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Patent Searching and Data


Matches 901 - 950 out of 2,971

Document Document Title
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...  
JPWO2006064782A
The dielectric material of a high dielectric constant and the material are used, and especially, an antenna system useful as a built type antenna system of a cellular phone, a weight saving, slimming down, and a miniaturization are possi...  
JP2006156543A
To provide a method for manufacturing nano complex powder for efficiently absorbing electromagnetic waves at a GHz band in which a utilization range tends to expand following the development of communication equipment by a magnetic mediu...  
JP2006157705A
To provide an electromagnetic wave absorbing member which can be mounted simply to a cellular phone set and which will not hinder the operability of the cellular phone set, even after being mounted.The electromagnetic wave absorbing memb...  
JP3814183B2
To obtain an electromagnetic wave absorbing slope that can produce an electromagnetic wave reflection prevention function. In an electromagnetic wave absorbing and heat generating slope 10, a three-dimensional net 12 in a predetermined t...  
JP3812977B2
To provide a thin inhibitor for electromagnetic interference which can effectively inhibit electromagnetic interference in the microwave band. As the material of an inhibitor for electromagnetic interference, powder 2 of a semi-hard magn...  
JP3783728B1
[Subject] The reflective phenomenon of electromagnetic waves is controlled and generating of a measurement error is prevented. [Solution means] The wave absorber 110 has covered the pipe part 42 and the box part 43 of the probe body 40. ...  
JP2006140298A
To provide an electric wave absorber which shows better electric wave absorbing characteristics than a conventional resonant single layer sheet in broader bands, and is remarkably thinner than a conventional pyramidal electric wave absor...  
JP2006140352A
To provide an electromagnetic wave absorber capable of absorbing the electromagnetic waves of a more extensive wavelength, having little reflection of incident electromagnetic waves and low dependability on the wavelength of electromagne...  
JP2006134907A
To provide a radio wave absorber material which can deal with various GHz band frequencies only by changing the thickness of a sheet without changing a magnetic powder to be used, and to provide a radio wave absorber in which its materia...  
JP2006135031A
To provide a transparent electromagnetic wave absorbing plate for the electromagnetic waves in the frequency range of 1-10 GHz used for portable telephones, wireless LANs, ETCs, etc.The electromagnetic wave absorbing plate is composed of...  
JP2006128312A
To provide a thin, large and inexpensive electromagnetic wave absorber that is effective at an arbitrary incident angle.The electromagnetic wave absorber comprises a reflector layer 10 which is the aggregation of conductive materials, a ...  
JP2006128664A
To provide an electromagnetic wave absorber exhibiting a high peak value of electromagnetic wave absorption and a small shift of the frequency at which the absorption attains a peak value according to the polarization direction of the el...  
JP2006513795A
It is a fastener means for fixing the implant between 椎 (15) to the end plate of a 椎 object (19, 20), A) A holding part (1) including two end sides (4, 5) in which each fastener means (21) stands on a transverse direction to a medial...  
JP2006115330A
To stably read information even when a plurality of readers are adjacently arranged, when an RF-ID is introduced and a unique ID is managed.An antenna installation tool 40 has a casing 43 for housing a flat antenna 35 having a radio wave...  
JP2006097304A
To provide an excellent radio wave absorbing panel which exerts excellent performance of absorbing radio waves from TV radio waves to radio waves for communication systems, is free from degradation of radio wave absorbency, lightweight, ...  
JP2006093416A
To provide an electromagnetic wave noise suppression sheet which has two electromagnetic wave noise suppressing functions including a conduction noise suppressing function and a radiation noise suppressing function and can be made thin a...  
JP2006093413A
To provide an EMC countermeasure member having both a conduction noise suppressing function and a radiation noise suppressing function, and also to provide an EMC countermeasure method using the same.The EMC countermeasure member 1 conta...  
JP3786497B2
To arbitrarily set the directivity of a radio wave in accordance with a purpose by providing a non-conductive radio radiation window becoming a lens for an area facing the antenna element of an air-tight sealing means. The antenna elemen...  
JP3783728B2
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 w...  
JP2006081041A
To provide the joining structure of a radio wave reflector in which the number of parts is small, assembling workability is satisfactory, rigidity against wind pressure and anti-earthquake performance are excellent, side lobe suppression...  
JP2006080414A
To obtain a radio wave absorber having improved radio wave absorption characteristics at a 30 MHz to 50 GHz band.The radio wave absorber is formed by mixing a magnetic body powder 4, a mixture mainly composed of conductive fiber-like pow...  
JP2006073924A
To provide a wave absorber which has reflective attenuation capability enough to prevent communication failure caused by a reflection of electromagnetic wave or the like, is reduced in thickness and weight, and has wideband damping chara...  
JP3772577B2
To widen the band of the microstrip spiral antenna and to prevent its characteristics from degrading by providing a radio wave absorber at the opening of a cavity bottom part that a microstrip tapered balun penetrates. The radio wave abs...  
JP3772187B2
To provide a reliable, thin and lightweight electromagnetic wave absorber exhibiting improved absorbing performance capable of absorbing electromagnetic waves over an extremely wide range. A porous substrate 3 has a number of through-hol...  
JP2006054753A
To provide a cellular phone electronic wave removing apparatus capable of minimizing electronic waves generated from a cellular phone.When a cellular phone is provided with an external antenna, the external antenna is covered with a U-sh...  
JP2006049354A
To solve the matter of a conventional electromagnetic wave absorber that production is serious because different linear antenna elements must be formed on an insulating sheet, i.e. a different antenna pattern must be formed or an insulat...  
JP2006041051A
To provide a small-sized radio wave absorber having superior radio wave absorbing function in a higher frequency range, while maintaining radio wave absorption characteristics in a low frequency range, and to provide a composite radio wa...  
JP3744296B2  
JP2006032929A
To provide an electromagnetic interference inhibitor and a method of reducing electromagnetic interference with the beneficial effect of reducing electromagnetic interference over a wide frequency band.An electromagnetic interference inh...  
JP2006504373A
A system includes a device for focusing electromagnetic waves, and a multiple-beam antenna. The antenna includes: a photonic bandgap material ( 20 ) having at least one band gap, at least one periodicity defect ( 36 ) of the photonic ban...  
JP2006032929A5  
JP3764358B2
To provide a method of evaluating an electromagnetic wave transmission structure which enables the analysis of the electromagnetic condition in a scale of the body of an aircraft, taking electromagnetic wave characteristics of a heteroge...  
JP3764885B2
To provide a mobile type positioning system receiver which enhances an S/N ratio of a radio wave from a positioning system satellite, and keeps high positioning operation performance by a positioning system, in a positioning system recei...  
JP2006013901A
To provide an antenna with directivity, and at the same time, improve shield effect.An antenna 106 for external radio communication is installed in a circuit board 104 which is mounted in a 1st cabinet part 101, and at the same time, cir...  
JP3756791B2
To easily and adequately realize a circular polarization radio reflective attenuator for suppressing the reflection of circular polarization radio waves. The method of designing a circular polarization radio reflective attenuator (radio ...  
JP2006005365A
To provide a magnetic shielding sheet for a tag that can concentrate a magnetic field and make a try pass without causing the loss of magnetic energy, and to provide a tag that uses it.A magnetic shield sheet 10 is composed of a shieldin...  
JP2006005765A
To provide a means capable of avoiding the problem caising when a radio wave obstacle exists in a straight line path for transmission and reception of radio wave signals and suppressing or preventing the occurrence of interference.This r...  
JP2005347524A
To reduce the influence on the evaluation of temperature characteristics caused by an electromagnetic wave radiated or received from an object to be tested, by making it possible to constantly hold the ambient temperature of the object t...  
JP2005538629A
[Subject] [Solution means] book invention relates to the periodic electromagnetic structure (20) for the use over the frequency of the comparatively big range. Especially the present invention relates to application of the microwave [lik...  
JP2005340730A
To provide a radio-wave absorbing body wherein it has a light weight and a low cost, and its good radio-wave absorbing characteristic beginning from a low frequency is obtained in spite of its short length, and further, it has no charact...  
JP2005340318A
To provide an electromagnetic wave absorber which has a high electromagnetic wave absorbing property with respect to unwanted electromagnetic waves in a microwave band and can be easily given a three-dimensional profile and has excellent...  
JP2005331512A
To easily and appropriately evaluate a circular-polarized radio wave reflection attenuator for reducing radio wave reflection of a circular-polarized wave.This evaluation method for a circular-polarized radio wave reflection attenuator i...  
JP2005333125A
To provide a radio wave absorber and its manufacturing method, which can absorb radio wave in a wide band, and which is lightweight, has flame retardance, and is durable in outdoor use.A radio wave absorbing layer 3 is comprised of a com...  
JP2005323380A
To provide a simple configuration which restrains unwanted electric waves, without major changes in the characteristics caused by the incident direction or the polarization status of the electric waves.Electric wave attenuating object 40...  
JP2005317825A
To provide an electromagnetic wave absorber having an excellent electromagnetic wave absorbing characteristic.The electromagnetic wave absorber comprises a boron carbide powder having an electrical conductivity of not less than 5×10-6 (...  
JP2005317945A
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 has cross-shaped holes 30 and square holes 31. Square holes...  

Matches 901 - 950 out of 2,971