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Patent Searching and Data


Matches 801 - 850 out of 2,941

Document Document Title
JP2007124638A
To improve a transmission environment in communicating using an antenna element of electromagnetic field near a conductive member.A sheet body 10 has a shield layer 13. The shield layer 13 can recover an input impedance of the electromag...  
JP2007115854A
To provide an electromagnetic wave absorber useful for GHz band consisting of a compound body of low manufacturing cost and high excipient property, which uses the loss material of large electromagnetic wave absorption and is added by a ...  
JP2007115768A
To provide a radio wave absorption and acoustic absorption panel which can achieve a balance between acoustic absorption performance and radio wave absorption performance with both performances kept high, is made thinner in the overall t...  
JP3949292B2
To obtain an antenna capable of exhibiting its characteristics, without depending on the plane of polarization of incoming radio waves by substantially constituting the antenna from a substrate which is made of a net equipped with parasi...  
JP2007101445A
To provide an electronic equipment inspection method for accurately inspecting inspection electronic equipment, by accurately relatively comparing normal electronic equipment with the inspection electronic equipment, and to provide an el...  
JP2007509591A
The method for manufacturing a dielectric substrate (400) with the texture for a high frequency circuit. This method may contain the step (104) which chooses two or more dielectric substrate materials. Each of this dielectric substrate m...  
JP2007095830A
To provide an electromagnetic wave absorber which efficiently absorbs electromagnetic waves over a broad band.A first conductive element 12 in a first conductive element layer 5 continuously extends along a plane which is crossed with an...  
JP2007096014A
To provide a radio wave absorber which is excellent in radio wave absorber performance, lightweight properties, and kinetic properties, and can be molded to a complicated shape at a low cost.In the manufacturing method of a radio wave ab...  
JP3940188B2
To provide a method by which a composite magnetic material having an excellent magnetic characteristic and a high mechanical strength can be manufactured. In a method for manufacturing a composite magnetic material composed of substantia...  
JP2007088388A
To provide a thermoforming electromagnetic wave absorption material that is easy to form and process, and has a high electromagnetic wave absorption capability after being formed even if it is a thin layer.After having attached thermopla...  
JP2007088316A
To provide highly insulative magnetic powder suitable for an electric wave absorber for which a soft magnetic ferroalloy is used.The magnetic powder is composed of complex grains made by bonding ferrite grains 2 having an average grain d...  
JP3935190B2
To attain both improvement in antenna radiation efficiency and its miniaturization. A magnetic mamber is interposed between an antenna element and a printed wiring board, and an air layer or a dielectric layer is interposed between the a...  
JP2007074662A
To provide a millimeter wave radar system which improves detection precision, is made thin and lightweight and improves weather resistance not only by cutting off unwanted radio waves transmitted/received toward an antenna but also by sh...  
JP2007073045A
To provide an IC module built-in seal capable of adding a function of a non-contact IC module newly added to an object which is not equipped with the function of the non-contact IC module.The IC module built-in seal is provided with at l...  
JP2007073773A
To provide a low-cost and high-performance light transmissive wave absorber which exhibits a high radio shielding property, high transparency and visibility, high air permeability, and the like, and can be used as a wave shield wall betw...  
JP2007073662A
To provide a wave absorber with reflective attenuation capability capable of preventing a communication failure caused by reflection of electromagnetic waves and the like, thinning, reducing weight and also possessing the characteristics...  
JP3929092B2
To prevent malfunction due to radiated noise in a device and prevent leakage of elector-magnetic waves to the outside, by constituting at least a part of a case and a screen frame using a composite magnetic material comprising soft magne...  
JP2007067363A
To provide a composition that has superior compatibility of a binder component with an expanded graphite powder and is suitable for the application of radio wave absorption sheet, a radio absorption sheet that is of large electric wave i...  
JP2007067395A
To obtain a radio wave absorber which can achieve low cost, a small transportation volume, an excellent radio wave absorbing characteristic from a low frequency to a high frequency with a short length, a small or no difference in the cha...  
JP2007067766A
To provide a wave absorber by which identification wave of a vehicle passing through one lane is prevented from reaching an ETC system of another lane when lanes for ETC systems, provided for toll booths of a tollway are adjacent to each...  
JP3927689B2
To enable restraining enlargement of radiating fins when power of a microwave communication apparatus is increased, and excluding use of expensive components when the apparatus is constituted. A microwave communication apparatus is provi...  
JP3925835B2
To provide an electromagnetic-wave absorber whose electromagnetic- wave absorption characteristic in a high frequency region at 1 GHz or more is superior, to provide its manufacturing method and to provide various applications using it. ...  
JP2007057483A
To provide a millimeter wave radar device that reduces side lobe transmitted from an antenna, prevents occurrence of load clutter, efficiently transmits only electric wave to be used as main lobe to an object, and accurately detects rela...  
JP3922039B2
To provide an electromagnetic wave absorption material having superior electromagnetic wave absorption characteristics which can be easily manufactured and used in regions from submillimeter to millimeter waves, and to provide various us...  
JP3923460B2
To suppress the radiation of leakage radio waves in an antenna device used to a radar or radio communication by solving the problem that a conventional antenna device is disabled to sufficiently suppress leakage radio waves that are radi...  
JP2007504643A
A high-impedance substrate including a first layer made of insulating material, having a lower face and an upper face, the substrate including conductor patterns mechanically linked to the substrate. Some of the conductor patterns mechan...  
JP3919100B2
To provide a mobile communication terminal which makes a non-contact coil antenna improved in communication performance small in size and thin in thickness compatibly as a whole. The mobile communication terminal 1 such as a mobile phone...  
JP2007036081A
To provide a microwave-absorbing film structure absorbing electromagnetic waves by an offset and the film structure by the offset characteristics of the phase of waves, and a manufacturing method for the microwave-absorbing film structur...  
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 ...  

Matches 801 - 850 out of 2,941