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JP2001160706 |
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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JP2001156487 |
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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JP2001156516 |
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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JP2001156491 |
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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JP2001148596 |
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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JP2001144528 |
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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JP2001144490 |
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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JP2001133495 |
To measure the transmission or reception characteristics of an antenna on a spherical surface. An antenna 90 to be measured is placed on a table 55 that is connected to a motor 53 via a pulley 51 and a timing belt 52. An antenna holder 3...
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JP2001134795 |
To provide an electronic toll collection system preventing a multipath in a tollgate by devising the configuration and structure of the tollgate. In the electronic toll collection system for automatically collecting tolls by performing r...
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JP2001135525 |
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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JP2001135976 |
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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JP2001127387 |
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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JP2001127536 |
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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JP2001127483 |
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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JP2001127482 |
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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JP2001126905 |
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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JP2001119189 |
To provide a composite magnetic unit and an electromagnetic interference suppressor which do not use any of halide binders, such as resins, elastomers, etc., or any of halogenous materials such as halogen-containing bromic flame retarder...
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JP2001119190 |
To provide a composite magnetic unit and an electromagnetic interference suppressor, which specifies the specific surface area of a soft magnetic powder, to express its surface condition and ensures the self-extinguishing property which ...
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JP2001116840 |
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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JP2001119237 |
To obtain a sector beam antenna device having a scattering body which obtain desired wide sector beams. This device has parallel flat plates 1 composed of the combination of two parallelly arranged conductor flat plates 1a and 1b of whic...
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JP2001119236 |
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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JP2001119191 |
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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JP2001111291 |
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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JP2001111287 |
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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JP2001111326 |
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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JP2001111452 |
To provide communication equipment improved in the quality of communication which is for executing power supply to a communication party and communication with the communication party by electromagnetic induction in a non-contact state. ...
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JP2001111288 |
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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JP2001111334 |
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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JP2001110976 |
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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JP2001102788 |
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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JP2001093336 |
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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JP2001094343 |
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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JP2001094342 |
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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JP2001085212 |
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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JP2001085937 |
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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JP2001077584 |
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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JP2001077579 |
To provide a radiowave absorber which can absorb powerful radio waves in the band used for telecasting. A wave absorber 1 is formed by successively laminating an Mn-Zn ferrite mortar layer 3 and an Mn-Zn ferrite mortar layer 4 upon the r...
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JP2001074797 |
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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JP2001077581 |
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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JP2001077585 |
To prevent warping of a board due to heat treatment and spurious radiation and leakage of electromagnetic waves from electronic components or the like by mixing low thermal expansion coefficient particles into a mixture obtained by knead...
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JP2001077582 |
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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JP2001077583 |
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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JP2001068889 |
To obtain an electromagnetic shielding material which is enhanced in electromagnetic wave reflecting by a method wherein a matrix of rubber of plastic where soft magnetic metal powder is dispersed is formed into a sheet which is set high...
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JP2001068926 |
To efficiency mass-produce a radio wave absorber with excellent waterproofness only by simply fixing radio wave absorbing sticks to a frame body by continuously producing the radio wave absorbing stick through drawing molding. A glass fi...
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JP2001069213 |
To assure the reliability of a communication device which contains a communication circuit in a pair of synthetic resin cases combined together by providing the metallic reinforcing walls in parallel to both side wall faces which are ort...
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JP2001068888 |
To obtain an electromagnetic wave absorbing body which is improved in handling by a method wherein an organic binder is softened by heating and furthermore turned into a semi-cured state to thermoset. A sheet-like electromagnetic wave ab...
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JP2001068925 |
To form a narrow communication area even when there is a structure at an upper front part of a road side antenna that is suitable for an automatic toll collection system. The road side antenna system is provided with a road side antenna ...
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JP2001060791 |
To indicate improved electronic wave absorption characteristics using a magnetic material for indicating high permeability at a high-frequency band by coating the surface of a magnetic material with magnetic anisotropy within a surface w...
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JP2001060790 |
To indicate improved electronic wave absorption performance by forming a discoidal magnetic body particle and using a magnetic material for indicating high permeability at a high frequency. By forming a discoidal magnetic body particle 1...
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JP2001060792 |
To obtain an electromagnetic wave absorber with higher low efficiency than ferrite without generating any iron oxides by performing heating oxidation treatment to an alloy particle for forming an electromagnetic wave absorption material ...
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