a method for fixing a noise-absorbing core to a cable, for lighter weight and smaller size. A noise-absorbing core main body 3 and a lid part 4 of soft magnetic powder and organic binder of rubber hardness 60 or less ar...
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JPH1187977A |
To provide an electrical circuit constitution arranged in a casing, which does not require individual shieldings. A sealed circuit carrier 1 is provided with large-area layers 3 and 4 for absorbing electrical fluctuations on both surface...
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JPH1187980A |
To obtain a composite magnetic sheet by making a magnetic powder and an organic binder, which can be fixed to a desired part of an electronic part or apparatus by adding a shape-memory resin to the organic binder. This composite magnetic...
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JPH1187976A |
To obtain a cable guide having an electromagnetic wave absorbing function in addition to ordinary cable guide function, without requiring tubular core or a special electromagnetic wave absorbing unit by substantially constitution the cab...
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JPH1187978A |
To provide ratio wave absorber of low cost which has satisfactory radio wave absorbing power over a wide frequency band and is superior in sound-absorbing power, incombustibility and design property. This radio wave absorber comprises an...
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JPH1187979A |
To provide a method of manufacturing a cylindrical electromagnetic interference restraining body, which has a function of a cylindrical tube or sleeve and an electromagnetic wave absorbing functionality, without installing a cylindrical ...
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JPH1188042A |
To reduce the influence by a multi-path by arranging a radio wave absorbing body in an area where a radio wave except for a desired radiated radio wave in the periphery of a directive antenna is radiated. In a communication equipment 101...
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JP2874118B2 |
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JPH1174676A |
To provide a noise absorption core wherein high frequency noise suppressing effect is obtained by increasing high frequency inductance. A pair of half cores 1 and 2 are provided wherein soft magnetic powder and organic binder are contain...
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JPH1174680A |
To provide a shield box wherein, without using expensive wave absorber, changes in electric field intensity against a distance between both antennas is reduced as much as possible for precision measurement of several characteristics of a...
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JPH1174675A |
To realize improvement in the magnetic efficiency, by fitting with a gap closing member made of soft magnetic powder and an organic binder having a rubber hardness lower than the rubber hardness of a split core body, and causing the core...
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JPH1174677A |
To realize improvement in the magnetic efficiency, by providing a slit for cable insertion along the longitudinal direction from an inner peripheral, surface to an outer peripheral surface of a composite magnetic material body made of so...
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JP2869564B2 |
What is disclosed is a wave absorber comprising an electromagnetic wave absorbing framework having a plurality of cells arranged to define arbitrary shape of U-shaped hollow spaces adapted to the wavelength of the electromagnetic wave to...
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JPH1168378A |
To enable an electromagnetic interference suppressor to be easily mounted on a complicate part, by a method wherein the electromagnetic interference suppressor is mounted on a required part, covered with a heat-shrinkable sheet, sleeve o...
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JPH1167300A |
To prevent the unnecessary radiation or leakage of an electromagnetic wave in a terminal board for connecting a cable to a PC board used in electronic equipment or to a device by constituting an insulator with a composite magnetic body c...
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JPH1168374A |
To provide a wall-like body, a panel and a blind used to shield a space from electromagnetic waves of a specific frequency band, in which the shielding performance and bandwidth are remarkably improved. Two FSS(Frequency Selective Surfac...
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JP2865505B2 |
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JP2867268B2 |
PURPOSE:To obtain the superconducting material capable of passing only a signal in the specified frequency band among the signals having various frequencies by adjusting the ratio of the (c) axis orientation of the crystal grain in the o...
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JPH1154981A |
To form an electromagnetic wave absorber which readily uses good characteristics of a dielectric and a ferroelectric, by providing a resistance film to a surface of a dielectric whose rear is shortcircuited by a metal. An electromagnetic...
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JPH1154985A |
To prevent unnecessary radiation and leakage of electromagnetic wave from an electronic device and an electronic component, by restraining electromagnetic interference by applying or filling the paste to an electromagnetic wave radiation...
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JPH1150040A |
To provide a granular radiational material having increased effective radiation, in other words, increased efficiency of electromagnetic wave length conversion and an electromagnetic wave length conversion resin that can be readily produ...
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JPH1141009A |
To provide a low cost waveguide type attenuator and its manufacturing method by which deterioration or microwave characteristics is prevented and an optional attenuation is obtained and to realize its manufacture. A prescribed amount of ...
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JPH1140972A |
To provide a method for mounting an electromagnetic interference suppressor at low cost, that attains ease of mount/dismount with a high electromagnetic interruption suppressing effect. An electromagnetic interference suppressor 3 is wou...
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JPH1131201A |
To prevent any unnecessary card data from being read from the back face side of an antenna, and to make this device compact and lightweight by shielding the radiation of an electromagnetic wave to the back face side of an antenna in a si...
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JPH1126982A |
To enable easily filling gaps between magnetic material tiles for radio wave absorption which are arranged adjacently to each other, with a magnetic seal agent composed of magnetic powder and binder, by making the magnetic seal agent per...
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JPH118489A |
To enable a radio wave absorbent to be used on the frequency band of microwaves by a method, wherein the radio wave absorbent is specified in volume resistivity measured on a direct current and controlled so as to set a ratio P/R at a pr...
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JPH114095A |
To shut off both the electrical and magnetic fields of electromagnetic waves by a method wherein a thin and long plate-like electromagnetic shielding member is so mounted on a part of the inner side of a synthetic resin cylindrical cap w...
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JPH114116A |
To provide a micro-wave antenna which is extremely efficient with a drastically small amount of radiation energy of wide angle power which is provided with short shading length. This duplex reflector micro-wave antenna is provided with a...
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JP2840096B2 |
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JPH10335132A |
To make it possible to use a wide high frequency zone by one composition by a method wherein the composition is formed by BaO, ferrous oxide and CoO of specific quantity, and the ratio of the M-type structure phase shown by Ba-Fe-O and t...
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JPH10319353A |
To lessen the adverse influence that electromagnetic waves exert on the head, etc., by shielding the electromagnetic waves generated at the time of using electronic apparatus, etc. Conductive coating materials 11 having an electromagneti...
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JPH10322080A |
To provide a wave absorber which can be constituted at a low cost without using any special material nor complicated manufacturing process. A wave absorber 1 is manufactured by uniformly mixing conductive members, for example, conductive...
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JPH10317535A |
To provide a durable wave absorbing wall which does not require any complicated process and is free from any variation in wave absorbing characteristics due to a displacement of magnetic substances (ferrite formed bodies) in the directio...
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JPH10313188A |
To provide a case for mobile phone capable of more effectively shielding electromagnetic waves harmful for people. An antenna cover 1 made by an electromagnetic-shielding cloth is sewed together a brim of the hole formed on a carrying ca...
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JPH10313189A |
To provide an implement having electromagnetic shielding function and ornamentation and capable of shielding harmful electromagnetic wave generated from a mobile phone. An electromagnetic shielding cylinder 2 made by the electromagnetic ...
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JPH10512407A |
An improved antenna for a portable radio communication device including a first elongate electrically conductive member (10) having opposed first and second ends, the first end adapted to be mounted in electrical communication to a radio...
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JP2826038B2 |
A microwave absorber in a pointed shape, comprising a phenol resin foam containing a dielectric loss material, is prepared by setting a incombustible sheet container 2 of the same shape in a mold having a pointed shape, pouring the pheno...
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JP2585413Y2 |
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