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Matches 1,051 - 1,100 out of 2,723

Document Document Title
JP2008211422A
To provide a noise suppression sheet evaluation device and a noise suppression sheet evaluation method capable of evaluating a conducted noise suppression effect and radiated noise suppression effect in an identical device and evaluating...  
JPWO2006103761A1
The signal processing circuit board 2 is equipped with a signal processing circuit that detects and processes radio waves received by the radar 1 using a threshold value. The housing 3 has an electrical opening 33 at a position correspon...  
JP2008205447A
To provide a radio wave absorber which has high radio wave absorbing performance regardless of the incident direction of radio wave, so that it can preferably applied to radio communication system having high flexibility in a service are...  
JP4144754B2
An electromagnetic wave absorber comprises a first electromagnetic wave absorbent member containing a magnetic loss material, and a second electromagnetic wave absorbent member containing a conducting material arranged to front of the fi...  
JP4113202B2  
JP4113812B2
A radio wave absorber is provided which can be produced at a low cost compared to the case of using silicon carbide fiber and which is also superior in radio wave absorption property in 76 GHz band (75-77 GHz frequency band). The radio w...  
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...  
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...  
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...  
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  
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  
JP2008500935A
Glass or glass-ceramic powder including a multicomponent glass containing at least three elements and has a mean particle size of 1 micron, preferably 10 nm (nanoparticles). An independent claim is included for preparation of the materia...  
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 invention relates to a method and a system for giving a substance (101) receptive and/or transmissive properties that allow the substance (101) to be treated by and/or to transmit a signal acquired by intercepting an electromagnetic ...  
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 ...  
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  
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
An electromagnetic-wave absorbing method using a solar cell or cells is provided, whereby there comes about essentially no reflection of electromagnetic waves by the solar cell or cells without impeding solar light power generation there...  
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  
JP4004096B2  
JP2007288765A
To provide an electromagnetic wave absorber for protecting human bodies from electromagnetic waves. The electromagnetic wave absorber 1 and an electromagnetic wave absorbing complex, are formed integrally by including an electromagnetic ...  
JP3983404B2
A gate such as a tollgate in an expressway for vehicles equipped with an object detection system is disclosed, by which an erroneous operation of the mounted object detection apparatus can be prevented and through which the vehicles equi...  
JP2007243283A
To provide an antenna pattern control method which flexibly controls an antenna pattern. In the antenna pattern control method, a radio wave absorbing body 3 is arranged in a direction of suppressing an antenna gain in the vicinity of an...  
JP2007232407A
To suppress the reflection of a radio beam at a reflecting member in a situation in which the reflecting member capable of reflecting the radio beam in an unpredictable direction is arranged within a transmission range of the radio beam ...  
JP2007221288A
To provide an antenna system compatible with a plurality of multi-bands or the like for easily attaining revision and setting of a plurality of wireless communication frequencies. The antenna system includes a parasitic element (14) comp...  
JP3960255B2
To adequately control directivity to obtain the maximum gain of a radio wave radiated from an antenna device in the desired direction. In the integrated mobile antenna device 1, an antenna element 5 for VICS is mounted in a location devi...  
JP2007201055A
To provide an electromagnetic wave shield system and the like capable of changing a frequency band of electromagnetic waves which is to be shielded, with no replacement of an electromagnetic wave shield itself. The electromagnetic wave s...  
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...  
JP2007180289A
To provide an electromagnetic wave absorber capable of highly absorbing useless electromagnetic wave concerning the electromagnetic wave absorber for absorbing the useless electromagnetic wave of an electronic appliance.The electromagnet...  
JP2007180114A
To provide a frequency selective shielding type electromagnetic wave shielding material in which transparency (visible) and productivity in manufacture can be improved.In the frequency selective shielding type electromagnetic wave shield...  
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...  
JP2007166115A
To provide an antenna device wherein excellent isolation can be attained between a transmission antenna and a reception antenna.The antenna device is provided with the transmission antenna 101 being a first antenna element and the recept...  

Matches 1,051 - 1,100 out of 2,723