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JP2001352385A |
To provide a portable telephone that can reduce an electromagnetic energy emitted from the inside of the portable telephone to a head of a human body.The portable telephone 102 has a transmitter 6 that generates a 1st voice signal, a tra...
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JP2001352387A |
To provide a portable telephone that can reduce an electromagnetic energy emitted from the inside of the portable telephone using radio signals with plural frequencies to a head of a human body.The portable telephone 1021 has a printed c...
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JP2001348975A |
To provide an electromagnetic shielding/absorbing board which can reduce multiple reflection of electromagnetic waves without marring electromagnetic reflecting properties.Electromagnetic shielding material-containing gypsum 2 is obtaine...
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JP2001345631A |
To obtain low-cost counter measures in electric wave environment for reflecting secondary reflection waves in a desired direction without affecting a system for applying primary reflection waves from a road surface to a reflection struct...
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JP2001345632A |
To achieve a design that does not cause a sense of incongruity visually and to apply to also the window of a room where comfort is most important when arranging a number of linear antenna elements in branch or cross shape on the glass fi...
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JP2001339235A |
To provide an electronic apparatus which can be made compact and reduce an electromagnetic wave radiated to the outside by absorbing the electromagnetic wave generated by a radiation source.The electronic equipment 10 has an antenna 14 w...
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JP2001339193A |
To provide an electromagnetic wave absorbent excellent in electromagnetic wave absorbing characteristic at a low cost wherein kneading property and moldability are superior when soft magnetic metal powder is kneaded in resin base substan...
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JP2001525056A |
A plastic body, in particular flat element, limits the reflection of high-frequency radiation in HF-shielded areas, such as computer installation sites, HF-shielded rooms or the like, especially for carrying out measurement on high-frequ...
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JP2001524768A |
(57) [Summary] A method for manufacturing a structural material having a low radar reflectance provided with a core material, wherein the core material is preferably a honeycomb core or a substrate, and the structural material is, for ex...
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JP3233240B2 |
PURPOSE: To provide an electromagnetic-shielding double window wherein an electromagnetic-shielding window is made to be a double one and its electromagnetic-shielding performance in a high-frequency band, i.e., a shortwavelength band is...
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JP2001313523A |
To provide a device that reduces the effect of an electromagnetic wave radiation from an antenna of a mobile wireless transmitter.This invention provides the device that reduces the effect of electromagnetic radiation from a mobile phone...
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JP2001313491A |
To provide a one-dimension orientation electromagnetic wave absorbing film with polarization plane dependency and a method for satisfactorily manufacturing this one- dimensional orientation electromagnetic wave absorbing film.In a one-di...
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JP2001313489A |
To manufacture electromagnetic wave absorbing materials of which quality is stable by efficiently arranging electromagnetic wave absorber bodies inside the electromagnetic wave absorbing materials in a mean and proper distributed state.E...
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JP2001313522A |
To provide an electromagnetic wave attenuator for mobile communication, which attenuates a strong electromagnetic wave from a mobile communication terminal so as to minimize hazards by an electromagnetic wave.The electromagnetic wave att...
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JP2001313490A |
To provide granular bonding materials into which electromagnetic wave absorbers are mixed so that a structure whose quality is stable can be manufactured by efficiently arranging the electromagnetic wave absorbers inside in a mean and pr...
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JP2001311105A |
To obtain an electromaganetic wave absorbing material stabled in quality by allocating efficiently dielectiric materials inside an electromagnetic absorbing material in a condition of an averaged and appropriate distribution.A material f...
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JP2001308581A |
To provide a high frequency current suppressor which can be fixed easily to a signal cable being used in earphone, microphone or other electronic apparatus and can attenuate unnecessary high frequency currents to suppress increase in the...
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JP2001308583A |
To produce a highly heat resistant halogen-free electromagnetic wave absorber generating no dioxins through incineration by dispersing powder of a soft magnetic metal into a matrix of rubber in which flame retardance is achieved as requi...
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JP2001297905A |
To provide a magnetic loss material which is excellent in high-frequency magnetic loss for effectively removing high-frequency conduction noises from a highly-integrated electronic circuit of micro scale such as a semiconductor integrate...
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JP2001298518A |
To provide safety by converting and absorbing electromagnetic wave energy by the copper coil of a high conduction rate and reducing the electromagnetic wave hazard of a portable telephone environment. In a reducing device for electromagn...
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JP2001284881A |
To provide an electromagnetic wave shield element and an electromagnetic wave shield using the same which can reliably shield electromagnetic waves. Many electromagnetic shields WS1-WSN are arranged in an window glass 1, and each electro...
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JP2001279102A |
To prepare an electroconductive paste which has the excellent electromagnetic wave shielding property and electroconductivity in spite of small loads of an electroconductive filler. The electroconductive paste is formed by blending an el...
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JP2001274588A |
To provide a thin electric wave absorbing body excellent in electric wave absorbing characteristics. The electric wave absorbing body comprises an electric wave reflector 10 of metal plate, a first electric wave absorbing body part 11 wh...
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JP2001274007A |
To provide a radio absorptive compound with high permeability which is superior in radio wave absortion in a sub-microwave band of 300 MHz to 3 GHz. This compound contains 15-30% (%: atom.%) in total of either or both of Al and Si, 3-15%...
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JP2001274587A |
To provide an electric wave absorbing body which is excellent in electric wave absorbing characteristics at GHz band without changing kind or composition of a loss material while designing for thinner type is easy, wherein frequency band...
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JP3214548B2 |
To provide a lens antenna with a high antenna efficiency, a low side lobe, ease of assembling and high productivity. The lens antenna is made up of a 1st horn 11 made of a metallic conductor, a 2nd horn 12 made of a plastic material with...
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JP2001268190A |
To provide a communication terminal in a narrow internal space of which a radio wave absorbing body to absorb an unnecessary radio wave is efficiently arranged.The radio wave absorbing body is arranged in a case of the communication term...
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JP3212316B2 |
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JP2001257522A |
To reduce the quantity of electromagnetic waves to be absorbed to a human body even in the case of using any radio communication frequency respectively accordance with at least two kinds of radio communication system of different radio c...
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JP2001513953A |
PCT No. PCT/DE97/02789 Sec. 371 Date Mar. 23, 1999 Sec. 102(e) Date Mar. 23, 1999 PCT Filed Nov. 28, 1997 PCT Pub. No. WO98/38697 PCT Pub. Date Sep. 3, 1998The invention relates to a housing (1) with radar-absorbent properties, in partic...
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JP2001230105A |
To provide an electromagnetic wave attenuator which is capable of attenuating electromagnetic waves from electronic equipment and preventing them from leaking out and generating negative ions around the electronic equipment so as to prov...
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JP2001230625A |
To solve a problem that the object frequency of a microwave to be absorbed cannot be controlled by a conventional microwave absorbing method based on cover layers.A plate-shaped plasma 2, generated by a plasma generator, is located in fr...
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JP2001225798A |
To provide a removing device for the harmful electromagnetic waves generated from electronic apparatuses used by passengers in the cabin of a passenger airplane.Electromagnetic wave capturing lead wires 1 are stretched in a lattice shape...
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JP2001223493A |
To provide a radio wave absorbing body excellent in evenness regenerative characteristics and productivity by manufacturing a softmagnetic flat metal of a disc of certain form or oval where a surface is easily, stable, and surely smoothe...
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JP2001223494A |
To provide a microwave absorber, excellent in workability and construction characteristics, which provides excellent microwave absorbing performance in a wide frequency range 1-20 GHz, regardless of less content such as carbon black and ...
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JP2001217114A |
To obtain an anisotropic composite magnetic substance, capable of simply setting desired radio wave absorbing performance by adjusting only the thickness of a composite magnetic sheet, controlling the direction of unwanted electromagneti...
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JP2001217587A |
To provide an electronic wave shielding adhesive sheet which protects a medical equipment such as a pace maker embedded inside the body from malfunctioning caused by external electromagnetic wave and the like.An adhesive layer is formed ...
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JP2001210986A |
To provide a shielding adhesive sheet for electromagnetic waves whereby such a medical appliance mounted in a human body as a cardiopacemaker is protected from malfunctioning due to external electromagnetic waves, etc.A shielding adhesiv...
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JP2001510289A |
A hand-portable telephone including a casing (1), an antenna device (7) with at least one radiating element (7a, 7b) located in said casing, and a protective device for absorbing a substantial part of the electromagnetic energy being rad...
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JP2001203041A |
To provide a connector 2" for connecting a device inside an electromagnetically shield housing 1" with a device outside the housing, when the housing is equipped with an opening part 12 for engaging the connector for attenuating electrom...
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JP2001203491A |
To provide a manufacturing method for a radio wave absorber which easily and surely manufactures a discoidal or oblong metal soft magnetic body flat plate at a low cost. Substantially flat soft magnetic body powder is formed (step S3) wh...
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JP2001196845A |
To provide an antenna and its manufacturing method having an electromagnetic wave cut-off function for reducing the harmful effect of electromagnetic wave to a human body without degrading the performance of the antenna. A groove is form...
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JP2001189212A |
To provide a ferrite material which can be used as radio wave absorbing material in microwave band and is suitable especially for use as a board for indoor interior and is superior in radio wave absorbing in a band of 1-7 GHz. A composit...
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JP2001189590A |
To provide an electromagnetic interference preventive sheet which can effectively prevent or reduce the electromagnetic interference without interfering the operation of a computer, which is a source of electromagnetic waves, in the comp...
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JP2001185892A |
To provide an electric wave absorber that can efficiently absorb various kinds of polarized waves. A multilayered electric wave absorber 10 is composed of first and second electric wave absorption layers 12 and 14, and the orientation di...
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JP2001180395A |
To provide a light sound-proofing material for an automobile that does not damage a sound proofing function, has electromagnetic wave absorbing and isulating functions, and has good absorbance of electromagnetic wave in a wideband from m...
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JP2001177293A |
To provide a frequency selective electromagnetic wave shielding material for making generation of TV ghosts less likely by installing an electromagnetic wave shielding material.This frequency selective electromagnetic wave shielding mate...
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JP2001168606A |
To solve problems that not only productivity falls but also the number of connection parts between transmission lines on different substrates is increased to lower the durability of this device, because the substrate have to be divided i...
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JP2001168575A |
To provide a radio wave absorber, and a method of production, which can absorb radio wave efficiently up to a high frequency band.The radio wave absorber is produced by admixing magnetic particles of soft magnetic metal material to a par...
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JP2001160706A |
To provide mobile object communication equipment capable of sufficiently suppressing the influence of electromagnetic waves on a human body and facilitating the design of the entire mobile object communication equipment.This mobile objec...
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