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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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JP2001156516A |
To provide a direction guide device for a microwave that can decrease an adverse effect on a human body without giving any effect on communication quality.The direction guide device for a microwave is provided with an antenna ANT100, a m...
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JP2001156487A |
To provide an electromagnetic wave absorber having superior absorption extending over a wide frequency band that copes with miniaturization and weight reduction.An electromagnetic wave absorbing layer comprising a composite wherein at le...
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JP2001156491A |
To obtain an electromagnetic shield of high effect against high frequencies with a simple constitution.This shielding member against high frequencies is constituted by forming a metal film on a dielectric material. The metal film thickne...
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JP2001148596A |
To provide a thin radio wave absorber in which the absorption frequency can be controlled arbitrarily. The radio wave absorber comprises a thin magnetic film 6 in which spin wave resonance is induced upon impingement of radio wave.
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JP2001144490A |
To provide an electromagnetic wave absorber in which electromagnetic-weave absorbing performance is maintained extending over the long term, and a method for manufacturing the absorber wherein it is manufactured simply in a short time. A...
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JP2001144528A |
To provide a low radio wave reflector whose mechanical strength can be enhanced without losing a radio wave reflection reduction effect of a foaming material. A heat shrinkable tube 12 covers a formed foaming material 11 and heat equival...
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JP2001135525A |
To provide a noise measure component which can be provided without increasing components to be packaged on a substrate, namely, without enlarging the substrate and is capable of providing high noise removing operation in a high frequency...
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JP2001135976A |
To provide a wave absorber having a thin thickness and a light weight. A wave absorber is composed of a packing material 6, a polarizer 7 provided on the front face of the material 6, and a radio wave reflecting body 8 provided on the ba...
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JP2001126905A |
To obtain a thin-plate material which has sufficient electromagnetic wave absorptivity and is collectively formed integrally by dispersively mixing ferrite of low cost into a matrix and molding its mixture. A thin-plate material having e...
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JP2001127483A |
To provide a non-combustible electric-wave absorber of high moldability and execution characteristics that is assembled with ease and has a component member where a non-combustible material is easily made compound. Using a plurality of n...
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JP2001127482A |
To provide a light and non-combustible molded object absorbing electric waves of superior durability, which has superior wave-absorbing characteristics over a wide frequency band, at a low cost. A molded object absorbing electric wave is...
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JP2001127387A |
To provide a printed-wiring board for inexpensively, easily, and greatly suppressing the radiation of electromagnetic waves from a power supply system without changing the structure of a substrate itself. A printed-wiring board 10 is pro...
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JP2001127536A |
To interrupt received radio waves (different in frequency from each other) and to erase video and audio. This electric device of a rotary or fixed type that is shaped spherically or in other shape, has a space in its inside which is equi...
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JP2001119236A |
To provide an electromagnetic shield film which shows excellent electromagnetic shielding and visible light transparency and also realizes low cost. In this electromagnetic shield film 6 consisting of a shield function film 11 obtained b...
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JP2001119191A |
To provide an electromagnetic wave countermeasure panel capable of absorbing electromagnetic waves. This electromagnetic wave countermeasure panel 1 comprises an electromagnetic absorber 2 for absorbing electromagnetic wave E. The absorb...
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JP2001116840A |
To provide information about traveling of a vehicle, for example, information such as stop, deceleration and warning, to promote safety travel. In this radar system wherein a radar 1 emitting a radio wave is mounted on the vehicle 7 trav...
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JP2001111288A |
To provide an electronic device such car navigation system and portable telephone, in which a noise electromagnetic waves can be prevented from radiating from the inside of the device to the outside, when a device (CPU) which generates e...
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JP2001110976A |
To solve the problem that a high-frequency circuit cannot be downsized with a technique wherein an electronic wave absorbing body is attached to a cover, because such a technique causes the height of a case to increase due to the thick e...
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JP2001111291A |
To provide a transparent radio wave absorber by which reflection of radio wave can be suppressed and moreover which has transparent nature and realizes low-cost. This transparent radio wave absorber 20 is provided with a third sheet 21 w...
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JP2001111287A |
To provide a method for mounting a sheer-like electromagnetic interference restraining body which needs no large mounting space and has effective characteristics. This method for mounting an electromagnetic interference restraining body,...
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JP2001111326A |
To provide an antenna device dealing with portable telephone set and short distance radio communication which is small in occupancy volume and weight, stable in characteristics and large in specific frequency band width. A non-parallel a...
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JP2001111334A |
To provide a method for working a transparent radio absorber for making it unnecessary to sharply change a manufacture line, and for flexibly providing transparent radio absorbers of which characteristics are different. This method is pr...
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JP2001102788A |
To provide a thin, light, wide-band, and low-priced electromagnetic wave absorbing sheet which solves the points, in which a conventional electromagnetic absorbing sheet is used along with a metal foil which being thick, heavy, and not e...
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JP2001093336A |
To provide a transparent conductive film superior in antistatic, electromagnetic shielding and bonding performances in use for a front plate or an antistatic mat on a cathode ray tube or a plasma display and capable of grounding. A trans...
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JP2001094342A |
To provide a radio wave absorbing board for efficiently absorbing a radio wave by fitting it to the transmission steel tower of the television radio wave and the wall of a building. A radio wave absorber 7 is laminated on a metallic refl...
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JP2001094343A |
To provide a steel tower with radio wave absorbing board, which can efficiently absorb a radio wave, by fitting the radio absorbing board to the tower. A radio absorbing board 1 where a radio absorber is laminated on a metallic reflectio...
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JP2001085937A |
To obtain a radio wave absorbing wall while fixing strength of an outer packing members and a ferrite magnetic bodies is improved. Ferrite magnetic bodies 3 are placed in a building material having reinforcing members such as reinforcing...
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JP2001085212A |
To obtain a composite magnetic body which is improved in flame retardant properties and furthermore shortened in a kindling time after self- extinguishment, by a method wherein a flame retardant material is completely or partially formed...
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JP2001077584A |
To provide a matched millimeter radio wave absorber which is less affected by a chip of adhesion and does not deteriorate in durability even when used outdoors. An absorption layer 1 is formed by dispersing and blending a less amount of ...
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JP2001077583A |
To facilitate manufacturing of electromagnetic wave absorbing sheets for 60 GHz band by mixing microcoil-like carbon fibers of a specific length in a sheet of dielectric loss material and controlling the quantity of the mixed carbon fibe...
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JP2001077581A |
To provide a radiowave absorber having superior wave absorptive power to a board wave band used for telecasting. A wave absorber is constituted by successively laminating a Mg-Zn ferrite mortar layer 3 formed by mixing an Mg-Zn ferrite w...
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JP2001077582A |
To provide a radiowave absorber which can absorb powerful waves in all wave bands in the VHF or UHF band used for telecasting. A wave absorber is constituted by successively forming an Mg-Zn ferrite mortar layer 3 and an Mn-Zn ferrite mo...
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JP2001074797A |
To provide a portable radio wave measuring instrument which can measure unnecessary radiation power over a wide frequency range with a simple small-sized structure. An absorbing material 11 is stuck to the internal surface of a closed me...
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