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Patent Searching and Data


Matches 901 - 950 out of 3,015

Document Document Title
JP2007036154A
To provide an electromagnetic wave absorber useful as an object for GHz bands which exerts electromagnetic wave absorbability without damaging characteristics of a matrix, has high excipient characteristics and comprises a compound mater...  
JP2007027668A
To provide a radio wave shield using a foamed product obtained by adding conductive particles such as carbon powder and metallic power to an inorganic filler to be a main component as a base material, excellent in non-combustibility, non...  
JP2007020091A
To provide a converter for receiving a plurality of satellites being capable of receiving even a signal from another satellite having a different receiving polarized-wave angle when mutual spaces among the satellites are reduced comparat...  
JP2007019287A
To provide a lightweight dielectric loss material exhibiting an excellent electromagnetic wave absorption characteristic having a wide absorption frequency band in a high frequency band, and an electromagnetic wave absorber using it.This...  
JP2007012775A
To provide an electromagnetic wave absorber where a material which contains aggregate using slag in which steel manufacturing dust is redissolved as a raw material is used, and an S21 parameter value becomes -4 to -20 dB at a frequency b...  
JP2007004810A
To provide a simply structured RF tag reading apparatus which can contain in its container multiple articles each with an RF tag installed and enhance reading efficiency of the RF tag by a single operation of reading.An article container...  
JP2006351693A
To provide an electromagnetic wave absorption plate and an electromagnetic wave absorber capable of reducing a manufacturing cost and also an installation cost, and effectively utilizing waste ferrite materials and waste synthetic resin ...  
JP3894688B2
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. ...  
JP3892154B2
To provide a plane antenna device more hardly being affected by multipath by sufficiently suppressing sensitivity to incident waves from the rear face side of a ground plane. A ground plane 5 is provided around the plane antenna 10 and a...  
JP2006340394A
To provide a mobile communication terminal in which communication performance can be improved between a non-contact coil antenna for IC card interface and a non-contact coil antenna for reader/writer, and entire small-sizing of the whole...  
JP2006335537A
To provide a conveyed object control device preventing surrounding radio waves from interfering with a scanner reading information on an electronic tag attached to a conveyed object.This conveyed object control device is provided with th...  
JP2006336416A
To provide an electromagnetic wave absorbing building material made of a conventional plaster building material, displaying stable electromagnetic wave absorption performance in a plurality of frequency bands, and manufactured at lower c...  
JP2006339592A
To provide a low-cost electromagnetic wave absorbing building material in which electromagnetic wave absorbing performance for preventing communication failure is exhibited in a plurality of specified frequency bands by using an existing...  
JP2006333026A
To provide an antenna assembly in which an RFID tag can irradiate fully operable radio waves, while enhancing success probability of communication with the RFID tag, without affecting the surrounding system.As shown on Fig. 2(A), a cargo...  
JP3852619B2  
JP2006319468A
To prevent a measurement error from occurring by suppressing the reflection phenomenon of an electromagnetic wave.A radio wave absorber 110 covers the pipe portion 42 and the box portion 43 of a probe main body 40. The electromagnetic wa...  
JP2006314016A
To provide a radio wave absorbing structural body, having a simple structure and capable of adjusting the range of radio waves that are radiated from an antenna.The radio wave absorbing structural body is provided with the antenna 1 for ...  
JP3877196B2
To provide an antenna which is attached onto a wall surface, a window, etc., of a building, a vehicle, etc., and has a function to shield or enhance an electromagnetic wave of a specific frequency regardless of the polarized surface of t...  
JP2006310353A
To provide a durable radio wave absorber where the surface resistivity of a resistive film is nearly fixed for a long term, and initially satisfactory radio wave absorption performance can be maintained for a long term.In the radio wave ...  
JP2006303555A
To provide a radio wave absorber which can be fixed to a concrete wall face in order to absorb unnecessary radio waves generated around an electronic toll collection system (ETC) on a highway with high attenuation even at a narrow incide...  
JP2006304080A
To provide an electronic circuit capable of improving an antenna Q value by magnetically separating an antenna and a metal case body for the purpose of installing the antenna inside the metal case body, and to provide an electronic circu...  
JPWO2006112468A
Real number ingredient mu' of amplitude permeability in transmitting belt frequency of electronic equipment 10 by which it is attached is ten or more, and tandelta (=mu"/mu') is 0.1 or less, and, as for electromagnetic wave measure part ...  
JP2006294718A
To provide a radio wave absorber which shows a superior absorption property with respect to both TE waves and TM waves even if they are incident aslant, and also to provide a radio frequency anechoic chamber using the same.The radio wave...  
JP3869985B2
To develop an absorber capable of enhancing uniformity of adherence of carbon and upgrading radio wave absorbing characteristics by utilizing a silica alumina fiber and a method for manufacturing it. The method for manufacturing a radio ...  
JP3869147B2
To provide an electromagnetic wave absorbing sheet at a low cost with excellent electromagnetic wave absorbing capability of 10 dB (70% attenuation) or over at a frequency band including frequencies of mainly 3 GHz (desirably 1 GHz) or o...  
JPWO2005018049A1
反射鏡アンテナ装置は、一次放射器3が開口 部から放射する電波を受けて、当該電波を反 射する副反射鏡1と、副反射鏡1が反射する 当該電波を受けて、当該電波を空間に放...  
JP2006270350A
To enable a reader to accurately specify the target ID transmitted from an ID transmission means provided to an inspection target.The shield device is provided with a shield material 5a and a device ID transmission means 6 formed to the ...  
JPWO2006103761A
Signal-processing circuit board 2 carries a signal-processing circuit which carries out detection processing of the electric wave received by radar 1 using a threshold. Case 3 has electric opening 33 in a position corresponding to radar ...  
JP2006257762A
To provide a radio wave and sound absorbing panel with high performance by making compatible sound absorbing performance with radio wave absorbing performance.This radio wave and sound absorbing panel is formed in a laminated structure c...  
JP2006522511A
[Subject] While shielding the electromagnetic radiation line from the electronic unit which has a transmitter, there are a light weight, small size, and reliability, and the shield equipment which can be easily attached after the design ...  
JP2006245472A
To provide an electromagnetic wave absorber which is excellent in an electromagnetic absorption property, is light in weight, and is good in productivity.The electromagnetic wave absorber contains a boron solid-solution carbon black and ...  
JP2006246034A
To provide an antenna hoisting/lowering device capable of alleviating reflection to the attaching side of an antenna for measuring an electromagnetic wave from a unit under test at the side of a support, and stabilizing the attaching pos...  
JP2006245166A
To provide a radio wave absorber used for shielding or absorbing electromagnetic waves, especially at a frequency band of around 5.8 GHz.Flat magnetic metal powder of 70-100 pts.wt. is blended with respect to resin binder of 100 pts.wt. ...  
JP3849786B2
To provide an electromagnetic wave absorber having excellent electromagnetic wave absorption characteristics. The electromagnetic wave absorber comprises boron carbide powder whose conductivity is not less than 5×10-6(S/cm). The electro...  
JP2006233457A
To provide a radio shielding body which can selectively shield two kinds of radio waves with different frequencies by a high shield factor.A plurality of first antennas 4 for each reflecting the radio wave with first frequencies, and a p...  
JP2006237345A
To provide a radio wave absorber which has a reflection attenuation capability enough to prevent a communication fault caused by electromagnetic wave reflection or the like, can be made thin and lightweight, and has a wide-band attenuati...  
JP3844317B2
To realize improvement in the magnetic efficiency, by joining a pair of half split cores made of soft magnetic powder and a specified organic binder, and causing the joined pair of cores to surround the outer peripheral portion of a cabl...  
JP3809474B2
A radio telephone, preferably intended for cellular telecommunication, has an apparatus housing (20) and at least one antenna (21), which is mounted to or in connection with the apparatus housing for performing the wireless communication...  
JP3839971B2
To prevent mechanical properties from being thermally affected greatly and to improve heat resistance, aging resistance, and oil resistance properties by including a soft magnetic material powder and a bonding agent and further including...  
JP2006210703A
To provide a device for reducing a disturbance electromagnetic wave wherein reduction effect of jamming electromagnetic wave can be obtained in a wide range.The device is constituted of a conductive plate 1 constituted of a conductive ma...  
JP2006211004A
To provide an incombustible and translucent radio wave absorber exhibiting radio wave absorption characteristics of 15 dB or above (more preferably 20 dB or above) for radio waves having frequencies of 2.45 GHz and 5.2 GHz for indoor wir...  
JP2006192875A
To provide an electric wave absorber which can be manufactured without positive addition of a carbon source and to provide its manufacturing method.The electric wave absorber is obtained by laminating a dielectric layer made of a ceramic...  
JP2006184130A
To prevent multiple reflections from occurring, when using an in-car radar device which has the need to detect an object in a short-distance area ranging from several tens of centimeters to several tens of meters, wherein the refected wa...  
JP2006186725A
To provide a transparent electromagnetic wave absorbing board with respect to electromagnetic wave within the frequency range of 1 to 10 GHz, which can be used for a partition for a room or road, etc., or for the window of a building, et...  
JP3823942B2
To obtain a compact antenna assembly which prevents reflection from the end of a helical antenna element to provide a desired radiation pattern. The antenna assembly comprises a helical antenna for radiating circularly polarized radio wa...  
JP3823293B2
To provide a broadband antenna, having a tapered slot antenna structure capable of easily changing the polarized wave faces and making the body small, when it is formed in an array form. Each tapered part 6 of a plurality of tapered slot...  
JP2006179671A
To provide a radio wave absorber which has enough reflection damping ability for preventing communication jamming such as by reflection of an electromagnetic wave, can be made thin and lightweight, and has a damping characteristic in a w...  
JP2006179901A
To provide an electromagnetic wave absorbing sheet having excellent permeability at high frequencies.An electromagnetic wave absorbing sheet 1 comprises a soft magnetic layer 10 having an insulating film on its surface and formed so as t...  
JP2006174230A
To provide portable electronic equipment in which electromagnetic waves for transmitting and receiving information have a less effect on a human body.There is provided the portable electronic equipment for transmitting and receiving info...  
JPWO2004084602A1
無機質長繊維をカール形状に積層した多孔質 構造体における繊維および繊維間隔を利用し て電磁波損失材料を担持させた電磁波吸収材 であって、電磁波入射表面は、その凹凸...  

Matches 901 - 950 out of 3,015