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Patent Searching and Data


Matches 801 - 850 out of 1,636

Document Document Title
JP2001345631
To obtain low-cost counter measures in electric wave environment for reflecting secondary reflection waves in a desired direction without affecting a system for applying primary reflection waves from a road surface to a reflection struct...  
JP2001339235
To provide an electronic apparatus which can be made compact and reduce an electromagnetic wave radiated to the outside by absorbing the electromagnetic wave generated by a radiation source.The electronic equipment 10 has an antenna 14 w...  
JP2001339191
To provide radio wave absorbent wherein connection between absorbents and grounding are unnecessary, workability is superior, communication line performance deterioration of a radio apparatus and leakage of information which are to be ca...  
JP2001339193
To provide an electromagnetic wave absorbent excellent in electromagnetic wave absorbing characteristic at a low cost wherein kneading property and moldability are superior when soft magnetic metal powder is kneaded in resin base substan...  
JP3252974
PURPOSE: To reduce cost required for the manufacture and make it suitable for miniaturizing a device by continuously changing the distributive concentration of powdery electromagnetic wave absorbing materials formed on an insulator subst...  
JP2001322194
To provide an electric wave absorber showing high electric wave absorption performance and a method for applying an interior trimming material.The electric wave absorber 10 has at least a first layer 14 and a second layer 16 which contai...  
JP2001320190
To provide an electromagnetic-wave absorbing material and its manufacturing method wherein its electromagnetic-wave absorbing ability is large and its absorbing performance for absorbing an electromagnetic wave projected on its incidence...  
JP2001313489
To manufacture electromagnetic wave absorbing materials of which quality is stable by efficiently arranging electromagnetic wave absorber bodies inside the electromagnetic wave absorbing materials in a mean and proper distributed state.E...  
JP2001313490
To provide granular bonding materials into which electromagnetic wave absorbers are mixed so that a structure whose quality is stable can be manufactured by efficiently arranging the electromagnetic wave absorbers inside in a mean and pr...  
JP2001313522
To provide an electromagnetic wave attenuator for mobile communication, which attenuates a strong electromagnetic wave from a mobile communication terminal so as to minimize hazards by an electromagnetic wave.The electromagnetic wave att...  
JP2001313523
To provide a device that reduces the effect of an electromagnetic wave radiation from an antenna of a mobile wireless transmitter.This invention provides the device that reduces the effect of electromagnetic radiation from a mobile phone...  
JP2001313491
To provide a one-dimension orientation electromagnetic wave absorbing film with polarization plane dependency and a method for satisfactorily manufacturing this one- dimensional orientation electromagnetic wave absorbing film.In a one-di...  
JP2001311105
To obtain an electromaganetic wave absorbing material stabled in quality by allocating efficiently dielectiric materials inside an electromagnetic absorbing material in a condition of an averaged and appropriate distribution.A material f...  
JP2001308581
To provide a high frequency current suppressor which can be fixed easily to a signal cable being used in earphone, microphone or other electronic apparatus and can attenuate unnecessary high frequency currents to suppress increase in the...  
JP2001308583
To produce a highly heat resistant halogen-free electromagnetic wave absorber generating no dioxins through incineration by dispersing powder of a soft magnetic metal into a matrix of rubber in which flame retardance is achieved as requi...  
JP2001308584
To provide a radio wave absorber matched to a frequency band of several hundreds of MHz to several tens of GHz in which flexibility and good kneadability, dispersibility and moldability are satisfied while keeping good reflection attenua...  
JP2001308629
To provide a loop antenna device capable of securing a radiation field from the loop antenna device coils, even when disposed in the vicinity of an electric conductor.An electromagnetic wave absorptive sheet 14 is disposed as an electrom...  
JP2001297905
To provide a magnetic loss material which is excellent in high-frequency magnetic loss for effectively removing high-frequency conduction noises from a highly-integrated electronic circuit of micro scale such as a semiconductor integrate...  
JP2001298518
To provide safety by converting and absorbing electromagnetic wave energy by the copper coil of a high conduction rate and reducing the electromagnetic wave hazard of a portable telephone environment. In a reducing device for electromagn...  
JP3243789
To provide a radio absorbent panel whose radio absorbency is excellent and which is suitable for an opening part in a building whose panel thickness is thin. A radio absorbent panel is provided with an insulating substrate 2 which forms ...  
JP2001294752
To provide an electromagnetic wave-absorbing, thermally conductive silicone rubber composition which gives a heat dissipation sheet and the like having a remarkable noise attenuation effect and thermal conductivity and can prevent malfun...  
JP2001284881
To provide an electromagnetic wave shield element and an electromagnetic wave shield using the same which can reliably shield electromagnetic waves. Many electromagnetic shields WS1-WSN are arranged in an window glass 1, and each electro...  
JP2001279102
To prepare an electroconductive paste which has the excellent electromagnetic wave shielding property and electroconductivity in spite of small loads of an electroconductive filler. The electroconductive paste is formed by blending an el...  
JP2001274588
To provide a thin electric wave absorbing body excellent in electric wave absorbing characteristics. The electric wave absorbing body comprises an electric wave reflector 10 of metal plate, a first electric wave absorbing body part 11 wh...  
JP2001274007
To provide a radio absorptive compound with high permeability which is superior in radio wave absortion in a sub-microwave band of 300 MHz to 3 GHz. This compound contains 15-30% (%: atom.%) in total of either or both of Al and Si, 3-15%...  
JP2001274587
To provide an electric wave absorbing body which is excellent in electric wave absorbing characteristics at GHz band without changing kind or composition of a loss material while designing for thinner type is easy, wherein frequency band...  
JP2001268190
To provide a communication terminal in a narrow internal space of which a radio wave absorbing body to absorb an unnecessary radio wave is efficiently arranged.The radio wave absorbing body is arranged in a case of the communication term...  
JP2001257522
To reduce the quantity of electromagnetic waves to be absorbed to a human body even in the case of using any radio communication frequency respectively accordance with at least two kinds of radio communication system of different radio c...  
JP3233240
PURPOSE: To provide an electromagnetic-shielding double window wherein an electromagnetic-shielding window is made to be a double one and its electromagnetic-shielding performance in a high-frequency band, i.e., a shortwavelength band is...  
JP2001230625
To solve a problem that the object frequency of a microwave to be absorbed cannot be controlled by a conventional microwave absorbing method based on cover layers.A plate-shaped plasma 2, generated by a plasma generator, is located in fr...  
JP2001230105
To provide an electromagnetic wave attenuator which is capable of attenuating electromagnetic waves from electronic equipment and preventing them from leaking out and generating negative ions around the electronic equipment so as to prov...  
JP2001225798
To provide a removing device for the harmful electromagnetic waves generated from electronic apparatuses used by passengers in the cabin of a passenger airplane.Electromagnetic wave capturing lead wires 1 are stretched in a lattice shape...  
JP2001223493
To provide a radio wave absorbing body excellent in evenness regenerative characteristics and productivity by manufacturing a softmagnetic flat metal of a disc of certain form or oval where a surface is easily, stable, and surely smoothe...  
JP2001223494
To provide a microwave absorber, excellent in workability and construction characteristics, which provides excellent microwave absorbing performance in a wide frequency range 1-20 GHz, regardless of less content such as carbon black and ...  
JP2001217645
To prevent an automatic toll collection system from malfunctioning by suppressing unwanted radio waves, generated in a two-way communication between an on-road antenna and an on-vehicle antenna.A toll gate 1 is provided with a gate 2, an...  
JP2001217114
To obtain an anisotropic composite magnetic substance, capable of simply setting desired radio wave absorbing performance by adjusting only the thickness of a composite magnetic sheet, controlling the direction of unwanted electromagneti...  
JP2001217587
To provide an electronic wave shielding adhesive sheet which protects a medical equipment such as a pace maker embedded inside the body from malfunctioning caused by external electromagnetic wave and the like.An adhesive layer is formed ...  
JP2001210986
To provide a shielding adhesive sheet for electromagnetic waves whereby such a medical appliance mounted in a human body as a cardiopacemaker is protected from malfunctioning due to external electromagnetic waves, etc.A shielding adhesiv...  
JP2001203528
To obtain an array antenna system consisting of a logarithmic period dipole array antenna, a phase shifter and a feeding circuit that can suppress deterioration in an element array pattern due to unbalanced currents on the logarithmic pe...  
JP2001203491
To provide a manufacturing method for a radio wave absorber which easily and surely manufactures a discoidal or oblong metal soft magnetic body flat plate at a low cost. Substantially flat soft magnetic body powder is formed (step S3) wh...  
JP2001203041
To provide a connector 2" for connecting a device inside an electromagnetically shield housing 1" with a device outside the housing, when the housing is equipped with an opening part 12 for engaging the connector for attenuating electrom...  
JP3214548
To provide a lens antenna with a high antenna efficiency, a low side lobe, ease of assembling and high productivity. The lens antenna is made up of a 1st horn 11 made of a metallic conductor, a 2nd horn 12 made of a plastic material with...  
JP2001196845
To provide an antenna and its manufacturing method having an electromagnetic wave cut-off function for reducing the harmful effect of electromagnetic wave to a human body without degrading the performance of the antenna. A groove is form...  
JP2001189212
To provide a ferrite material which can be used as radio wave absorbing material in microwave band and is suitable especially for use as a board for indoor interior and is superior in radio wave absorbing in a band of 1-7 GHz. A composit...  
JP2001189590
To provide an electromagnetic interference preventive sheet which can effectively prevent or reduce the electromagnetic interference without interfering the operation of a computer, which is a source of electromagnetic waves, in the comp...  
JP2001185892
To provide an electric wave absorber that can efficiently absorb various kinds of polarized waves. A multilayered electric wave absorber 10 is composed of first and second electric wave absorption layers 12 and 14, and the orientation di...  
JP2001180395
To provide a light sound-proofing material for an automobile that does not damage a sound proofing function, has electromagnetic wave absorbing and isulating functions, and has good absorbance of electromagnetic wave in a wideband from m...  
JP2001177293
To provide a frequency selective electromagnetic wave shielding material for making generation of TV ghosts less likely by installing an electromagnetic wave shielding material.This frequency selective electromagnetic wave shielding mate...  
JP2001177346
To stabilize output frequency, without disturbing miniaturization of a surface mount type crystal oscillator and to enhance the latitude of designing a wiring pattern.Circuit components 9 of an oscillation circuit 2 and a buffer amplifie...  
JP2001168606
To solve problems that not only productivity falls but also the number of connection parts between transmission lines on different substrates is increased to lower the durability of this device, because the substrate have to be divided i...  

Matches 801 - 850 out of 1,636