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Matches 801 - 850 out of 3,013

Document Document Title
JP2008530937A
Mobile communications apparatus (1, 10) is equipped with the cover element which gives electromagnetic cover or attenuation between the first domain (A) in the inside and/or the exterior of a communication facility (1, 10), and the secon...  
JP2008177242A
To provide an electric wave absorber whose strength is improved sufficiently.The electric wave absorber 10 has an absorbing characteristic larger than 18 dB and a matching thickness smaller than 8 mm in a frequency band of 30 to 400 MHz,...  
JPWO2005105398A1
塗布型磁性木材、含浸型磁性木材、粉体型磁 性木材、積層型磁性木材のいずれかからなり 、木質材の表面構造又は内部構造を変えるこ とによって磁気吸着機能と電波吸収機能...  
JP4113202B2  
JP4113812B2  
JP4108677B2  
JP2008141566A
To provide a transmitting antenna by which information other than a desired object is not read out by limiting the propagation region of radio waves.A pair of vertical radiowave absorbing side walls 2 and 3 which control the directionali...  
JPWO2006064782A1
高誘電率の誘電性素材、該素材を利用し、特 に携帯電話機の内蔵型アンテナ装置として有 用なアンテナ装置、軽量化、薄型化、小型化 が可能でアンテナ放射効率も向上した携...  
JP2008135485A
To provide a radio wave absorber that can obtain absorption effect at a target frequency, without being affected by the precision of the thickness of a dielectric or the incident angle of radio waves, and to provide its manufacturing met...  
JP4098788B2  
JP2008131489A
To obtain a communication module in which the number of components can be less reduced and assembly man-hour can be reduced.The communication module comprises a circuit board 2 on which a circuit element 5 is mounted, and a cover 3 confi...  
JP2008124155A
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.The radio wave abs...  
JP2008109220A
To provide an antenna device which is made compact.The antenna device 100 includes: a dielectric substrate 120; a conductive layer 140 formed by providing a plurality of spiral slots 144 (146, 148) to a flat plate type conductive member ...  
JP2008103691A
To provide a magnetic substance striped array sheet which has a needlelike magnetic substance excellently arrayed in a predetermined striped pattern, and also has high magnetic permeability and is thin and rich in flexibility.A water-rep...  
JP2008103849A
To provide a frequency selective surface which has a plurality of antennas disposed on the same plane crossing an incident direction of a radio wave, the frequency selective surface being capable of providing transmission/attenuation qua...  
JPWO2005069712A1
対向する天然木材又は加工木質材からなる板 材を、フェライト粉末を含む磁性層を介して 圧着した積層型磁性木材において、フェライ ト粉末に対して体積比で20〜80%の非磁...  
JP4073933B2  
JP2008510368A
The present invention uses metallization termination techniques to reduce the electro-magnetic field scattering at the edges of metallized areas. The metallization termination techniques provide a gradual transition from high conductivit...  
JP2008078835A
To provide an explosion-proof radio antenna capable of effective radio communication.The explosion-proof antenna provided on an explosion-proof equipment body comprises: an antenna mounting hole provided in a circumferential surface of t...  
JP2008509633A
The present invention uses a high impedance layer (160) alternatively, in order to reduce the electromagnetic wave dispersion effect in a metal discontinuous part. This high impedance layer can be manufactured for an electrostatic discha...  
JP4066392B2  
JP4065578B2  
JP2008066585A
To provide a radio-wave absorber in which drawbacks of prior arts are eliminated, and which can be used in noise test equipment such as radio-wave anechoic chambers, radio-wave black boxes or the like by mounting the absorber on ferrite ...  
JP4064798B2  
JP2008061003A
To enable an antenna for reader 15 provided on an antenna formation object member 5, such as a shelf board of a bookstand, or the like, in order to communicate with an electronic tag attached to the front cover side, back cover side or s...  
JP2008054113A
To enable a thinned battery lid with an antenna being mounted on the battery lid in a mobile electronic device, and to enable a thinned device case as a result.In a mobile electronic device having a battery lid 8 attached to a battery st...  
JP2008047594A
To provide a radio wave absorber that is provided with a radio wave absorbing layer for absorbing entering waves and a radio wave reflection layer that is arranged on the rear side of the radio wave absorbing layer, and reflects the wave...  
JP2008047839A
To provide a device for reducing disturbance electromagnetic waves wherein reduction effect of electromagnetic waves can be obtained in a wide range, with a relatively small spiral structure.The device for reducing disturbance electromag...  
JP4052787B2  
JP2008034823A
To provide a cabinet for an electronic device and a method of manufacturing the same whereby the radio communication performance is not degraded while keeping the interruption to radio waves, a high strength is obtained on a joint, and h...  
JP2008032692A
To provide an electromagnetic wave measuring device capable of reproducibly installing a transmitting body for transmitting electromagnetic wave and a receiving body for receiving the electromagnetic wave at a predetermined interval at p...  
JP4046900B2  
JP4044273B2  
JP2008021991A
To provide a magnetic sheet which can be produced simply and efficiently using a soft magnetic powder and which is capable of decreasing influences of communication-interrupting members such as metals present nearby to entail wireless co...  
JP2008500935A
[Subject] The subject of the present invention should offer the multi-ingredient glass in which the activity improved as compared with multi-ingredient glass powder, especially the conventional glass powder is shown. Furthermore, the pro...  
JP2008010523A
To provide a portable terminal device wherein antenna performance and electromagnetic shield performance can be established at the same time.In the portable terminal device 1, an electromagnetic shield case 7 is divided into a first case...  
JP2008500894A
The present invention relates to the method and system for receptive and/or giving the transparent characteristic which are processed by the substance (101) with the signal acquired when a substance (101) intercepts the electromagnetic f...  
JP2008004951A
To provide an electromagnetic wave absorption material that is thin, lightweight, and soft, and is excellent in workability while exhibiting a high electromagnetic absorbing performance, and to provide an electromagnetic absorption metho...  
JP2007335680A
To provide a light radio wave absorber which is superior in processability, and has highly efficient radio wave absorbing property without dispersion in a frequency band of 1 to 10 GHz. The radio wave absorber in the frequency band of 1 ...  
JP2007336356A
To provide a radio wave directivity controller for enabling a general user to easily control the directivity of an antenna in accordance with the use state of electronic equipment in a radio LAN. The radio wave directivity controller 1 i...  
JP2007329422A
To simplify the wiring of a bias circuit for supplying a bias voltage or a bias current to circuit elements of respective unit cells constituting an electromagnetic field sensitive functional material. In the electromagnetic field sensit...  
JP2007318758A
To provide an electromagnetic wave radiated from a regular antenna with a chemical polarity. An electromagnetic wave is polarized chemically as radiated from an antenna positioned in parallel to a cross section in an asymmetric electroma...  
JP4018847B2  
JP2007535180A
An electromagnetic interference shield generally includes a resilient core member and an electrically conductive layer. An adhesive bonds the electrically conductive layer to the resilient core member. The adhesive can include halogen-fr...  
JP4014217B2
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...  
JP2007306287A
To provide a mobile phone which is enabled to stably communicate by suppressing mutual interference between an antenna for mobile phone communication and an antenna for RFID, decreased in number of components and assembly man-hour, and i...  
JP4009893B2  
JPWO2005027611A1
従来技術や新規技術によっても実現していな い3次元フタクタル構造体を提供するために 、本発明のフラクタル構造体は、一部または 全部に立体的なフラクタル構造を有する...  
JP2007300585A
To provide an antenna capable of preventing the occurrence of false image without impairing a transmitting/receiving function. A coating layer made of a radio wave absorber 12 is provided all over the surface of a metallic element 11 of ...  
JP4006064B2  

Matches 801 - 850 out of 3,013